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5042 stop using deprecated atomic functions
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--- old/usr/src/cmd/mdb/common/modules/genunix/genunix.c
+++ new/usr/src/cmd/mdb/common/modules/genunix/genunix.c
1 1 /*
2 2 * CDDL HEADER START
3 3 *
4 4 * The contents of this file are subject to the terms of the
5 5 * Common Development and Distribution License (the "License").
6 6 * You may not use this file except in compliance with the License.
7 7 *
8 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 9 * or http://www.opensolaris.org/os/licensing.
10 10 * See the License for the specific language governing permissions
11 11 * and limitations under the License.
12 12 *
13 13 * When distributing Covered Code, include this CDDL HEADER in each
14 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 15 * If applicable, add the following below this CDDL HEADER, with the
16 16 * fields enclosed by brackets "[]" replaced with your own identifying
17 17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 18 *
19 19 * CDDL HEADER END
20 20 */
21 21 /*
22 22 * Copyright 2011 Nexenta Systems, Inc. All rights reserved.
23 23 * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
24 24 * Copyright (c) 2013 Joyent, Inc. All rights reserved.
25 25 * Copyright (c) 2013 by Delphix. All rights reserved.
26 26 */
27 27
28 28 #include <mdb/mdb_param.h>
29 29 #include <mdb/mdb_modapi.h>
30 30 #include <mdb/mdb_ks.h>
31 31 #include <mdb/mdb_ctf.h>
32 32
33 33 #include <sys/types.h>
34 34 #include <sys/thread.h>
35 35 #include <sys/session.h>
36 36 #include <sys/user.h>
37 37 #include <sys/proc.h>
38 38 #include <sys/var.h>
39 39 #include <sys/t_lock.h>
40 40 #include <sys/callo.h>
41 41 #include <sys/priocntl.h>
42 42 #include <sys/class.h>
43 43 #include <sys/regset.h>
44 44 #include <sys/stack.h>
45 45 #include <sys/cpuvar.h>
46 46 #include <sys/vnode.h>
47 47 #include <sys/vfs.h>
48 48 #include <sys/flock_impl.h>
49 49 #include <sys/kmem_impl.h>
50 50 #include <sys/vmem_impl.h>
51 51 #include <sys/kstat.h>
52 52 #include <sys/dditypes.h>
53 53 #include <sys/ddi_impldefs.h>
54 54 #include <sys/sysmacros.h>
55 55 #include <sys/sysconf.h>
56 56 #include <sys/task.h>
57 57 #include <sys/project.h>
58 58 #include <sys/errorq_impl.h>
59 59 #include <sys/cred_impl.h>
60 60 #include <sys/zone.h>
61 61 #include <sys/panic.h>
62 62 #include <regex.h>
63 63 #include <sys/port_impl.h>
64 64
65 65 #include "avl.h"
66 66 #include "bio.h"
67 67 #include "bitset.h"
68 68 #include "combined.h"
69 69 #include "contract.h"
70 70 #include "cpupart_mdb.h"
71 71 #include "cred.h"
72 72 #include "ctxop.h"
73 73 #include "cyclic.h"
74 74 #include "damap.h"
75 75 #include "ddi_periodic.h"
76 76 #include "devinfo.h"
77 77 #include "findstack.h"
78 78 #include "fm.h"
79 79 #include "gcore.h"
80 80 #include "group.h"
81 81 #include "irm.h"
82 82 #include "kgrep.h"
83 83 #include "kmem.h"
84 84 #include "ldi.h"
85 85 #include "leaky.h"
86 86 #include "lgrp.h"
87 87 #include "list.h"
88 88 #include "log.h"
89 89 #include "mdi.h"
90 90 #include "memory.h"
91 91 #include "mmd.h"
92 92 #include "modhash.h"
93 93 #include "ndievents.h"
94 94 #include "net.h"
95 95 #include "netstack.h"
96 96 #include "nvpair.h"
97 97 #include "pg.h"
98 98 #include "rctl.h"
99 99 #include "sobj.h"
100 100 #include "streams.h"
101 101 #include "sysevent.h"
102 102 #include "taskq.h"
103 103 #include "thread.h"
104 104 #include "tsd.h"
105 105 #include "tsol.h"
106 106 #include "typegraph.h"
107 107 #include "vfs.h"
108 108 #include "zone.h"
109 109 #include "hotplug.h"
110 110
111 111 /*
112 112 * Surely this is defined somewhere...
113 113 */
114 114 #define NINTR 16
115 115
116 116 #define KILOS 10
117 117 #define MEGS 20
118 118 #define GIGS 30
119 119
120 120 #ifndef STACK_BIAS
121 121 #define STACK_BIAS 0
122 122 #endif
123 123
124 124 static char
125 125 pstat2ch(uchar_t state)
126 126 {
127 127 switch (state) {
128 128 case SSLEEP: return ('S');
129 129 case SRUN: return ('R');
130 130 case SZOMB: return ('Z');
131 131 case SIDL: return ('I');
132 132 case SONPROC: return ('O');
133 133 case SSTOP: return ('T');
134 134 case SWAIT: return ('W');
135 135 default: return ('?');
136 136 }
137 137 }
138 138
139 139 #define PS_PRTTHREADS 0x1
140 140 #define PS_PRTLWPS 0x2
141 141 #define PS_PSARGS 0x4
142 142 #define PS_TASKS 0x8
143 143 #define PS_PROJECTS 0x10
144 144 #define PS_ZONES 0x20
145 145
146 146 static int
147 147 ps_threadprint(uintptr_t addr, const void *data, void *private)
148 148 {
149 149 const kthread_t *t = (const kthread_t *)data;
150 150 uint_t prt_flags = *((uint_t *)private);
151 151
152 152 static const mdb_bitmask_t t_state_bits[] = {
153 153 { "TS_FREE", UINT_MAX, TS_FREE },
154 154 { "TS_SLEEP", TS_SLEEP, TS_SLEEP },
155 155 { "TS_RUN", TS_RUN, TS_RUN },
156 156 { "TS_ONPROC", TS_ONPROC, TS_ONPROC },
157 157 { "TS_ZOMB", TS_ZOMB, TS_ZOMB },
158 158 { "TS_STOPPED", TS_STOPPED, TS_STOPPED },
159 159 { "TS_WAIT", TS_WAIT, TS_WAIT },
160 160 { NULL, 0, 0 }
161 161 };
162 162
163 163 if (prt_flags & PS_PRTTHREADS)
164 164 mdb_printf("\tT %?a <%b>\n", addr, t->t_state, t_state_bits);
165 165
166 166 if (prt_flags & PS_PRTLWPS)
167 167 mdb_printf("\tL %?a ID: %u\n", t->t_lwp, t->t_tid);
168 168
169 169 return (WALK_NEXT);
170 170 }
171 171
172 172 int
173 173 ps(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
174 174 {
175 175 uint_t prt_flags = 0;
176 176 proc_t pr;
177 177 struct pid pid, pgid, sid;
178 178 sess_t session;
179 179 cred_t cred;
180 180 task_t tk;
181 181 kproject_t pj;
182 182 zone_t zn;
183 183
184 184 if (!(flags & DCMD_ADDRSPEC)) {
185 185 if (mdb_walk_dcmd("proc", "ps", argc, argv) == -1) {
186 186 mdb_warn("can't walk 'proc'");
187 187 return (DCMD_ERR);
188 188 }
189 189 return (DCMD_OK);
190 190 }
191 191
192 192 if (mdb_getopts(argc, argv,
193 193 'f', MDB_OPT_SETBITS, PS_PSARGS, &prt_flags,
194 194 'l', MDB_OPT_SETBITS, PS_PRTLWPS, &prt_flags,
195 195 'T', MDB_OPT_SETBITS, PS_TASKS, &prt_flags,
196 196 'P', MDB_OPT_SETBITS, PS_PROJECTS, &prt_flags,
197 197 'z', MDB_OPT_SETBITS, PS_ZONES, &prt_flags,
198 198 't', MDB_OPT_SETBITS, PS_PRTTHREADS, &prt_flags, NULL) != argc)
199 199 return (DCMD_USAGE);
200 200
201 201 if (DCMD_HDRSPEC(flags)) {
202 202 mdb_printf("%<u>%1s %6s %6s %6s %6s ",
203 203 "S", "PID", "PPID", "PGID", "SID");
204 204 if (prt_flags & PS_TASKS)
205 205 mdb_printf("%5s ", "TASK");
206 206 if (prt_flags & PS_PROJECTS)
207 207 mdb_printf("%5s ", "PROJ");
208 208 if (prt_flags & PS_ZONES)
209 209 mdb_printf("%5s ", "ZONE");
210 210 mdb_printf("%6s %10s %?s %s%</u>\n",
211 211 "UID", "FLAGS", "ADDR", "NAME");
212 212 }
213 213
214 214 mdb_vread(&pr, sizeof (pr), addr);
215 215 mdb_vread(&pid, sizeof (pid), (uintptr_t)pr.p_pidp);
216 216 mdb_vread(&pgid, sizeof (pgid), (uintptr_t)pr.p_pgidp);
217 217 mdb_vread(&cred, sizeof (cred), (uintptr_t)pr.p_cred);
218 218 mdb_vread(&session, sizeof (session), (uintptr_t)pr.p_sessp);
219 219 mdb_vread(&sid, sizeof (sid), (uintptr_t)session.s_sidp);
220 220 if (prt_flags & (PS_TASKS | PS_PROJECTS))
221 221 mdb_vread(&tk, sizeof (tk), (uintptr_t)pr.p_task);
222 222 if (prt_flags & PS_PROJECTS)
223 223 mdb_vread(&pj, sizeof (pj), (uintptr_t)tk.tk_proj);
224 224 if (prt_flags & PS_ZONES)
225 225 mdb_vread(&zn, sizeof (zone_t), (uintptr_t)pr.p_zone);
226 226
227 227 mdb_printf("%c %6d %6d %6d %6d ",
228 228 pstat2ch(pr.p_stat), pid.pid_id, pr.p_ppid, pgid.pid_id,
229 229 sid.pid_id);
230 230 if (prt_flags & PS_TASKS)
231 231 mdb_printf("%5d ", tk.tk_tkid);
232 232 if (prt_flags & PS_PROJECTS)
233 233 mdb_printf("%5d ", pj.kpj_id);
234 234 if (prt_flags & PS_ZONES)
235 235 mdb_printf("%5d ", zn.zone_id);
236 236 mdb_printf("%6d 0x%08x %0?p %s\n",
237 237 cred.cr_uid, pr.p_flag, addr,
238 238 (prt_flags & PS_PSARGS) ? pr.p_user.u_psargs : pr.p_user.u_comm);
239 239
240 240 if (prt_flags & ~PS_PSARGS)
241 241 (void) mdb_pwalk("thread", ps_threadprint, &prt_flags, addr);
242 242
243 243 return (DCMD_OK);
244 244 }
245 245
246 246 #define PG_NEWEST 0x0001
247 247 #define PG_OLDEST 0x0002
248 248 #define PG_PIPE_OUT 0x0004
249 249 #define PG_EXACT_MATCH 0x0008
250 250
251 251 typedef struct pgrep_data {
252 252 uint_t pg_flags;
253 253 uint_t pg_psflags;
254 254 uintptr_t pg_xaddr;
255 255 hrtime_t pg_xstart;
256 256 const char *pg_pat;
257 257 #ifndef _KMDB
258 258 regex_t pg_reg;
259 259 #endif
260 260 } pgrep_data_t;
261 261
262 262 /*ARGSUSED*/
263 263 static int
264 264 pgrep_cb(uintptr_t addr, const void *pdata, void *data)
265 265 {
266 266 const proc_t *prp = pdata;
267 267 pgrep_data_t *pgp = data;
268 268 #ifndef _KMDB
269 269 regmatch_t pmatch;
270 270 #endif
271 271
272 272 /*
273 273 * kmdb doesn't have access to the reg* functions, so we fall back
274 274 * to strstr/strcmp.
275 275 */
276 276 #ifdef _KMDB
277 277 if ((pgp->pg_flags & PG_EXACT_MATCH) ?
278 278 (strcmp(prp->p_user.u_comm, pgp->pg_pat) != 0) :
279 279 (strstr(prp->p_user.u_comm, pgp->pg_pat) == NULL))
280 280 return (WALK_NEXT);
281 281 #else
282 282 if (regexec(&pgp->pg_reg, prp->p_user.u_comm, 1, &pmatch, 0) != 0)
283 283 return (WALK_NEXT);
284 284
285 285 if ((pgp->pg_flags & PG_EXACT_MATCH) &&
286 286 (pmatch.rm_so != 0 || prp->p_user.u_comm[pmatch.rm_eo] != '\0'))
287 287 return (WALK_NEXT);
288 288 #endif
289 289
290 290 if (pgp->pg_flags & (PG_NEWEST | PG_OLDEST)) {
291 291 hrtime_t start;
292 292
293 293 start = (hrtime_t)prp->p_user.u_start.tv_sec * NANOSEC +
294 294 prp->p_user.u_start.tv_nsec;
295 295
296 296 if (pgp->pg_flags & PG_NEWEST) {
297 297 if (pgp->pg_xaddr == NULL || start > pgp->pg_xstart) {
298 298 pgp->pg_xaddr = addr;
299 299 pgp->pg_xstart = start;
300 300 }
301 301 } else {
302 302 if (pgp->pg_xaddr == NULL || start < pgp->pg_xstart) {
303 303 pgp->pg_xaddr = addr;
304 304 pgp->pg_xstart = start;
305 305 }
306 306 }
307 307
308 308 } else if (pgp->pg_flags & PG_PIPE_OUT) {
309 309 mdb_printf("%p\n", addr);
310 310
311 311 } else {
312 312 if (mdb_call_dcmd("ps", addr, pgp->pg_psflags, 0, NULL) != 0) {
313 313 mdb_warn("can't invoke 'ps'");
314 314 return (WALK_DONE);
315 315 }
316 316 pgp->pg_psflags &= ~DCMD_LOOPFIRST;
317 317 }
318 318
319 319 return (WALK_NEXT);
320 320 }
321 321
322 322 /*ARGSUSED*/
323 323 int
324 324 pgrep(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
325 325 {
326 326 pgrep_data_t pg;
327 327 int i;
328 328 #ifndef _KMDB
329 329 int err;
330 330 #endif
331 331
332 332 if (flags & DCMD_ADDRSPEC)
333 333 return (DCMD_USAGE);
334 334
335 335 pg.pg_flags = 0;
336 336 pg.pg_xaddr = 0;
337 337
338 338 i = mdb_getopts(argc, argv,
339 339 'n', MDB_OPT_SETBITS, PG_NEWEST, &pg.pg_flags,
340 340 'o', MDB_OPT_SETBITS, PG_OLDEST, &pg.pg_flags,
341 341 'x', MDB_OPT_SETBITS, PG_EXACT_MATCH, &pg.pg_flags,
342 342 NULL);
343 343
344 344 argc -= i;
345 345 argv += i;
346 346
347 347 if (argc != 1)
348 348 return (DCMD_USAGE);
349 349
350 350 /*
351 351 * -n and -o are mutually exclusive.
352 352 */
353 353 if ((pg.pg_flags & PG_NEWEST) && (pg.pg_flags & PG_OLDEST))
354 354 return (DCMD_USAGE);
355 355
356 356 if (argv->a_type != MDB_TYPE_STRING)
357 357 return (DCMD_USAGE);
358 358
359 359 if (flags & DCMD_PIPE_OUT)
360 360 pg.pg_flags |= PG_PIPE_OUT;
361 361
362 362 pg.pg_pat = argv->a_un.a_str;
363 363 if (DCMD_HDRSPEC(flags))
364 364 pg.pg_psflags = DCMD_ADDRSPEC | DCMD_LOOP | DCMD_LOOPFIRST;
365 365 else
366 366 pg.pg_psflags = DCMD_ADDRSPEC | DCMD_LOOP;
367 367
368 368 #ifndef _KMDB
369 369 if ((err = regcomp(&pg.pg_reg, pg.pg_pat, REG_EXTENDED)) != 0) {
370 370 size_t nbytes;
371 371 char *buf;
372 372
373 373 nbytes = regerror(err, &pg.pg_reg, NULL, 0);
374 374 buf = mdb_alloc(nbytes + 1, UM_SLEEP | UM_GC);
375 375 (void) regerror(err, &pg.pg_reg, buf, nbytes);
376 376 mdb_warn("%s\n", buf);
377 377
378 378 return (DCMD_ERR);
379 379 }
380 380 #endif
381 381
382 382 if (mdb_walk("proc", pgrep_cb, &pg) != 0) {
383 383 mdb_warn("can't walk 'proc'");
384 384 return (DCMD_ERR);
385 385 }
386 386
387 387 if (pg.pg_xaddr != 0 && (pg.pg_flags & (PG_NEWEST | PG_OLDEST))) {
388 388 if (pg.pg_flags & PG_PIPE_OUT) {
389 389 mdb_printf("%p\n", pg.pg_xaddr);
390 390 } else {
391 391 if (mdb_call_dcmd("ps", pg.pg_xaddr, pg.pg_psflags,
392 392 0, NULL) != 0) {
393 393 mdb_warn("can't invoke 'ps'");
394 394 return (DCMD_ERR);
395 395 }
396 396 }
397 397 }
398 398
399 399 return (DCMD_OK);
400 400 }
401 401
402 402 int
403 403 task(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
404 404 {
405 405 task_t tk;
406 406 kproject_t pj;
407 407
408 408 if (!(flags & DCMD_ADDRSPEC)) {
409 409 if (mdb_walk_dcmd("task_cache", "task", argc, argv) == -1) {
410 410 mdb_warn("can't walk task_cache");
411 411 return (DCMD_ERR);
412 412 }
413 413 return (DCMD_OK);
414 414 }
415 415 if (DCMD_HDRSPEC(flags)) {
416 416 mdb_printf("%<u>%?s %6s %6s %6s %6s %10s%</u>\n",
417 417 "ADDR", "TASKID", "PROJID", "ZONEID", "REFCNT", "FLAGS");
418 418 }
419 419 if (mdb_vread(&tk, sizeof (task_t), addr) == -1) {
420 420 mdb_warn("can't read task_t structure at %p", addr);
421 421 return (DCMD_ERR);
422 422 }
423 423 if (mdb_vread(&pj, sizeof (kproject_t), (uintptr_t)tk.tk_proj) == -1) {
424 424 mdb_warn("can't read project_t structure at %p", addr);
425 425 return (DCMD_ERR);
426 426 }
427 427 mdb_printf("%0?p %6d %6d %6d %6u 0x%08x\n",
428 428 addr, tk.tk_tkid, pj.kpj_id, pj.kpj_zoneid, tk.tk_hold_count,
429 429 tk.tk_flags);
430 430 return (DCMD_OK);
431 431 }
432 432
433 433 int
434 434 project(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
435 435 {
436 436 kproject_t pj;
437 437
438 438 if (!(flags & DCMD_ADDRSPEC)) {
439 439 if (mdb_walk_dcmd("projects", "project", argc, argv) == -1) {
440 440 mdb_warn("can't walk projects");
441 441 return (DCMD_ERR);
442 442 }
443 443 return (DCMD_OK);
444 444 }
445 445 if (DCMD_HDRSPEC(flags)) {
446 446 mdb_printf("%<u>%?s %6s %6s %6s%</u>\n",
447 447 "ADDR", "PROJID", "ZONEID", "REFCNT");
448 448 }
449 449 if (mdb_vread(&pj, sizeof (kproject_t), addr) == -1) {
450 450 mdb_warn("can't read kproject_t structure at %p", addr);
451 451 return (DCMD_ERR);
452 452 }
453 453 mdb_printf("%0?p %6d %6d %6u\n", addr, pj.kpj_id, pj.kpj_zoneid,
454 454 pj.kpj_count);
455 455 return (DCMD_OK);
456 456 }
457 457
458 458 /* walk callouts themselves, either by list or id hash. */
459 459 int
460 460 callout_walk_init(mdb_walk_state_t *wsp)
461 461 {
462 462 if (wsp->walk_addr == NULL) {
463 463 mdb_warn("callout doesn't support global walk");
464 464 return (WALK_ERR);
465 465 }
466 466 wsp->walk_data = mdb_alloc(sizeof (callout_t), UM_SLEEP);
467 467 return (WALK_NEXT);
468 468 }
469 469
470 470 #define CALLOUT_WALK_BYLIST 0
471 471 #define CALLOUT_WALK_BYID 1
472 472
473 473 /* the walker arg switches between walking by list (0) and walking by id (1). */
474 474 int
475 475 callout_walk_step(mdb_walk_state_t *wsp)
476 476 {
477 477 int retval;
478 478
479 479 if (wsp->walk_addr == NULL) {
480 480 return (WALK_DONE);
481 481 }
482 482 if (mdb_vread(wsp->walk_data, sizeof (callout_t),
483 483 wsp->walk_addr) == -1) {
484 484 mdb_warn("failed to read callout at %p", wsp->walk_addr);
485 485 return (WALK_DONE);
486 486 }
487 487 retval = wsp->walk_callback(wsp->walk_addr, wsp->walk_data,
488 488 wsp->walk_cbdata);
489 489
490 490 if ((ulong_t)wsp->walk_arg == CALLOUT_WALK_BYID) {
491 491 wsp->walk_addr =
492 492 (uintptr_t)(((callout_t *)wsp->walk_data)->c_idnext);
493 493 } else {
494 494 wsp->walk_addr =
495 495 (uintptr_t)(((callout_t *)wsp->walk_data)->c_clnext);
496 496 }
497 497
498 498 return (retval);
499 499 }
500 500
501 501 void
502 502 callout_walk_fini(mdb_walk_state_t *wsp)
503 503 {
504 504 mdb_free(wsp->walk_data, sizeof (callout_t));
505 505 }
506 506
507 507 /*
508 508 * walker for callout lists. This is different from hashes and callouts.
509 509 * Thankfully, it's also simpler.
510 510 */
511 511 int
512 512 callout_list_walk_init(mdb_walk_state_t *wsp)
513 513 {
514 514 if (wsp->walk_addr == NULL) {
515 515 mdb_warn("callout list doesn't support global walk");
516 516 return (WALK_ERR);
517 517 }
518 518 wsp->walk_data = mdb_alloc(sizeof (callout_list_t), UM_SLEEP);
519 519 return (WALK_NEXT);
520 520 }
521 521
522 522 int
523 523 callout_list_walk_step(mdb_walk_state_t *wsp)
524 524 {
525 525 int retval;
526 526
527 527 if (wsp->walk_addr == NULL) {
528 528 return (WALK_DONE);
529 529 }
530 530 if (mdb_vread(wsp->walk_data, sizeof (callout_list_t),
531 531 wsp->walk_addr) != sizeof (callout_list_t)) {
532 532 mdb_warn("failed to read callout_list at %p", wsp->walk_addr);
533 533 return (WALK_ERR);
534 534 }
535 535 retval = wsp->walk_callback(wsp->walk_addr, wsp->walk_data,
536 536 wsp->walk_cbdata);
537 537
538 538 wsp->walk_addr = (uintptr_t)
539 539 (((callout_list_t *)wsp->walk_data)->cl_next);
540 540
541 541 return (retval);
542 542 }
543 543
544 544 void
545 545 callout_list_walk_fini(mdb_walk_state_t *wsp)
546 546 {
547 547 mdb_free(wsp->walk_data, sizeof (callout_list_t));
548 548 }
549 549
550 550 /* routines/structs to walk callout table(s) */
551 551 typedef struct cot_data {
552 552 callout_table_t *ct0;
553 553 callout_table_t ct;
554 554 callout_hash_t cot_idhash[CALLOUT_BUCKETS];
555 555 callout_hash_t cot_clhash[CALLOUT_BUCKETS];
556 556 kstat_named_t ct_kstat_data[CALLOUT_NUM_STATS];
557 557 int cotndx;
558 558 int cotsize;
559 559 } cot_data_t;
560 560
561 561 int
562 562 callout_table_walk_init(mdb_walk_state_t *wsp)
563 563 {
564 564 int max_ncpus;
565 565 cot_data_t *cot_walk_data;
566 566
567 567 cot_walk_data = mdb_alloc(sizeof (cot_data_t), UM_SLEEP);
568 568
569 569 if (wsp->walk_addr == NULL) {
570 570 if (mdb_readvar(&cot_walk_data->ct0, "callout_table") == -1) {
571 571 mdb_warn("failed to read 'callout_table'");
572 572 return (WALK_ERR);
573 573 }
574 574 if (mdb_readvar(&max_ncpus, "max_ncpus") == -1) {
575 575 mdb_warn("failed to get callout_table array size");
576 576 return (WALK_ERR);
577 577 }
578 578 cot_walk_data->cotsize = CALLOUT_NTYPES * max_ncpus;
579 579 wsp->walk_addr = (uintptr_t)cot_walk_data->ct0;
580 580 } else {
581 581 /* not a global walk */
582 582 cot_walk_data->cotsize = 1;
583 583 }
584 584
585 585 cot_walk_data->cotndx = 0;
586 586 wsp->walk_data = cot_walk_data;
587 587
588 588 return (WALK_NEXT);
589 589 }
590 590
591 591 int
592 592 callout_table_walk_step(mdb_walk_state_t *wsp)
593 593 {
594 594 int retval;
595 595 cot_data_t *cotwd = (cot_data_t *)wsp->walk_data;
596 596 size_t size;
597 597
598 598 if (cotwd->cotndx >= cotwd->cotsize) {
599 599 return (WALK_DONE);
600 600 }
601 601 if (mdb_vread(&(cotwd->ct), sizeof (callout_table_t),
602 602 wsp->walk_addr) != sizeof (callout_table_t)) {
603 603 mdb_warn("failed to read callout_table at %p", wsp->walk_addr);
604 604 return (WALK_ERR);
605 605 }
606 606
607 607 size = sizeof (callout_hash_t) * CALLOUT_BUCKETS;
608 608 if (cotwd->ct.ct_idhash != NULL) {
609 609 if (mdb_vread(cotwd->cot_idhash, size,
610 610 (uintptr_t)(cotwd->ct.ct_idhash)) != size) {
611 611 mdb_warn("failed to read id_hash at %p",
612 612 cotwd->ct.ct_idhash);
613 613 return (WALK_ERR);
614 614 }
615 615 }
616 616 if (cotwd->ct.ct_clhash != NULL) {
617 617 if (mdb_vread(&(cotwd->cot_clhash), size,
618 618 (uintptr_t)cotwd->ct.ct_clhash) == -1) {
619 619 mdb_warn("failed to read cl_hash at %p",
620 620 cotwd->ct.ct_clhash);
621 621 return (WALK_ERR);
622 622 }
623 623 }
624 624 size = sizeof (kstat_named_t) * CALLOUT_NUM_STATS;
625 625 if (cotwd->ct.ct_kstat_data != NULL) {
626 626 if (mdb_vread(&(cotwd->ct_kstat_data), size,
627 627 (uintptr_t)cotwd->ct.ct_kstat_data) == -1) {
628 628 mdb_warn("failed to read kstats at %p",
629 629 cotwd->ct.ct_kstat_data);
630 630 return (WALK_ERR);
631 631 }
632 632 }
633 633 retval = wsp->walk_callback(wsp->walk_addr, (void *)cotwd,
634 634 wsp->walk_cbdata);
635 635
636 636 cotwd->cotndx++;
637 637 if (cotwd->cotndx >= cotwd->cotsize) {
638 638 return (WALK_DONE);
639 639 }
640 640 wsp->walk_addr = (uintptr_t)((char *)wsp->walk_addr +
641 641 sizeof (callout_table_t));
642 642
643 643 return (retval);
644 644 }
645 645
646 646 void
647 647 callout_table_walk_fini(mdb_walk_state_t *wsp)
648 648 {
649 649 mdb_free(wsp->walk_data, sizeof (cot_data_t));
650 650 }
651 651
652 652 static const char *co_typenames[] = { "R", "N" };
653 653
654 654 #define CO_PLAIN_ID(xid) ((xid) & CALLOUT_ID_MASK)
655 655
656 656 #define TABLE_TO_SEQID(x) ((x) >> CALLOUT_TYPE_BITS)
657 657
658 658 /* callout flags, in no particular order */
659 659 #define COF_REAL 0x00000001
660 660 #define COF_NORM 0x00000002
661 661 #define COF_LONG 0x00000004
662 662 #define COF_SHORT 0x00000008
663 663 #define COF_EMPTY 0x00000010
664 664 #define COF_TIME 0x00000020
665 665 #define COF_BEFORE 0x00000040
666 666 #define COF_AFTER 0x00000080
667 667 #define COF_SEQID 0x00000100
668 668 #define COF_FUNC 0x00000200
669 669 #define COF_ADDR 0x00000400
670 670 #define COF_EXEC 0x00000800
671 671 #define COF_HIRES 0x00001000
672 672 #define COF_ABS 0x00002000
673 673 #define COF_TABLE 0x00004000
674 674 #define COF_BYIDH 0x00008000
675 675 #define COF_FREE 0x00010000
676 676 #define COF_LIST 0x00020000
677 677 #define COF_EXPREL 0x00040000
678 678 #define COF_HDR 0x00080000
679 679 #define COF_VERBOSE 0x00100000
680 680 #define COF_LONGLIST 0x00200000
681 681 #define COF_THDR 0x00400000
682 682 #define COF_LHDR 0x00800000
683 683 #define COF_CHDR 0x01000000
684 684 #define COF_PARAM 0x02000000
685 685 #define COF_DECODE 0x04000000
686 686 #define COF_HEAP 0x08000000
687 687 #define COF_QUEUE 0x10000000
688 688
689 689 /* show real and normal, short and long, expired and unexpired. */
690 690 #define COF_DEFAULT (COF_REAL | COF_NORM | COF_LONG | COF_SHORT)
691 691
692 692 #define COF_LIST_FLAGS \
693 693 (CALLOUT_LIST_FLAG_HRESTIME | CALLOUT_LIST_FLAG_ABSOLUTE)
694 694
695 695 /* private callout data for callback functions */
696 696 typedef struct callout_data {
697 697 uint_t flags; /* COF_* */
698 698 cpu_t *cpu; /* cpu pointer if given */
699 699 int seqid; /* cpu seqid, or -1 */
700 700 hrtime_t time; /* expiration time value */
701 701 hrtime_t atime; /* expiration before value */
702 702 hrtime_t btime; /* expiration after value */
703 703 uintptr_t funcaddr; /* function address or NULL */
704 704 uintptr_t param; /* parameter to function or NULL */
705 705 hrtime_t now; /* current system time */
706 706 int nsec_per_tick; /* for conversions */
707 707 ulong_t ctbits; /* for decoding xid */
708 708 callout_table_t *co_table; /* top of callout table array */
709 709 int ndx; /* table index. */
710 710 int bucket; /* which list/id bucket are we in */
711 711 hrtime_t exp; /* expire time */
712 712 int list_flags; /* copy of cl_flags */
713 713 } callout_data_t;
714 714
715 715 /* this callback does the actual callback itself (finally). */
716 716 /*ARGSUSED*/
717 717 static int
718 718 callouts_cb(uintptr_t addr, const void *data, void *priv)
719 719 {
720 720 callout_data_t *coargs = (callout_data_t *)priv;
721 721 callout_t *co = (callout_t *)data;
722 722 int tableid, list_flags;
723 723 callout_id_t coid;
724 724
725 725 if ((coargs == NULL) || (co == NULL)) {
726 726 return (WALK_ERR);
727 727 }
728 728
729 729 if ((coargs->flags & COF_FREE) && !(co->c_xid & CALLOUT_ID_FREE)) {
730 730 /*
731 731 * The callout must have been reallocated. No point in
732 732 * walking any more.
733 733 */
734 734 return (WALK_DONE);
735 735 }
736 736 if (!(coargs->flags & COF_FREE) && (co->c_xid & CALLOUT_ID_FREE)) {
737 737 /*
738 738 * The callout must have been freed. No point in
739 739 * walking any more.
740 740 */
741 741 return (WALK_DONE);
742 742 }
743 743 if ((coargs->flags & COF_FUNC) &&
744 744 (coargs->funcaddr != (uintptr_t)co->c_func)) {
745 745 return (WALK_NEXT);
746 746 }
747 747 if ((coargs->flags & COF_PARAM) &&
748 748 (coargs->param != (uintptr_t)co->c_arg)) {
749 749 return (WALK_NEXT);
750 750 }
751 751 if (!(coargs->flags & COF_LONG) && (co->c_xid & CALLOUT_LONGTERM)) {
752 752 return (WALK_NEXT);
753 753 }
754 754 if (!(coargs->flags & COF_SHORT) && !(co->c_xid & CALLOUT_LONGTERM)) {
755 755 return (WALK_NEXT);
756 756 }
757 757 if ((coargs->flags & COF_EXEC) && !(co->c_xid & CALLOUT_EXECUTING)) {
758 758 return (WALK_NEXT);
759 759 }
760 760 /* it is possible we don't have the exp time or flags */
761 761 if (coargs->flags & COF_BYIDH) {
762 762 if (!(coargs->flags & COF_FREE)) {
763 763 /* we have to fetch the expire time ourselves. */
764 764 if (mdb_vread(&coargs->exp, sizeof (hrtime_t),
765 765 (uintptr_t)co->c_list + offsetof(callout_list_t,
766 766 cl_expiration)) == -1) {
767 767 mdb_warn("failed to read expiration "
768 768 "time from %p", co->c_list);
769 769 coargs->exp = 0;
770 770 }
771 771 /* and flags. */
772 772 if (mdb_vread(&coargs->list_flags, sizeof (int),
773 773 (uintptr_t)co->c_list + offsetof(callout_list_t,
774 774 cl_flags)) == -1) {
775 775 mdb_warn("failed to read list flags"
776 776 "from %p", co->c_list);
777 777 coargs->list_flags = 0;
778 778 }
779 779 } else {
780 780 /* free callouts can't use list pointer. */
781 781 coargs->exp = 0;
782 782 coargs->list_flags = 0;
783 783 }
784 784 if (coargs->exp != 0) {
785 785 if ((coargs->flags & COF_TIME) &&
786 786 (coargs->exp != coargs->time)) {
787 787 return (WALK_NEXT);
788 788 }
789 789 if ((coargs->flags & COF_BEFORE) &&
790 790 (coargs->exp > coargs->btime)) {
791 791 return (WALK_NEXT);
792 792 }
793 793 if ((coargs->flags & COF_AFTER) &&
794 794 (coargs->exp < coargs->atime)) {
795 795 return (WALK_NEXT);
796 796 }
797 797 }
798 798 /* tricky part, since both HIRES and ABS can be set */
799 799 list_flags = coargs->list_flags;
800 800 if ((coargs->flags & COF_HIRES) && (coargs->flags & COF_ABS)) {
801 801 /* both flags are set, only skip "regular" ones */
802 802 if (! (list_flags & COF_LIST_FLAGS)) {
803 803 return (WALK_NEXT);
804 804 }
805 805 } else {
806 806 /* individual flags, or no flags */
807 807 if ((coargs->flags & COF_HIRES) &&
808 808 !(list_flags & CALLOUT_LIST_FLAG_HRESTIME)) {
809 809 return (WALK_NEXT);
810 810 }
811 811 if ((coargs->flags & COF_ABS) &&
812 812 !(list_flags & CALLOUT_LIST_FLAG_ABSOLUTE)) {
813 813 return (WALK_NEXT);
814 814 }
815 815 }
816 816 /*
817 817 * We do the checks for COF_HEAP and COF_QUEUE here only if we
818 818 * are traversing BYIDH. If the traversal is by callout list,
819 819 * we do this check in callout_list_cb() to be more
820 820 * efficient.
821 821 */
822 822 if ((coargs->flags & COF_HEAP) &&
823 823 !(list_flags & CALLOUT_LIST_FLAG_HEAPED)) {
824 824 return (WALK_NEXT);
825 825 }
826 826
827 827 if ((coargs->flags & COF_QUEUE) &&
828 828 !(list_flags & CALLOUT_LIST_FLAG_QUEUED)) {
829 829 return (WALK_NEXT);
830 830 }
831 831 }
832 832
833 833 #define callout_table_mask ((1 << coargs->ctbits) - 1)
834 834 tableid = CALLOUT_ID_TO_TABLE(co->c_xid);
835 835 #undef callout_table_mask
836 836 coid = CO_PLAIN_ID(co->c_xid);
837 837
838 838 if ((coargs->flags & COF_CHDR) && !(coargs->flags & COF_ADDR)) {
839 839 /*
840 840 * We need to print the headers. If walking by id, then
841 841 * the list header isn't printed, so we must include
842 842 * that info here.
843 843 */
844 844 if (!(coargs->flags & COF_VERBOSE)) {
845 845 mdb_printf("%<u>%3s %-1s %-14s %</u>",
846 846 "SEQ", "T", "EXP");
847 847 } else if (coargs->flags & COF_BYIDH) {
848 848 mdb_printf("%<u>%-14s %</u>", "EXP");
849 849 }
850 850 mdb_printf("%<u>%-4s %-?s %-20s%</u>",
851 851 "XHAL", "XID", "FUNC(ARG)");
852 852 if (coargs->flags & COF_LONGLIST) {
853 853 mdb_printf("%<u> %-?s %-?s %-?s %-?s%</u>",
854 854 "PREVID", "NEXTID", "PREVL", "NEXTL");
855 855 mdb_printf("%<u> %-?s %-4s %-?s%</u>",
856 856 "DONE", "UTOS", "THREAD");
857 857 }
858 858 mdb_printf("\n");
859 859 coargs->flags &= ~COF_CHDR;
860 860 coargs->flags |= (COF_THDR | COF_LHDR);
861 861 }
862 862
863 863 if (!(coargs->flags & COF_ADDR)) {
864 864 if (!(coargs->flags & COF_VERBOSE)) {
865 865 mdb_printf("%-3d %1s %-14llx ",
866 866 TABLE_TO_SEQID(tableid),
867 867 co_typenames[tableid & CALLOUT_TYPE_MASK],
868 868 (coargs->flags & COF_EXPREL) ?
869 869 coargs->exp - coargs->now : coargs->exp);
870 870 } else if (coargs->flags & COF_BYIDH) {
871 871 mdb_printf("%-14x ",
872 872 (coargs->flags & COF_EXPREL) ?
873 873 coargs->exp - coargs->now : coargs->exp);
874 874 }
875 875 list_flags = coargs->list_flags;
876 876 mdb_printf("%1s%1s%1s%1s %-?llx %a(%p)",
877 877 (co->c_xid & CALLOUT_EXECUTING) ? "X" : " ",
878 878 (list_flags & CALLOUT_LIST_FLAG_HRESTIME) ? "H" : " ",
879 879 (list_flags & CALLOUT_LIST_FLAG_ABSOLUTE) ? "A" : " ",
880 880 (co->c_xid & CALLOUT_LONGTERM) ? "L" : " ",
881 881 (long long)coid, co->c_func, co->c_arg);
882 882 if (coargs->flags & COF_LONGLIST) {
883 883 mdb_printf(" %-?p %-?p %-?p %-?p",
884 884 co->c_idprev, co->c_idnext, co->c_clprev,
885 885 co->c_clnext);
886 886 mdb_printf(" %-?p %-4d %-0?p",
887 887 co->c_done, co->c_waiting, co->c_executor);
888 888 }
889 889 } else {
890 890 /* address only */
891 891 mdb_printf("%-0p", addr);
892 892 }
893 893 mdb_printf("\n");
894 894 return (WALK_NEXT);
895 895 }
896 896
897 897 /* this callback is for callout list handling. idhash is done by callout_t_cb */
898 898 /*ARGSUSED*/
899 899 static int
900 900 callout_list_cb(uintptr_t addr, const void *data, void *priv)
901 901 {
902 902 callout_data_t *coargs = (callout_data_t *)priv;
903 903 callout_list_t *cl = (callout_list_t *)data;
904 904 callout_t *coptr;
905 905 int list_flags;
906 906
907 907 if ((coargs == NULL) || (cl == NULL)) {
908 908 return (WALK_ERR);
909 909 }
910 910
911 911 coargs->exp = cl->cl_expiration;
912 912 coargs->list_flags = cl->cl_flags;
913 913 if ((coargs->flags & COF_FREE) &&
914 914 !(cl->cl_flags & CALLOUT_LIST_FLAG_FREE)) {
915 915 /*
916 916 * The callout list must have been reallocated. No point in
917 917 * walking any more.
918 918 */
919 919 return (WALK_DONE);
920 920 }
921 921 if (!(coargs->flags & COF_FREE) &&
922 922 (cl->cl_flags & CALLOUT_LIST_FLAG_FREE)) {
923 923 /*
924 924 * The callout list must have been freed. No point in
925 925 * walking any more.
926 926 */
927 927 return (WALK_DONE);
928 928 }
929 929 if ((coargs->flags & COF_TIME) &&
930 930 (cl->cl_expiration != coargs->time)) {
931 931 return (WALK_NEXT);
932 932 }
933 933 if ((coargs->flags & COF_BEFORE) &&
934 934 (cl->cl_expiration > coargs->btime)) {
935 935 return (WALK_NEXT);
936 936 }
937 937 if ((coargs->flags & COF_AFTER) &&
938 938 (cl->cl_expiration < coargs->atime)) {
939 939 return (WALK_NEXT);
940 940 }
941 941 if (!(coargs->flags & COF_EMPTY) &&
942 942 (cl->cl_callouts.ch_head == NULL)) {
943 943 return (WALK_NEXT);
944 944 }
945 945 /* FOUR cases, each different, !A!B, !AB, A!B, AB */
946 946 if ((coargs->flags & COF_HIRES) && (coargs->flags & COF_ABS)) {
947 947 /* both flags are set, only skip "regular" ones */
948 948 if (! (cl->cl_flags & COF_LIST_FLAGS)) {
949 949 return (WALK_NEXT);
950 950 }
951 951 } else {
952 952 if ((coargs->flags & COF_HIRES) &&
953 953 !(cl->cl_flags & CALLOUT_LIST_FLAG_HRESTIME)) {
954 954 return (WALK_NEXT);
955 955 }
956 956 if ((coargs->flags & COF_ABS) &&
957 957 !(cl->cl_flags & CALLOUT_LIST_FLAG_ABSOLUTE)) {
958 958 return (WALK_NEXT);
959 959 }
960 960 }
961 961
962 962 if ((coargs->flags & COF_HEAP) &&
963 963 !(coargs->list_flags & CALLOUT_LIST_FLAG_HEAPED)) {
964 964 return (WALK_NEXT);
965 965 }
966 966
967 967 if ((coargs->flags & COF_QUEUE) &&
968 968 !(coargs->list_flags & CALLOUT_LIST_FLAG_QUEUED)) {
969 969 return (WALK_NEXT);
970 970 }
971 971
972 972 if ((coargs->flags & COF_LHDR) && !(coargs->flags & COF_ADDR) &&
973 973 (coargs->flags & (COF_LIST | COF_VERBOSE))) {
974 974 if (!(coargs->flags & COF_VERBOSE)) {
975 975 /* don't be redundant again */
976 976 mdb_printf("%<u>SEQ T %</u>");
977 977 }
978 978 mdb_printf("%<u>EXP HA BUCKET "
979 979 "CALLOUTS %</u>");
980 980
981 981 if (coargs->flags & COF_LONGLIST) {
982 982 mdb_printf("%<u> %-?s %-?s%</u>",
983 983 "PREV", "NEXT");
984 984 }
985 985 mdb_printf("\n");
986 986 coargs->flags &= ~COF_LHDR;
987 987 coargs->flags |= (COF_THDR | COF_CHDR);
988 988 }
989 989 if (coargs->flags & (COF_LIST | COF_VERBOSE)) {
990 990 if (!(coargs->flags & COF_ADDR)) {
991 991 if (!(coargs->flags & COF_VERBOSE)) {
992 992 mdb_printf("%3d %1s ",
993 993 TABLE_TO_SEQID(coargs->ndx),
994 994 co_typenames[coargs->ndx &
995 995 CALLOUT_TYPE_MASK]);
996 996 }
997 997
998 998 list_flags = coargs->list_flags;
999 999 mdb_printf("%-14llx %1s%1s %-6d %-0?p ",
1000 1000 (coargs->flags & COF_EXPREL) ?
1001 1001 coargs->exp - coargs->now : coargs->exp,
1002 1002 (list_flags & CALLOUT_LIST_FLAG_HRESTIME) ?
1003 1003 "H" : " ",
1004 1004 (list_flags & CALLOUT_LIST_FLAG_ABSOLUTE) ?
1005 1005 "A" : " ",
1006 1006 coargs->bucket, cl->cl_callouts.ch_head);
1007 1007
1008 1008 if (coargs->flags & COF_LONGLIST) {
1009 1009 mdb_printf(" %-?p %-?p",
1010 1010 cl->cl_prev, cl->cl_next);
1011 1011 }
1012 1012 } else {
1013 1013 /* address only */
1014 1014 mdb_printf("%-0p", addr);
1015 1015 }
1016 1016 mdb_printf("\n");
1017 1017 if (coargs->flags & COF_LIST) {
1018 1018 return (WALK_NEXT);
1019 1019 }
1020 1020 }
1021 1021 /* yet another layer as we walk the actual callouts via list. */
1022 1022 if (cl->cl_callouts.ch_head == NULL) {
1023 1023 return (WALK_NEXT);
1024 1024 }
1025 1025 /* free list structures do not have valid callouts off of them. */
1026 1026 if (coargs->flags & COF_FREE) {
1027 1027 return (WALK_NEXT);
1028 1028 }
1029 1029 coptr = (callout_t *)cl->cl_callouts.ch_head;
1030 1030
1031 1031 if (coargs->flags & COF_VERBOSE) {
1032 1032 mdb_inc_indent(4);
1033 1033 }
1034 1034 /*
1035 1035 * walk callouts using yet another callback routine.
1036 1036 * we use callouts_bytime because id hash is handled via
1037 1037 * the callout_t_cb callback.
1038 1038 */
1039 1039 if (mdb_pwalk("callouts_bytime", callouts_cb, coargs,
1040 1040 (uintptr_t)coptr) == -1) {
1041 1041 mdb_warn("cannot walk callouts at %p", coptr);
1042 1042 return (WALK_ERR);
1043 1043 }
1044 1044 if (coargs->flags & COF_VERBOSE) {
1045 1045 mdb_dec_indent(4);
1046 1046 }
1047 1047
1048 1048 return (WALK_NEXT);
1049 1049 }
1050 1050
1051 1051 /* this callback handles the details of callout table walking. */
1052 1052 static int
1053 1053 callout_t_cb(uintptr_t addr, const void *data, void *priv)
1054 1054 {
1055 1055 callout_data_t *coargs = (callout_data_t *)priv;
1056 1056 cot_data_t *cotwd = (cot_data_t *)data;
1057 1057 callout_table_t *ct = &(cotwd->ct);
1058 1058 int index, seqid, cotype;
1059 1059 int i;
1060 1060 callout_list_t *clptr;
1061 1061 callout_t *coptr;
1062 1062
1063 1063 if ((coargs == NULL) || (ct == NULL) || (coargs->co_table == NULL)) {
1064 1064 return (WALK_ERR);
1065 1065 }
1066 1066
1067 1067 index = ((char *)addr - (char *)coargs->co_table) /
1068 1068 sizeof (callout_table_t);
1069 1069 cotype = index & CALLOUT_TYPE_MASK;
1070 1070 seqid = TABLE_TO_SEQID(index);
1071 1071
1072 1072 if ((coargs->flags & COF_SEQID) && (coargs->seqid != seqid)) {
1073 1073 return (WALK_NEXT);
1074 1074 }
1075 1075
1076 1076 if (!(coargs->flags & COF_REAL) && (cotype == CALLOUT_REALTIME)) {
1077 1077 return (WALK_NEXT);
1078 1078 }
1079 1079
1080 1080 if (!(coargs->flags & COF_NORM) && (cotype == CALLOUT_NORMAL)) {
1081 1081 return (WALK_NEXT);
1082 1082 }
1083 1083
1084 1084 if (!(coargs->flags & COF_EMPTY) && (
1085 1085 (ct->ct_heap == NULL) || (ct->ct_cyclic == NULL))) {
1086 1086 return (WALK_NEXT);
1087 1087 }
1088 1088
1089 1089 if ((coargs->flags & COF_THDR) && !(coargs->flags & COF_ADDR) &&
1090 1090 (coargs->flags & (COF_TABLE | COF_VERBOSE))) {
1091 1091 /* print table hdr */
1092 1092 mdb_printf("%<u>%-3s %-1s %-?s %-?s %-?s %-?s%</u>",
1093 1093 "SEQ", "T", "FREE", "LFREE", "CYCLIC", "HEAP");
1094 1094 coargs->flags &= ~COF_THDR;
1095 1095 coargs->flags |= (COF_LHDR | COF_CHDR);
1096 1096 if (coargs->flags & COF_LONGLIST) {
1097 1097 /* more info! */
1098 1098 mdb_printf("%<u> %-T%-7s %-7s %-?s %-?s %-?s"
1099 1099 " %-?s %-?s %-?s%</u>",
1100 1100 "HEAPNUM", "HEAPMAX", "TASKQ", "EXPQ", "QUE",
1101 1101 "PEND", "FREE", "LOCK");
1102 1102 }
1103 1103 mdb_printf("\n");
1104 1104 }
1105 1105 if (coargs->flags & (COF_TABLE | COF_VERBOSE)) {
1106 1106 if (!(coargs->flags & COF_ADDR)) {
1107 1107 mdb_printf("%-3d %-1s %-0?p %-0?p %-0?p %-?p",
1108 1108 seqid, co_typenames[cotype],
1109 1109 ct->ct_free, ct->ct_lfree, ct->ct_cyclic,
1110 1110 ct->ct_heap);
1111 1111 if (coargs->flags & COF_LONGLIST) {
1112 1112 /* more info! */
1113 1113 mdb_printf(" %-7d %-7d %-?p %-?p %-?p"
1114 1114 " %-?lld %-?lld %-?p",
1115 1115 ct->ct_heap_num, ct->ct_heap_max,
1116 1116 ct->ct_taskq, ct->ct_expired.ch_head,
1117 1117 ct->ct_queue.ch_head,
1118 1118 cotwd->ct_timeouts_pending,
1119 1119 cotwd->ct_allocations -
1120 1120 cotwd->ct_timeouts_pending,
1121 1121 ct->ct_mutex);
1122 1122 }
1123 1123 } else {
1124 1124 /* address only */
1125 1125 mdb_printf("%-0?p", addr);
1126 1126 }
1127 1127 mdb_printf("\n");
1128 1128 if (coargs->flags & COF_TABLE) {
1129 1129 return (WALK_NEXT);
1130 1130 }
1131 1131 }
1132 1132
1133 1133 coargs->ndx = index;
1134 1134 if (coargs->flags & COF_VERBOSE) {
1135 1135 mdb_inc_indent(4);
1136 1136 }
1137 1137 /* keep digging. */
1138 1138 if (!(coargs->flags & COF_BYIDH)) {
1139 1139 /* walk the list hash table */
1140 1140 if (coargs->flags & COF_FREE) {
1141 1141 clptr = ct->ct_lfree;
1142 1142 coargs->bucket = 0;
1143 1143 if (clptr == NULL) {
1144 1144 return (WALK_NEXT);
1145 1145 }
1146 1146 if (mdb_pwalk("callout_list", callout_list_cb, coargs,
1147 1147 (uintptr_t)clptr) == -1) {
1148 1148 mdb_warn("cannot walk callout free list at %p",
1149 1149 clptr);
1150 1150 return (WALK_ERR);
1151 1151 }
1152 1152 } else {
1153 1153 /* first print the expired list. */
1154 1154 clptr = (callout_list_t *)ct->ct_expired.ch_head;
1155 1155 if (clptr != NULL) {
1156 1156 coargs->bucket = -1;
1157 1157 if (mdb_pwalk("callout_list", callout_list_cb,
1158 1158 coargs, (uintptr_t)clptr) == -1) {
1159 1159 mdb_warn("cannot walk callout_list"
1160 1160 " at %p", clptr);
1161 1161 return (WALK_ERR);
1162 1162 }
1163 1163 }
1164 1164 /* then, print the callout queue */
1165 1165 clptr = (callout_list_t *)ct->ct_queue.ch_head;
1166 1166 if (clptr != NULL) {
1167 1167 coargs->bucket = -1;
1168 1168 if (mdb_pwalk("callout_list", callout_list_cb,
1169 1169 coargs, (uintptr_t)clptr) == -1) {
1170 1170 mdb_warn("cannot walk callout_list"
1171 1171 " at %p", clptr);
1172 1172 return (WALK_ERR);
1173 1173 }
1174 1174 }
1175 1175 for (i = 0; i < CALLOUT_BUCKETS; i++) {
1176 1176 if (ct->ct_clhash == NULL) {
1177 1177 /* nothing to do */
1178 1178 break;
1179 1179 }
1180 1180 if (cotwd->cot_clhash[i].ch_head == NULL) {
1181 1181 continue;
1182 1182 }
1183 1183 clptr = (callout_list_t *)
1184 1184 cotwd->cot_clhash[i].ch_head;
1185 1185 coargs->bucket = i;
1186 1186 /* walk list with callback routine. */
1187 1187 if (mdb_pwalk("callout_list", callout_list_cb,
1188 1188 coargs, (uintptr_t)clptr) == -1) {
1189 1189 mdb_warn("cannot walk callout_list"
1190 1190 " at %p", clptr);
1191 1191 return (WALK_ERR);
1192 1192 }
1193 1193 }
1194 1194 }
1195 1195 } else {
1196 1196 /* walk the id hash table. */
1197 1197 if (coargs->flags & COF_FREE) {
1198 1198 coptr = ct->ct_free;
1199 1199 coargs->bucket = 0;
1200 1200 if (coptr == NULL) {
1201 1201 return (WALK_NEXT);
1202 1202 }
1203 1203 if (mdb_pwalk("callouts_byid", callouts_cb, coargs,
1204 1204 (uintptr_t)coptr) == -1) {
1205 1205 mdb_warn("cannot walk callout id free list"
1206 1206 " at %p", coptr);
1207 1207 return (WALK_ERR);
1208 1208 }
1209 1209 } else {
1210 1210 for (i = 0; i < CALLOUT_BUCKETS; i++) {
1211 1211 if (ct->ct_idhash == NULL) {
1212 1212 break;
1213 1213 }
1214 1214 coptr = (callout_t *)
1215 1215 cotwd->cot_idhash[i].ch_head;
1216 1216 if (coptr == NULL) {
1217 1217 continue;
1218 1218 }
1219 1219 coargs->bucket = i;
1220 1220
1221 1221 /*
1222 1222 * walk callouts directly by id. For id
1223 1223 * chain, the callout list is just a header,
1224 1224 * so there's no need to walk it.
1225 1225 */
1226 1226 if (mdb_pwalk("callouts_byid", callouts_cb,
1227 1227 coargs, (uintptr_t)coptr) == -1) {
1228 1228 mdb_warn("cannot walk callouts at %p",
1229 1229 coptr);
1230 1230 return (WALK_ERR);
1231 1231 }
1232 1232 }
1233 1233 }
1234 1234 }
1235 1235 if (coargs->flags & COF_VERBOSE) {
1236 1236 mdb_dec_indent(4);
1237 1237 }
1238 1238 return (WALK_NEXT);
1239 1239 }
1240 1240
1241 1241 /*
1242 1242 * initialize some common info for both callout dcmds.
1243 1243 */
1244 1244 int
1245 1245 callout_common_init(callout_data_t *coargs)
1246 1246 {
1247 1247 /* we need a couple of things */
1248 1248 if (mdb_readvar(&(coargs->co_table), "callout_table") == -1) {
1249 1249 mdb_warn("failed to read 'callout_table'");
1250 1250 return (DCMD_ERR);
1251 1251 }
1252 1252 /* need to get now in nsecs. Approximate with hrtime vars */
1253 1253 if (mdb_readsym(&(coargs->now), sizeof (hrtime_t), "hrtime_last") !=
1254 1254 sizeof (hrtime_t)) {
1255 1255 if (mdb_readsym(&(coargs->now), sizeof (hrtime_t),
1256 1256 "hrtime_base") != sizeof (hrtime_t)) {
1257 1257 mdb_warn("Could not determine current system time");
1258 1258 return (DCMD_ERR);
1259 1259 }
1260 1260 }
1261 1261
1262 1262 if (mdb_readvar(&(coargs->ctbits), "callout_table_bits") == -1) {
1263 1263 mdb_warn("failed to read 'callout_table_bits'");
1264 1264 return (DCMD_ERR);
1265 1265 }
1266 1266 if (mdb_readvar(&(coargs->nsec_per_tick), "nsec_per_tick") == -1) {
1267 1267 mdb_warn("failed to read 'nsec_per_tick'");
1268 1268 return (DCMD_ERR);
1269 1269 }
1270 1270 return (DCMD_OK);
1271 1271 }
1272 1272
1273 1273 /*
1274 1274 * dcmd to print callouts. Optional addr limits to specific table.
1275 1275 * Parses lots of options that get passed to callbacks for walkers.
1276 1276 * Has it's own help function.
1277 1277 */
1278 1278 /*ARGSUSED*/
1279 1279 int
1280 1280 callout(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
1281 1281 {
1282 1282 callout_data_t coargs;
1283 1283 /* getopts doesn't help much with stuff like this */
1284 1284 boolean_t Sflag, Cflag, tflag, aflag, bflag, dflag, kflag;
1285 1285 char *funcname = NULL;
1286 1286 char *paramstr = NULL;
1287 1287 uintptr_t Stmp, Ctmp; /* for getopt. */
1288 1288 int retval;
1289 1289
1290 1290 coargs.flags = COF_DEFAULT;
1291 1291 Sflag = Cflag = tflag = bflag = aflag = dflag = kflag = FALSE;
1292 1292 coargs.seqid = -1;
1293 1293
1294 1294 if (mdb_getopts(argc, argv,
1295 1295 'r', MDB_OPT_CLRBITS, COF_NORM, &coargs.flags,
1296 1296 'n', MDB_OPT_CLRBITS, COF_REAL, &coargs.flags,
1297 1297 'l', MDB_OPT_CLRBITS, COF_SHORT, &coargs.flags,
1298 1298 's', MDB_OPT_CLRBITS, COF_LONG, &coargs.flags,
1299 1299 'x', MDB_OPT_SETBITS, COF_EXEC, &coargs.flags,
1300 1300 'h', MDB_OPT_SETBITS, COF_HIRES, &coargs.flags,
1301 1301 'B', MDB_OPT_SETBITS, COF_ABS, &coargs.flags,
1302 1302 'E', MDB_OPT_SETBITS, COF_EMPTY, &coargs.flags,
1303 1303 'd', MDB_OPT_SETBITS, 1, &dflag,
1304 1304 'C', MDB_OPT_UINTPTR_SET, &Cflag, &Ctmp,
1305 1305 'S', MDB_OPT_UINTPTR_SET, &Sflag, &Stmp,
1306 1306 't', MDB_OPT_UINTPTR_SET, &tflag, (uintptr_t *)&coargs.time,
1307 1307 'a', MDB_OPT_UINTPTR_SET, &aflag, (uintptr_t *)&coargs.atime,
1308 1308 'b', MDB_OPT_UINTPTR_SET, &bflag, (uintptr_t *)&coargs.btime,
1309 1309 'k', MDB_OPT_SETBITS, 1, &kflag,
1310 1310 'f', MDB_OPT_STR, &funcname,
1311 1311 'p', MDB_OPT_STR, ¶mstr,
1312 1312 'T', MDB_OPT_SETBITS, COF_TABLE, &coargs.flags,
1313 1313 'D', MDB_OPT_SETBITS, COF_EXPREL, &coargs.flags,
1314 1314 'L', MDB_OPT_SETBITS, COF_LIST, &coargs.flags,
1315 1315 'V', MDB_OPT_SETBITS, COF_VERBOSE, &coargs.flags,
1316 1316 'v', MDB_OPT_SETBITS, COF_LONGLIST, &coargs.flags,
1317 1317 'i', MDB_OPT_SETBITS, COF_BYIDH, &coargs.flags,
1318 1318 'F', MDB_OPT_SETBITS, COF_FREE, &coargs.flags,
1319 1319 'H', MDB_OPT_SETBITS, COF_HEAP, &coargs.flags,
1320 1320 'Q', MDB_OPT_SETBITS, COF_QUEUE, &coargs.flags,
1321 1321 'A', MDB_OPT_SETBITS, COF_ADDR, &coargs.flags,
1322 1322 NULL) != argc) {
1323 1323 return (DCMD_USAGE);
1324 1324 }
1325 1325
1326 1326 /* initialize from kernel variables */
1327 1327 if ((retval = callout_common_init(&coargs)) != DCMD_OK) {
1328 1328 return (retval);
1329 1329 }
1330 1330
1331 1331 /* do some option post-processing */
1332 1332 if (kflag) {
1333 1333 coargs.time *= coargs.nsec_per_tick;
1334 1334 coargs.atime *= coargs.nsec_per_tick;
1335 1335 coargs.btime *= coargs.nsec_per_tick;
1336 1336 }
1337 1337
1338 1338 if (dflag) {
1339 1339 coargs.time += coargs.now;
1340 1340 coargs.atime += coargs.now;
1341 1341 coargs.btime += coargs.now;
1342 1342 }
1343 1343 if (Sflag) {
1344 1344 if (flags & DCMD_ADDRSPEC) {
1345 1345 mdb_printf("-S option conflicts with explicit"
1346 1346 " address\n");
1347 1347 return (DCMD_USAGE);
1348 1348 }
1349 1349 coargs.flags |= COF_SEQID;
1350 1350 coargs.seqid = (int)Stmp;
1351 1351 }
1352 1352 if (Cflag) {
1353 1353 if (flags & DCMD_ADDRSPEC) {
1354 1354 mdb_printf("-C option conflicts with explicit"
1355 1355 " address\n");
1356 1356 return (DCMD_USAGE);
1357 1357 }
1358 1358 if (coargs.flags & COF_SEQID) {
1359 1359 mdb_printf("-C and -S are mutually exclusive\n");
1360 1360 return (DCMD_USAGE);
1361 1361 }
1362 1362 coargs.cpu = (cpu_t *)Ctmp;
1363 1363 if (mdb_vread(&coargs.seqid, sizeof (processorid_t),
1364 1364 (uintptr_t)&(coargs.cpu->cpu_seqid)) == -1) {
1365 1365 mdb_warn("failed to read cpu_t at %p", Ctmp);
1366 1366 return (DCMD_ERR);
1367 1367 }
1368 1368 coargs.flags |= COF_SEQID;
1369 1369 }
1370 1370 /* avoid null outputs. */
1371 1371 if (!(coargs.flags & (COF_REAL | COF_NORM))) {
1372 1372 coargs.flags |= COF_REAL | COF_NORM;
1373 1373 }
1374 1374 if (!(coargs.flags & (COF_LONG | COF_SHORT))) {
1375 1375 coargs.flags |= COF_LONG | COF_SHORT;
1376 1376 }
1377 1377 if (tflag) {
1378 1378 if (aflag || bflag) {
1379 1379 mdb_printf("-t and -a|b are mutually exclusive\n");
1380 1380 return (DCMD_USAGE);
1381 1381 }
1382 1382 coargs.flags |= COF_TIME;
1383 1383 }
1384 1384 if (aflag) {
1385 1385 coargs.flags |= COF_AFTER;
1386 1386 }
1387 1387 if (bflag) {
1388 1388 coargs.flags |= COF_BEFORE;
1389 1389 }
1390 1390 if ((aflag && bflag) && (coargs.btime <= coargs.atime)) {
1391 1391 mdb_printf("value for -a must be earlier than the value"
1392 1392 " for -b.\n");
1393 1393 return (DCMD_USAGE);
1394 1394 }
1395 1395
1396 1396 if ((coargs.flags & COF_HEAP) && (coargs.flags & COF_QUEUE)) {
1397 1397 mdb_printf("-H and -Q are mutually exclusive\n");
1398 1398 return (DCMD_USAGE);
1399 1399 }
1400 1400
1401 1401 if (funcname != NULL) {
1402 1402 GElf_Sym sym;
1403 1403
1404 1404 if (mdb_lookup_by_name(funcname, &sym) != 0) {
1405 1405 coargs.funcaddr = mdb_strtoull(funcname);
1406 1406 } else {
1407 1407 coargs.funcaddr = sym.st_value;
1408 1408 }
1409 1409 coargs.flags |= COF_FUNC;
1410 1410 }
1411 1411
1412 1412 if (paramstr != NULL) {
1413 1413 GElf_Sym sym;
1414 1414
1415 1415 if (mdb_lookup_by_name(paramstr, &sym) != 0) {
1416 1416 coargs.param = mdb_strtoull(paramstr);
1417 1417 } else {
1418 1418 coargs.param = sym.st_value;
1419 1419 }
1420 1420 coargs.flags |= COF_PARAM;
1421 1421 }
1422 1422
1423 1423 if (!(flags & DCMD_ADDRSPEC)) {
1424 1424 /* don't pass "dot" if no addr. */
1425 1425 addr = NULL;
1426 1426 }
1427 1427 if (addr != NULL) {
1428 1428 /*
1429 1429 * a callout table was specified. Ignore -r|n option
1430 1430 * to avoid null output.
1431 1431 */
1432 1432 coargs.flags |= (COF_REAL | COF_NORM);
1433 1433 }
1434 1434
1435 1435 if (DCMD_HDRSPEC(flags) || (coargs.flags & COF_VERBOSE)) {
1436 1436 coargs.flags |= COF_THDR | COF_LHDR | COF_CHDR;
1437 1437 }
1438 1438 if (coargs.flags & COF_FREE) {
1439 1439 coargs.flags |= COF_EMPTY;
1440 1440 /* -F = free callouts, -FL = free lists */
1441 1441 if (!(coargs.flags & COF_LIST)) {
1442 1442 coargs.flags |= COF_BYIDH;
1443 1443 }
1444 1444 }
1445 1445
1446 1446 /* walk table, using specialized callback routine. */
1447 1447 if (mdb_pwalk("callout_table", callout_t_cb, &coargs, addr) == -1) {
1448 1448 mdb_warn("cannot walk callout_table");
1449 1449 return (DCMD_ERR);
1450 1450 }
1451 1451 return (DCMD_OK);
1452 1452 }
1453 1453
1454 1454
1455 1455 /*
1456 1456 * Given an extended callout id, dump its information.
1457 1457 */
1458 1458 /*ARGSUSED*/
1459 1459 int
1460 1460 calloutid(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
1461 1461 {
1462 1462 callout_data_t coargs;
1463 1463 callout_table_t *ctptr;
1464 1464 callout_table_t ct;
1465 1465 callout_id_t coid;
1466 1466 callout_t *coptr;
1467 1467 int tableid;
1468 1468 callout_id_t xid;
1469 1469 ulong_t idhash;
1470 1470 int i, retval;
1471 1471 const mdb_arg_t *arg;
1472 1472 size_t size;
1473 1473 callout_hash_t cot_idhash[CALLOUT_BUCKETS];
1474 1474
1475 1475 coargs.flags = COF_DEFAULT | COF_BYIDH;
1476 1476 i = mdb_getopts(argc, argv,
1477 1477 'd', MDB_OPT_SETBITS, COF_DECODE, &coargs.flags,
1478 1478 'v', MDB_OPT_SETBITS, COF_LONGLIST, &coargs.flags,
1479 1479 NULL);
1480 1480 argc -= i;
1481 1481 argv += i;
1482 1482
1483 1483 if (argc != 1) {
1484 1484 return (DCMD_USAGE);
1485 1485 }
1486 1486 arg = &argv[0];
1487 1487
1488 1488 if (arg->a_type == MDB_TYPE_IMMEDIATE) {
1489 1489 xid = arg->a_un.a_val;
1490 1490 } else {
1491 1491 xid = (callout_id_t)mdb_strtoull(arg->a_un.a_str);
1492 1492 }
1493 1493
1494 1494 if (DCMD_HDRSPEC(flags)) {
1495 1495 coargs.flags |= COF_CHDR;
1496 1496 }
1497 1497
1498 1498
1499 1499 /* initialize from kernel variables */
1500 1500 if ((retval = callout_common_init(&coargs)) != DCMD_OK) {
1501 1501 return (retval);
1502 1502 }
1503 1503
1504 1504 /* we must massage the environment so that the macros will play nice */
1505 1505 #define callout_table_mask ((1 << coargs.ctbits) - 1)
1506 1506 #define callout_table_bits coargs.ctbits
1507 1507 #define nsec_per_tick coargs.nsec_per_tick
1508 1508 tableid = CALLOUT_ID_TO_TABLE(xid);
1509 1509 idhash = CALLOUT_IDHASH(xid);
1510 1510 #undef callouts_table_bits
1511 1511 #undef callout_table_mask
1512 1512 #undef nsec_per_tick
1513 1513 coid = CO_PLAIN_ID(xid);
1514 1514
1515 1515 if (flags & DCMD_ADDRSPEC) {
1516 1516 mdb_printf("calloutid does not accept explicit address.\n");
1517 1517 return (DCMD_USAGE);
1518 1518 }
1519 1519
1520 1520 if (coargs.flags & COF_DECODE) {
1521 1521 if (DCMD_HDRSPEC(flags)) {
1522 1522 mdb_printf("%<u>%3s %1s %2s %-?s %-6s %</u>\n",
1523 1523 "SEQ", "T", "XL", "XID", "IDHASH");
1524 1524 }
1525 1525 mdb_printf("%-3d %1s %1s%1s %-?llx %-6d\n",
1526 1526 TABLE_TO_SEQID(tableid),
1527 1527 co_typenames[tableid & CALLOUT_TYPE_MASK],
1528 1528 (xid & CALLOUT_EXECUTING) ? "X" : " ",
1529 1529 (xid & CALLOUT_LONGTERM) ? "L" : " ",
1530 1530 (long long)coid, idhash);
1531 1531 return (DCMD_OK);
1532 1532 }
1533 1533
1534 1534 /* get our table. Note this relies on the types being correct */
1535 1535 ctptr = coargs.co_table + tableid;
1536 1536 if (mdb_vread(&ct, sizeof (callout_table_t), (uintptr_t)ctptr) == -1) {
1537 1537 mdb_warn("failed to read callout_table at %p", ctptr);
1538 1538 return (DCMD_ERR);
1539 1539 }
1540 1540 size = sizeof (callout_hash_t) * CALLOUT_BUCKETS;
1541 1541 if (ct.ct_idhash != NULL) {
1542 1542 if (mdb_vread(&(cot_idhash), size,
1543 1543 (uintptr_t)ct.ct_idhash) == -1) {
1544 1544 mdb_warn("failed to read id_hash at %p",
1545 1545 ct.ct_idhash);
1546 1546 return (WALK_ERR);
1547 1547 }
1548 1548 }
1549 1549
1550 1550 /* callout at beginning of hash chain */
1551 1551 if (ct.ct_idhash == NULL) {
1552 1552 mdb_printf("id hash chain for this xid is empty\n");
1553 1553 return (DCMD_ERR);
1554 1554 }
1555 1555 coptr = (callout_t *)cot_idhash[idhash].ch_head;
1556 1556 if (coptr == NULL) {
1557 1557 mdb_printf("id hash chain for this xid is empty\n");
1558 1558 return (DCMD_ERR);
1559 1559 }
1560 1560
1561 1561 coargs.ndx = tableid;
1562 1562 coargs.bucket = idhash;
1563 1563
1564 1564 /* use the walker, luke */
1565 1565 if (mdb_pwalk("callouts_byid", callouts_cb, &coargs,
1566 1566 (uintptr_t)coptr) == -1) {
1567 1567 mdb_warn("cannot walk callouts at %p", coptr);
1568 1568 return (WALK_ERR);
1569 1569 }
1570 1570
1571 1571 return (DCMD_OK);
1572 1572 }
1573 1573
1574 1574 void
1575 1575 callout_help(void)
1576 1576 {
1577 1577 mdb_printf("callout: display callouts.\n"
1578 1578 "Given a callout table address, display callouts from table.\n"
1579 1579 "Without an address, display callouts from all tables.\n"
1580 1580 "options:\n"
1581 1581 " -r|n : limit display to (r)ealtime or (n)ormal type callouts\n"
1582 1582 " -s|l : limit display to (s)hort-term ids or (l)ong-term ids\n"
1583 1583 " -x : limit display to callouts which are executing\n"
1584 1584 " -h : limit display to callouts based on hrestime\n"
1585 1585 " -B : limit display to callouts based on absolute time\n"
1586 1586 " -t|a|b nsec: limit display to callouts that expire a(t) time,"
1587 1587 " (a)fter time,\n or (b)efore time. Use -a and -b together "
1588 1588 " to specify a range.\n For \"now\", use -d[t|a|b] 0.\n"
1589 1589 " -d : interpret time option to -t|a|b as delta from current time\n"
1590 1590 " -k : use ticks instead of nanoseconds as arguments to"
1591 1591 " -t|a|b. Note that\n ticks are less accurate and may not"
1592 1592 " match other tick times (ie: lbolt).\n"
1593 1593 " -D : display exiration time as delta from current time\n"
1594 1594 " -S seqid : limit display to callouts for this cpu sequence id\n"
1595 1595 " -C addr : limit display to callouts for this cpu pointer\n"
1596 1596 " -f name|addr : limit display to callouts with this function\n"
1597 1597 " -p name|addr : limit display to callouts functions with this"
1598 1598 " parameter\n"
1599 1599 " -T : display the callout table itself, instead of callouts\n"
1600 1600 " -L : display callout lists instead of callouts\n"
1601 1601 " -E : with -T or L, display empty data structures.\n"
1602 1602 " -i : traverse callouts by id hash instead of list hash\n"
1603 1603 " -F : walk free callout list (free list with -i) instead\n"
1604 1604 " -v : display more info for each item\n"
1605 1605 " -V : show details of each level of info as it is traversed\n"
1606 1606 " -H : limit display to callouts in the callout heap\n"
1607 1607 " -Q : limit display to callouts in the callout queue\n"
1608 1608 " -A : show only addresses. Useful for pipelines.\n");
1609 1609 }
1610 1610
1611 1611 void
1612 1612 calloutid_help(void)
1613 1613 {
1614 1614 mdb_printf("calloutid: display callout by id.\n"
1615 1615 "Given an extended callout id, display the callout infomation.\n"
1616 1616 "options:\n"
1617 1617 " -d : do not dereference callout, just decode the id.\n"
1618 1618 " -v : verbose display more info about the callout\n");
1619 1619 }
1620 1620
1621 1621 /*ARGSUSED*/
1622 1622 int
1623 1623 class(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
1624 1624 {
1625 1625 long num_classes, i;
1626 1626 sclass_t *class_tbl;
1627 1627 GElf_Sym g_sclass;
1628 1628 char class_name[PC_CLNMSZ];
1629 1629 size_t tbl_size;
1630 1630
1631 1631 if (mdb_lookup_by_name("sclass", &g_sclass) == -1) {
1632 1632 mdb_warn("failed to find symbol sclass\n");
1633 1633 return (DCMD_ERR);
1634 1634 }
1635 1635
1636 1636 tbl_size = (size_t)g_sclass.st_size;
1637 1637 num_classes = tbl_size / (sizeof (sclass_t));
1638 1638 class_tbl = mdb_alloc(tbl_size, UM_SLEEP | UM_GC);
1639 1639
1640 1640 if (mdb_readsym(class_tbl, tbl_size, "sclass") == -1) {
1641 1641 mdb_warn("failed to read sclass");
1642 1642 return (DCMD_ERR);
1643 1643 }
1644 1644
1645 1645 mdb_printf("%<u>%4s %-10s %-24s %-24s%</u>\n", "SLOT", "NAME",
1646 1646 "INIT FCN", "CLASS FCN");
1647 1647
1648 1648 for (i = 0; i < num_classes; i++) {
1649 1649 if (mdb_vread(class_name, sizeof (class_name),
1650 1650 (uintptr_t)class_tbl[i].cl_name) == -1)
1651 1651 (void) strcpy(class_name, "???");
1652 1652
1653 1653 mdb_printf("%4ld %-10s %-24a %-24a\n", i, class_name,
1654 1654 class_tbl[i].cl_init, class_tbl[i].cl_funcs);
1655 1655 }
1656 1656
1657 1657 return (DCMD_OK);
1658 1658 }
1659 1659
1660 1660 #define FSNAMELEN 32 /* Max len of FS name we read from vnodeops */
1661 1661
1662 1662 int
1663 1663 vnode2path(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
1664 1664 {
1665 1665 uintptr_t rootdir;
1666 1666 vnode_t vn;
1667 1667 char buf[MAXPATHLEN];
1668 1668
1669 1669 uint_t opt_F = FALSE;
1670 1670
1671 1671 if (mdb_getopts(argc, argv,
1672 1672 'F', MDB_OPT_SETBITS, TRUE, &opt_F, NULL) != argc)
1673 1673 return (DCMD_USAGE);
1674 1674
1675 1675 if (!(flags & DCMD_ADDRSPEC)) {
1676 1676 mdb_warn("expected explicit vnode_t address before ::\n");
1677 1677 return (DCMD_USAGE);
1678 1678 }
1679 1679
1680 1680 if (mdb_readvar(&rootdir, "rootdir") == -1) {
1681 1681 mdb_warn("failed to read rootdir");
1682 1682 return (DCMD_ERR);
1683 1683 }
1684 1684
1685 1685 if (mdb_vnode2path(addr, buf, sizeof (buf)) == -1)
1686 1686 return (DCMD_ERR);
1687 1687
1688 1688 if (*buf == '\0') {
1689 1689 mdb_printf("??\n");
1690 1690 return (DCMD_OK);
1691 1691 }
1692 1692
1693 1693 mdb_printf("%s", buf);
1694 1694 if (opt_F && buf[strlen(buf)-1] != '/' &&
1695 1695 mdb_vread(&vn, sizeof (vn), addr) == sizeof (vn))
1696 1696 mdb_printf("%c", mdb_vtype2chr(vn.v_type, 0));
1697 1697 mdb_printf("\n");
1698 1698
1699 1699 return (DCMD_OK);
1700 1700 }
1701 1701
1702 1702 int
1703 1703 ld_walk_init(mdb_walk_state_t *wsp)
1704 1704 {
1705 1705 wsp->walk_data = (void *)wsp->walk_addr;
1706 1706 return (WALK_NEXT);
1707 1707 }
1708 1708
1709 1709 int
1710 1710 ld_walk_step(mdb_walk_state_t *wsp)
1711 1711 {
1712 1712 int status;
1713 1713 lock_descriptor_t ld;
1714 1714
1715 1715 if (mdb_vread(&ld, sizeof (lock_descriptor_t), wsp->walk_addr) == -1) {
1716 1716 mdb_warn("couldn't read lock_descriptor_t at %p\n",
1717 1717 wsp->walk_addr);
1718 1718 return (WALK_ERR);
1719 1719 }
1720 1720
1721 1721 status = wsp->walk_callback(wsp->walk_addr, &ld, wsp->walk_cbdata);
1722 1722 if (status == WALK_ERR)
1723 1723 return (WALK_ERR);
1724 1724
1725 1725 wsp->walk_addr = (uintptr_t)ld.l_next;
1726 1726 if (wsp->walk_addr == (uintptr_t)wsp->walk_data)
1727 1727 return (WALK_DONE);
1728 1728
1729 1729 return (status);
1730 1730 }
1731 1731
1732 1732 int
1733 1733 lg_walk_init(mdb_walk_state_t *wsp)
1734 1734 {
1735 1735 GElf_Sym sym;
1736 1736
1737 1737 if (mdb_lookup_by_name("lock_graph", &sym) == -1) {
1738 1738 mdb_warn("failed to find symbol 'lock_graph'\n");
1739 1739 return (WALK_ERR);
1740 1740 }
1741 1741
1742 1742 wsp->walk_addr = (uintptr_t)sym.st_value;
1743 1743 wsp->walk_data = (void *)(uintptr_t)(sym.st_value + sym.st_size);
1744 1744
1745 1745 return (WALK_NEXT);
1746 1746 }
1747 1747
1748 1748 typedef struct lg_walk_data {
1749 1749 uintptr_t startaddr;
1750 1750 mdb_walk_cb_t callback;
1751 1751 void *data;
1752 1752 } lg_walk_data_t;
1753 1753
1754 1754 /*
1755 1755 * We can't use ::walk lock_descriptor directly, because the head of each graph
1756 1756 * is really a dummy lock. Rather than trying to dynamically determine if this
1757 1757 * is a dummy node or not, we just filter out the initial element of the
1758 1758 * list.
1759 1759 */
1760 1760 static int
1761 1761 lg_walk_cb(uintptr_t addr, const void *data, void *priv)
1762 1762 {
1763 1763 lg_walk_data_t *lw = priv;
1764 1764
1765 1765 if (addr != lw->startaddr)
1766 1766 return (lw->callback(addr, data, lw->data));
1767 1767
1768 1768 return (WALK_NEXT);
1769 1769 }
1770 1770
1771 1771 int
1772 1772 lg_walk_step(mdb_walk_state_t *wsp)
1773 1773 {
1774 1774 graph_t *graph;
1775 1775 lg_walk_data_t lw;
1776 1776
1777 1777 if (wsp->walk_addr >= (uintptr_t)wsp->walk_data)
1778 1778 return (WALK_DONE);
1779 1779
1780 1780 if (mdb_vread(&graph, sizeof (graph), wsp->walk_addr) == -1) {
1781 1781 mdb_warn("failed to read graph_t at %p", wsp->walk_addr);
1782 1782 return (WALK_ERR);
1783 1783 }
1784 1784
1785 1785 wsp->walk_addr += sizeof (graph);
1786 1786
1787 1787 if (graph == NULL)
1788 1788 return (WALK_NEXT);
1789 1789
1790 1790 lw.callback = wsp->walk_callback;
1791 1791 lw.data = wsp->walk_cbdata;
1792 1792
1793 1793 lw.startaddr = (uintptr_t)&(graph->active_locks);
1794 1794 if (mdb_pwalk("lock_descriptor", lg_walk_cb, &lw, lw.startaddr)) {
1795 1795 mdb_warn("couldn't walk lock_descriptor at %p\n", lw.startaddr);
1796 1796 return (WALK_ERR);
1797 1797 }
1798 1798
1799 1799 lw.startaddr = (uintptr_t)&(graph->sleeping_locks);
1800 1800 if (mdb_pwalk("lock_descriptor", lg_walk_cb, &lw, lw.startaddr)) {
1801 1801 mdb_warn("couldn't walk lock_descriptor at %p\n", lw.startaddr);
1802 1802 return (WALK_ERR);
1803 1803 }
1804 1804
1805 1805 return (WALK_NEXT);
1806 1806 }
1807 1807
1808 1808 /*
1809 1809 * The space available for the path corresponding to the locked vnode depends
1810 1810 * on whether we are printing 32- or 64-bit addresses.
1811 1811 */
1812 1812 #ifdef _LP64
1813 1813 #define LM_VNPATHLEN 20
1814 1814 #else
1815 1815 #define LM_VNPATHLEN 30
1816 1816 #endif
1817 1817
1818 1818 /*ARGSUSED*/
1819 1819 static int
1820 1820 lminfo_cb(uintptr_t addr, const void *data, void *priv)
1821 1821 {
1822 1822 const lock_descriptor_t *ld = data;
1823 1823 char buf[LM_VNPATHLEN];
1824 1824 proc_t p;
1825 1825
1826 1826 mdb_printf("%-?p %2s %04x %6d %-16s %-?p ",
1827 1827 addr, ld->l_type == F_RDLCK ? "RD" :
1828 1828 ld->l_type == F_WRLCK ? "WR" : "??",
1829 1829 ld->l_state, ld->l_flock.l_pid,
1830 1830 ld->l_flock.l_pid == 0 ? "<kernel>" :
1831 1831 mdb_pid2proc(ld->l_flock.l_pid, &p) == NULL ?
1832 1832 "<defunct>" : p.p_user.u_comm,
1833 1833 ld->l_vnode);
1834 1834
1835 1835 mdb_vnode2path((uintptr_t)ld->l_vnode, buf,
1836 1836 sizeof (buf));
1837 1837 mdb_printf("%s\n", buf);
1838 1838
1839 1839 return (WALK_NEXT);
1840 1840 }
1841 1841
1842 1842 /*ARGSUSED*/
1843 1843 int
1844 1844 lminfo(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
1845 1845 {
1846 1846 if (DCMD_HDRSPEC(flags))
1847 1847 mdb_printf("%<u>%-?s %2s %4s %6s %-16s %-?s %s%</u>\n",
1848 1848 "ADDR", "TP", "FLAG", "PID", "COMM", "VNODE", "PATH");
1849 1849
1850 1850 return (mdb_pwalk("lock_graph", lminfo_cb, NULL, NULL));
1851 1851 }
1852 1852
1853 1853 /*ARGSUSED*/
1854 1854 int
1855 1855 whereopen_fwalk(uintptr_t addr, struct file *f, uintptr_t *target)
1856 1856 {
1857 1857 if ((uintptr_t)f->f_vnode == *target) {
1858 1858 mdb_printf("file %p\n", addr);
1859 1859 *target = NULL;
1860 1860 }
1861 1861
1862 1862 return (WALK_NEXT);
1863 1863 }
1864 1864
1865 1865 /*ARGSUSED*/
1866 1866 int
1867 1867 whereopen_pwalk(uintptr_t addr, void *ignored, uintptr_t *target)
1868 1868 {
1869 1869 uintptr_t t = *target;
1870 1870
1871 1871 if (mdb_pwalk("file", (mdb_walk_cb_t)whereopen_fwalk, &t, addr) == -1) {
1872 1872 mdb_warn("couldn't file walk proc %p", addr);
1873 1873 return (WALK_ERR);
1874 1874 }
1875 1875
1876 1876 if (t == NULL)
1877 1877 mdb_printf("%p\n", addr);
1878 1878
1879 1879 return (WALK_NEXT);
1880 1880 }
1881 1881
1882 1882 /*ARGSUSED*/
1883 1883 int
1884 1884 whereopen(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
1885 1885 {
1886 1886 uintptr_t target = addr;
1887 1887
1888 1888 if (!(flags & DCMD_ADDRSPEC) || addr == NULL)
1889 1889 return (DCMD_USAGE);
1890 1890
1891 1891 if (mdb_walk("proc", (mdb_walk_cb_t)whereopen_pwalk, &target) == -1) {
1892 1892 mdb_warn("can't proc walk");
1893 1893 return (DCMD_ERR);
1894 1894 }
1895 1895
1896 1896 return (DCMD_OK);
1897 1897 }
1898 1898
1899 1899 typedef struct datafmt {
1900 1900 char *hdr1;
1901 1901 char *hdr2;
1902 1902 char *dashes;
1903 1903 char *fmt;
1904 1904 } datafmt_t;
1905 1905
1906 1906 static datafmt_t kmemfmt[] = {
1907 1907 { "cache ", "name ",
1908 1908 "-------------------------", "%-25s " },
1909 1909 { " buf", " size", "------", "%6u " },
1910 1910 { " buf", "in use", "------", "%6u " },
1911 1911 { " buf", " total", "------", "%6u " },
1912 1912 { " memory", " in use", "----------", "%10lu%c " },
1913 1913 { " alloc", " succeed", "---------", "%9u " },
1914 1914 { "alloc", " fail", "-----", "%5u " },
1915 1915 { NULL, NULL, NULL, NULL }
1916 1916 };
1917 1917
1918 1918 static datafmt_t vmemfmt[] = {
1919 1919 { "vmem ", "name ",
1920 1920 "-------------------------", "%-*s " },
1921 1921 { " memory", " in use", "----------", "%9llu%c " },
1922 1922 { " memory", " total", "-----------", "%10llu%c " },
1923 1923 { " memory", " import", "----------", "%9llu%c " },
1924 1924 { " alloc", " succeed", "---------", "%9llu " },
1925 1925 { "alloc", " fail", "-----", "%5llu " },
1926 1926 { NULL, NULL, NULL, NULL }
1927 1927 };
1928 1928
1929 1929 /*ARGSUSED*/
1930 1930 static int
1931 1931 kmastat_cpu_avail(uintptr_t addr, const kmem_cpu_cache_t *ccp, int *avail)
1932 1932 {
1933 1933 short rounds, prounds;
1934 1934
1935 1935 if (KMEM_DUMPCC(ccp)) {
1936 1936 rounds = ccp->cc_dump_rounds;
1937 1937 prounds = ccp->cc_dump_prounds;
1938 1938 } else {
1939 1939 rounds = ccp->cc_rounds;
1940 1940 prounds = ccp->cc_prounds;
1941 1941 }
1942 1942 if (rounds > 0)
1943 1943 *avail += rounds;
1944 1944 if (prounds > 0)
1945 1945 *avail += prounds;
1946 1946
1947 1947 return (WALK_NEXT);
1948 1948 }
1949 1949
1950 1950 /*ARGSUSED*/
1951 1951 static int
1952 1952 kmastat_cpu_alloc(uintptr_t addr, const kmem_cpu_cache_t *ccp, int *alloc)
1953 1953 {
1954 1954 *alloc += ccp->cc_alloc;
1955 1955
1956 1956 return (WALK_NEXT);
1957 1957 }
1958 1958
1959 1959 /*ARGSUSED*/
1960 1960 static int
1961 1961 kmastat_slab_avail(uintptr_t addr, const kmem_slab_t *sp, int *avail)
1962 1962 {
1963 1963 *avail += sp->slab_chunks - sp->slab_refcnt;
1964 1964
1965 1965 return (WALK_NEXT);
1966 1966 }
1967 1967
1968 1968 typedef struct kmastat_vmem {
1969 1969 uintptr_t kv_addr;
1970 1970 struct kmastat_vmem *kv_next;
1971 1971 size_t kv_meminuse;
1972 1972 int kv_alloc;
1973 1973 int kv_fail;
1974 1974 } kmastat_vmem_t;
1975 1975
1976 1976 typedef struct kmastat_args {
1977 1977 kmastat_vmem_t **ka_kvpp;
1978 1978 uint_t ka_shift;
1979 1979 } kmastat_args_t;
1980 1980
1981 1981 static int
1982 1982 kmastat_cache(uintptr_t addr, const kmem_cache_t *cp, kmastat_args_t *kap)
1983 1983 {
1984 1984 kmastat_vmem_t **kvpp = kap->ka_kvpp;
1985 1985 kmastat_vmem_t *kv;
1986 1986 datafmt_t *dfp = kmemfmt;
1987 1987 int magsize;
1988 1988
1989 1989 int avail, alloc, total;
1990 1990 size_t meminuse = (cp->cache_slab_create - cp->cache_slab_destroy) *
1991 1991 cp->cache_slabsize;
1992 1992
1993 1993 mdb_walk_cb_t cpu_avail = (mdb_walk_cb_t)kmastat_cpu_avail;
1994 1994 mdb_walk_cb_t cpu_alloc = (mdb_walk_cb_t)kmastat_cpu_alloc;
1995 1995 mdb_walk_cb_t slab_avail = (mdb_walk_cb_t)kmastat_slab_avail;
1996 1996
1997 1997 magsize = kmem_get_magsize(cp);
1998 1998
1999 1999 alloc = cp->cache_slab_alloc + cp->cache_full.ml_alloc;
2000 2000 avail = cp->cache_full.ml_total * magsize;
2001 2001 total = cp->cache_buftotal;
2002 2002
2003 2003 (void) mdb_pwalk("kmem_cpu_cache", cpu_alloc, &alloc, addr);
2004 2004 (void) mdb_pwalk("kmem_cpu_cache", cpu_avail, &avail, addr);
2005 2005 (void) mdb_pwalk("kmem_slab_partial", slab_avail, &avail, addr);
2006 2006
2007 2007 for (kv = *kvpp; kv != NULL; kv = kv->kv_next) {
2008 2008 if (kv->kv_addr == (uintptr_t)cp->cache_arena)
2009 2009 goto out;
2010 2010 }
2011 2011
2012 2012 kv = mdb_zalloc(sizeof (kmastat_vmem_t), UM_SLEEP | UM_GC);
2013 2013 kv->kv_next = *kvpp;
2014 2014 kv->kv_addr = (uintptr_t)cp->cache_arena;
2015 2015 *kvpp = kv;
2016 2016 out:
2017 2017 kv->kv_meminuse += meminuse;
2018 2018 kv->kv_alloc += alloc;
2019 2019 kv->kv_fail += cp->cache_alloc_fail;
2020 2020
2021 2021 mdb_printf((dfp++)->fmt, cp->cache_name);
2022 2022 mdb_printf((dfp++)->fmt, cp->cache_bufsize);
2023 2023 mdb_printf((dfp++)->fmt, total - avail);
2024 2024 mdb_printf((dfp++)->fmt, total);
2025 2025 mdb_printf((dfp++)->fmt, meminuse >> kap->ka_shift,
2026 2026 kap->ka_shift == GIGS ? 'G' : kap->ka_shift == MEGS ? 'M' :
2027 2027 kap->ka_shift == KILOS ? 'K' : 'B');
2028 2028 mdb_printf((dfp++)->fmt, alloc);
2029 2029 mdb_printf((dfp++)->fmt, cp->cache_alloc_fail);
2030 2030 mdb_printf("\n");
2031 2031
2032 2032 return (WALK_NEXT);
2033 2033 }
2034 2034
2035 2035 static int
2036 2036 kmastat_vmem_totals(uintptr_t addr, const vmem_t *v, kmastat_args_t *kap)
2037 2037 {
2038 2038 kmastat_vmem_t *kv = *kap->ka_kvpp;
2039 2039 size_t len;
2040 2040
2041 2041 while (kv != NULL && kv->kv_addr != addr)
2042 2042 kv = kv->kv_next;
2043 2043
2044 2044 if (kv == NULL || kv->kv_alloc == 0)
2045 2045 return (WALK_NEXT);
2046 2046
2047 2047 len = MIN(17, strlen(v->vm_name));
2048 2048
2049 2049 mdb_printf("Total [%s]%*s %6s %6s %6s %10lu%c %9u %5u\n", v->vm_name,
2050 2050 17 - len, "", "", "", "",
2051 2051 kv->kv_meminuse >> kap->ka_shift,
2052 2052 kap->ka_shift == GIGS ? 'G' : kap->ka_shift == MEGS ? 'M' :
2053 2053 kap->ka_shift == KILOS ? 'K' : 'B', kv->kv_alloc, kv->kv_fail);
2054 2054
2055 2055 return (WALK_NEXT);
2056 2056 }
2057 2057
2058 2058 /*ARGSUSED*/
2059 2059 static int
2060 2060 kmastat_vmem(uintptr_t addr, const vmem_t *v, const uint_t *shiftp)
2061 2061 {
2062 2062 datafmt_t *dfp = vmemfmt;
2063 2063 const vmem_kstat_t *vkp = &v->vm_kstat;
2064 2064 uintptr_t paddr;
2065 2065 vmem_t parent;
2066 2066 int ident = 0;
2067 2067
2068 2068 for (paddr = (uintptr_t)v->vm_source; paddr != NULL; ident += 4) {
2069 2069 if (mdb_vread(&parent, sizeof (parent), paddr) == -1) {
2070 2070 mdb_warn("couldn't trace %p's ancestry", addr);
2071 2071 ident = 0;
2072 2072 break;
2073 2073 }
2074 2074 paddr = (uintptr_t)parent.vm_source;
2075 2075 }
2076 2076
2077 2077 mdb_printf("%*s", ident, "");
2078 2078 mdb_printf((dfp++)->fmt, 25 - ident, v->vm_name);
2079 2079 mdb_printf((dfp++)->fmt, vkp->vk_mem_inuse.value.ui64 >> *shiftp,
2080 2080 *shiftp == GIGS ? 'G' : *shiftp == MEGS ? 'M' :
2081 2081 *shiftp == KILOS ? 'K' : 'B');
2082 2082 mdb_printf((dfp++)->fmt, vkp->vk_mem_total.value.ui64 >> *shiftp,
2083 2083 *shiftp == GIGS ? 'G' : *shiftp == MEGS ? 'M' :
2084 2084 *shiftp == KILOS ? 'K' : 'B');
2085 2085 mdb_printf((dfp++)->fmt, vkp->vk_mem_import.value.ui64 >> *shiftp,
2086 2086 *shiftp == GIGS ? 'G' : *shiftp == MEGS ? 'M' :
2087 2087 *shiftp == KILOS ? 'K' : 'B');
2088 2088 mdb_printf((dfp++)->fmt, vkp->vk_alloc.value.ui64);
2089 2089 mdb_printf((dfp++)->fmt, vkp->vk_fail.value.ui64);
2090 2090
2091 2091 mdb_printf("\n");
2092 2092
2093 2093 return (WALK_NEXT);
2094 2094 }
2095 2095
2096 2096 /*ARGSUSED*/
2097 2097 int
2098 2098 kmastat(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
2099 2099 {
2100 2100 kmastat_vmem_t *kv = NULL;
2101 2101 datafmt_t *dfp;
2102 2102 kmastat_args_t ka;
2103 2103
2104 2104 ka.ka_shift = 0;
2105 2105 if (mdb_getopts(argc, argv,
2106 2106 'k', MDB_OPT_SETBITS, KILOS, &ka.ka_shift,
2107 2107 'm', MDB_OPT_SETBITS, MEGS, &ka.ka_shift,
2108 2108 'g', MDB_OPT_SETBITS, GIGS, &ka.ka_shift, NULL) != argc)
2109 2109 return (DCMD_USAGE);
2110 2110
2111 2111 for (dfp = kmemfmt; dfp->hdr1 != NULL; dfp++)
2112 2112 mdb_printf("%s ", dfp->hdr1);
2113 2113 mdb_printf("\n");
2114 2114
2115 2115 for (dfp = kmemfmt; dfp->hdr1 != NULL; dfp++)
2116 2116 mdb_printf("%s ", dfp->hdr2);
2117 2117 mdb_printf("\n");
2118 2118
2119 2119 for (dfp = kmemfmt; dfp->hdr1 != NULL; dfp++)
2120 2120 mdb_printf("%s ", dfp->dashes);
2121 2121 mdb_printf("\n");
2122 2122
2123 2123 ka.ka_kvpp = &kv;
2124 2124 if (mdb_walk("kmem_cache", (mdb_walk_cb_t)kmastat_cache, &ka) == -1) {
2125 2125 mdb_warn("can't walk 'kmem_cache'");
2126 2126 return (DCMD_ERR);
2127 2127 }
2128 2128
2129 2129 for (dfp = kmemfmt; dfp->hdr1 != NULL; dfp++)
2130 2130 mdb_printf("%s ", dfp->dashes);
2131 2131 mdb_printf("\n");
2132 2132
2133 2133 if (mdb_walk("vmem", (mdb_walk_cb_t)kmastat_vmem_totals, &ka) == -1) {
2134 2134 mdb_warn("can't walk 'vmem'");
2135 2135 return (DCMD_ERR);
2136 2136 }
2137 2137
2138 2138 for (dfp = kmemfmt; dfp->hdr1 != NULL; dfp++)
2139 2139 mdb_printf("%s ", dfp->dashes);
2140 2140 mdb_printf("\n");
2141 2141
2142 2142 mdb_printf("\n");
2143 2143
2144 2144 for (dfp = vmemfmt; dfp->hdr1 != NULL; dfp++)
2145 2145 mdb_printf("%s ", dfp->hdr1);
2146 2146 mdb_printf("\n");
2147 2147
2148 2148 for (dfp = vmemfmt; dfp->hdr1 != NULL; dfp++)
2149 2149 mdb_printf("%s ", dfp->hdr2);
2150 2150 mdb_printf("\n");
2151 2151
2152 2152 for (dfp = vmemfmt; dfp->hdr1 != NULL; dfp++)
2153 2153 mdb_printf("%s ", dfp->dashes);
2154 2154 mdb_printf("\n");
2155 2155
2156 2156 if (mdb_walk("vmem", (mdb_walk_cb_t)kmastat_vmem, &ka.ka_shift) == -1) {
2157 2157 mdb_warn("can't walk 'vmem'");
2158 2158 return (DCMD_ERR);
2159 2159 }
2160 2160
2161 2161 for (dfp = vmemfmt; dfp->hdr1 != NULL; dfp++)
2162 2162 mdb_printf("%s ", dfp->dashes);
2163 2163 mdb_printf("\n");
2164 2164 return (DCMD_OK);
2165 2165 }
2166 2166
2167 2167 /*
2168 2168 * Our ::kgrep callback scans the entire kernel VA space (kas). kas is made
2169 2169 * up of a set of 'struct seg's. We could just scan each seg en masse, but
2170 2170 * unfortunately, a few of the segs are both large and sparse, so we could
2171 2171 * spend quite a bit of time scanning VAs which have no backing pages.
2172 2172 *
2173 2173 * So for the few very sparse segs, we skip the segment itself, and scan
2174 2174 * the allocated vmem_segs in the vmem arena which manages that part of kas.
2175 2175 * Currently, we do this for:
2176 2176 *
2177 2177 * SEG VMEM ARENA
2178 2178 * kvseg heap_arena
2179 2179 * kvseg32 heap32_arena
2180 2180 * kvseg_core heap_core_arena
2181 2181 *
2182 2182 * In addition, we skip the segkpm segment in its entirety, since it is very
2183 2183 * sparse, and contains no new kernel data.
2184 2184 */
2185 2185 typedef struct kgrep_walk_data {
2186 2186 kgrep_cb_func *kg_cb;
2187 2187 void *kg_cbdata;
2188 2188 uintptr_t kg_kvseg;
2189 2189 uintptr_t kg_kvseg32;
2190 2190 uintptr_t kg_kvseg_core;
2191 2191 uintptr_t kg_segkpm;
2192 2192 uintptr_t kg_heap_lp_base;
2193 2193 uintptr_t kg_heap_lp_end;
2194 2194 } kgrep_walk_data_t;
2195 2195
2196 2196 static int
2197 2197 kgrep_walk_seg(uintptr_t addr, const struct seg *seg, kgrep_walk_data_t *kg)
2198 2198 {
2199 2199 uintptr_t base = (uintptr_t)seg->s_base;
2200 2200
2201 2201 if (addr == kg->kg_kvseg || addr == kg->kg_kvseg32 ||
2202 2202 addr == kg->kg_kvseg_core)
2203 2203 return (WALK_NEXT);
2204 2204
2205 2205 if ((uintptr_t)seg->s_ops == kg->kg_segkpm)
2206 2206 return (WALK_NEXT);
2207 2207
2208 2208 return (kg->kg_cb(base, base + seg->s_size, kg->kg_cbdata));
2209 2209 }
2210 2210
2211 2211 /*ARGSUSED*/
2212 2212 static int
2213 2213 kgrep_walk_vseg(uintptr_t addr, const vmem_seg_t *seg, kgrep_walk_data_t *kg)
2214 2214 {
2215 2215 /*
2216 2216 * skip large page heap address range - it is scanned by walking
2217 2217 * allocated vmem_segs in the heap_lp_arena
2218 2218 */
2219 2219 if (seg->vs_start == kg->kg_heap_lp_base &&
2220 2220 seg->vs_end == kg->kg_heap_lp_end)
2221 2221 return (WALK_NEXT);
2222 2222
2223 2223 return (kg->kg_cb(seg->vs_start, seg->vs_end, kg->kg_cbdata));
2224 2224 }
2225 2225
2226 2226 /*ARGSUSED*/
2227 2227 static int
2228 2228 kgrep_xwalk_vseg(uintptr_t addr, const vmem_seg_t *seg, kgrep_walk_data_t *kg)
2229 2229 {
2230 2230 return (kg->kg_cb(seg->vs_start, seg->vs_end, kg->kg_cbdata));
2231 2231 }
2232 2232
2233 2233 static int
2234 2234 kgrep_walk_vmem(uintptr_t addr, const vmem_t *vmem, kgrep_walk_data_t *kg)
2235 2235 {
2236 2236 mdb_walk_cb_t walk_vseg = (mdb_walk_cb_t)kgrep_walk_vseg;
2237 2237
2238 2238 if (strcmp(vmem->vm_name, "heap") != 0 &&
2239 2239 strcmp(vmem->vm_name, "heap32") != 0 &&
2240 2240 strcmp(vmem->vm_name, "heap_core") != 0 &&
2241 2241 strcmp(vmem->vm_name, "heap_lp") != 0)
2242 2242 return (WALK_NEXT);
2243 2243
2244 2244 if (strcmp(vmem->vm_name, "heap_lp") == 0)
2245 2245 walk_vseg = (mdb_walk_cb_t)kgrep_xwalk_vseg;
2246 2246
2247 2247 if (mdb_pwalk("vmem_alloc", walk_vseg, kg, addr) == -1) {
2248 2248 mdb_warn("couldn't walk vmem_alloc for vmem %p", addr);
2249 2249 return (WALK_ERR);
2250 2250 }
2251 2251
2252 2252 return (WALK_NEXT);
2253 2253 }
2254 2254
2255 2255 int
2256 2256 kgrep_subr(kgrep_cb_func *cb, void *cbdata)
2257 2257 {
2258 2258 GElf_Sym kas, kvseg, kvseg32, kvseg_core, segkpm;
2259 2259 kgrep_walk_data_t kg;
2260 2260
2261 2261 if (mdb_get_state() == MDB_STATE_RUNNING) {
2262 2262 mdb_warn("kgrep can only be run on a system "
2263 2263 "dump or under kmdb; see dumpadm(1M)\n");
2264 2264 return (DCMD_ERR);
2265 2265 }
2266 2266
2267 2267 if (mdb_lookup_by_name("kas", &kas) == -1) {
2268 2268 mdb_warn("failed to locate 'kas' symbol\n");
2269 2269 return (DCMD_ERR);
2270 2270 }
2271 2271
2272 2272 if (mdb_lookup_by_name("kvseg", &kvseg) == -1) {
2273 2273 mdb_warn("failed to locate 'kvseg' symbol\n");
2274 2274 return (DCMD_ERR);
2275 2275 }
2276 2276
2277 2277 if (mdb_lookup_by_name("kvseg32", &kvseg32) == -1) {
2278 2278 mdb_warn("failed to locate 'kvseg32' symbol\n");
2279 2279 return (DCMD_ERR);
2280 2280 }
2281 2281
2282 2282 if (mdb_lookup_by_name("kvseg_core", &kvseg_core) == -1) {
2283 2283 mdb_warn("failed to locate 'kvseg_core' symbol\n");
2284 2284 return (DCMD_ERR);
2285 2285 }
2286 2286
2287 2287 if (mdb_lookup_by_name("segkpm_ops", &segkpm) == -1) {
2288 2288 mdb_warn("failed to locate 'segkpm_ops' symbol\n");
2289 2289 return (DCMD_ERR);
2290 2290 }
2291 2291
2292 2292 if (mdb_readvar(&kg.kg_heap_lp_base, "heap_lp_base") == -1) {
2293 2293 mdb_warn("failed to read 'heap_lp_base'\n");
2294 2294 return (DCMD_ERR);
2295 2295 }
2296 2296
2297 2297 if (mdb_readvar(&kg.kg_heap_lp_end, "heap_lp_end") == -1) {
2298 2298 mdb_warn("failed to read 'heap_lp_end'\n");
2299 2299 return (DCMD_ERR);
2300 2300 }
2301 2301
2302 2302 kg.kg_cb = cb;
2303 2303 kg.kg_cbdata = cbdata;
2304 2304 kg.kg_kvseg = (uintptr_t)kvseg.st_value;
2305 2305 kg.kg_kvseg32 = (uintptr_t)kvseg32.st_value;
2306 2306 kg.kg_kvseg_core = (uintptr_t)kvseg_core.st_value;
2307 2307 kg.kg_segkpm = (uintptr_t)segkpm.st_value;
2308 2308
2309 2309 if (mdb_pwalk("seg", (mdb_walk_cb_t)kgrep_walk_seg,
2310 2310 &kg, kas.st_value) == -1) {
2311 2311 mdb_warn("failed to walk kas segments");
2312 2312 return (DCMD_ERR);
2313 2313 }
2314 2314
2315 2315 if (mdb_walk("vmem", (mdb_walk_cb_t)kgrep_walk_vmem, &kg) == -1) {
2316 2316 mdb_warn("failed to walk heap/heap32 vmem arenas");
2317 2317 return (DCMD_ERR);
2318 2318 }
2319 2319
2320 2320 return (DCMD_OK);
2321 2321 }
2322 2322
2323 2323 size_t
2324 2324 kgrep_subr_pagesize(void)
2325 2325 {
2326 2326 return (PAGESIZE);
2327 2327 }
2328 2328
2329 2329 typedef struct file_walk_data {
2330 2330 struct uf_entry *fw_flist;
2331 2331 int fw_flistsz;
2332 2332 int fw_ndx;
2333 2333 int fw_nofiles;
2334 2334 } file_walk_data_t;
2335 2335
2336 2336 int
2337 2337 file_walk_init(mdb_walk_state_t *wsp)
2338 2338 {
2339 2339 file_walk_data_t *fw;
2340 2340 proc_t p;
2341 2341
2342 2342 if (wsp->walk_addr == NULL) {
2343 2343 mdb_warn("file walk doesn't support global walks\n");
2344 2344 return (WALK_ERR);
2345 2345 }
2346 2346
2347 2347 fw = mdb_alloc(sizeof (file_walk_data_t), UM_SLEEP);
2348 2348
2349 2349 if (mdb_vread(&p, sizeof (p), wsp->walk_addr) == -1) {
2350 2350 mdb_free(fw, sizeof (file_walk_data_t));
2351 2351 mdb_warn("failed to read proc structure at %p", wsp->walk_addr);
2352 2352 return (WALK_ERR);
2353 2353 }
2354 2354
2355 2355 if (p.p_user.u_finfo.fi_nfiles == 0) {
2356 2356 mdb_free(fw, sizeof (file_walk_data_t));
2357 2357 return (WALK_DONE);
2358 2358 }
2359 2359
2360 2360 fw->fw_nofiles = p.p_user.u_finfo.fi_nfiles;
2361 2361 fw->fw_flistsz = sizeof (struct uf_entry) * fw->fw_nofiles;
2362 2362 fw->fw_flist = mdb_alloc(fw->fw_flistsz, UM_SLEEP);
2363 2363
2364 2364 if (mdb_vread(fw->fw_flist, fw->fw_flistsz,
2365 2365 (uintptr_t)p.p_user.u_finfo.fi_list) == -1) {
2366 2366 mdb_warn("failed to read file array at %p",
2367 2367 p.p_user.u_finfo.fi_list);
2368 2368 mdb_free(fw->fw_flist, fw->fw_flistsz);
2369 2369 mdb_free(fw, sizeof (file_walk_data_t));
2370 2370 return (WALK_ERR);
2371 2371 }
2372 2372
2373 2373 fw->fw_ndx = 0;
2374 2374 wsp->walk_data = fw;
2375 2375
2376 2376 return (WALK_NEXT);
2377 2377 }
2378 2378
2379 2379 int
2380 2380 file_walk_step(mdb_walk_state_t *wsp)
2381 2381 {
2382 2382 file_walk_data_t *fw = (file_walk_data_t *)wsp->walk_data;
2383 2383 struct file file;
2384 2384 uintptr_t fp;
2385 2385
2386 2386 again:
2387 2387 if (fw->fw_ndx == fw->fw_nofiles)
2388 2388 return (WALK_DONE);
2389 2389
2390 2390 if ((fp = (uintptr_t)fw->fw_flist[fw->fw_ndx++].uf_file) == NULL)
2391 2391 goto again;
2392 2392
2393 2393 (void) mdb_vread(&file, sizeof (file), (uintptr_t)fp);
2394 2394 return (wsp->walk_callback(fp, &file, wsp->walk_cbdata));
2395 2395 }
2396 2396
2397 2397 int
2398 2398 allfile_walk_step(mdb_walk_state_t *wsp)
2399 2399 {
2400 2400 file_walk_data_t *fw = (file_walk_data_t *)wsp->walk_data;
2401 2401 struct file file;
2402 2402 uintptr_t fp;
2403 2403
2404 2404 if (fw->fw_ndx == fw->fw_nofiles)
2405 2405 return (WALK_DONE);
2406 2406
2407 2407 if ((fp = (uintptr_t)fw->fw_flist[fw->fw_ndx++].uf_file) != NULL)
2408 2408 (void) mdb_vread(&file, sizeof (file), (uintptr_t)fp);
2409 2409 else
2410 2410 bzero(&file, sizeof (file));
2411 2411
2412 2412 return (wsp->walk_callback(fp, &file, wsp->walk_cbdata));
2413 2413 }
2414 2414
2415 2415 void
2416 2416 file_walk_fini(mdb_walk_state_t *wsp)
2417 2417 {
2418 2418 file_walk_data_t *fw = (file_walk_data_t *)wsp->walk_data;
2419 2419
2420 2420 mdb_free(fw->fw_flist, fw->fw_flistsz);
2421 2421 mdb_free(fw, sizeof (file_walk_data_t));
2422 2422 }
2423 2423
2424 2424 int
2425 2425 port_walk_init(mdb_walk_state_t *wsp)
2426 2426 {
2427 2427 if (wsp->walk_addr == NULL) {
2428 2428 mdb_warn("port walk doesn't support global walks\n");
2429 2429 return (WALK_ERR);
2430 2430 }
2431 2431
2432 2432 if (mdb_layered_walk("file", wsp) == -1) {
2433 2433 mdb_warn("couldn't walk 'file'");
2434 2434 return (WALK_ERR);
2435 2435 }
2436 2436 return (WALK_NEXT);
2437 2437 }
2438 2438
2439 2439 int
2440 2440 port_walk_step(mdb_walk_state_t *wsp)
2441 2441 {
2442 2442 struct vnode vn;
2443 2443 uintptr_t vp;
2444 2444 uintptr_t pp;
2445 2445 struct port port;
2446 2446
2447 2447 vp = (uintptr_t)((struct file *)wsp->walk_layer)->f_vnode;
2448 2448 if (mdb_vread(&vn, sizeof (vn), vp) == -1) {
2449 2449 mdb_warn("failed to read vnode_t at %p", vp);
2450 2450 return (WALK_ERR);
2451 2451 }
2452 2452 if (vn.v_type != VPORT)
2453 2453 return (WALK_NEXT);
2454 2454
2455 2455 pp = (uintptr_t)vn.v_data;
2456 2456 if (mdb_vread(&port, sizeof (port), pp) == -1) {
2457 2457 mdb_warn("failed to read port_t at %p", pp);
2458 2458 return (WALK_ERR);
2459 2459 }
2460 2460 return (wsp->walk_callback(pp, &port, wsp->walk_cbdata));
2461 2461 }
2462 2462
2463 2463 typedef struct portev_walk_data {
2464 2464 list_node_t *pev_node;
2465 2465 list_node_t *pev_last;
2466 2466 size_t pev_offset;
2467 2467 } portev_walk_data_t;
2468 2468
2469 2469 int
2470 2470 portev_walk_init(mdb_walk_state_t *wsp)
2471 2471 {
2472 2472 portev_walk_data_t *pevd;
2473 2473 struct port port;
2474 2474 struct vnode vn;
2475 2475 struct list *list;
2476 2476 uintptr_t vp;
2477 2477
2478 2478 if (wsp->walk_addr == NULL) {
2479 2479 mdb_warn("portev walk doesn't support global walks\n");
2480 2480 return (WALK_ERR);
2481 2481 }
2482 2482
2483 2483 pevd = mdb_alloc(sizeof (portev_walk_data_t), UM_SLEEP);
2484 2484
2485 2485 if (mdb_vread(&port, sizeof (port), wsp->walk_addr) == -1) {
2486 2486 mdb_free(pevd, sizeof (portev_walk_data_t));
2487 2487 mdb_warn("failed to read port structure at %p", wsp->walk_addr);
2488 2488 return (WALK_ERR);
2489 2489 }
2490 2490
2491 2491 vp = (uintptr_t)port.port_vnode;
2492 2492 if (mdb_vread(&vn, sizeof (vn), vp) == -1) {
2493 2493 mdb_free(pevd, sizeof (portev_walk_data_t));
2494 2494 mdb_warn("failed to read vnode_t at %p", vp);
2495 2495 return (WALK_ERR);
2496 2496 }
2497 2497
2498 2498 if (vn.v_type != VPORT) {
2499 2499 mdb_free(pevd, sizeof (portev_walk_data_t));
2500 2500 mdb_warn("input address (%p) does not point to an event port",
2501 2501 wsp->walk_addr);
2502 2502 return (WALK_ERR);
2503 2503 }
2504 2504
2505 2505 if (port.port_queue.portq_nent == 0) {
2506 2506 mdb_free(pevd, sizeof (portev_walk_data_t));
2507 2507 return (WALK_DONE);
2508 2508 }
2509 2509 list = &port.port_queue.portq_list;
2510 2510 pevd->pev_offset = list->list_offset;
2511 2511 pevd->pev_last = list->list_head.list_prev;
2512 2512 pevd->pev_node = list->list_head.list_next;
2513 2513 wsp->walk_data = pevd;
2514 2514 return (WALK_NEXT);
2515 2515 }
2516 2516
2517 2517 int
2518 2518 portev_walk_step(mdb_walk_state_t *wsp)
2519 2519 {
2520 2520 portev_walk_data_t *pevd;
2521 2521 struct port_kevent ev;
2522 2522 uintptr_t evp;
2523 2523
2524 2524 pevd = (portev_walk_data_t *)wsp->walk_data;
2525 2525
2526 2526 if (pevd->pev_last == NULL)
2527 2527 return (WALK_DONE);
2528 2528 if (pevd->pev_node == pevd->pev_last)
2529 2529 pevd->pev_last = NULL; /* last round */
2530 2530
2531 2531 evp = ((uintptr_t)(((char *)pevd->pev_node) - pevd->pev_offset));
2532 2532 if (mdb_vread(&ev, sizeof (ev), evp) == -1) {
2533 2533 mdb_warn("failed to read port_kevent at %p", evp);
2534 2534 return (WALK_DONE);
2535 2535 }
2536 2536 pevd->pev_node = ev.portkev_node.list_next;
2537 2537 return (wsp->walk_callback(evp, &ev, wsp->walk_cbdata));
2538 2538 }
2539 2539
2540 2540 void
2541 2541 portev_walk_fini(mdb_walk_state_t *wsp)
2542 2542 {
2543 2543 portev_walk_data_t *pevd = (portev_walk_data_t *)wsp->walk_data;
2544 2544
2545 2545 if (pevd != NULL)
2546 2546 mdb_free(pevd, sizeof (portev_walk_data_t));
2547 2547 }
2548 2548
2549 2549 typedef struct proc_walk_data {
2550 2550 uintptr_t *pw_stack;
2551 2551 int pw_depth;
2552 2552 int pw_max;
2553 2553 } proc_walk_data_t;
2554 2554
2555 2555 int
2556 2556 proc_walk_init(mdb_walk_state_t *wsp)
2557 2557 {
2558 2558 GElf_Sym sym;
2559 2559 proc_walk_data_t *pw;
2560 2560
2561 2561 if (wsp->walk_addr == NULL) {
2562 2562 if (mdb_lookup_by_name("p0", &sym) == -1) {
2563 2563 mdb_warn("failed to read 'practive'");
2564 2564 return (WALK_ERR);
2565 2565 }
2566 2566 wsp->walk_addr = (uintptr_t)sym.st_value;
2567 2567 }
2568 2568
2569 2569 pw = mdb_zalloc(sizeof (proc_walk_data_t), UM_SLEEP);
2570 2570
2571 2571 if (mdb_readvar(&pw->pw_max, "nproc") == -1) {
2572 2572 mdb_warn("failed to read 'nproc'");
2573 2573 mdb_free(pw, sizeof (pw));
2574 2574 return (WALK_ERR);
2575 2575 }
2576 2576
2577 2577 pw->pw_stack = mdb_alloc(pw->pw_max * sizeof (uintptr_t), UM_SLEEP);
2578 2578 wsp->walk_data = pw;
2579 2579
2580 2580 return (WALK_NEXT);
2581 2581 }
2582 2582
2583 2583 int
2584 2584 proc_walk_step(mdb_walk_state_t *wsp)
2585 2585 {
2586 2586 proc_walk_data_t *pw = wsp->walk_data;
2587 2587 uintptr_t addr = wsp->walk_addr;
2588 2588 uintptr_t cld, sib;
2589 2589
2590 2590 int status;
2591 2591 proc_t pr;
2592 2592
2593 2593 if (mdb_vread(&pr, sizeof (proc_t), addr) == -1) {
2594 2594 mdb_warn("failed to read proc at %p", addr);
2595 2595 return (WALK_DONE);
2596 2596 }
2597 2597
2598 2598 cld = (uintptr_t)pr.p_child;
2599 2599 sib = (uintptr_t)pr.p_sibling;
2600 2600
2601 2601 if (pw->pw_depth > 0 && addr == pw->pw_stack[pw->pw_depth - 1]) {
2602 2602 pw->pw_depth--;
2603 2603 goto sib;
2604 2604 }
2605 2605
2606 2606 status = wsp->walk_callback(addr, &pr, wsp->walk_cbdata);
2607 2607
2608 2608 if (status != WALK_NEXT)
2609 2609 return (status);
2610 2610
2611 2611 if ((wsp->walk_addr = cld) != NULL) {
2612 2612 if (mdb_vread(&pr, sizeof (proc_t), cld) == -1) {
2613 2613 mdb_warn("proc %p has invalid p_child %p; skipping\n",
2614 2614 addr, cld);
2615 2615 goto sib;
2616 2616 }
2617 2617
2618 2618 pw->pw_stack[pw->pw_depth++] = addr;
2619 2619
2620 2620 if (pw->pw_depth == pw->pw_max) {
2621 2621 mdb_warn("depth %d exceeds max depth; try again\n",
2622 2622 pw->pw_depth);
2623 2623 return (WALK_DONE);
2624 2624 }
2625 2625 return (WALK_NEXT);
2626 2626 }
2627 2627
2628 2628 sib:
2629 2629 /*
2630 2630 * We know that p0 has no siblings, and if another starting proc
2631 2631 * was given, we don't want to walk its siblings anyway.
2632 2632 */
2633 2633 if (pw->pw_depth == 0)
2634 2634 return (WALK_DONE);
2635 2635
2636 2636 if (sib != NULL && mdb_vread(&pr, sizeof (proc_t), sib) == -1) {
2637 2637 mdb_warn("proc %p has invalid p_sibling %p; skipping\n",
2638 2638 addr, sib);
2639 2639 sib = NULL;
2640 2640 }
2641 2641
2642 2642 if ((wsp->walk_addr = sib) == NULL) {
2643 2643 if (pw->pw_depth > 0) {
2644 2644 wsp->walk_addr = pw->pw_stack[pw->pw_depth - 1];
2645 2645 return (WALK_NEXT);
2646 2646 }
2647 2647 return (WALK_DONE);
2648 2648 }
2649 2649
2650 2650 return (WALK_NEXT);
2651 2651 }
2652 2652
2653 2653 void
2654 2654 proc_walk_fini(mdb_walk_state_t *wsp)
2655 2655 {
2656 2656 proc_walk_data_t *pw = wsp->walk_data;
2657 2657
2658 2658 mdb_free(pw->pw_stack, pw->pw_max * sizeof (uintptr_t));
2659 2659 mdb_free(pw, sizeof (proc_walk_data_t));
2660 2660 }
2661 2661
2662 2662 int
2663 2663 task_walk_init(mdb_walk_state_t *wsp)
2664 2664 {
2665 2665 task_t task;
2666 2666
2667 2667 if (mdb_vread(&task, sizeof (task_t), wsp->walk_addr) == -1) {
2668 2668 mdb_warn("failed to read task at %p", wsp->walk_addr);
2669 2669 return (WALK_ERR);
2670 2670 }
2671 2671 wsp->walk_addr = (uintptr_t)task.tk_memb_list;
2672 2672 wsp->walk_data = task.tk_memb_list;
2673 2673 return (WALK_NEXT);
2674 2674 }
2675 2675
2676 2676 int
2677 2677 task_walk_step(mdb_walk_state_t *wsp)
2678 2678 {
2679 2679 proc_t proc;
2680 2680 int status;
2681 2681
2682 2682 if (mdb_vread(&proc, sizeof (proc_t), wsp->walk_addr) == -1) {
2683 2683 mdb_warn("failed to read proc at %p", wsp->walk_addr);
2684 2684 return (WALK_DONE);
2685 2685 }
2686 2686
2687 2687 status = wsp->walk_callback(wsp->walk_addr, NULL, wsp->walk_cbdata);
2688 2688
2689 2689 if (proc.p_tasknext == wsp->walk_data)
2690 2690 return (WALK_DONE);
2691 2691
2692 2692 wsp->walk_addr = (uintptr_t)proc.p_tasknext;
2693 2693 return (status);
2694 2694 }
2695 2695
2696 2696 int
2697 2697 project_walk_init(mdb_walk_state_t *wsp)
2698 2698 {
2699 2699 if (wsp->walk_addr == NULL) {
2700 2700 if (mdb_readvar(&wsp->walk_addr, "proj0p") == -1) {
2701 2701 mdb_warn("failed to read 'proj0p'");
2702 2702 return (WALK_ERR);
2703 2703 }
2704 2704 }
2705 2705 wsp->walk_data = (void *)wsp->walk_addr;
2706 2706 return (WALK_NEXT);
2707 2707 }
2708 2708
2709 2709 int
2710 2710 project_walk_step(mdb_walk_state_t *wsp)
2711 2711 {
2712 2712 uintptr_t addr = wsp->walk_addr;
2713 2713 kproject_t pj;
2714 2714 int status;
2715 2715
2716 2716 if (mdb_vread(&pj, sizeof (kproject_t), addr) == -1) {
2717 2717 mdb_warn("failed to read project at %p", addr);
2718 2718 return (WALK_DONE);
2719 2719 }
2720 2720 status = wsp->walk_callback(addr, &pj, wsp->walk_cbdata);
2721 2721 if (status != WALK_NEXT)
2722 2722 return (status);
2723 2723 wsp->walk_addr = (uintptr_t)pj.kpj_next;
2724 2724 if ((void *)wsp->walk_addr == wsp->walk_data)
2725 2725 return (WALK_DONE);
2726 2726 return (WALK_NEXT);
2727 2727 }
2728 2728
2729 2729 static int
2730 2730 generic_walk_step(mdb_walk_state_t *wsp)
2731 2731 {
2732 2732 return (wsp->walk_callback(wsp->walk_addr, wsp->walk_layer,
2733 2733 wsp->walk_cbdata));
2734 2734 }
2735 2735
2736 2736 static int
2737 2737 cpu_walk_cmp(const void *l, const void *r)
2738 2738 {
2739 2739 uintptr_t lhs = *((uintptr_t *)l);
2740 2740 uintptr_t rhs = *((uintptr_t *)r);
2741 2741 cpu_t lcpu, rcpu;
2742 2742
2743 2743 (void) mdb_vread(&lcpu, sizeof (lcpu), lhs);
2744 2744 (void) mdb_vread(&rcpu, sizeof (rcpu), rhs);
2745 2745
2746 2746 if (lcpu.cpu_id < rcpu.cpu_id)
2747 2747 return (-1);
2748 2748
2749 2749 if (lcpu.cpu_id > rcpu.cpu_id)
2750 2750 return (1);
2751 2751
2752 2752 return (0);
2753 2753 }
2754 2754
2755 2755 typedef struct cpu_walk {
2756 2756 uintptr_t *cw_array;
2757 2757 int cw_ndx;
2758 2758 } cpu_walk_t;
2759 2759
2760 2760 int
2761 2761 cpu_walk_init(mdb_walk_state_t *wsp)
2762 2762 {
2763 2763 cpu_walk_t *cw;
2764 2764 int max_ncpus, i = 0;
2765 2765 uintptr_t current, first;
2766 2766 cpu_t cpu, panic_cpu;
2767 2767 uintptr_t panicstr, addr;
2768 2768 GElf_Sym sym;
2769 2769
2770 2770 cw = mdb_zalloc(sizeof (cpu_walk_t), UM_SLEEP | UM_GC);
2771 2771
2772 2772 if (mdb_readvar(&max_ncpus, "max_ncpus") == -1) {
2773 2773 mdb_warn("failed to read 'max_ncpus'");
2774 2774 return (WALK_ERR);
2775 2775 }
2776 2776
2777 2777 if (mdb_readvar(&panicstr, "panicstr") == -1) {
2778 2778 mdb_warn("failed to read 'panicstr'");
2779 2779 return (WALK_ERR);
2780 2780 }
2781 2781
2782 2782 if (panicstr != NULL) {
2783 2783 if (mdb_lookup_by_name("panic_cpu", &sym) == -1) {
2784 2784 mdb_warn("failed to find 'panic_cpu'");
2785 2785 return (WALK_ERR);
2786 2786 }
2787 2787
2788 2788 addr = (uintptr_t)sym.st_value;
2789 2789
2790 2790 if (mdb_vread(&panic_cpu, sizeof (cpu_t), addr) == -1) {
2791 2791 mdb_warn("failed to read 'panic_cpu'");
2792 2792 return (WALK_ERR);
2793 2793 }
2794 2794 }
2795 2795
2796 2796 /*
2797 2797 * Unfortunately, there is no platform-independent way to walk
2798 2798 * CPUs in ID order. We therefore loop through in cpu_next order,
2799 2799 * building an array of CPU pointers which will subsequently be
2800 2800 * sorted.
2801 2801 */
2802 2802 cw->cw_array =
2803 2803 mdb_zalloc((max_ncpus + 1) * sizeof (uintptr_t), UM_SLEEP | UM_GC);
2804 2804
2805 2805 if (mdb_readvar(&first, "cpu_list") == -1) {
2806 2806 mdb_warn("failed to read 'cpu_list'");
2807 2807 return (WALK_ERR);
2808 2808 }
2809 2809
2810 2810 current = first;
2811 2811 do {
2812 2812 if (mdb_vread(&cpu, sizeof (cpu), current) == -1) {
2813 2813 mdb_warn("failed to read cpu at %p", current);
2814 2814 return (WALK_ERR);
2815 2815 }
2816 2816
2817 2817 if (panicstr != NULL && panic_cpu.cpu_id == cpu.cpu_id) {
2818 2818 cw->cw_array[i++] = addr;
2819 2819 } else {
2820 2820 cw->cw_array[i++] = current;
2821 2821 }
2822 2822 } while ((current = (uintptr_t)cpu.cpu_next) != first);
2823 2823
2824 2824 qsort(cw->cw_array, i, sizeof (uintptr_t), cpu_walk_cmp);
2825 2825 wsp->walk_data = cw;
2826 2826
2827 2827 return (WALK_NEXT);
2828 2828 }
2829 2829
2830 2830 int
2831 2831 cpu_walk_step(mdb_walk_state_t *wsp)
2832 2832 {
2833 2833 cpu_walk_t *cw = wsp->walk_data;
2834 2834 cpu_t cpu;
2835 2835 uintptr_t addr = cw->cw_array[cw->cw_ndx++];
2836 2836
2837 2837 if (addr == NULL)
2838 2838 return (WALK_DONE);
2839 2839
2840 2840 if (mdb_vread(&cpu, sizeof (cpu), addr) == -1) {
2841 2841 mdb_warn("failed to read cpu at %p", addr);
2842 2842 return (WALK_DONE);
2843 2843 }
2844 2844
2845 2845 return (wsp->walk_callback(addr, &cpu, wsp->walk_cbdata));
2846 2846 }
2847 2847
2848 2848 typedef struct cpuinfo_data {
2849 2849 intptr_t cid_cpu;
2850 2850 uintptr_t **cid_ithr;
2851 2851 char cid_print_head;
2852 2852 char cid_print_thr;
2853 2853 char cid_print_ithr;
2854 2854 char cid_print_flags;
2855 2855 } cpuinfo_data_t;
2856 2856
2857 2857 int
2858 2858 cpuinfo_walk_ithread(uintptr_t addr, const kthread_t *thr, cpuinfo_data_t *cid)
2859 2859 {
2860 2860 cpu_t c;
2861 2861 int id;
2862 2862 uint8_t pil;
2863 2863
2864 2864 if (!(thr->t_flag & T_INTR_THREAD) || thr->t_state == TS_FREE)
2865 2865 return (WALK_NEXT);
2866 2866
2867 2867 if (thr->t_bound_cpu == NULL) {
2868 2868 mdb_warn("thr %p is intr thread w/out a CPU\n", addr);
2869 2869 return (WALK_NEXT);
2870 2870 }
2871 2871
2872 2872 (void) mdb_vread(&c, sizeof (c), (uintptr_t)thr->t_bound_cpu);
2873 2873
2874 2874 if ((id = c.cpu_id) >= NCPU) {
2875 2875 mdb_warn("CPU %p has id (%d) greater than NCPU (%d)\n",
2876 2876 thr->t_bound_cpu, id, NCPU);
2877 2877 return (WALK_NEXT);
2878 2878 }
2879 2879
2880 2880 if ((pil = thr->t_pil) >= NINTR) {
2881 2881 mdb_warn("thread %p has pil (%d) greater than %d\n",
2882 2882 addr, pil, NINTR);
2883 2883 return (WALK_NEXT);
2884 2884 }
2885 2885
2886 2886 if (cid->cid_ithr[id][pil] != NULL) {
2887 2887 mdb_warn("CPU %d has multiple threads at pil %d (at least "
2888 2888 "%p and %p)\n", id, pil, addr, cid->cid_ithr[id][pil]);
2889 2889 return (WALK_NEXT);
2890 2890 }
2891 2891
2892 2892 cid->cid_ithr[id][pil] = addr;
2893 2893
2894 2894 return (WALK_NEXT);
2895 2895 }
2896 2896
2897 2897 #define CPUINFO_IDWIDTH 3
2898 2898 #define CPUINFO_FLAGWIDTH 9
2899 2899
2900 2900 #ifdef _LP64
2901 2901 #if defined(__amd64)
2902 2902 #define CPUINFO_TWIDTH 16
2903 2903 #define CPUINFO_CPUWIDTH 16
2904 2904 #else
2905 2905 #define CPUINFO_CPUWIDTH 11
2906 2906 #define CPUINFO_TWIDTH 11
2907 2907 #endif
2908 2908 #else
2909 2909 #define CPUINFO_CPUWIDTH 8
2910 2910 #define CPUINFO_TWIDTH 8
2911 2911 #endif
2912 2912
2913 2913 #define CPUINFO_THRDELT (CPUINFO_IDWIDTH + CPUINFO_CPUWIDTH + 9)
2914 2914 #define CPUINFO_FLAGDELT (CPUINFO_IDWIDTH + CPUINFO_CPUWIDTH + 4)
2915 2915 #define CPUINFO_ITHRDELT 4
2916 2916
2917 2917 #define CPUINFO_INDENT mdb_printf("%*s", CPUINFO_THRDELT, \
2918 2918 flagline < nflaglines ? flagbuf[flagline++] : "")
2919 2919
2920 2920 int
2921 2921 cpuinfo_walk_cpu(uintptr_t addr, const cpu_t *cpu, cpuinfo_data_t *cid)
2922 2922 {
2923 2923 kthread_t t;
2924 2924 disp_t disp;
2925 2925 proc_t p;
2926 2926 uintptr_t pinned;
2927 2927 char **flagbuf;
2928 2928 int nflaglines = 0, flagline = 0, bspl, rval = WALK_NEXT;
2929 2929
2930 2930 const char *flags[] = {
2931 2931 "RUNNING", "READY", "QUIESCED", "EXISTS",
2932 2932 "ENABLE", "OFFLINE", "POWEROFF", "FROZEN",
2933 2933 "SPARE", "FAULTED", NULL
2934 2934 };
2935 2935
2936 2936 if (cid->cid_cpu != -1) {
2937 2937 if (addr != cid->cid_cpu && cpu->cpu_id != cid->cid_cpu)
2938 2938 return (WALK_NEXT);
2939 2939
2940 2940 /*
2941 2941 * Set cid_cpu to -1 to indicate that we found a matching CPU.
2942 2942 */
2943 2943 cid->cid_cpu = -1;
2944 2944 rval = WALK_DONE;
2945 2945 }
2946 2946
2947 2947 if (cid->cid_print_head) {
2948 2948 mdb_printf("%3s %-*s %3s %4s %4s %3s %4s %5s %-6s %-*s %s\n",
2949 2949 "ID", CPUINFO_CPUWIDTH, "ADDR", "FLG", "NRUN", "BSPL",
2950 2950 "PRI", "RNRN", "KRNRN", "SWITCH", CPUINFO_TWIDTH, "THREAD",
2951 2951 "PROC");
2952 2952 cid->cid_print_head = FALSE;
2953 2953 }
2954 2954
2955 2955 bspl = cpu->cpu_base_spl;
2956 2956
2957 2957 if (mdb_vread(&disp, sizeof (disp_t), (uintptr_t)cpu->cpu_disp) == -1) {
2958 2958 mdb_warn("failed to read disp_t at %p", cpu->cpu_disp);
2959 2959 return (WALK_ERR);
2960 2960 }
2961 2961
2962 2962 mdb_printf("%3d %0*p %3x %4d %4d ",
2963 2963 cpu->cpu_id, CPUINFO_CPUWIDTH, addr, cpu->cpu_flags,
2964 2964 disp.disp_nrunnable, bspl);
2965 2965
2966 2966 if (mdb_vread(&t, sizeof (t), (uintptr_t)cpu->cpu_thread) != -1) {
2967 2967 mdb_printf("%3d ", t.t_pri);
2968 2968 } else {
2969 2969 mdb_printf("%3s ", "-");
2970 2970 }
2971 2971
2972 2972 mdb_printf("%4s %5s ", cpu->cpu_runrun ? "yes" : "no",
2973 2973 cpu->cpu_kprunrun ? "yes" : "no");
2974 2974
2975 2975 if (cpu->cpu_last_swtch) {
2976 2976 mdb_printf("t-%-4d ",
2977 2977 (clock_t)mdb_get_lbolt() - cpu->cpu_last_swtch);
2978 2978 } else {
2979 2979 mdb_printf("%-6s ", "-");
2980 2980 }
2981 2981
2982 2982 mdb_printf("%0*p", CPUINFO_TWIDTH, cpu->cpu_thread);
2983 2983
2984 2984 if (cpu->cpu_thread == cpu->cpu_idle_thread)
2985 2985 mdb_printf(" (idle)\n");
2986 2986 else if (cpu->cpu_thread == NULL)
2987 2987 mdb_printf(" -\n");
2988 2988 else {
2989 2989 if (mdb_vread(&p, sizeof (p), (uintptr_t)t.t_procp) != -1) {
2990 2990 mdb_printf(" %s\n", p.p_user.u_comm);
2991 2991 } else {
2992 2992 mdb_printf(" ?\n");
2993 2993 }
2994 2994 }
2995 2995
2996 2996 flagbuf = mdb_zalloc(sizeof (flags), UM_SLEEP | UM_GC);
2997 2997
2998 2998 if (cid->cid_print_flags) {
2999 2999 int first = 1, i, j, k;
3000 3000 char *s;
3001 3001
3002 3002 cid->cid_print_head = TRUE;
3003 3003
3004 3004 for (i = 1, j = 0; flags[j] != NULL; i <<= 1, j++) {
3005 3005 if (!(cpu->cpu_flags & i))
3006 3006 continue;
3007 3007
3008 3008 if (first) {
3009 3009 s = mdb_alloc(CPUINFO_THRDELT + 1,
3010 3010 UM_GC | UM_SLEEP);
3011 3011
3012 3012 (void) mdb_snprintf(s, CPUINFO_THRDELT + 1,
3013 3013 "%*s|%*s", CPUINFO_FLAGDELT, "",
3014 3014 CPUINFO_THRDELT - 1 - CPUINFO_FLAGDELT, "");
3015 3015 flagbuf[nflaglines++] = s;
3016 3016 }
3017 3017
3018 3018 s = mdb_alloc(CPUINFO_THRDELT + 1, UM_GC | UM_SLEEP);
3019 3019 (void) mdb_snprintf(s, CPUINFO_THRDELT + 1, "%*s%*s %s",
3020 3020 CPUINFO_IDWIDTH + CPUINFO_CPUWIDTH -
3021 3021 CPUINFO_FLAGWIDTH, "", CPUINFO_FLAGWIDTH, flags[j],
3022 3022 first ? "<--+" : "");
3023 3023
3024 3024 for (k = strlen(s); k < CPUINFO_THRDELT; k++)
3025 3025 s[k] = ' ';
3026 3026 s[k] = '\0';
3027 3027
3028 3028 flagbuf[nflaglines++] = s;
3029 3029 first = 0;
3030 3030 }
3031 3031 }
3032 3032
3033 3033 if (cid->cid_print_ithr) {
3034 3034 int i, found_one = FALSE;
3035 3035 int print_thr = disp.disp_nrunnable && cid->cid_print_thr;
3036 3036
3037 3037 for (i = NINTR - 1; i >= 0; i--) {
3038 3038 uintptr_t iaddr = cid->cid_ithr[cpu->cpu_id][i];
3039 3039
3040 3040 if (iaddr == NULL)
3041 3041 continue;
3042 3042
3043 3043 if (!found_one) {
3044 3044 found_one = TRUE;
3045 3045
3046 3046 CPUINFO_INDENT;
3047 3047 mdb_printf("%c%*s|\n", print_thr ? '|' : ' ',
3048 3048 CPUINFO_ITHRDELT, "");
3049 3049
3050 3050 CPUINFO_INDENT;
3051 3051 mdb_printf("%c%*s+--> %3s %s\n",
3052 3052 print_thr ? '|' : ' ', CPUINFO_ITHRDELT,
3053 3053 "", "PIL", "THREAD");
3054 3054 }
3055 3055
3056 3056 if (mdb_vread(&t, sizeof (t), iaddr) == -1) {
3057 3057 mdb_warn("failed to read kthread_t at %p",
3058 3058 iaddr);
3059 3059 return (WALK_ERR);
3060 3060 }
3061 3061
3062 3062 CPUINFO_INDENT;
3063 3063 mdb_printf("%c%*s %3d %0*p\n",
3064 3064 print_thr ? '|' : ' ', CPUINFO_ITHRDELT, "",
3065 3065 t.t_pil, CPUINFO_TWIDTH, iaddr);
3066 3066
3067 3067 pinned = (uintptr_t)t.t_intr;
3068 3068 }
3069 3069
3070 3070 if (found_one && pinned != NULL) {
3071 3071 cid->cid_print_head = TRUE;
3072 3072 (void) strcpy(p.p_user.u_comm, "?");
3073 3073
3074 3074 if (mdb_vread(&t, sizeof (t),
3075 3075 (uintptr_t)pinned) == -1) {
3076 3076 mdb_warn("failed to read kthread_t at %p",
3077 3077 pinned);
3078 3078 return (WALK_ERR);
3079 3079 }
3080 3080 if (mdb_vread(&p, sizeof (p),
3081 3081 (uintptr_t)t.t_procp) == -1) {
3082 3082 mdb_warn("failed to read proc_t at %p",
3083 3083 t.t_procp);
3084 3084 return (WALK_ERR);
3085 3085 }
3086 3086
3087 3087 CPUINFO_INDENT;
3088 3088 mdb_printf("%c%*s %3s %0*p %s\n",
3089 3089 print_thr ? '|' : ' ', CPUINFO_ITHRDELT, "", "-",
3090 3090 CPUINFO_TWIDTH, pinned,
3091 3091 pinned == (uintptr_t)cpu->cpu_idle_thread ?
3092 3092 "(idle)" : p.p_user.u_comm);
3093 3093 }
3094 3094 }
3095 3095
3096 3096 if (disp.disp_nrunnable && cid->cid_print_thr) {
3097 3097 dispq_t *dq;
3098 3098
3099 3099 int i, npri = disp.disp_npri;
3100 3100
3101 3101 dq = mdb_alloc(sizeof (dispq_t) * npri, UM_SLEEP | UM_GC);
3102 3102
3103 3103 if (mdb_vread(dq, sizeof (dispq_t) * npri,
3104 3104 (uintptr_t)disp.disp_q) == -1) {
3105 3105 mdb_warn("failed to read dispq_t at %p", disp.disp_q);
3106 3106 return (WALK_ERR);
3107 3107 }
3108 3108
3109 3109 CPUINFO_INDENT;
3110 3110 mdb_printf("|\n");
3111 3111
3112 3112 CPUINFO_INDENT;
3113 3113 mdb_printf("+--> %3s %-*s %s\n", "PRI",
3114 3114 CPUINFO_TWIDTH, "THREAD", "PROC");
3115 3115
3116 3116 for (i = npri - 1; i >= 0; i--) {
3117 3117 uintptr_t taddr = (uintptr_t)dq[i].dq_first;
3118 3118
3119 3119 while (taddr != NULL) {
3120 3120 if (mdb_vread(&t, sizeof (t), taddr) == -1) {
3121 3121 mdb_warn("failed to read kthread_t "
3122 3122 "at %p", taddr);
3123 3123 return (WALK_ERR);
3124 3124 }
3125 3125 if (mdb_vread(&p, sizeof (p),
3126 3126 (uintptr_t)t.t_procp) == -1) {
3127 3127 mdb_warn("failed to read proc_t at %p",
3128 3128 t.t_procp);
3129 3129 return (WALK_ERR);
3130 3130 }
3131 3131
3132 3132 CPUINFO_INDENT;
3133 3133 mdb_printf(" %3d %0*p %s\n", t.t_pri,
3134 3134 CPUINFO_TWIDTH, taddr, p.p_user.u_comm);
3135 3135
3136 3136 taddr = (uintptr_t)t.t_link;
3137 3137 }
3138 3138 }
3139 3139 cid->cid_print_head = TRUE;
3140 3140 }
3141 3141
3142 3142 while (flagline < nflaglines)
3143 3143 mdb_printf("%s\n", flagbuf[flagline++]);
3144 3144
3145 3145 if (cid->cid_print_head)
3146 3146 mdb_printf("\n");
3147 3147
3148 3148 return (rval);
3149 3149 }
3150 3150
3151 3151 int
3152 3152 cpuinfo(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
3153 3153 {
3154 3154 uint_t verbose = FALSE;
3155 3155 cpuinfo_data_t cid;
3156 3156
3157 3157 cid.cid_print_ithr = FALSE;
3158 3158 cid.cid_print_thr = FALSE;
3159 3159 cid.cid_print_flags = FALSE;
3160 3160 cid.cid_print_head = DCMD_HDRSPEC(flags) ? TRUE : FALSE;
3161 3161 cid.cid_cpu = -1;
3162 3162
3163 3163 if (flags & DCMD_ADDRSPEC)
3164 3164 cid.cid_cpu = addr;
3165 3165
3166 3166 if (mdb_getopts(argc, argv,
3167 3167 'v', MDB_OPT_SETBITS, TRUE, &verbose, NULL) != argc)
3168 3168 return (DCMD_USAGE);
3169 3169
3170 3170 if (verbose) {
3171 3171 cid.cid_print_ithr = TRUE;
3172 3172 cid.cid_print_thr = TRUE;
3173 3173 cid.cid_print_flags = TRUE;
3174 3174 cid.cid_print_head = TRUE;
3175 3175 }
3176 3176
3177 3177 if (cid.cid_print_ithr) {
3178 3178 int i;
3179 3179
3180 3180 cid.cid_ithr = mdb_alloc(sizeof (uintptr_t **)
3181 3181 * NCPU, UM_SLEEP | UM_GC);
3182 3182
3183 3183 for (i = 0; i < NCPU; i++)
3184 3184 cid.cid_ithr[i] = mdb_zalloc(sizeof (uintptr_t *) *
3185 3185 NINTR, UM_SLEEP | UM_GC);
3186 3186
3187 3187 if (mdb_walk("thread", (mdb_walk_cb_t)cpuinfo_walk_ithread,
3188 3188 &cid) == -1) {
3189 3189 mdb_warn("couldn't walk thread");
3190 3190 return (DCMD_ERR);
3191 3191 }
3192 3192 }
3193 3193
3194 3194 if (mdb_walk("cpu", (mdb_walk_cb_t)cpuinfo_walk_cpu, &cid) == -1) {
3195 3195 mdb_warn("can't walk cpus");
3196 3196 return (DCMD_ERR);
3197 3197 }
3198 3198
3199 3199 if (cid.cid_cpu != -1) {
3200 3200 /*
3201 3201 * We didn't find this CPU when we walked through the CPUs
3202 3202 * (i.e. the address specified doesn't show up in the "cpu"
3203 3203 * walk). However, the specified address may still correspond
3204 3204 * to a valid cpu_t (for example, if the specified address is
3205 3205 * the actual panicking cpu_t and not the cached panic_cpu).
3206 3206 * Point is: even if we didn't find it, we still want to try
3207 3207 * to print the specified address as a cpu_t.
3208 3208 */
3209 3209 cpu_t cpu;
3210 3210
3211 3211 if (mdb_vread(&cpu, sizeof (cpu), cid.cid_cpu) == -1) {
3212 3212 mdb_warn("%p is neither a valid CPU ID nor a "
3213 3213 "valid cpu_t address\n", cid.cid_cpu);
3214 3214 return (DCMD_ERR);
3215 3215 }
3216 3216
3217 3217 (void) cpuinfo_walk_cpu(cid.cid_cpu, &cpu, &cid);
3218 3218 }
3219 3219
3220 3220 return (DCMD_OK);
3221 3221 }
3222 3222
3223 3223 /*ARGSUSED*/
3224 3224 int
3225 3225 flipone(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
3226 3226 {
3227 3227 int i;
3228 3228
3229 3229 if (!(flags & DCMD_ADDRSPEC))
3230 3230 return (DCMD_USAGE);
3231 3231
3232 3232 for (i = 0; i < sizeof (addr) * NBBY; i++)
3233 3233 mdb_printf("%p\n", addr ^ (1UL << i));
3234 3234
3235 3235 return (DCMD_OK);
3236 3236 }
3237 3237
3238 3238 int
3239 3239 as2proc_walk(uintptr_t addr, const proc_t *p, struct as **asp)
3240 3240 {
3241 3241 if (p->p_as == *asp)
3242 3242 mdb_printf("%p\n", addr);
3243 3243 return (WALK_NEXT);
3244 3244 }
3245 3245
3246 3246 /*ARGSUSED*/
3247 3247 int
3248 3248 as2proc(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
3249 3249 {
3250 3250 if (!(flags & DCMD_ADDRSPEC) || argc != 0)
3251 3251 return (DCMD_USAGE);
3252 3252
3253 3253 if (mdb_walk("proc", (mdb_walk_cb_t)as2proc_walk, &addr) == -1) {
3254 3254 mdb_warn("failed to walk proc");
3255 3255 return (DCMD_ERR);
3256 3256 }
3257 3257
3258 3258 return (DCMD_OK);
3259 3259 }
3260 3260
3261 3261 /*ARGSUSED*/
3262 3262 int
3263 3263 ptree_walk(uintptr_t addr, const proc_t *p, void *ignored)
3264 3264 {
3265 3265 proc_t parent;
3266 3266 int ident = 0;
3267 3267 uintptr_t paddr;
3268 3268
3269 3269 for (paddr = (uintptr_t)p->p_parent; paddr != NULL; ident += 5) {
3270 3270 mdb_vread(&parent, sizeof (parent), paddr);
3271 3271 paddr = (uintptr_t)parent.p_parent;
3272 3272 }
3273 3273
3274 3274 mdb_inc_indent(ident);
3275 3275 mdb_printf("%0?p %s\n", addr, p->p_user.u_comm);
3276 3276 mdb_dec_indent(ident);
3277 3277
3278 3278 return (WALK_NEXT);
3279 3279 }
3280 3280
3281 3281 void
3282 3282 ptree_ancestors(uintptr_t addr, uintptr_t start)
3283 3283 {
3284 3284 proc_t p;
3285 3285
3286 3286 if (mdb_vread(&p, sizeof (p), addr) == -1) {
3287 3287 mdb_warn("couldn't read ancestor at %p", addr);
3288 3288 return;
3289 3289 }
3290 3290
3291 3291 if (p.p_parent != NULL)
3292 3292 ptree_ancestors((uintptr_t)p.p_parent, start);
3293 3293
3294 3294 if (addr != start)
3295 3295 (void) ptree_walk(addr, &p, NULL);
3296 3296 }
3297 3297
3298 3298 /*ARGSUSED*/
3299 3299 int
3300 3300 ptree(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
3301 3301 {
3302 3302 if (!(flags & DCMD_ADDRSPEC))
3303 3303 addr = NULL;
3304 3304 else
3305 3305 ptree_ancestors(addr, addr);
3306 3306
3307 3307 if (mdb_pwalk("proc", (mdb_walk_cb_t)ptree_walk, NULL, addr) == -1) {
3308 3308 mdb_warn("couldn't walk 'proc'");
3309 3309 return (DCMD_ERR);
3310 3310 }
3311 3311
3312 3312 return (DCMD_OK);
3313 3313 }
3314 3314
3315 3315 /*ARGSUSED*/
3316 3316 static int
3317 3317 fd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
3318 3318 {
3319 3319 int fdnum;
3320 3320 const mdb_arg_t *argp = &argv[0];
3321 3321 proc_t p;
3322 3322 uf_entry_t uf;
3323 3323
3324 3324 if ((flags & DCMD_ADDRSPEC) == 0) {
3325 3325 mdb_warn("fd doesn't give global information\n");
3326 3326 return (DCMD_ERR);
3327 3327 }
3328 3328 if (argc != 1)
3329 3329 return (DCMD_USAGE);
3330 3330
3331 3331 if (argp->a_type == MDB_TYPE_IMMEDIATE)
3332 3332 fdnum = argp->a_un.a_val;
3333 3333 else
3334 3334 fdnum = mdb_strtoull(argp->a_un.a_str);
3335 3335
3336 3336 if (mdb_vread(&p, sizeof (struct proc), addr) == -1) {
3337 3337 mdb_warn("couldn't read proc_t at %p", addr);
3338 3338 return (DCMD_ERR);
3339 3339 }
3340 3340 if (fdnum > p.p_user.u_finfo.fi_nfiles) {
3341 3341 mdb_warn("process %p only has %d files open.\n",
3342 3342 addr, p.p_user.u_finfo.fi_nfiles);
3343 3343 return (DCMD_ERR);
3344 3344 }
3345 3345 if (mdb_vread(&uf, sizeof (uf_entry_t),
3346 3346 (uintptr_t)&p.p_user.u_finfo.fi_list[fdnum]) == -1) {
3347 3347 mdb_warn("couldn't read uf_entry_t at %p",
3348 3348 &p.p_user.u_finfo.fi_list[fdnum]);
3349 3349 return (DCMD_ERR);
3350 3350 }
3351 3351
3352 3352 mdb_printf("%p\n", uf.uf_file);
3353 3353 return (DCMD_OK);
3354 3354 }
3355 3355
3356 3356 /*ARGSUSED*/
3357 3357 static int
3358 3358 pid2proc(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
3359 3359 {
3360 3360 pid_t pid = (pid_t)addr;
3361 3361
3362 3362 if (argc != 0)
3363 3363 return (DCMD_USAGE);
3364 3364
3365 3365 if ((addr = mdb_pid2proc(pid, NULL)) == NULL) {
3366 3366 mdb_warn("PID 0t%d not found\n", pid);
3367 3367 return (DCMD_ERR);
3368 3368 }
3369 3369
3370 3370 mdb_printf("%p\n", addr);
3371 3371 return (DCMD_OK);
3372 3372 }
3373 3373
3374 3374 static char *sysfile_cmd[] = {
3375 3375 "exclude:",
3376 3376 "include:",
3377 3377 "forceload:",
3378 3378 "rootdev:",
3379 3379 "rootfs:",
3380 3380 "swapdev:",
3381 3381 "swapfs:",
3382 3382 "moddir:",
3383 3383 "set",
3384 3384 "unknown",
3385 3385 };
3386 3386
3387 3387 static char *sysfile_ops[] = { "", "=", "&", "|" };
3388 3388
3389 3389 /*ARGSUSED*/
3390 3390 static int
3391 3391 sysfile_vmem_seg(uintptr_t addr, const vmem_seg_t *vsp, void **target)
3392 3392 {
3393 3393 if (vsp->vs_type == VMEM_ALLOC && (void *)vsp->vs_start == *target) {
3394 3394 *target = NULL;
3395 3395 return (WALK_DONE);
3396 3396 }
3397 3397 return (WALK_NEXT);
3398 3398 }
3399 3399
3400 3400 /*ARGSUSED*/
3401 3401 static int
3402 3402 sysfile(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
3403 3403 {
3404 3404 struct sysparam *sysp, sys;
3405 3405 char var[256];
3406 3406 char modname[256];
3407 3407 char val[256];
3408 3408 char strval[256];
3409 3409 vmem_t *mod_sysfile_arena;
3410 3410 void *straddr;
3411 3411
3412 3412 if (mdb_readvar(&sysp, "sysparam_hd") == -1) {
3413 3413 mdb_warn("failed to read sysparam_hd");
3414 3414 return (DCMD_ERR);
3415 3415 }
3416 3416
3417 3417 if (mdb_readvar(&mod_sysfile_arena, "mod_sysfile_arena") == -1) {
3418 3418 mdb_warn("failed to read mod_sysfile_arena");
3419 3419 return (DCMD_ERR);
3420 3420 }
3421 3421
3422 3422 while (sysp != NULL) {
3423 3423 var[0] = '\0';
3424 3424 val[0] = '\0';
3425 3425 modname[0] = '\0';
3426 3426 if (mdb_vread(&sys, sizeof (sys), (uintptr_t)sysp) == -1) {
3427 3427 mdb_warn("couldn't read sysparam %p", sysp);
3428 3428 return (DCMD_ERR);
3429 3429 }
3430 3430 if (sys.sys_modnam != NULL &&
3431 3431 mdb_readstr(modname, 256,
3432 3432 (uintptr_t)sys.sys_modnam) == -1) {
3433 3433 mdb_warn("couldn't read modname in %p", sysp);
3434 3434 return (DCMD_ERR);
3435 3435 }
3436 3436 if (sys.sys_ptr != NULL &&
3437 3437 mdb_readstr(var, 256, (uintptr_t)sys.sys_ptr) == -1) {
3438 3438 mdb_warn("couldn't read ptr in %p", sysp);
3439 3439 return (DCMD_ERR);
3440 3440 }
3441 3441 if (sys.sys_op != SETOP_NONE) {
3442 3442 /*
3443 3443 * Is this an int or a string? We determine this
3444 3444 * by checking whether straddr is contained in
3445 3445 * mod_sysfile_arena. If so, the walker will set
3446 3446 * straddr to NULL.
3447 3447 */
3448 3448 straddr = (void *)(uintptr_t)sys.sys_info;
3449 3449 if (sys.sys_op == SETOP_ASSIGN &&
3450 3450 sys.sys_info != 0 &&
3451 3451 mdb_pwalk("vmem_seg",
3452 3452 (mdb_walk_cb_t)sysfile_vmem_seg, &straddr,
3453 3453 (uintptr_t)mod_sysfile_arena) == 0 &&
3454 3454 straddr == NULL &&
3455 3455 mdb_readstr(strval, 256,
3456 3456 (uintptr_t)sys.sys_info) != -1) {
3457 3457 (void) mdb_snprintf(val, sizeof (val), "\"%s\"",
3458 3458 strval);
3459 3459 } else {
3460 3460 (void) mdb_snprintf(val, sizeof (val),
3461 3461 "0x%llx [0t%llu]", sys.sys_info,
3462 3462 sys.sys_info);
3463 3463 }
3464 3464 }
3465 3465 mdb_printf("%s %s%s%s%s%s\n", sysfile_cmd[sys.sys_type],
3466 3466 modname, modname[0] == '\0' ? "" : ":",
3467 3467 var, sysfile_ops[sys.sys_op], val);
3468 3468
3469 3469 sysp = sys.sys_next;
3470 3470 }
3471 3471
3472 3472 return (DCMD_OK);
3473 3473 }
3474 3474
3475 3475 int
3476 3476 didmatch(uintptr_t addr, const kthread_t *thr, kt_did_t *didp)
3477 3477 {
3478 3478
3479 3479 if (*didp == thr->t_did) {
3480 3480 mdb_printf("%p\n", addr);
3481 3481 return (WALK_DONE);
3482 3482 } else
3483 3483 return (WALK_NEXT);
3484 3484 }
3485 3485
3486 3486 /*ARGSUSED*/
3487 3487 int
3488 3488 did2thread(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
3489 3489 {
3490 3490 const mdb_arg_t *argp = &argv[0];
3491 3491 kt_did_t did;
3492 3492
3493 3493 if (argc != 1)
3494 3494 return (DCMD_USAGE);
3495 3495
3496 3496 did = (kt_did_t)mdb_strtoull(argp->a_un.a_str);
3497 3497
3498 3498 if (mdb_walk("thread", (mdb_walk_cb_t)didmatch, (void *)&did) == -1) {
3499 3499 mdb_warn("failed to walk thread");
3500 3500 return (DCMD_ERR);
3501 3501
3502 3502 }
3503 3503 return (DCMD_OK);
3504 3504
3505 3505 }
3506 3506
3507 3507 static int
3508 3508 errorq_walk_init(mdb_walk_state_t *wsp)
3509 3509 {
3510 3510 if (wsp->walk_addr == NULL &&
3511 3511 mdb_readvar(&wsp->walk_addr, "errorq_list") == -1) {
3512 3512 mdb_warn("failed to read errorq_list");
3513 3513 return (WALK_ERR);
3514 3514 }
3515 3515
3516 3516 return (WALK_NEXT);
3517 3517 }
3518 3518
3519 3519 static int
3520 3520 errorq_walk_step(mdb_walk_state_t *wsp)
3521 3521 {
3522 3522 uintptr_t addr = wsp->walk_addr;
3523 3523 errorq_t eq;
3524 3524
3525 3525 if (addr == NULL)
3526 3526 return (WALK_DONE);
3527 3527
3528 3528 if (mdb_vread(&eq, sizeof (eq), addr) == -1) {
3529 3529 mdb_warn("failed to read errorq at %p", addr);
3530 3530 return (WALK_ERR);
3531 3531 }
3532 3532
3533 3533 wsp->walk_addr = (uintptr_t)eq.eq_next;
3534 3534 return (wsp->walk_callback(addr, &eq, wsp->walk_cbdata));
3535 3535 }
3536 3536
3537 3537 typedef struct eqd_walk_data {
3538 3538 uintptr_t *eqd_stack;
3539 3539 void *eqd_buf;
3540 3540 ulong_t eqd_qpos;
3541 3541 ulong_t eqd_qlen;
3542 3542 size_t eqd_size;
3543 3543 } eqd_walk_data_t;
3544 3544
3545 3545 /*
3546 3546 * In order to walk the list of pending error queue elements, we push the
3547 3547 * addresses of the corresponding data buffers in to the eqd_stack array.
3548 3548 * The error lists are in reverse chronological order when iterating using
3549 3549 * eqe_prev, so we then pop things off the top in eqd_walk_step so that the
3550 3550 * walker client gets addresses in order from oldest error to newest error.
3551 3551 */
3552 3552 static void
3553 3553 eqd_push_list(eqd_walk_data_t *eqdp, uintptr_t addr)
3554 3554 {
3555 3555 errorq_elem_t eqe;
3556 3556
3557 3557 while (addr != NULL) {
3558 3558 if (mdb_vread(&eqe, sizeof (eqe), addr) != sizeof (eqe)) {
3559 3559 mdb_warn("failed to read errorq element at %p", addr);
3560 3560 break;
3561 3561 }
3562 3562
3563 3563 if (eqdp->eqd_qpos == eqdp->eqd_qlen) {
3564 3564 mdb_warn("errorq is overfull -- more than %lu "
3565 3565 "elems found\n", eqdp->eqd_qlen);
3566 3566 break;
3567 3567 }
3568 3568
3569 3569 eqdp->eqd_stack[eqdp->eqd_qpos++] = (uintptr_t)eqe.eqe_data;
3570 3570 addr = (uintptr_t)eqe.eqe_prev;
3571 3571 }
3572 3572 }
3573 3573
3574 3574 static int
3575 3575 eqd_walk_init(mdb_walk_state_t *wsp)
3576 3576 {
3577 3577 eqd_walk_data_t *eqdp;
3578 3578 errorq_elem_t eqe, *addr;
3579 3579 errorq_t eq;
3580 3580 ulong_t i;
3581 3581
3582 3582 if (mdb_vread(&eq, sizeof (eq), wsp->walk_addr) == -1) {
3583 3583 mdb_warn("failed to read errorq at %p", wsp->walk_addr);
3584 3584 return (WALK_ERR);
3585 3585 }
3586 3586
3587 3587 if (eq.eq_ptail != NULL &&
3588 3588 mdb_vread(&eqe, sizeof (eqe), (uintptr_t)eq.eq_ptail) == -1) {
3589 3589 mdb_warn("failed to read errorq element at %p", eq.eq_ptail);
3590 3590 return (WALK_ERR);
3591 3591 }
3592 3592
3593 3593 eqdp = mdb_alloc(sizeof (eqd_walk_data_t), UM_SLEEP);
3594 3594 wsp->walk_data = eqdp;
3595 3595
3596 3596 eqdp->eqd_stack = mdb_zalloc(sizeof (uintptr_t) * eq.eq_qlen, UM_SLEEP);
3597 3597 eqdp->eqd_buf = mdb_alloc(eq.eq_size, UM_SLEEP);
3598 3598 eqdp->eqd_qlen = eq.eq_qlen;
3599 3599 eqdp->eqd_qpos = 0;
↓ open down ↓ |
3599 lines elided |
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3600 3600 eqdp->eqd_size = eq.eq_size;
3601 3601
3602 3602 /*
3603 3603 * The newest elements in the queue are on the pending list, so we
3604 3604 * push those on to our stack first.
3605 3605 */
3606 3606 eqd_push_list(eqdp, (uintptr_t)eq.eq_pend);
3607 3607
3608 3608 /*
3609 3609 * If eq_ptail is set, it may point to a subset of the errors on the
3610 - * pending list in the event a casptr() failed; if ptail's data is
3611 - * already in our stack, NULL out eq_ptail and ignore it.
3610 + * pending list in the event a atomic_cas_ptr() failed; if ptail's
3611 + * data is already in our stack, NULL out eq_ptail and ignore it.
3612 3612 */
3613 3613 if (eq.eq_ptail != NULL) {
3614 3614 for (i = 0; i < eqdp->eqd_qpos; i++) {
3615 3615 if (eqdp->eqd_stack[i] == (uintptr_t)eqe.eqe_data) {
3616 3616 eq.eq_ptail = NULL;
3617 3617 break;
3618 3618 }
3619 3619 }
3620 3620 }
3621 3621
3622 3622 /*
3623 3623 * If eq_phead is set, it has the processing list in order from oldest
3624 3624 * to newest. Use this to recompute eq_ptail as best we can and then
3625 3625 * we nicely fall into eqd_push_list() of eq_ptail below.
3626 3626 */
3627 3627 for (addr = eq.eq_phead; addr != NULL && mdb_vread(&eqe, sizeof (eqe),
3628 3628 (uintptr_t)addr) == sizeof (eqe); addr = eqe.eqe_next)
3629 3629 eq.eq_ptail = addr;
3630 3630
3631 3631 /*
3632 3632 * The oldest elements in the queue are on the processing list, subject
3633 3633 * to machinations in the if-clauses above. Push any such elements.
3634 3634 */
3635 3635 eqd_push_list(eqdp, (uintptr_t)eq.eq_ptail);
3636 3636 return (WALK_NEXT);
3637 3637 }
3638 3638
3639 3639 static int
3640 3640 eqd_walk_step(mdb_walk_state_t *wsp)
3641 3641 {
3642 3642 eqd_walk_data_t *eqdp = wsp->walk_data;
3643 3643 uintptr_t addr;
3644 3644
3645 3645 if (eqdp->eqd_qpos == 0)
3646 3646 return (WALK_DONE);
3647 3647
3648 3648 addr = eqdp->eqd_stack[--eqdp->eqd_qpos];
3649 3649
3650 3650 if (mdb_vread(eqdp->eqd_buf, eqdp->eqd_size, addr) != eqdp->eqd_size) {
3651 3651 mdb_warn("failed to read errorq data at %p", addr);
3652 3652 return (WALK_ERR);
3653 3653 }
3654 3654
3655 3655 return (wsp->walk_callback(addr, eqdp->eqd_buf, wsp->walk_cbdata));
3656 3656 }
3657 3657
3658 3658 static void
3659 3659 eqd_walk_fini(mdb_walk_state_t *wsp)
3660 3660 {
3661 3661 eqd_walk_data_t *eqdp = wsp->walk_data;
3662 3662
3663 3663 mdb_free(eqdp->eqd_stack, sizeof (uintptr_t) * eqdp->eqd_qlen);
3664 3664 mdb_free(eqdp->eqd_buf, eqdp->eqd_size);
3665 3665 mdb_free(eqdp, sizeof (eqd_walk_data_t));
3666 3666 }
3667 3667
3668 3668 #define EQKSVAL(eqv, what) (eqv.eq_kstat.what.value.ui64)
3669 3669
3670 3670 static int
3671 3671 errorq(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
3672 3672 {
3673 3673 int i;
3674 3674 errorq_t eq;
3675 3675 uint_t opt_v = FALSE;
3676 3676
3677 3677 if (!(flags & DCMD_ADDRSPEC)) {
3678 3678 if (mdb_walk_dcmd("errorq", "errorq", argc, argv) == -1) {
3679 3679 mdb_warn("can't walk 'errorq'");
3680 3680 return (DCMD_ERR);
3681 3681 }
3682 3682 return (DCMD_OK);
3683 3683 }
3684 3684
3685 3685 i = mdb_getopts(argc, argv, 'v', MDB_OPT_SETBITS, TRUE, &opt_v, NULL);
3686 3686 argc -= i;
3687 3687 argv += i;
3688 3688
3689 3689 if (argc != 0)
3690 3690 return (DCMD_USAGE);
3691 3691
3692 3692 if (opt_v || DCMD_HDRSPEC(flags)) {
3693 3693 mdb_printf("%<u>%-11s %-16s %1s %1s %1s ",
3694 3694 "ADDR", "NAME", "S", "V", "N");
3695 3695 if (!opt_v) {
3696 3696 mdb_printf("%7s %7s %7s%</u>\n",
3697 3697 "ACCEPT", "DROP", "LOG");
3698 3698 } else {
3699 3699 mdb_printf("%5s %6s %6s %3s %16s%</u>\n",
3700 3700 "KSTAT", "QLEN", "SIZE", "IPL", "FUNC");
3701 3701 }
3702 3702 }
3703 3703
3704 3704 if (mdb_vread(&eq, sizeof (eq), addr) != sizeof (eq)) {
3705 3705 mdb_warn("failed to read errorq at %p", addr);
3706 3706 return (DCMD_ERR);
3707 3707 }
3708 3708
3709 3709 mdb_printf("%-11p %-16s %c %c %c ", addr, eq.eq_name,
3710 3710 (eq.eq_flags & ERRORQ_ACTIVE) ? '+' : '-',
3711 3711 (eq.eq_flags & ERRORQ_VITAL) ? '!' : ' ',
3712 3712 (eq.eq_flags & ERRORQ_NVLIST) ? '*' : ' ');
3713 3713
3714 3714 if (!opt_v) {
3715 3715 mdb_printf("%7llu %7llu %7llu\n",
3716 3716 EQKSVAL(eq, eqk_dispatched) + EQKSVAL(eq, eqk_committed),
3717 3717 EQKSVAL(eq, eqk_dropped) + EQKSVAL(eq, eqk_reserve_fail) +
3718 3718 EQKSVAL(eq, eqk_commit_fail), EQKSVAL(eq, eqk_logged));
3719 3719 } else {
3720 3720 mdb_printf("%5s %6lu %6lu %3u %a\n",
3721 3721 " | ", eq.eq_qlen, eq.eq_size, eq.eq_ipl, eq.eq_func);
3722 3722 mdb_printf("%38s\n%41s"
3723 3723 "%12s %llu\n"
3724 3724 "%53s %llu\n"
3725 3725 "%53s %llu\n"
3726 3726 "%53s %llu\n"
3727 3727 "%53s %llu\n"
3728 3728 "%53s %llu\n"
3729 3729 "%53s %llu\n"
3730 3730 "%53s %llu\n\n",
3731 3731 "|", "+-> ",
3732 3732 "DISPATCHED", EQKSVAL(eq, eqk_dispatched),
3733 3733 "DROPPED", EQKSVAL(eq, eqk_dropped),
3734 3734 "LOGGED", EQKSVAL(eq, eqk_logged),
3735 3735 "RESERVED", EQKSVAL(eq, eqk_reserved),
3736 3736 "RESERVE FAIL", EQKSVAL(eq, eqk_reserve_fail),
3737 3737 "COMMITTED", EQKSVAL(eq, eqk_committed),
3738 3738 "COMMIT FAIL", EQKSVAL(eq, eqk_commit_fail),
3739 3739 "CANCELLED", EQKSVAL(eq, eqk_cancelled));
3740 3740 }
3741 3741
3742 3742 return (DCMD_OK);
3743 3743 }
3744 3744
3745 3745 /*ARGSUSED*/
3746 3746 static int
3747 3747 panicinfo(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
3748 3748 {
3749 3749 cpu_t panic_cpu;
3750 3750 kthread_t *panic_thread;
3751 3751 void *buf;
3752 3752 panic_data_t *pd;
3753 3753 int i, n;
3754 3754
3755 3755 if (!mdb_prop_postmortem) {
3756 3756 mdb_warn("panicinfo can only be run on a system "
3757 3757 "dump; see dumpadm(1M)\n");
3758 3758 return (DCMD_ERR);
3759 3759 }
3760 3760
3761 3761 if (flags & DCMD_ADDRSPEC || argc != 0)
3762 3762 return (DCMD_USAGE);
3763 3763
3764 3764 if (mdb_readsym(&panic_cpu, sizeof (cpu_t), "panic_cpu") == -1)
3765 3765 mdb_warn("failed to read 'panic_cpu'");
3766 3766 else
3767 3767 mdb_printf("%16s %?d\n", "cpu", panic_cpu.cpu_id);
3768 3768
3769 3769 if (mdb_readvar(&panic_thread, "panic_thread") == -1)
3770 3770 mdb_warn("failed to read 'panic_thread'");
3771 3771 else
3772 3772 mdb_printf("%16s %?p\n", "thread", panic_thread);
3773 3773
3774 3774 buf = mdb_alloc(PANICBUFSIZE, UM_SLEEP);
3775 3775 pd = (panic_data_t *)buf;
3776 3776
3777 3777 if (mdb_readsym(buf, PANICBUFSIZE, "panicbuf") == -1 ||
3778 3778 pd->pd_version != PANICBUFVERS) {
3779 3779 mdb_warn("failed to read 'panicbuf'");
3780 3780 mdb_free(buf, PANICBUFSIZE);
3781 3781 return (DCMD_ERR);
3782 3782 }
3783 3783
3784 3784 mdb_printf("%16s %s\n", "message", (char *)buf + pd->pd_msgoff);
3785 3785
3786 3786 n = (pd->pd_msgoff - (sizeof (panic_data_t) -
3787 3787 sizeof (panic_nv_t))) / sizeof (panic_nv_t);
3788 3788
3789 3789 for (i = 0; i < n; i++)
3790 3790 mdb_printf("%16s %?llx\n",
3791 3791 pd->pd_nvdata[i].pnv_name, pd->pd_nvdata[i].pnv_value);
3792 3792
3793 3793 mdb_free(buf, PANICBUFSIZE);
3794 3794 return (DCMD_OK);
3795 3795 }
3796 3796
3797 3797 /*
3798 3798 * ::time dcmd, which will print a hires timestamp of when we entered the
3799 3799 * debugger, or the lbolt value if used with the -l option.
3800 3800 *
3801 3801 */
3802 3802 /*ARGSUSED*/
3803 3803 static int
3804 3804 time(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
3805 3805 {
3806 3806 uint_t opt_dec = FALSE;
3807 3807 uint_t opt_lbolt = FALSE;
3808 3808 uint_t opt_hex = FALSE;
3809 3809 const char *fmt;
3810 3810 hrtime_t result;
3811 3811
3812 3812 if (mdb_getopts(argc, argv,
3813 3813 'd', MDB_OPT_SETBITS, TRUE, &opt_dec,
3814 3814 'l', MDB_OPT_SETBITS, TRUE, &opt_lbolt,
3815 3815 'x', MDB_OPT_SETBITS, TRUE, &opt_hex,
3816 3816 NULL) != argc)
3817 3817 return (DCMD_USAGE);
3818 3818
3819 3819 if (opt_dec && opt_hex)
3820 3820 return (DCMD_USAGE);
3821 3821
3822 3822 result = opt_lbolt ? mdb_get_lbolt() : mdb_gethrtime();
3823 3823 fmt =
3824 3824 opt_hex ? "0x%llx\n" :
3825 3825 opt_dec ? "0t%lld\n" : "%#llr\n";
3826 3826
3827 3827 mdb_printf(fmt, result);
3828 3828 return (DCMD_OK);
3829 3829 }
3830 3830
3831 3831 void
3832 3832 time_help(void)
3833 3833 {
3834 3834 mdb_printf("Prints the system time in nanoseconds.\n\n"
3835 3835 "::time will return the timestamp at which we dropped into, \n"
3836 3836 "if called from, kmdb(1); the core dump's high resolution \n"
3837 3837 "time if inspecting one; or the running hires time if we're \n"
3838 3838 "looking at a live system.\n\n"
3839 3839 "Switches:\n"
3840 3840 " -d report times in decimal\n"
3841 3841 " -l prints the number of clock ticks since system boot\n"
3842 3842 " -x report times in hexadecimal\n");
3843 3843 }
3844 3844
3845 3845 static const mdb_dcmd_t dcmds[] = {
3846 3846
3847 3847 /* from genunix.c */
3848 3848 { "as2proc", ":", "convert as to proc_t address", as2proc },
3849 3849 { "binding_hash_entry", ":", "print driver names hash table entry",
3850 3850 binding_hash_entry },
3851 3851 { "callout", "?[-r|n] [-s|l] [-xhB] [-t | -ab nsec [-dkD]]"
3852 3852 " [-C addr | -S seqid] [-f name|addr] [-p name| addr] [-T|L [-E]]"
3853 3853 " [-FivVA]",
3854 3854 "display callouts", callout, callout_help },
3855 3855 { "calloutid", "[-d|v] xid", "print callout by extended id",
3856 3856 calloutid, calloutid_help },
3857 3857 { "class", NULL, "print process scheduler classes", class },
3858 3858 { "cpuinfo", "?[-v]", "print CPUs and runnable threads", cpuinfo },
3859 3859 { "did2thread", "? kt_did", "find kernel thread for this id",
3860 3860 did2thread },
3861 3861 { "errorq", "?[-v]", "display kernel error queues", errorq },
3862 3862 { "fd", ":[fd num]", "get a file pointer from an fd", fd },
3863 3863 { "flipone", ":", "the vik_rev_level 2 special", flipone },
3864 3864 { "lminfo", NULL, "print lock manager information", lminfo },
3865 3865 { "ndi_event_hdl", "?", "print ndi_event_hdl", ndi_event_hdl },
3866 3866 { "panicinfo", NULL, "print panic information", panicinfo },
3867 3867 { "pid2proc", "?", "convert PID to proc_t address", pid2proc },
3868 3868 { "project", NULL, "display kernel project(s)", project },
3869 3869 { "ps", "[-fltzTP]", "list processes (and associated thr,lwp)", ps },
3870 3870 { "pgrep", "[-x] [-n | -o] pattern",
3871 3871 "pattern match against all processes", pgrep },
3872 3872 { "ptree", NULL, "print process tree", ptree },
3873 3873 { "sysevent", "?[-sv]", "print sysevent pending or sent queue",
3874 3874 sysevent},
3875 3875 { "sysevent_channel", "?", "print sysevent channel database",
3876 3876 sysevent_channel},
3877 3877 { "sysevent_class_list", ":", "print sysevent class list",
3878 3878 sysevent_class_list},
3879 3879 { "sysevent_subclass_list", ":",
3880 3880 "print sysevent subclass list", sysevent_subclass_list},
3881 3881 { "system", NULL, "print contents of /etc/system file", sysfile },
3882 3882 { "task", NULL, "display kernel task(s)", task },
3883 3883 { "time", "[-dlx]", "display system time", time, time_help },
3884 3884 { "vnode2path", ":[-F]", "vnode address to pathname", vnode2path },
3885 3885 { "whereopen", ":", "given a vnode, dumps procs which have it open",
3886 3886 whereopen },
3887 3887
3888 3888 /* from bio.c */
3889 3889 { "bufpagefind", ":addr", "find page_t on buf_t list", bufpagefind },
3890 3890
3891 3891 /* from bitset.c */
3892 3892 { "bitset", ":", "display a bitset", bitset, bitset_help },
3893 3893
3894 3894 /* from contract.c */
3895 3895 { "contract", "?", "display a contract", cmd_contract },
3896 3896 { "ctevent", ":", "display a contract event", cmd_ctevent },
3897 3897 { "ctid", ":", "convert id to a contract pointer", cmd_ctid },
3898 3898
3899 3899 /* from cpupart.c */
3900 3900 { "cpupart", "?[-v]", "print cpu partition info", cpupart },
3901 3901
3902 3902 /* from cred.c */
3903 3903 { "cred", ":[-v]", "display a credential", cmd_cred },
3904 3904 { "credgrp", ":[-v]", "display cred_t groups", cmd_credgrp },
3905 3905 { "credsid", ":[-v]", "display a credsid_t", cmd_credsid },
3906 3906 { "ksidlist", ":[-v]", "display a ksidlist_t", cmd_ksidlist },
3907 3907
3908 3908 /* from cyclic.c */
3909 3909 { "cyccover", NULL, "dump cyclic coverage information", cyccover },
3910 3910 { "cycid", "?", "dump a cyclic id", cycid },
3911 3911 { "cycinfo", "?", "dump cyc_cpu info", cycinfo },
3912 3912 { "cyclic", ":", "developer information", cyclic },
3913 3913 { "cyctrace", "?", "dump cyclic trace buffer", cyctrace },
3914 3914
3915 3915 /* from damap.c */
3916 3916 { "damap", ":", "display a damap_t", damap, damap_help },
3917 3917
3918 3918 /* from ddi_periodic.c */
3919 3919 { "ddi_periodic", "?[-v]", "dump ddi_periodic_impl_t info", dprinfo },
3920 3920
3921 3921 /* from devinfo.c */
3922 3922 { "devbindings", "?[-qs] [device-name | major-num]",
3923 3923 "print devinfo nodes bound to device-name or major-num",
3924 3924 devbindings, devinfo_help },
3925 3925 { "devinfo", ":[-qs]", "detailed devinfo of one node", devinfo,
3926 3926 devinfo_help },
3927 3927 { "devinfo_audit", ":[-v]", "devinfo configuration audit record",
3928 3928 devinfo_audit },
3929 3929 { "devinfo_audit_log", "?[-v]", "system wide devinfo configuration log",
3930 3930 devinfo_audit_log },
3931 3931 { "devinfo_audit_node", ":[-v]", "devinfo node configuration history",
3932 3932 devinfo_audit_node },
3933 3933 { "devinfo2driver", ":", "find driver name for this devinfo node",
3934 3934 devinfo2driver },
3935 3935 { "devnames", "?[-vm] [num]", "print devnames array", devnames },
3936 3936 { "dev2major", "?<dev_t>", "convert dev_t to a major number",
3937 3937 dev2major },
3938 3938 { "dev2minor", "?<dev_t>", "convert dev_t to a minor number",
3939 3939 dev2minor },
3940 3940 { "devt", "?<dev_t>", "display a dev_t's major and minor numbers",
3941 3941 devt },
3942 3942 { "major2name", "?<major-num>", "convert major number to dev name",
3943 3943 major2name },
3944 3944 { "minornodes", ":", "given a devinfo node, print its minor nodes",
3945 3945 minornodes },
3946 3946 { "modctl2devinfo", ":", "given a modctl, list its devinfos",
3947 3947 modctl2devinfo },
3948 3948 { "name2major", "<dev-name>", "convert dev name to major number",
3949 3949 name2major },
3950 3950 { "prtconf", "?[-vpc]", "print devinfo tree", prtconf, prtconf_help },
3951 3951 { "softstate", ":<instance>", "retrieve soft-state pointer",
3952 3952 softstate },
3953 3953 { "devinfo_fm", ":", "devinfo fault managment configuration",
3954 3954 devinfo_fm },
3955 3955 { "devinfo_fmce", ":", "devinfo fault managment cache entry",
3956 3956 devinfo_fmce},
3957 3957
3958 3958 /* from findstack.c */
3959 3959 { "findstack", ":[-v]", "find kernel thread stack", findstack },
3960 3960 { "findstack_debug", NULL, "toggle findstack debugging",
3961 3961 findstack_debug },
3962 3962 { "stacks", "?[-afiv] [-c func] [-C func] [-m module] [-M module] "
3963 3963 "[-s sobj | -S sobj] [-t tstate | -T tstate]",
3964 3964 "print unique kernel thread stacks",
3965 3965 stacks, stacks_help },
3966 3966
3967 3967 /* from fm.c */
3968 3968 { "ereport", "[-v]", "print ereports logged in dump",
3969 3969 ereport },
3970 3970
3971 3971 /* from group.c */
3972 3972 { "group", "?[-q]", "display a group", group},
3973 3973
3974 3974 /* from hotplug.c */
3975 3975 { "hotplug", "?[-p]", "display a registered hotplug attachment",
3976 3976 hotplug, hotplug_help },
3977 3977
3978 3978 /* from irm.c */
3979 3979 { "irmpools", NULL, "display interrupt pools", irmpools_dcmd },
3980 3980 { "irmreqs", NULL, "display interrupt requests in an interrupt pool",
3981 3981 irmreqs_dcmd },
3982 3982 { "irmreq", NULL, "display an interrupt request", irmreq_dcmd },
3983 3983
3984 3984 /* from kgrep.c + genunix.c */
3985 3985 { "kgrep", KGREP_USAGE, "search kernel as for a pointer", kgrep,
3986 3986 kgrep_help },
3987 3987
3988 3988 /* from kmem.c */
3989 3989 { "allocdby", ":", "given a thread, print its allocated buffers",
3990 3990 allocdby },
3991 3991 { "bufctl", ":[-vh] [-a addr] [-c caller] [-e earliest] [-l latest] "
3992 3992 "[-t thd]", "print or filter a bufctl", bufctl, bufctl_help },
3993 3993 { "freedby", ":", "given a thread, print its freed buffers", freedby },
3994 3994 { "kmalog", "?[ fail | slab ]",
3995 3995 "display kmem transaction log and stack traces", kmalog },
3996 3996 { "kmastat", "[-kmg]", "kernel memory allocator stats",
3997 3997 kmastat },
3998 3998 { "kmausers", "?[-ef] [cache ...]", "current medium and large users "
3999 3999 "of the kmem allocator", kmausers, kmausers_help },
4000 4000 { "kmem_cache", "?[-n name]",
4001 4001 "print kernel memory caches", kmem_cache, kmem_cache_help},
4002 4002 { "kmem_slabs", "?[-v] [-n cache] [-N cache] [-b maxbins] "
4003 4003 "[-B minbinsize]", "display slab usage per kmem cache",
4004 4004 kmem_slabs, kmem_slabs_help },
4005 4005 { "kmem_debug", NULL, "toggle kmem dcmd/walk debugging", kmem_debug },
4006 4006 { "kmem_log", "?[-b]", "dump kmem transaction log", kmem_log },
4007 4007 { "kmem_verify", "?", "check integrity of kmem-managed memory",
4008 4008 kmem_verify },
4009 4009 { "vmem", "?", "print a vmem_t", vmem },
4010 4010 { "vmem_seg", ":[-sv] [-c caller] [-e earliest] [-l latest] "
4011 4011 "[-m minsize] [-M maxsize] [-t thread] [-T type]",
4012 4012 "print or filter a vmem_seg", vmem_seg, vmem_seg_help },
4013 4013 { "whatthread", ":[-v]", "print threads whose stack contains the "
4014 4014 "given address", whatthread },
4015 4015
4016 4016 /* from ldi.c */
4017 4017 { "ldi_handle", "?[-i]", "display a layered driver handle",
4018 4018 ldi_handle, ldi_handle_help },
4019 4019 { "ldi_ident", NULL, "display a layered driver identifier",
4020 4020 ldi_ident, ldi_ident_help },
4021 4021
4022 4022 /* from leaky.c + leaky_subr.c */
4023 4023 { "findleaks", FINDLEAKS_USAGE,
4024 4024 "search for potential kernel memory leaks", findleaks,
4025 4025 findleaks_help },
4026 4026
4027 4027 /* from lgrp.c */
4028 4028 { "lgrp", "?[-q] [-p | -Pih]", "display an lgrp", lgrp},
4029 4029 { "lgrp_set", "", "display bitmask of lgroups as a list", lgrp_set},
4030 4030
4031 4031 /* from log.c */
4032 4032 { "msgbuf", "?[-v]", "print most recent console messages", msgbuf },
4033 4033
4034 4034 /* from mdi.c */
4035 4035 { "mdipi", NULL, "given a path, dump mdi_pathinfo "
4036 4036 "and detailed pi_prop list", mdipi },
4037 4037 { "mdiprops", NULL, "given a pi_prop, dump the pi_prop list",
4038 4038 mdiprops },
4039 4039 { "mdiphci", NULL, "given a phci, dump mdi_phci and "
4040 4040 "list all paths", mdiphci },
4041 4041 { "mdivhci", NULL, "given a vhci, dump mdi_vhci and list "
4042 4042 "all phcis", mdivhci },
4043 4043 { "mdiclient_paths", NULL, "given a path, walk mdi_pathinfo "
4044 4044 "client links", mdiclient_paths },
4045 4045 { "mdiphci_paths", NULL, "given a path, walk through mdi_pathinfo "
4046 4046 "phci links", mdiphci_paths },
4047 4047 { "mdiphcis", NULL, "given a phci, walk through mdi_phci ph_next links",
4048 4048 mdiphcis },
4049 4049
4050 4050 /* from memory.c */
4051 4051 { "addr2smap", ":[offset]", "translate address to smap", addr2smap },
4052 4052 { "memlist", "?[-iav]", "display a struct memlist", memlist },
4053 4053 { "memstat", NULL, "display memory usage summary", memstat },
4054 4054 { "page", "?", "display a summarized page_t", page },
4055 4055 { "pagelookup", "?[-v vp] [-o offset]",
4056 4056 "find the page_t with the name {vp, offset}",
4057 4057 pagelookup, pagelookup_help },
4058 4058 { "page_num2pp", ":", "find the page_t for a given page frame number",
4059 4059 page_num2pp },
4060 4060 { "pmap", ":[-q]", "print process memory map", pmap },
4061 4061 { "seg", ":", "print address space segment", seg },
4062 4062 { "swapinfo", "?", "display a struct swapinfo", swapinfof },
4063 4063 { "vnode2smap", ":[offset]", "translate vnode to smap", vnode2smap },
4064 4064
4065 4065 /* from mmd.c */
4066 4066 { "multidata", ":[-sv]", "display a summarized multidata_t",
4067 4067 multidata },
4068 4068 { "pattbl", ":", "display a summarized multidata attribute table",
4069 4069 pattbl },
4070 4070 { "pattr2multidata", ":", "print multidata pointer from pattr_t",
4071 4071 pattr2multidata },
4072 4072 { "pdesc2slab", ":", "print pdesc slab pointer from pdesc_t",
4073 4073 pdesc2slab },
4074 4074 { "pdesc_verify", ":", "verify integrity of a pdesc_t", pdesc_verify },
4075 4075 { "slab2multidata", ":", "print multidata pointer from pdesc_slab_t",
4076 4076 slab2multidata },
4077 4077
4078 4078 /* from modhash.c */
4079 4079 { "modhash", "?[-ceht] [-k key] [-v val] [-i index]",
4080 4080 "display information about one or all mod_hash structures",
4081 4081 modhash, modhash_help },
4082 4082 { "modent", ":[-k | -v | -t type]",
4083 4083 "display information about a mod_hash_entry", modent,
4084 4084 modent_help },
4085 4085
4086 4086 /* from net.c */
4087 4087 { "dladm", "?<sub-command> [flags]", "show data link information",
4088 4088 dladm, dladm_help },
4089 4089 { "mi", ":[-p] [-d | -m]", "filter and display MI object or payload",
4090 4090 mi },
4091 4091 { "netstat", "[-arv] [-f inet | inet6 | unix] [-P tcp | udp | icmp]",
4092 4092 "show network statistics", netstat },
4093 4093 { "sonode", "?[-f inet | inet6 | unix | #] "
4094 4094 "[-t stream | dgram | raw | #] [-p #]",
4095 4095 "filter and display sonode", sonode },
4096 4096
4097 4097 /* from netstack.c */
4098 4098 { "netstack", "", "show stack instances", netstack },
4099 4099
4100 4100 /* from nvpair.c */
4101 4101 { NVPAIR_DCMD_NAME, NVPAIR_DCMD_USAGE, NVPAIR_DCMD_DESCR,
4102 4102 nvpair_print },
4103 4103 { NVLIST_DCMD_NAME, NVLIST_DCMD_USAGE, NVLIST_DCMD_DESCR,
4104 4104 print_nvlist },
4105 4105
4106 4106 /* from pg.c */
4107 4107 { "pg", "?[-q]", "display a pg", pg},
4108 4108
4109 4109 /* from rctl.c */
4110 4110 { "rctl_dict", "?", "print systemwide default rctl definitions",
4111 4111 rctl_dict },
4112 4112 { "rctl_list", ":[handle]", "print rctls for the given proc",
4113 4113 rctl_list },
4114 4114 { "rctl", ":[handle]", "print a rctl_t, only if it matches the handle",
4115 4115 rctl },
4116 4116 { "rctl_validate", ":[-v] [-n #]", "test resource control value "
4117 4117 "sequence", rctl_validate },
4118 4118
4119 4119 /* from sobj.c */
4120 4120 { "rwlock", ":", "dump out a readers/writer lock", rwlock },
4121 4121 { "mutex", ":[-f]", "dump out an adaptive or spin mutex", mutex,
4122 4122 mutex_help },
4123 4123 { "sobj2ts", ":", "perform turnstile lookup on synch object", sobj2ts },
4124 4124 { "wchaninfo", "?[-v]", "dump condition variable", wchaninfo },
4125 4125 { "turnstile", "?", "display a turnstile", turnstile },
4126 4126
4127 4127 /* from stream.c */
4128 4128 { "mblk", ":[-q|v] [-f|F flag] [-t|T type] [-l|L|B len] [-d dbaddr]",
4129 4129 "print an mblk", mblk_prt, mblk_help },
4130 4130 { "mblk_verify", "?", "verify integrity of an mblk", mblk_verify },
4131 4131 { "mblk2dblk", ":", "convert mblk_t address to dblk_t address",
4132 4132 mblk2dblk },
4133 4133 { "q2otherq", ":", "print peer queue for a given queue", q2otherq },
4134 4134 { "q2rdq", ":", "print read queue for a given queue", q2rdq },
4135 4135 { "q2syncq", ":", "print syncq for a given queue", q2syncq },
4136 4136 { "q2stream", ":", "print stream pointer for a given queue", q2stream },
4137 4137 { "q2wrq", ":", "print write queue for a given queue", q2wrq },
4138 4138 { "queue", ":[-q|v] [-m mod] [-f flag] [-F flag] [-s syncq_addr]",
4139 4139 "filter and display STREAM queue", queue, queue_help },
4140 4140 { "stdata", ":[-q|v] [-f flag] [-F flag]",
4141 4141 "filter and display STREAM head", stdata, stdata_help },
4142 4142 { "str2mate", ":", "print mate of this stream", str2mate },
4143 4143 { "str2wrq", ":", "print write queue of this stream", str2wrq },
4144 4144 { "stream", ":", "display STREAM", stream },
4145 4145 { "strftevent", ":", "print STREAMS flow trace event", strftevent },
4146 4146 { "syncq", ":[-q|v] [-f flag] [-F flag] [-t type] [-T type]",
4147 4147 "filter and display STREAM sync queue", syncq, syncq_help },
4148 4148 { "syncq2q", ":", "print queue for a given syncq", syncq2q },
4149 4149
4150 4150 /* from taskq.c */
4151 4151 { "taskq", ":[-atT] [-m min_maxq] [-n name]",
4152 4152 "display a taskq", taskq, taskq_help },
4153 4153 { "taskq_entry", ":", "display a taskq_ent_t", taskq_ent },
4154 4154
4155 4155 /* from thread.c */
4156 4156 { "thread", "?[-bdfimps]", "display a summarized kthread_t", thread,
4157 4157 thread_help },
4158 4158 { "threadlist", "?[-t] [-v [count]]",
4159 4159 "display threads and associated C stack traces", threadlist,
4160 4160 threadlist_help },
4161 4161 { "stackinfo", "?[-h|-a]", "display kthread_t stack usage", stackinfo,
4162 4162 stackinfo_help },
4163 4163
4164 4164 /* from tsd.c */
4165 4165 { "tsd", ":-k key", "print tsd[key-1] for this thread", ttotsd },
4166 4166 { "tsdtot", ":", "find thread with this tsd", tsdtot },
4167 4167
4168 4168 /*
4169 4169 * typegraph does not work under kmdb, as it requires too much memory
4170 4170 * for its internal data structures.
4171 4171 */
4172 4172 #ifndef _KMDB
4173 4173 /* from typegraph.c */
4174 4174 { "findlocks", ":", "find locks held by specified thread", findlocks },
4175 4175 { "findfalse", "?[-v]", "find potentially falsely shared structures",
4176 4176 findfalse },
4177 4177 { "typegraph", NULL, "build type graph", typegraph },
4178 4178 { "istype", ":type", "manually set object type", istype },
4179 4179 { "notype", ":", "manually clear object type", notype },
4180 4180 { "whattype", ":", "determine object type", whattype },
4181 4181 #endif
4182 4182
4183 4183 /* from vfs.c */
4184 4184 { "fsinfo", "?[-v]", "print mounted filesystems", fsinfo },
4185 4185 { "pfiles", ":[-fp]", "print process file information", pfiles,
4186 4186 pfiles_help },
4187 4187
4188 4188 /* from zone.c */
4189 4189 { "zone", "?[-r [-v]]", "display kernel zone(s)", zoneprt },
4190 4190 { "zsd", ":[-v] [zsd_key]", "display zone-specific-data entries for "
4191 4191 "selected zones", zsd },
4192 4192
4193 4193 #ifndef _KMDB
4194 4194 { "gcore", NULL, "generate a user core for the given process",
4195 4195 gcore_dcmd },
4196 4196 #endif
4197 4197
4198 4198 { NULL }
4199 4199 };
4200 4200
4201 4201 static const mdb_walker_t walkers[] = {
4202 4202
4203 4203 /* from genunix.c */
4204 4204 { "callouts_bytime", "walk callouts by list chain (expiration time)",
4205 4205 callout_walk_init, callout_walk_step, callout_walk_fini,
4206 4206 (void *)CALLOUT_WALK_BYLIST },
4207 4207 { "callouts_byid", "walk callouts by id hash chain",
4208 4208 callout_walk_init, callout_walk_step, callout_walk_fini,
4209 4209 (void *)CALLOUT_WALK_BYID },
4210 4210 { "callout_list", "walk a callout list", callout_list_walk_init,
4211 4211 callout_list_walk_step, callout_list_walk_fini },
4212 4212 { "callout_table", "walk callout table array", callout_table_walk_init,
4213 4213 callout_table_walk_step, callout_table_walk_fini },
4214 4214 { "cpu", "walk cpu structures", cpu_walk_init, cpu_walk_step },
4215 4215 { "ereportq_dump", "walk list of ereports in dump error queue",
4216 4216 ereportq_dump_walk_init, ereportq_dump_walk_step, NULL },
4217 4217 { "ereportq_pend", "walk list of ereports in pending error queue",
4218 4218 ereportq_pend_walk_init, ereportq_pend_walk_step, NULL },
4219 4219 { "errorq", "walk list of system error queues",
4220 4220 errorq_walk_init, errorq_walk_step, NULL },
4221 4221 { "errorq_data", "walk pending error queue data buffers",
4222 4222 eqd_walk_init, eqd_walk_step, eqd_walk_fini },
4223 4223 { "allfile", "given a proc pointer, list all file pointers",
4224 4224 file_walk_init, allfile_walk_step, file_walk_fini },
4225 4225 { "file", "given a proc pointer, list of open file pointers",
4226 4226 file_walk_init, file_walk_step, file_walk_fini },
4227 4227 { "lock_descriptor", "walk lock_descriptor_t structures",
4228 4228 ld_walk_init, ld_walk_step, NULL },
4229 4229 { "lock_graph", "walk lock graph",
4230 4230 lg_walk_init, lg_walk_step, NULL },
4231 4231 { "port", "given a proc pointer, list of created event ports",
4232 4232 port_walk_init, port_walk_step, NULL },
4233 4233 { "portev", "given a port pointer, list of events in the queue",
4234 4234 portev_walk_init, portev_walk_step, portev_walk_fini },
4235 4235 { "proc", "list of active proc_t structures",
4236 4236 proc_walk_init, proc_walk_step, proc_walk_fini },
4237 4237 { "projects", "walk a list of kernel projects",
4238 4238 project_walk_init, project_walk_step, NULL },
4239 4239 { "sysevent_pend", "walk sysevent pending queue",
4240 4240 sysevent_pend_walk_init, sysevent_walk_step,
4241 4241 sysevent_walk_fini},
4242 4242 { "sysevent_sent", "walk sysevent sent queue", sysevent_sent_walk_init,
4243 4243 sysevent_walk_step, sysevent_walk_fini},
4244 4244 { "sysevent_channel", "walk sysevent channel subscriptions",
4245 4245 sysevent_channel_walk_init, sysevent_channel_walk_step,
4246 4246 sysevent_channel_walk_fini},
4247 4247 { "sysevent_class_list", "walk sysevent subscription's class list",
4248 4248 sysevent_class_list_walk_init, sysevent_class_list_walk_step,
4249 4249 sysevent_class_list_walk_fini},
4250 4250 { "sysevent_subclass_list",
4251 4251 "walk sysevent subscription's subclass list",
4252 4252 sysevent_subclass_list_walk_init,
4253 4253 sysevent_subclass_list_walk_step,
4254 4254 sysevent_subclass_list_walk_fini},
4255 4255 { "task", "given a task pointer, walk its processes",
4256 4256 task_walk_init, task_walk_step, NULL },
4257 4257
4258 4258 /* from avl.c */
4259 4259 { AVL_WALK_NAME, AVL_WALK_DESC,
4260 4260 avl_walk_init, avl_walk_step, avl_walk_fini },
4261 4261
4262 4262 /* from bio.c */
4263 4263 { "buf", "walk the bio buf hash",
4264 4264 buf_walk_init, buf_walk_step, buf_walk_fini },
4265 4265
4266 4266 /* from contract.c */
4267 4267 { "contract", "walk all contracts, or those of the specified type",
4268 4268 ct_walk_init, generic_walk_step, NULL },
4269 4269 { "ct_event", "walk events on a contract event queue",
4270 4270 ct_event_walk_init, generic_walk_step, NULL },
4271 4271 { "ct_listener", "walk contract event queue listeners",
4272 4272 ct_listener_walk_init, generic_walk_step, NULL },
4273 4273
4274 4274 /* from cpupart.c */
4275 4275 { "cpupart_cpulist", "given an cpupart_t, walk cpus in partition",
4276 4276 cpupart_cpulist_walk_init, cpupart_cpulist_walk_step,
4277 4277 NULL },
4278 4278 { "cpupart_walk", "walk the set of cpu partitions",
4279 4279 cpupart_walk_init, cpupart_walk_step, NULL },
4280 4280
4281 4281 /* from ctxop.c */
4282 4282 { "ctxop", "walk list of context ops on a thread",
4283 4283 ctxop_walk_init, ctxop_walk_step, ctxop_walk_fini },
4284 4284
4285 4285 /* from cyclic.c */
4286 4286 { "cyccpu", "walk per-CPU cyc_cpu structures",
4287 4287 cyccpu_walk_init, cyccpu_walk_step, NULL },
4288 4288 { "cycomni", "for an omnipresent cyclic, walk cyc_omni_cpu list",
4289 4289 cycomni_walk_init, cycomni_walk_step, NULL },
4290 4290 { "cyctrace", "walk cyclic trace buffer",
4291 4291 cyctrace_walk_init, cyctrace_walk_step, cyctrace_walk_fini },
4292 4292
4293 4293 /* from devinfo.c */
4294 4294 { "binding_hash", "walk all entries in binding hash table",
4295 4295 binding_hash_walk_init, binding_hash_walk_step, NULL },
4296 4296 { "devinfo", "walk devinfo tree or subtree",
4297 4297 devinfo_walk_init, devinfo_walk_step, devinfo_walk_fini },
4298 4298 { "devinfo_audit_log", "walk devinfo audit system-wide log",
4299 4299 devinfo_audit_log_walk_init, devinfo_audit_log_walk_step,
4300 4300 devinfo_audit_log_walk_fini},
4301 4301 { "devinfo_audit_node", "walk per-devinfo audit history",
4302 4302 devinfo_audit_node_walk_init, devinfo_audit_node_walk_step,
4303 4303 devinfo_audit_node_walk_fini},
4304 4304 { "devinfo_children", "walk children of devinfo node",
4305 4305 devinfo_children_walk_init, devinfo_children_walk_step,
4306 4306 devinfo_children_walk_fini },
4307 4307 { "devinfo_parents", "walk ancestors of devinfo node",
4308 4308 devinfo_parents_walk_init, devinfo_parents_walk_step,
4309 4309 devinfo_parents_walk_fini },
4310 4310 { "devinfo_siblings", "walk siblings of devinfo node",
4311 4311 devinfo_siblings_walk_init, devinfo_siblings_walk_step, NULL },
4312 4312 { "devi_next", "walk devinfo list",
4313 4313 NULL, devi_next_walk_step, NULL },
4314 4314 { "devnames", "walk devnames array",
4315 4315 devnames_walk_init, devnames_walk_step, devnames_walk_fini },
4316 4316 { "minornode", "given a devinfo node, walk minor nodes",
4317 4317 minornode_walk_init, minornode_walk_step, NULL },
4318 4318 { "softstate",
4319 4319 "given an i_ddi_soft_state*, list all in-use driver stateps",
4320 4320 soft_state_walk_init, soft_state_walk_step,
4321 4321 NULL, NULL },
4322 4322 { "softstate_all",
4323 4323 "given an i_ddi_soft_state*, list all driver stateps",
4324 4324 soft_state_walk_init, soft_state_all_walk_step,
4325 4325 NULL, NULL },
4326 4326 { "devinfo_fmc",
4327 4327 "walk a fault management handle cache active list",
4328 4328 devinfo_fmc_walk_init, devinfo_fmc_walk_step, NULL },
4329 4329
4330 4330 /* from group.c */
4331 4331 { "group", "walk all elements of a group",
4332 4332 group_walk_init, group_walk_step, NULL },
4333 4333
4334 4334 /* from irm.c */
4335 4335 { "irmpools", "walk global list of interrupt pools",
4336 4336 irmpools_walk_init, list_walk_step, list_walk_fini },
4337 4337 { "irmreqs", "walk list of interrupt requests in an interrupt pool",
4338 4338 irmreqs_walk_init, list_walk_step, list_walk_fini },
4339 4339
4340 4340 /* from kmem.c */
4341 4341 { "allocdby", "given a thread, walk its allocated bufctls",
4342 4342 allocdby_walk_init, allocdby_walk_step, allocdby_walk_fini },
4343 4343 { "bufctl", "walk a kmem cache's bufctls",
4344 4344 bufctl_walk_init, kmem_walk_step, kmem_walk_fini },
4345 4345 { "bufctl_history", "walk the available history of a bufctl",
4346 4346 bufctl_history_walk_init, bufctl_history_walk_step,
4347 4347 bufctl_history_walk_fini },
4348 4348 { "freedby", "given a thread, walk its freed bufctls",
4349 4349 freedby_walk_init, allocdby_walk_step, allocdby_walk_fini },
4350 4350 { "freectl", "walk a kmem cache's free bufctls",
4351 4351 freectl_walk_init, kmem_walk_step, kmem_walk_fini },
4352 4352 { "freectl_constructed", "walk a kmem cache's constructed free bufctls",
4353 4353 freectl_constructed_walk_init, kmem_walk_step, kmem_walk_fini },
4354 4354 { "freemem", "walk a kmem cache's free memory",
4355 4355 freemem_walk_init, kmem_walk_step, kmem_walk_fini },
4356 4356 { "freemem_constructed", "walk a kmem cache's constructed free memory",
4357 4357 freemem_constructed_walk_init, kmem_walk_step, kmem_walk_fini },
4358 4358 { "kmem", "walk a kmem cache",
4359 4359 kmem_walk_init, kmem_walk_step, kmem_walk_fini },
4360 4360 { "kmem_cpu_cache", "given a kmem cache, walk its per-CPU caches",
4361 4361 kmem_cpu_cache_walk_init, kmem_cpu_cache_walk_step, NULL },
4362 4362 { "kmem_hash", "given a kmem cache, walk its allocated hash table",
4363 4363 kmem_hash_walk_init, kmem_hash_walk_step, kmem_hash_walk_fini },
4364 4364 { "kmem_log", "walk the kmem transaction log",
4365 4365 kmem_log_walk_init, kmem_log_walk_step, kmem_log_walk_fini },
4366 4366 { "kmem_slab", "given a kmem cache, walk its slabs",
4367 4367 kmem_slab_walk_init, combined_walk_step, combined_walk_fini },
4368 4368 { "kmem_slab_partial",
4369 4369 "given a kmem cache, walk its partially allocated slabs (min 1)",
4370 4370 kmem_slab_walk_partial_init, combined_walk_step,
4371 4371 combined_walk_fini },
4372 4372 { "vmem", "walk vmem structures in pre-fix, depth-first order",
4373 4373 vmem_walk_init, vmem_walk_step, vmem_walk_fini },
4374 4374 { "vmem_alloc", "given a vmem_t, walk its allocated vmem_segs",
4375 4375 vmem_alloc_walk_init, vmem_seg_walk_step, vmem_seg_walk_fini },
4376 4376 { "vmem_free", "given a vmem_t, walk its free vmem_segs",
4377 4377 vmem_free_walk_init, vmem_seg_walk_step, vmem_seg_walk_fini },
4378 4378 { "vmem_postfix", "walk vmem structures in post-fix, depth-first order",
4379 4379 vmem_walk_init, vmem_postfix_walk_step, vmem_walk_fini },
4380 4380 { "vmem_seg", "given a vmem_t, walk all of its vmem_segs",
4381 4381 vmem_seg_walk_init, vmem_seg_walk_step, vmem_seg_walk_fini },
4382 4382 { "vmem_span", "given a vmem_t, walk its spanning vmem_segs",
4383 4383 vmem_span_walk_init, vmem_seg_walk_step, vmem_seg_walk_fini },
4384 4384
4385 4385 /* from ldi.c */
4386 4386 { "ldi_handle", "walk the layered driver handle hash",
4387 4387 ldi_handle_walk_init, ldi_handle_walk_step, NULL },
4388 4388 { "ldi_ident", "walk the layered driver identifier hash",
4389 4389 ldi_ident_walk_init, ldi_ident_walk_step, NULL },
4390 4390
4391 4391 /* from leaky.c + leaky_subr.c */
4392 4392 { "leak", "given a leaked bufctl or vmem_seg, find leaks w/ same "
4393 4393 "stack trace",
4394 4394 leaky_walk_init, leaky_walk_step, leaky_walk_fini },
4395 4395 { "leakbuf", "given a leaked bufctl or vmem_seg, walk buffers for "
4396 4396 "leaks w/ same stack trace",
4397 4397 leaky_walk_init, leaky_buf_walk_step, leaky_walk_fini },
4398 4398
4399 4399 /* from lgrp.c */
4400 4400 { "lgrp_cpulist", "walk CPUs in a given lgroup",
4401 4401 lgrp_cpulist_walk_init, lgrp_cpulist_walk_step, NULL },
4402 4402 { "lgrptbl", "walk lgroup table",
4403 4403 lgrp_walk_init, lgrp_walk_step, NULL },
4404 4404 { "lgrp_parents", "walk up lgroup lineage from given lgroup",
4405 4405 lgrp_parents_walk_init, lgrp_parents_walk_step, NULL },
4406 4406 { "lgrp_rsrc_mem", "walk lgroup memory resources of given lgroup",
4407 4407 lgrp_rsrc_mem_walk_init, lgrp_set_walk_step, NULL },
4408 4408 { "lgrp_rsrc_cpu", "walk lgroup CPU resources of given lgroup",
4409 4409 lgrp_rsrc_cpu_walk_init, lgrp_set_walk_step, NULL },
4410 4410
4411 4411 /* from list.c */
4412 4412 { LIST_WALK_NAME, LIST_WALK_DESC,
4413 4413 list_walk_init, list_walk_step, list_walk_fini },
4414 4414
4415 4415 /* from mdi.c */
4416 4416 { "mdipi_client_list", "Walker for mdi_pathinfo pi_client_link",
4417 4417 mdi_pi_client_link_walk_init,
4418 4418 mdi_pi_client_link_walk_step,
4419 4419 mdi_pi_client_link_walk_fini },
4420 4420 { "mdipi_phci_list", "Walker for mdi_pathinfo pi_phci_link",
4421 4421 mdi_pi_phci_link_walk_init,
4422 4422 mdi_pi_phci_link_walk_step,
4423 4423 mdi_pi_phci_link_walk_fini },
4424 4424 { "mdiphci_list", "Walker for mdi_phci ph_next link",
4425 4425 mdi_phci_ph_next_walk_init,
4426 4426 mdi_phci_ph_next_walk_step,
4427 4427 mdi_phci_ph_next_walk_fini },
4428 4428
4429 4429 /* from memory.c */
4430 4430 { "allpages", "walk all pages, including free pages",
4431 4431 allpages_walk_init, allpages_walk_step, allpages_walk_fini },
4432 4432 { "anon", "given an amp, list allocated anon structures",
4433 4433 anon_walk_init, anon_walk_step, anon_walk_fini,
4434 4434 ANON_WALK_ALLOC },
4435 4435 { "anon_all", "given an amp, list contents of all anon slots",
4436 4436 anon_walk_init, anon_walk_step, anon_walk_fini,
4437 4437 ANON_WALK_ALL },
4438 4438 { "memlist", "walk specified memlist",
4439 4439 NULL, memlist_walk_step, NULL },
4440 4440 { "page", "walk all pages, or those from the specified vnode",
4441 4441 page_walk_init, page_walk_step, page_walk_fini },
4442 4442 { "seg", "given an as, list of segments",
4443 4443 seg_walk_init, avl_walk_step, avl_walk_fini },
4444 4444 { "segvn_anon",
4445 4445 "given a struct segvn_data, list allocated anon structures",
4446 4446 segvn_anon_walk_init, anon_walk_step, anon_walk_fini,
4447 4447 ANON_WALK_ALLOC },
4448 4448 { "segvn_anon_all",
4449 4449 "given a struct segvn_data, list contents of all anon slots",
4450 4450 segvn_anon_walk_init, anon_walk_step, anon_walk_fini,
4451 4451 ANON_WALK_ALL },
4452 4452 { "segvn_pages",
4453 4453 "given a struct segvn_data, list resident pages in "
4454 4454 "offset order",
4455 4455 segvn_pages_walk_init, segvn_pages_walk_step,
4456 4456 segvn_pages_walk_fini, SEGVN_PAGES_RESIDENT },
4457 4457 { "segvn_pages_all",
4458 4458 "for each offset in a struct segvn_data, give page_t pointer "
4459 4459 "(if resident), or NULL.",
4460 4460 segvn_pages_walk_init, segvn_pages_walk_step,
4461 4461 segvn_pages_walk_fini, SEGVN_PAGES_ALL },
4462 4462 { "swapinfo", "walk swapinfo structures",
4463 4463 swap_walk_init, swap_walk_step, NULL },
4464 4464
4465 4465 /* from mmd.c */
4466 4466 { "pattr", "walk pattr_t structures", pattr_walk_init,
4467 4467 mmdq_walk_step, mmdq_walk_fini },
4468 4468 { "pdesc", "walk pdesc_t structures",
4469 4469 pdesc_walk_init, mmdq_walk_step, mmdq_walk_fini },
4470 4470 { "pdesc_slab", "walk pdesc_slab_t structures",
4471 4471 pdesc_slab_walk_init, mmdq_walk_step, mmdq_walk_fini },
4472 4472
4473 4473 /* from modhash.c */
4474 4474 { "modhash", "walk list of mod_hash structures", modhash_walk_init,
4475 4475 modhash_walk_step, NULL },
4476 4476 { "modent", "walk list of entries in a given mod_hash",
4477 4477 modent_walk_init, modent_walk_step, modent_walk_fini },
4478 4478 { "modchain", "walk list of entries in a given mod_hash_entry",
4479 4479 NULL, modchain_walk_step, NULL },
4480 4480
4481 4481 /* from net.c */
4482 4482 { "icmp", "walk ICMP control structures using MI for all stacks",
4483 4483 mi_payload_walk_init, mi_payload_walk_step, NULL,
4484 4484 &mi_icmp_arg },
4485 4485 { "mi", "given a MI_O, walk the MI",
4486 4486 mi_walk_init, mi_walk_step, mi_walk_fini, NULL },
4487 4487 { "sonode", "given a sonode, walk its children",
4488 4488 sonode_walk_init, sonode_walk_step, sonode_walk_fini, NULL },
4489 4489 { "icmp_stacks", "walk all the icmp_stack_t",
4490 4490 icmp_stacks_walk_init, icmp_stacks_walk_step, NULL },
4491 4491 { "tcp_stacks", "walk all the tcp_stack_t",
4492 4492 tcp_stacks_walk_init, tcp_stacks_walk_step, NULL },
4493 4493 { "udp_stacks", "walk all the udp_stack_t",
4494 4494 udp_stacks_walk_init, udp_stacks_walk_step, NULL },
4495 4495
4496 4496 /* from netstack.c */
4497 4497 { "netstack", "walk a list of kernel netstacks",
4498 4498 netstack_walk_init, netstack_walk_step, NULL },
4499 4499
4500 4500 /* from nvpair.c */
4501 4501 { NVPAIR_WALKER_NAME, NVPAIR_WALKER_DESCR,
4502 4502 nvpair_walk_init, nvpair_walk_step, NULL },
4503 4503
4504 4504 /* from rctl.c */
4505 4505 { "rctl_dict_list", "walk all rctl_dict_entry_t's from rctl_lists",
4506 4506 rctl_dict_walk_init, rctl_dict_walk_step, NULL },
4507 4507 { "rctl_set", "given a rctl_set, walk all rctls", rctl_set_walk_init,
4508 4508 rctl_set_walk_step, NULL },
4509 4509 { "rctl_val", "given a rctl_t, walk all rctl_val entries associated",
4510 4510 rctl_val_walk_init, rctl_val_walk_step },
4511 4511
4512 4512 /* from sobj.c */
4513 4513 { "blocked", "walk threads blocked on a given sobj",
4514 4514 blocked_walk_init, blocked_walk_step, NULL },
4515 4515 { "wchan", "given a wchan, list of blocked threads",
4516 4516 wchan_walk_init, wchan_walk_step, wchan_walk_fini },
4517 4517
4518 4518 /* from stream.c */
4519 4519 { "b_cont", "walk mblk_t list using b_cont",
4520 4520 mblk_walk_init, b_cont_step, mblk_walk_fini },
4521 4521 { "b_next", "walk mblk_t list using b_next",
4522 4522 mblk_walk_init, b_next_step, mblk_walk_fini },
4523 4523 { "qlink", "walk queue_t list using q_link",
4524 4524 queue_walk_init, queue_link_step, queue_walk_fini },
4525 4525 { "qnext", "walk queue_t list using q_next",
4526 4526 queue_walk_init, queue_next_step, queue_walk_fini },
4527 4527 { "strftblk", "given a dblk_t, walk STREAMS flow trace event list",
4528 4528 strftblk_walk_init, strftblk_step, strftblk_walk_fini },
4529 4529 { "readq", "walk read queue side of stdata",
4530 4530 str_walk_init, strr_walk_step, str_walk_fini },
4531 4531 { "writeq", "walk write queue side of stdata",
4532 4532 str_walk_init, strw_walk_step, str_walk_fini },
4533 4533
4534 4534 /* from taskq.c */
4535 4535 { "taskq_thread", "given a taskq_t, list all of its threads",
4536 4536 taskq_thread_walk_init,
4537 4537 taskq_thread_walk_step,
4538 4538 taskq_thread_walk_fini },
4539 4539 { "taskq_entry", "given a taskq_t*, list all taskq_ent_t in the list",
4540 4540 taskq_ent_walk_init, taskq_ent_walk_step, NULL },
4541 4541
4542 4542 /* from thread.c */
4543 4543 { "deathrow", "walk threads on both lwp_ and thread_deathrow",
4544 4544 deathrow_walk_init, deathrow_walk_step, NULL },
4545 4545 { "cpu_dispq", "given a cpu_t, walk threads in dispatcher queues",
4546 4546 cpu_dispq_walk_init, dispq_walk_step, dispq_walk_fini },
4547 4547 { "cpupart_dispq",
4548 4548 "given a cpupart_t, walk threads in dispatcher queues",
4549 4549 cpupart_dispq_walk_init, dispq_walk_step, dispq_walk_fini },
4550 4550 { "lwp_deathrow", "walk lwp_deathrow",
4551 4551 lwp_deathrow_walk_init, deathrow_walk_step, NULL },
4552 4552 { "thread", "global or per-process kthread_t structures",
4553 4553 thread_walk_init, thread_walk_step, thread_walk_fini },
4554 4554 { "thread_deathrow", "walk threads on thread_deathrow",
4555 4555 thread_deathrow_walk_init, deathrow_walk_step, NULL },
4556 4556
4557 4557 /* from tsd.c */
4558 4558 { "tsd", "walk list of thread-specific data",
4559 4559 tsd_walk_init, tsd_walk_step, tsd_walk_fini },
4560 4560
4561 4561 /* from tsol.c */
4562 4562 { "tnrh", "walk remote host cache structures",
4563 4563 tnrh_walk_init, tnrh_walk_step, tnrh_walk_fini },
4564 4564 { "tnrhtp", "walk remote host template structures",
4565 4565 tnrhtp_walk_init, tnrhtp_walk_step, tnrhtp_walk_fini },
4566 4566
4567 4567 /*
4568 4568 * typegraph does not work under kmdb, as it requires too much memory
4569 4569 * for its internal data structures.
4570 4570 */
4571 4571 #ifndef _KMDB
4572 4572 /* from typegraph.c */
4573 4573 { "typeconflict", "walk buffers with conflicting type inferences",
4574 4574 typegraph_walk_init, typeconflict_walk_step },
4575 4575 { "typeunknown", "walk buffers with unknown types",
4576 4576 typegraph_walk_init, typeunknown_walk_step },
4577 4577 #endif
4578 4578
4579 4579 /* from vfs.c */
4580 4580 { "vfs", "walk file system list",
4581 4581 vfs_walk_init, vfs_walk_step },
4582 4582
4583 4583 /* from zone.c */
4584 4584 { "zone", "walk a list of kernel zones",
4585 4585 zone_walk_init, zone_walk_step, NULL },
4586 4586 { "zsd", "walk list of zsd entries for a zone",
4587 4587 zsd_walk_init, zsd_walk_step, NULL },
4588 4588
4589 4589 { NULL }
4590 4590 };
4591 4591
4592 4592 static const mdb_modinfo_t modinfo = { MDB_API_VERSION, dcmds, walkers };
4593 4593
4594 4594 /*ARGSUSED*/
4595 4595 static void
4596 4596 genunix_statechange_cb(void *ignored)
4597 4597 {
4598 4598 /*
4599 4599 * Force ::findleaks and ::stacks to let go any cached state.
4600 4600 */
4601 4601 leaky_cleanup(1);
4602 4602 stacks_cleanup(1);
4603 4603
4604 4604 kmem_statechange(); /* notify kmem */
4605 4605 }
4606 4606
4607 4607 const mdb_modinfo_t *
4608 4608 _mdb_init(void)
4609 4609 {
4610 4610 kmem_init();
4611 4611
4612 4612 (void) mdb_callback_add(MDB_CALLBACK_STCHG,
4613 4613 genunix_statechange_cb, NULL);
4614 4614
4615 4615 #ifndef _KMDB
4616 4616 gcore_init();
4617 4617 #endif
4618 4618
4619 4619 return (&modinfo);
4620 4620 }
4621 4621
4622 4622 void
4623 4623 _mdb_fini(void)
4624 4624 {
4625 4625 leaky_cleanup(1);
4626 4626 stacks_cleanup(1);
4627 4627 }
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