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Unleashed v1.4
[unleashed.git] / usr / src / cmd / mdb / common / modules / genunix / genunix.c
blob2dc9f96a05b09a82e7b3e18a7b95456fc39afdcf
1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21 /*
22 * Copyright 2011 Nexenta Systems, Inc. All rights reserved.
23 * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
24 * Copyright 2017 Joyent, Inc.
25 * Copyright (c) 2013 by Delphix. All rights reserved.
26 */
27
28 #include <mdb/mdb_param.h>
29 #include <mdb/mdb_modapi.h>
30 #include <mdb/mdb_ks.h>
31 #include <mdb/mdb_ctf.h>
32
33 #include <sys/types.h>
34 #include <sys/thread.h>
35 #include <sys/session.h>
36 #include <sys/user.h>
37 #include <sys/proc.h>
38 #include <sys/var.h>
39 #include <sys/t_lock.h>
40 #include <sys/callo.h>
41 #include <sys/priocntl.h>
42 #include <sys/class.h>
43 #include <sys/regset.h>
44 #include <sys/stack.h>
45 #include <sys/cpuvar.h>
46 #include <sys/vnode.h>
47 #include <sys/vfs.h>
48 #include <sys/flock_impl.h>
49 #include <sys/kmem_impl.h>
50 #include <sys/vmem_impl.h>
51 #include <sys/kstat.h>
52 #include <sys/dditypes.h>
53 #include <sys/ddi_impldefs.h>
54 #include <sys/sysmacros.h>
55 #include <sys/sysconf.h>
56 #include <sys/task.h>
57 #include <sys/project.h>
58 #include <sys/errorq_impl.h>
59 #include <sys/cred_impl.h>
60 #include <sys/zone.h>
61 #include <sys/panic.h>
62 #include <regex.h>
63 #include <sys/port_impl.h>
64
65 #include "avl.h"
66 #include "bio.h"
67 #include "bitset.h"
68 #include "combined.h"
69 #include "contract.h"
70 #include "cpupart_mdb.h"
71 #include "cred.h"
72 #include "ctxop.h"
73 #include "cyclic.h"
74 #include "damap.h"
75 #include "ddi_periodic.h"
76 #include "devinfo.h"
77 #include "dnlc.h"
78 #include "findstack.h"
79 #include "fm.h"
80 #include "gcore.h"
81 #include "group.h"
82 #include "irm.h"
83 #include "kgrep.h"
84 #include "kmem.h"
85 #include "ldi.h"
86 #include "leaky.h"
87 #include "lgrp.h"
88 #include "list.h"
89 #include "log.h"
90 #include "mdi.h"
91 #include "memory.h"
92 #include "mmd.h"
93 #include "modhash.h"
94 #include "ndievents.h"
95 #include "net.h"
96 #include "netstack.h"
97 #include "nvpair.h"
98 #include "pg.h"
99 #include "rctl.h"
100 #include "sobj.h"
101 #include "streams.h"
102 #include "sysevent.h"
103 #include "taskq.h"
104 #include "thread.h"
105 #include "tsd.h"
106 #include "typegraph.h"
107 #include "vfs.h"
108 #include "zone.h"
109 #include "hotplug.h"
110
111 /*
112 * Surely this is defined somewhere...
113 */
114 #define NINTR 16
115
116 #define KILOS 10
117 #define MEGS 20
118 #define GIGS 30
119
120 #ifndef STACK_BIAS
121 #define STACK_BIAS 0
122 #endif
123
124 static char
125 pstat2ch(uchar_t state)
126 {
127 switch (state) {
128 case SSLEEP: return ('S');
129 case SRUN: return ('R');
130 case SZOMB: return ('Z');
131 case SIDL: return ('I');
132 case SONPROC: return ('O');
133 case SSTOP: return ('T');
134 case SWAIT: return ('W');
135 default: return ('?');
136 }
137 }
138
139 #define PS_PRTTHREADS 0x1
140 #define PS_PRTLWPS 0x2
141 #define PS_PSARGS 0x4
142 #define PS_TASKS 0x8
143 #define PS_PROJECTS 0x10
144 #define PS_ZONES 0x20
145
146 static int
147 ps_threadprint(uintptr_t addr, const void *data, void *private)
148 {
149 const kthread_t *t = (const kthread_t *)data;
150 uint_t prt_flags = *((uint_t *)private);
151
152 static const mdb_bitmask_t t_state_bits[] = {
153 { "TS_FREE", UINT_MAX, TS_FREE },
154 { "TS_SLEEP", TS_SLEEP, TS_SLEEP },
155 { "TS_RUN", TS_RUN, TS_RUN },
156 { "TS_ONPROC", TS_ONPROC, TS_ONPROC },
157 { "TS_ZOMB", TS_ZOMB, TS_ZOMB },
158 { "TS_STOPPED", TS_STOPPED, TS_STOPPED },
159 { "TS_WAIT", TS_WAIT, TS_WAIT },
160 { NULL, 0, 0 }
161 };
162
163 if (prt_flags & PS_PRTTHREADS)
164 mdb_printf("\tT %?a <%b>\n", addr, t->t_state, t_state_bits);
165
166 if (prt_flags & PS_PRTLWPS)
167 mdb_printf("\tL %?a ID: %u\n", t->t_lwp, t->t_tid);
168
169 return (WALK_NEXT);
170 }
171
172 typedef struct mdb_pflags_proc {
173 struct pid *p_pidp;
174 ushort_t p_pidflag;
175 uint_t p_proc_flag;
176 uint_t p_flag;
177 } mdb_pflags_proc_t;
178
179 static int
180 pflags(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
181 {
182 mdb_pflags_proc_t pr;
183 struct pid pid;
184
185 static const mdb_bitmask_t p_flag_bits[] = {
186 { "SSYS", SSYS, SSYS },
187 { "SEXITING", SEXITING, SEXITING },
188 { "SITBUSY", SITBUSY, SITBUSY },
189 { "SFORKING", SFORKING, SFORKING },
190 { "SWATCHOK", SWATCHOK, SWATCHOK },
191 { "SKILLED", SKILLED, SKILLED },
192 { "SSCONT", SSCONT, SSCONT },
193 { "SZONETOP", SZONETOP, SZONETOP },
194 { "SEXTKILLED", SEXTKILLED, SEXTKILLED },
195 { "SUGID", SUGID, SUGID },
196 { "SEXECED", SEXECED, SEXECED },
197 { "SJCTL", SJCTL, SJCTL },
198 { "SNOWAIT", SNOWAIT, SNOWAIT },
199 { "SVFORK", SVFORK, SVFORK },
200 { "SVFWAIT", SVFWAIT, SVFWAIT },
201 { "SEXITLWPS", SEXITLWPS, SEXITLWPS },
202 { "SHOLDFORK", SHOLDFORK, SHOLDFORK },
203 { "SHOLDFORK1", SHOLDFORK1, SHOLDFORK1 },
204 { "SCOREDUMP", SCOREDUMP, SCOREDUMP },
205 { "SMSACCT", SMSACCT, SMSACCT },
206 { "SLWPWRAP", SLWPWRAP, SLWPWRAP },
207 { "SAUTOLPG", SAUTOLPG, SAUTOLPG },
208 { "SNOCD", SNOCD, SNOCD },
209 { "SHOLDWATCH", SHOLDWATCH, SHOLDWATCH },
210 { "SMSFORK", SMSFORK, SMSFORK },
211 { "SDOCORE", SDOCORE, SDOCORE },
212 { NULL, 0, 0 }
213 };
214
215 static const mdb_bitmask_t p_pidflag_bits[] = {
216 { "CLDPEND", CLDPEND, CLDPEND },
217 { "CLDCONT", CLDCONT, CLDCONT },
218 { "CLDNOSIGCHLD", CLDNOSIGCHLD, CLDNOSIGCHLD },
219 { "CLDWAITPID", CLDWAITPID, CLDWAITPID },
220 { NULL, 0, 0 }
221 };
222
223 static const mdb_bitmask_t p_proc_flag_bits[] = {
224 { "P_PR_TRACE", P_PR_TRACE, P_PR_TRACE },
225 { "P_PR_PTRACE", P_PR_PTRACE, P_PR_PTRACE },
226 { "P_PR_FORK", P_PR_FORK, P_PR_FORK },
227 { "P_PR_LOCK", P_PR_LOCK, P_PR_LOCK },
228 { "P_PR_ASYNC", P_PR_ASYNC, P_PR_ASYNC },
229 { "P_PR_EXEC", P_PR_EXEC, P_PR_EXEC },
230 { "P_PR_BPTADJ", P_PR_BPTADJ, P_PR_BPTADJ },
231 { "P_PR_RUNLCL", P_PR_RUNLCL, P_PR_RUNLCL },
232 { "P_PR_KILLCL", P_PR_KILLCL, P_PR_KILLCL },
233 { NULL, 0, 0 }
234 };
235
236 if (!(flags & DCMD_ADDRSPEC)) {
237 if (mdb_walk_dcmd("proc", "pflags", argc, argv) == -1) {
238 mdb_warn("can't walk 'proc'");
239 return (DCMD_ERR);
240 }
241 return (DCMD_OK);
242 }
243
244 if (mdb_ctf_vread(&pr, "proc_t", "mdb_pflags_proc_t", addr, 0) == -1 ||
245 mdb_vread(&pid, sizeof (pid), (uintptr_t)pr.p_pidp) == -1) {
246 mdb_warn("cannot read proc_t or pid");
247 return (DCMD_ERR);
248 }
249
250 mdb_printf("%p [pid %d]:\n", addr, pid.pid_id);
251 mdb_printf("\tp_flag: %08x <%b>\n", pr.p_flag, pr.p_flag,
252 p_flag_bits);
253 mdb_printf("\tp_pidflag: %08x <%b>\n", pr.p_pidflag, pr.p_pidflag,
254 p_pidflag_bits);
255 mdb_printf("\tp_proc_flag: %08x <%b>\n", pr.p_proc_flag, pr.p_proc_flag,
256 p_proc_flag_bits);
257
258 return (DCMD_OK);
259 }
260
261 typedef struct mdb_ps_proc {
262 char p_stat;
263 struct pid *p_pidp;
264 struct pid *p_pgidp;
265 struct cred *p_cred;
266 struct sess *p_sessp;
267 struct task *p_task;
268 struct zone *p_zone;
269 pid_t p_ppid;
270 uint_t p_flag;
271 struct {
272 char u_comm[MAXCOMLEN + 1];
273 char u_psargs[PSARGSZ];
274 } p_user;
275 } mdb_ps_proc_t;
276
277 int
278 ps(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
279 {
280 uint_t prt_flags = 0;
281 mdb_ps_proc_t pr;
282 struct pid pid, pgid, sid;
283 sess_t session;
284 cred_t cred;
285 task_t tk;
286 kproject_t pj;
287 zone_t zn;
288
289 if (!(flags & DCMD_ADDRSPEC)) {
290 if (mdb_walk_dcmd("proc", "ps", argc, argv) == -1) {
291 mdb_warn("can't walk 'proc'");
292 return (DCMD_ERR);
293 }
294 return (DCMD_OK);
295 }
296
297 if (mdb_getopts(argc, argv,
298 'f', MDB_OPT_SETBITS, PS_PSARGS, &prt_flags,
299 'l', MDB_OPT_SETBITS, PS_PRTLWPS, &prt_flags,
300 'T', MDB_OPT_SETBITS, PS_TASKS, &prt_flags,
301 'P', MDB_OPT_SETBITS, PS_PROJECTS, &prt_flags,
302 'z', MDB_OPT_SETBITS, PS_ZONES, &prt_flags,
303 't', MDB_OPT_SETBITS, PS_PRTTHREADS, &prt_flags, NULL) != argc)
304 return (DCMD_USAGE);
305
306 if (DCMD_HDRSPEC(flags)) {
307 mdb_printf("%<u>%1s %6s %6s %6s %6s ",
308 "S", "PID", "PPID", "PGID", "SID");
309 if (prt_flags & PS_TASKS)
310 mdb_printf("%5s ", "TASK");
311 if (prt_flags & PS_PROJECTS)
312 mdb_printf("%5s ", "PROJ");
313 if (prt_flags & PS_ZONES)
314 mdb_printf("%5s ", "ZONE");
315 mdb_printf("%6s %10s %?s %s%</u>\n",
316 "UID", "FLAGS", "ADDR", "NAME");
317 }
318
319 if (mdb_ctf_vread(&pr, "proc_t", "mdb_ps_proc_t", addr, 0) == -1)
320 return (DCMD_ERR);
321
322 mdb_vread(&pid, sizeof (pid), (uintptr_t)pr.p_pidp);
323 mdb_vread(&pgid, sizeof (pgid), (uintptr_t)pr.p_pgidp);
324 mdb_vread(&cred, sizeof (cred), (uintptr_t)pr.p_cred);
325 mdb_vread(&session, sizeof (session), (uintptr_t)pr.p_sessp);
326 mdb_vread(&sid, sizeof (sid), (uintptr_t)session.s_sidp);
327 if (prt_flags & (PS_TASKS | PS_PROJECTS))
328 mdb_vread(&tk, sizeof (tk), (uintptr_t)pr.p_task);
329 if (prt_flags & PS_PROJECTS)
330 mdb_vread(&pj, sizeof (pj), (uintptr_t)tk.tk_proj);
331 if (prt_flags & PS_ZONES)
332 mdb_vread(&zn, sizeof (zn), (uintptr_t)pr.p_zone);
333
334 mdb_printf("%c %6d %6d %6d %6d ",
335 pstat2ch(pr.p_stat), pid.pid_id, pr.p_ppid, pgid.pid_id,
336 sid.pid_id);
337 if (prt_flags & PS_TASKS)
338 mdb_printf("%5d ", tk.tk_tkid);
339 if (prt_flags & PS_PROJECTS)
340 mdb_printf("%5d ", pj.kpj_id);
341 if (prt_flags & PS_ZONES)
342 mdb_printf("%5d ", zn.zone_id);
343 mdb_printf("%6d 0x%08x %0?p %s\n",
344 cred.cr_uid, pr.p_flag, addr,
345 (prt_flags & PS_PSARGS) ? pr.p_user.u_psargs : pr.p_user.u_comm);
346
347 if (prt_flags & ~PS_PSARGS)
348 (void) mdb_pwalk("thread", ps_threadprint, &prt_flags, addr);
349
350 return (DCMD_OK);
351 }
352
353 #define PG_NEWEST 0x0001
354 #define PG_OLDEST 0x0002
355 #define PG_PIPE_OUT 0x0004
356 #define PG_EXACT_MATCH 0x0008
357
358 typedef struct pgrep_data {
359 uint_t pg_flags;
360 uint_t pg_psflags;
361 uintptr_t pg_xaddr;
362 hrtime_t pg_xstart;
363 const char *pg_pat;
364 #ifndef _KMDB
365 regex_t pg_reg;
366 #endif
367 } pgrep_data_t;
368
369 typedef struct mdb_pgrep_proc {
370 struct {
371 timestruc_t u_start;
372 char u_comm[MAXCOMLEN + 1];
373 } p_user;
374 } mdb_pgrep_proc_t;
375
376 /*ARGSUSED*/
377 static int
378 pgrep_cb(uintptr_t addr, const void *ignored, void *data)
379 {
380 mdb_pgrep_proc_t p;
381 pgrep_data_t *pgp = data;
382 #ifndef _KMDB
383 regmatch_t pmatch;
384 #endif
385
386 if (mdb_ctf_vread(&p, "proc_t", "mdb_pgrep_proc_t", addr, 0) == -1)
387 return (WALK_ERR);
388
389 /*
390 * kmdb doesn't have access to the reg* functions, so we fall back
391 * to strstr/strcmp.
392 */
393 #ifdef _KMDB
394 if ((pgp->pg_flags & PG_EXACT_MATCH) ?
395 (strcmp(p.p_user.u_comm, pgp->pg_pat) != 0) :
396 (strstr(p.p_user.u_comm, pgp->pg_pat) == NULL))
397 return (WALK_NEXT);
398 #else
399 if (regexec(&pgp->pg_reg, p.p_user.u_comm, 1, &pmatch, 0) != 0)
400 return (WALK_NEXT);
401
402 if ((pgp->pg_flags & PG_EXACT_MATCH) &&
403 (pmatch.rm_so != 0 || p.p_user.u_comm[pmatch.rm_eo] != '\0'))
404 return (WALK_NEXT);
405 #endif
406
407 if (pgp->pg_flags & (PG_NEWEST | PG_OLDEST)) {
408 hrtime_t start;
409
410 start = (hrtime_t)p.p_user.u_start.tv_sec * NANOSEC +
411 p.p_user.u_start.tv_nsec;
412
413 if (pgp->pg_flags & PG_NEWEST) {
414 if (pgp->pg_xaddr == (uintptr_t)NULL ||
415 start > pgp->pg_xstart) {
416 pgp->pg_xaddr = addr;
417 pgp->pg_xstart = start;
418 }
419 } else {
420 if (pgp->pg_xaddr == (uintptr_t)NULL ||
421 start < pgp->pg_xstart) {
422 pgp->pg_xaddr = addr;
423 pgp->pg_xstart = start;
424 }
425 }
426
427 } else if (pgp->pg_flags & PG_PIPE_OUT) {
428 mdb_printf("%p\n", addr);
429
430 } else {
431 if (mdb_call_dcmd("ps", addr, pgp->pg_psflags, 0, NULL) != 0) {
432 mdb_warn("can't invoke 'ps'");
433 return (WALK_DONE);
434 }
435 pgp->pg_psflags &= ~DCMD_LOOPFIRST;
436 }
437
438 return (WALK_NEXT);
439 }
440
441 /*ARGSUSED*/
442 int
443 pgrep(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
444 {
445 pgrep_data_t pg;
446 int i;
447 #ifndef _KMDB
448 int err;
449 #endif
450
451 if (flags & DCMD_ADDRSPEC)
452 return (DCMD_USAGE);
453
454 pg.pg_flags = 0;
455 pg.pg_xaddr = (uintptr_t)NULL;
456
457 i = mdb_getopts(argc, argv,
458 'n', MDB_OPT_SETBITS, PG_NEWEST, &pg.pg_flags,
459 'o', MDB_OPT_SETBITS, PG_OLDEST, &pg.pg_flags,
460 'x', MDB_OPT_SETBITS, PG_EXACT_MATCH, &pg.pg_flags,
461 NULL);
462
463 argc -= i;
464 argv += i;
465
466 if (argc != 1)
467 return (DCMD_USAGE);
468
469 /*
470 * -n and -o are mutually exclusive.
471 */
472 if ((pg.pg_flags & PG_NEWEST) && (pg.pg_flags & PG_OLDEST))
473 return (DCMD_USAGE);
474
475 if (argv->a_type != MDB_TYPE_STRING)
476 return (DCMD_USAGE);
477
478 if (flags & DCMD_PIPE_OUT)
479 pg.pg_flags |= PG_PIPE_OUT;
480
481 pg.pg_pat = argv->a_un.a_str;
482 if (DCMD_HDRSPEC(flags))
483 pg.pg_psflags = DCMD_ADDRSPEC | DCMD_LOOP | DCMD_LOOPFIRST;
484 else
485 pg.pg_psflags = DCMD_ADDRSPEC | DCMD_LOOP;
486
487 #ifndef _KMDB
488 if ((err = regcomp(&pg.pg_reg, pg.pg_pat, REG_EXTENDED)) != 0) {
489 size_t nbytes;
490 char *buf;
491
492 nbytes = regerror(err, &pg.pg_reg, NULL, 0);
493 buf = mdb_alloc(nbytes + 1, UM_SLEEP | UM_GC);
494 (void) regerror(err, &pg.pg_reg, buf, nbytes);
495 mdb_warn("%s\n", buf);
496
497 return (DCMD_ERR);
498 }
499 #endif
500
501 if (mdb_walk("proc", pgrep_cb, &pg) != 0) {
502 mdb_warn("can't walk 'proc'");
503 return (DCMD_ERR);
504 }
505
506 if (pg.pg_xaddr != (uintptr_t)NULL &&
507 (pg.pg_flags & (PG_NEWEST | PG_OLDEST))) {
508 if (pg.pg_flags & PG_PIPE_OUT) {
509 mdb_printf("%p\n", pg.pg_xaddr);
510 } else {
511 if (mdb_call_dcmd("ps", pg.pg_xaddr, pg.pg_psflags,
512 0, NULL) != 0) {
513 mdb_warn("can't invoke 'ps'");
514 return (DCMD_ERR);
515 }
516 }
517 }
518
519 return (DCMD_OK);
520 }
521
522 int
523 task(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
524 {
525 task_t tk;
526 kproject_t pj;
527
528 if (!(flags & DCMD_ADDRSPEC)) {
529 if (mdb_walk_dcmd("task_cache", "task", argc, argv) == -1) {
530 mdb_warn("can't walk task_cache");
531 return (DCMD_ERR);
532 }
533 return (DCMD_OK);
534 }
535 if (DCMD_HDRSPEC(flags)) {
536 mdb_printf("%<u>%?s %6s %6s %6s %6s %10s%</u>\n",
537 "ADDR", "TASKID", "PROJID", "ZONEID", "REFCNT", "FLAGS");
538 }
539 if (mdb_vread(&tk, sizeof (task_t), addr) == -1) {
540 mdb_warn("can't read task_t structure at %p", addr);
541 return (DCMD_ERR);
542 }
543 if (mdb_vread(&pj, sizeof (kproject_t), (uintptr_t)tk.tk_proj) == -1) {
544 mdb_warn("can't read project_t structure at %p", addr);
545 return (DCMD_ERR);
546 }
547 mdb_printf("%0?p %6d %6d %6d %6u 0x%08x\n",
548 addr, tk.tk_tkid, pj.kpj_id, pj.kpj_zoneid, tk.tk_hold_count,
549 tk.tk_flags);
550 return (DCMD_OK);
551 }
552
553 int
554 project(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
555 {
556 kproject_t pj;
557
558 if (!(flags & DCMD_ADDRSPEC)) {
559 if (mdb_walk_dcmd("projects", "project", argc, argv) == -1) {
560 mdb_warn("can't walk projects");
561 return (DCMD_ERR);
562 }
563 return (DCMD_OK);
564 }
565 if (DCMD_HDRSPEC(flags)) {
566 mdb_printf("%<u>%?s %6s %6s %6s%</u>\n",
567 "ADDR", "PROJID", "ZONEID", "REFCNT");
568 }
569 if (mdb_vread(&pj, sizeof (kproject_t), addr) == -1) {
570 mdb_warn("can't read kproject_t structure at %p", addr);
571 return (DCMD_ERR);
572 }
573 mdb_printf("%0?p %6d %6d %6u\n", addr, pj.kpj_id, pj.kpj_zoneid,
574 pj.kpj_count);
575 return (DCMD_OK);
576 }
577
578 /* walk callouts themselves, either by list or id hash. */
579 int
580 callout_walk_init(mdb_walk_state_t *wsp)
581 {
582 if (wsp->walk_addr == (uintptr_t)NULL) {
583 mdb_warn("callout doesn't support global walk");
584 return (WALK_ERR);
585 }
586 wsp->walk_data = mdb_alloc(sizeof (callout_t), UM_SLEEP);
587 return (WALK_NEXT);
588 }
589
590 #define CALLOUT_WALK_BYLIST 0
591 #define CALLOUT_WALK_BYID 1
592
593 /* the walker arg switches between walking by list (0) and walking by id (1). */
594 int
595 callout_walk_step(mdb_walk_state_t *wsp)
596 {
597 int retval;
598
599 if (wsp->walk_addr == (uintptr_t)NULL) {
600 return (WALK_DONE);
601 }
602 if (mdb_vread(wsp->walk_data, sizeof (callout_t),
603 wsp->walk_addr) == -1) {
604 mdb_warn("failed to read callout at %p", wsp->walk_addr);
605 return (WALK_DONE);
606 }
607 retval = wsp->walk_callback(wsp->walk_addr, wsp->walk_data,
608 wsp->walk_cbdata);
609
610 if ((ulong_t)wsp->walk_arg == CALLOUT_WALK_BYID) {
611 wsp->walk_addr =
612 (uintptr_t)(((callout_t *)wsp->walk_data)->c_idnext);
613 } else {
614 wsp->walk_addr =
615 (uintptr_t)(((callout_t *)wsp->walk_data)->c_clnext);
616 }
617
618 return (retval);
619 }
620
621 void
622 callout_walk_fini(mdb_walk_state_t *wsp)
623 {
624 mdb_free(wsp->walk_data, sizeof (callout_t));
625 }
626
627 /*
628 * walker for callout lists. This is different from hashes and callouts.
629 * Thankfully, it's also simpler.
630 */
631 int
632 callout_list_walk_init(mdb_walk_state_t *wsp)
633 {
634 if (wsp->walk_addr == (uintptr_t)NULL) {
635 mdb_warn("callout list doesn't support global walk");
636 return (WALK_ERR);
637 }
638 wsp->walk_data = mdb_alloc(sizeof (callout_list_t), UM_SLEEP);
639 return (WALK_NEXT);
640 }
641
642 int
643 callout_list_walk_step(mdb_walk_state_t *wsp)
644 {
645 int retval;
646
647 if (wsp->walk_addr == (uintptr_t)NULL) {
648 return (WALK_DONE);
649 }
650 if (mdb_vread(wsp->walk_data, sizeof (callout_list_t),
651 wsp->walk_addr) != sizeof (callout_list_t)) {
652 mdb_warn("failed to read callout_list at %p", wsp->walk_addr);
653 return (WALK_ERR);
654 }
655 retval = wsp->walk_callback(wsp->walk_addr, wsp->walk_data,
656 wsp->walk_cbdata);
657
658 wsp->walk_addr = (uintptr_t)
659 (((callout_list_t *)wsp->walk_data)->cl_next);
660
661 return (retval);
662 }
663
664 void
665 callout_list_walk_fini(mdb_walk_state_t *wsp)
666 {
667 mdb_free(wsp->walk_data, sizeof (callout_list_t));
668 }
669
670 /* routines/structs to walk callout table(s) */
671 typedef struct cot_data {
672 callout_table_t *ct0;
673 callout_table_t ct;
674 callout_hash_t cot_idhash[CALLOUT_BUCKETS];
675 callout_hash_t cot_clhash[CALLOUT_BUCKETS];
676 kstat_named_t ct_kstat_data[CALLOUT_NUM_STATS];
677 int cotndx;
678 int cotsize;
679 } cot_data_t;
680
681 int
682 callout_table_walk_init(mdb_walk_state_t *wsp)
683 {
684 int max_ncpus;
685 cot_data_t *cot_walk_data;
686
687 cot_walk_data = mdb_alloc(sizeof (cot_data_t), UM_SLEEP);
688
689 if (wsp->walk_addr == (uintptr_t)NULL) {
690 if (mdb_readvar(&cot_walk_data->ct0, "callout_table") == -1) {
691 mdb_warn("failed to read 'callout_table'");
692 return (WALK_ERR);
693 }
694 if (mdb_readvar(&max_ncpus, "max_ncpus") == -1) {
695 mdb_warn("failed to get callout_table array size");
696 return (WALK_ERR);
697 }
698 cot_walk_data->cotsize = CALLOUT_NTYPES * max_ncpus;
699 wsp->walk_addr = (uintptr_t)cot_walk_data->ct0;
700 } else {
701 /* not a global walk */
702 cot_walk_data->cotsize = 1;
703 }
704
705 cot_walk_data->cotndx = 0;
706 wsp->walk_data = cot_walk_data;
707
708 return (WALK_NEXT);
709 }
710
711 int
712 callout_table_walk_step(mdb_walk_state_t *wsp)
713 {
714 int retval;
715 cot_data_t *cotwd = (cot_data_t *)wsp->walk_data;
716 size_t size;
717
718 if (cotwd->cotndx >= cotwd->cotsize) {
719 return (WALK_DONE);
720 }
721 if (mdb_vread(&(cotwd->ct), sizeof (callout_table_t),
722 wsp->walk_addr) != sizeof (callout_table_t)) {
723 mdb_warn("failed to read callout_table at %p", wsp->walk_addr);
724 return (WALK_ERR);
725 }
726
727 size = sizeof (callout_hash_t) * CALLOUT_BUCKETS;
728 if (cotwd->ct.ct_idhash != NULL) {
729 if (mdb_vread(cotwd->cot_idhash, size,
730 (uintptr_t)(cotwd->ct.ct_idhash)) != size) {
731 mdb_warn("failed to read id_hash at %p",
732 cotwd->ct.ct_idhash);
733 return (WALK_ERR);
734 }
735 }
736 if (cotwd->ct.ct_clhash != NULL) {
737 if (mdb_vread(&(cotwd->cot_clhash), size,
738 (uintptr_t)cotwd->ct.ct_clhash) == -1) {
739 mdb_warn("failed to read cl_hash at %p",
740 cotwd->ct.ct_clhash);
741 return (WALK_ERR);
742 }
743 }
744 size = sizeof (kstat_named_t) * CALLOUT_NUM_STATS;
745 if (cotwd->ct.ct_kstat_data != NULL) {
746 if (mdb_vread(&(cotwd->ct_kstat_data), size,
747 (uintptr_t)cotwd->ct.ct_kstat_data) == -1) {
748 mdb_warn("failed to read kstats at %p",
749 cotwd->ct.ct_kstat_data);
750 return (WALK_ERR);
751 }
752 }
753 retval = wsp->walk_callback(wsp->walk_addr, (void *)cotwd,
754 wsp->walk_cbdata);
755
756 cotwd->cotndx++;
757 if (cotwd->cotndx >= cotwd->cotsize) {
758 return (WALK_DONE);
759 }
760 wsp->walk_addr = (uintptr_t)((char *)wsp->walk_addr +
761 sizeof (callout_table_t));
762
763 return (retval);
764 }
765
766 void
767 callout_table_walk_fini(mdb_walk_state_t *wsp)
768 {
769 mdb_free(wsp->walk_data, sizeof (cot_data_t));
770 }
771
772 static const char *co_typenames[] = { "R", "N" };
773
774 #define CO_PLAIN_ID(xid) ((xid) & CALLOUT_ID_MASK)
775
776 #define TABLE_TO_SEQID(x) ((x) >> CALLOUT_TYPE_BITS)
777
778 /* callout flags, in no particular order */
779 #define COF_REAL 0x00000001
780 #define COF_NORM 0x00000002
781 #define COF_LONG 0x00000004
782 #define COF_SHORT 0x00000008
783 #define COF_EMPTY 0x00000010
784 #define COF_TIME 0x00000020
785 #define COF_BEFORE 0x00000040
786 #define COF_AFTER 0x00000080
787 #define COF_SEQID 0x00000100
788 #define COF_FUNC 0x00000200
789 #define COF_ADDR 0x00000400
790 #define COF_EXEC 0x00000800
791 #define COF_HIRES 0x00001000
792 #define COF_ABS 0x00002000
793 #define COF_TABLE 0x00004000
794 #define COF_BYIDH 0x00008000
795 #define COF_FREE 0x00010000
796 #define COF_LIST 0x00020000
797 #define COF_EXPREL 0x00040000
798 #define COF_HDR 0x00080000
799 #define COF_VERBOSE 0x00100000
800 #define COF_LONGLIST 0x00200000
801 #define COF_THDR 0x00400000
802 #define COF_LHDR 0x00800000
803 #define COF_CHDR 0x01000000
804 #define COF_PARAM 0x02000000
805 #define COF_DECODE 0x04000000
806 #define COF_HEAP 0x08000000
807 #define COF_QUEUE 0x10000000
808
809 /* show real and normal, short and long, expired and unexpired. */
810 #define COF_DEFAULT (COF_REAL | COF_NORM | COF_LONG | COF_SHORT)
811
812 #define COF_LIST_FLAGS \
813 (CALLOUT_LIST_FLAG_HRESTIME | CALLOUT_LIST_FLAG_ABSOLUTE)
814
815 /* private callout data for callback functions */
816 typedef struct callout_data {
817 uint_t flags; /* COF_* */
818 cpu_t *cpu; /* cpu pointer if given */
819 int seqid; /* cpu seqid, or -1 */
820 hrtime_t time; /* expiration time value */
821 hrtime_t atime; /* expiration before value */
822 hrtime_t btime; /* expiration after value */
823 uintptr_t funcaddr; /* function address or NULL */
824 uintptr_t param; /* parameter to function or NULL */
825 hrtime_t now; /* current system time */
826 int nsec_per_tick; /* for conversions */
827 ulong_t ctbits; /* for decoding xid */
828 callout_table_t *co_table; /* top of callout table array */
829 int ndx; /* table index. */
830 int bucket; /* which list/id bucket are we in */
831 hrtime_t exp; /* expire time */
832 int list_flags; /* copy of cl_flags */
833 } callout_data_t;
834
835 /* this callback does the actual callback itself (finally). */
836 /*ARGSUSED*/
837 static int
838 callouts_cb(uintptr_t addr, const void *data, void *priv)
839 {
840 callout_data_t *coargs = (callout_data_t *)priv;
841 callout_t *co = (callout_t *)data;
842 int tableid, list_flags;
843 callout_id_t coid;
844
845 if ((coargs == NULL) || (co == NULL)) {
846 return (WALK_ERR);
847 }
848
849 if ((coargs->flags & COF_FREE) && !(co->c_xid & CALLOUT_ID_FREE)) {
850 /*
851 * The callout must have been reallocated. No point in
852 * walking any more.
853 */
854 return (WALK_DONE);
855 }
856 if (!(coargs->flags & COF_FREE) && (co->c_xid & CALLOUT_ID_FREE)) {
857 /*
858 * The callout must have been freed. No point in
859 * walking any more.
860 */
861 return (WALK_DONE);
862 }
863 if ((coargs->flags & COF_FUNC) &&
864 (coargs->funcaddr != (uintptr_t)co->c_func)) {
865 return (WALK_NEXT);
866 }
867 if ((coargs->flags & COF_PARAM) &&
868 (coargs->param != (uintptr_t)co->c_arg)) {
869 return (WALK_NEXT);
870 }
871 if (!(coargs->flags & COF_LONG) && (co->c_xid & CALLOUT_LONGTERM)) {
872 return (WALK_NEXT);
873 }
874 if (!(coargs->flags & COF_SHORT) && !(co->c_xid & CALLOUT_LONGTERM)) {
875 return (WALK_NEXT);
876 }
877 if ((coargs->flags & COF_EXEC) && !(co->c_xid & CALLOUT_EXECUTING)) {
878 return (WALK_NEXT);
879 }
880 /* it is possible we don't have the exp time or flags */
881 if (coargs->flags & COF_BYIDH) {
882 if (!(coargs->flags & COF_FREE)) {
883 /* we have to fetch the expire time ourselves. */
884 if (mdb_vread(&coargs->exp, sizeof (hrtime_t),
885 (uintptr_t)co->c_list + offsetof(callout_list_t,
886 cl_expiration)) == -1) {
887 mdb_warn("failed to read expiration "
888 "time from %p", co->c_list);
889 coargs->exp = 0;
890 }
891 /* and flags. */
892 if (mdb_vread(&coargs->list_flags, sizeof (int),
893 (uintptr_t)co->c_list + offsetof(callout_list_t,
894 cl_flags)) == -1) {
895 mdb_warn("failed to read list flags"
896 "from %p", co->c_list);
897 coargs->list_flags = 0;
898 }
899 } else {
900 /* free callouts can't use list pointer. */
901 coargs->exp = 0;
902 coargs->list_flags = 0;
903 }
904 if (coargs->exp != 0) {
905 if ((coargs->flags & COF_TIME) &&
906 (coargs->exp != coargs->time)) {
907 return (WALK_NEXT);
908 }
909 if ((coargs->flags & COF_BEFORE) &&
910 (coargs->exp > coargs->btime)) {
911 return (WALK_NEXT);
912 }
913 if ((coargs->flags & COF_AFTER) &&
914 (coargs->exp < coargs->atime)) {
915 return (WALK_NEXT);
916 }
917 }
918 /* tricky part, since both HIRES and ABS can be set */
919 list_flags = coargs->list_flags;
920 if ((coargs->flags & COF_HIRES) && (coargs->flags & COF_ABS)) {
921 /* both flags are set, only skip "regular" ones */
922 if (! (list_flags & COF_LIST_FLAGS)) {
923 return (WALK_NEXT);
924 }
925 } else {
926 /* individual flags, or no flags */
927 if ((coargs->flags & COF_HIRES) &&
928 !(list_flags & CALLOUT_LIST_FLAG_HRESTIME)) {
929 return (WALK_NEXT);
930 }
931 if ((coargs->flags & COF_ABS) &&
932 !(list_flags & CALLOUT_LIST_FLAG_ABSOLUTE)) {
933 return (WALK_NEXT);
934 }
935 }
936 /*
937 * We do the checks for COF_HEAP and COF_QUEUE here only if we
938 * are traversing BYIDH. If the traversal is by callout list,
939 * we do this check in callout_list_cb() to be more
940 * efficient.
941 */
942 if ((coargs->flags & COF_HEAP) &&
943 !(list_flags & CALLOUT_LIST_FLAG_HEAPED)) {
944 return (WALK_NEXT);
945 }
946
947 if ((coargs->flags & COF_QUEUE) &&
948 !(list_flags & CALLOUT_LIST_FLAG_QUEUED)) {
949 return (WALK_NEXT);
950 }
951 }
952
953 #define callout_table_mask ((1 << coargs->ctbits) - 1)
954 tableid = CALLOUT_ID_TO_TABLE(co->c_xid);
955 #undef callout_table_mask
956 coid = CO_PLAIN_ID(co->c_xid);
957
958 if ((coargs->flags & COF_CHDR) && !(coargs->flags & COF_ADDR)) {
959 /*
960 * We need to print the headers. If walking by id, then
961 * the list header isn't printed, so we must include
962 * that info here.
963 */
964 if (!(coargs->flags & COF_VERBOSE)) {
965 mdb_printf("%<u>%3s %-1s %-14s %</u>",
966 "SEQ", "T", "EXP");
967 } else if (coargs->flags & COF_BYIDH) {
968 mdb_printf("%<u>%-14s %</u>", "EXP");
969 }
970 mdb_printf("%<u>%-4s %-?s %-20s%</u>",
971 "XHAL", "XID", "FUNC(ARG)");
972 if (coargs->flags & COF_LONGLIST) {
973 mdb_printf("%<u> %-?s %-?s %-?s %-?s%</u>",
974 "PREVID", "NEXTID", "PREVL", "NEXTL");
975 mdb_printf("%<u> %-?s %-4s %-?s%</u>",
976 "DONE", "UTOS", "THREAD");
977 }
978 mdb_printf("\n");
979 coargs->flags &= ~COF_CHDR;
980 coargs->flags |= (COF_THDR | COF_LHDR);
981 }
982
983 if (!(coargs->flags & COF_ADDR)) {
984 if (!(coargs->flags & COF_VERBOSE)) {
985 mdb_printf("%-3d %1s %-14llx ",
986 TABLE_TO_SEQID(tableid),
987 co_typenames[tableid & CALLOUT_TYPE_MASK],
988 (coargs->flags & COF_EXPREL) ?
989 coargs->exp - coargs->now : coargs->exp);
990 } else if (coargs->flags & COF_BYIDH) {
991 mdb_printf("%-14x ",
992 (coargs->flags & COF_EXPREL) ?
993 coargs->exp - coargs->now : coargs->exp);
994 }
995 list_flags = coargs->list_flags;
996 mdb_printf("%1s%1s%1s%1s %-?llx %a(%p)",
997 (co->c_xid & CALLOUT_EXECUTING) ? "X" : " ",
998 (list_flags & CALLOUT_LIST_FLAG_HRESTIME) ? "H" : " ",
999 (list_flags & CALLOUT_LIST_FLAG_ABSOLUTE) ? "A" : " ",
1000 (co->c_xid & CALLOUT_LONGTERM) ? "L" : " ",
1001 (long long)coid, co->c_func, co->c_arg);
1002 if (coargs->flags & COF_LONGLIST) {
1003 mdb_printf(" %-?p %-?p %-?p %-?p",
1004 co->c_idprev, co->c_idnext, co->c_clprev,
1005 co->c_clnext);
1006 mdb_printf(" %-?p %-4d %-0?p",
1007 co->c_done, co->c_waiting, co->c_executor);
1008 }
1009 } else {
1010 /* address only */
1011 mdb_printf("%-0p", addr);
1012 }
1013 mdb_printf("\n");
1014 return (WALK_NEXT);
1015 }
1016
1017 /* this callback is for callout list handling. idhash is done by callout_t_cb */
1018 /*ARGSUSED*/
1019 static int
1020 callout_list_cb(uintptr_t addr, const void *data, void *priv)
1021 {
1022 callout_data_t *coargs = (callout_data_t *)priv;
1023 callout_list_t *cl = (callout_list_t *)data;
1024 callout_t *coptr;
1025 int list_flags;
1026
1027 if ((coargs == NULL) || (cl == NULL)) {
1028 return (WALK_ERR);
1029 }
1030
1031 coargs->exp = cl->cl_expiration;
1032 coargs->list_flags = cl->cl_flags;
1033 if ((coargs->flags & COF_FREE) &&
1034 !(cl->cl_flags & CALLOUT_LIST_FLAG_FREE)) {
1035 /*
1036 * The callout list must have been reallocated. No point in
1037 * walking any more.
1038 */
1039 return (WALK_DONE);
1040 }
1041 if (!(coargs->flags & COF_FREE) &&
1042 (cl->cl_flags & CALLOUT_LIST_FLAG_FREE)) {
1043 /*
1044 * The callout list must have been freed. No point in
1045 * walking any more.
1046 */
1047 return (WALK_DONE);
1048 }
1049 if ((coargs->flags & COF_TIME) &&
1050 (cl->cl_expiration != coargs->time)) {
1051 return (WALK_NEXT);
1052 }
1053 if ((coargs->flags & COF_BEFORE) &&
1054 (cl->cl_expiration > coargs->btime)) {
1055 return (WALK_NEXT);
1056 }
1057 if ((coargs->flags & COF_AFTER) &&
1058 (cl->cl_expiration < coargs->atime)) {
1059 return (WALK_NEXT);
1060 }
1061 if (!(coargs->flags & COF_EMPTY) &&
1062 (cl->cl_callouts.ch_head == NULL)) {
1063 return (WALK_NEXT);
1064 }
1065 /* FOUR cases, each different, !A!B, !AB, A!B, AB */
1066 if ((coargs->flags & COF_HIRES) && (coargs->flags & COF_ABS)) {
1067 /* both flags are set, only skip "regular" ones */
1068 if (! (cl->cl_flags & COF_LIST_FLAGS)) {
1069 return (WALK_NEXT);
1070 }
1071 } else {
1072 if ((coargs->flags & COF_HIRES) &&
1073 !(cl->cl_flags & CALLOUT_LIST_FLAG_HRESTIME)) {
1074 return (WALK_NEXT);
1075 }
1076 if ((coargs->flags & COF_ABS) &&
1077 !(cl->cl_flags & CALLOUT_LIST_FLAG_ABSOLUTE)) {
1078 return (WALK_NEXT);
1079 }
1080 }
1081
1082 if ((coargs->flags & COF_HEAP) &&
1083 !(coargs->list_flags & CALLOUT_LIST_FLAG_HEAPED)) {
1084 return (WALK_NEXT);
1085 }
1086
1087 if ((coargs->flags & COF_QUEUE) &&
1088 !(coargs->list_flags & CALLOUT_LIST_FLAG_QUEUED)) {
1089 return (WALK_NEXT);
1090 }
1091
1092 if ((coargs->flags & COF_LHDR) && !(coargs->flags & COF_ADDR) &&
1093 (coargs->flags & (COF_LIST | COF_VERBOSE))) {
1094 if (!(coargs->flags & COF_VERBOSE)) {
1095 /* don't be redundant again */
1096 mdb_printf("%<u>SEQ T %</u>");
1097 }
1098 mdb_printf("%<u>EXP HA BUCKET "
1099 "CALLOUTS %</u>");
1100
1101 if (coargs->flags & COF_LONGLIST) {
1102 mdb_printf("%<u> %-?s %-?s%</u>",
1103 "PREV", "NEXT");
1104 }
1105 mdb_printf("\n");
1106 coargs->flags &= ~COF_LHDR;
1107 coargs->flags |= (COF_THDR | COF_CHDR);
1108 }
1109 if (coargs->flags & (COF_LIST | COF_VERBOSE)) {
1110 if (!(coargs->flags & COF_ADDR)) {
1111 if (!(coargs->flags & COF_VERBOSE)) {
1112 mdb_printf("%3d %1s ",
1113 TABLE_TO_SEQID(coargs->ndx),
1114 co_typenames[coargs->ndx &
1115 CALLOUT_TYPE_MASK]);
1116 }
1117
1118 list_flags = coargs->list_flags;
1119 mdb_printf("%-14llx %1s%1s %-6d %-0?p ",
1120 (coargs->flags & COF_EXPREL) ?
1121 coargs->exp - coargs->now : coargs->exp,
1122 (list_flags & CALLOUT_LIST_FLAG_HRESTIME) ?
1123 "H" : " ",
1124 (list_flags & CALLOUT_LIST_FLAG_ABSOLUTE) ?
1125 "A" : " ",
1126 coargs->bucket, cl->cl_callouts.ch_head);
1127
1128 if (coargs->flags & COF_LONGLIST) {
1129 mdb_printf(" %-?p %-?p",
1130 cl->cl_prev, cl->cl_next);
1131 }
1132 } else {
1133 /* address only */
1134 mdb_printf("%-0p", addr);
1135 }
1136 mdb_printf("\n");
1137 if (coargs->flags & COF_LIST) {
1138 return (WALK_NEXT);
1139 }
1140 }
1141 /* yet another layer as we walk the actual callouts via list. */
1142 if (cl->cl_callouts.ch_head == NULL) {
1143 return (WALK_NEXT);
1144 }
1145 /* free list structures do not have valid callouts off of them. */
1146 if (coargs->flags & COF_FREE) {
1147 return (WALK_NEXT);
1148 }
1149 coptr = (callout_t *)cl->cl_callouts.ch_head;
1150
1151 if (coargs->flags & COF_VERBOSE) {
1152 mdb_inc_indent(4);
1153 }
1154 /*
1155 * walk callouts using yet another callback routine.
1156 * we use callouts_bytime because id hash is handled via
1157 * the callout_t_cb callback.
1158 */
1159 if (mdb_pwalk("callouts_bytime", callouts_cb, coargs,
1160 (uintptr_t)coptr) == -1) {
1161 mdb_warn("cannot walk callouts at %p", coptr);
1162 return (WALK_ERR);
1163 }
1164 if (coargs->flags & COF_VERBOSE) {
1165 mdb_dec_indent(4);
1166 }
1167
1168 return (WALK_NEXT);
1169 }
1170
1171 /* this callback handles the details of callout table walking. */
1172 static int
1173 callout_t_cb(uintptr_t addr, const void *data, void *priv)
1174 {
1175 callout_data_t *coargs = (callout_data_t *)priv;
1176 cot_data_t *cotwd = (cot_data_t *)data;
1177 callout_table_t *ct = &(cotwd->ct);
1178 int index, seqid, cotype;
1179 int i;
1180 callout_list_t *clptr;
1181 callout_t *coptr;
1182
1183 if ((coargs == NULL) || (ct == NULL) || (coargs->co_table == NULL)) {
1184 return (WALK_ERR);
1185 }
1186
1187 index = ((char *)addr - (char *)coargs->co_table) /
1188 sizeof (callout_table_t);
1189 cotype = index & CALLOUT_TYPE_MASK;
1190 seqid = TABLE_TO_SEQID(index);
1191
1192 if ((coargs->flags & COF_SEQID) && (coargs->seqid != seqid)) {
1193 return (WALK_NEXT);
1194 }
1195
1196 if (!(coargs->flags & COF_REAL) && (cotype == CALLOUT_REALTIME)) {
1197 return (WALK_NEXT);
1198 }
1199
1200 if (!(coargs->flags & COF_NORM) && (cotype == CALLOUT_NORMAL)) {
1201 return (WALK_NEXT);
1202 }
1203
1204 if (!(coargs->flags & COF_EMPTY) && (
1205 (ct->ct_heap == NULL) || (ct->ct_cyclic == (uintptr_t)NULL))) {
1206 return (WALK_NEXT);
1207 }
1208
1209 if ((coargs->flags & COF_THDR) && !(coargs->flags & COF_ADDR) &&
1210 (coargs->flags & (COF_TABLE | COF_VERBOSE))) {
1211 /* print table hdr */
1212 mdb_printf("%<u>%-3s %-1s %-?s %-?s %-?s %-?s%</u>",
1213 "SEQ", "T", "FREE", "LFREE", "CYCLIC", "HEAP");
1214 coargs->flags &= ~COF_THDR;
1215 coargs->flags |= (COF_LHDR | COF_CHDR);
1216 if (coargs->flags & COF_LONGLIST) {
1217 /* more info! */
1218 mdb_printf("%<u> %-T%-7s %-7s %-?s %-?s %-?s"
1219 " %-?s %-?s %-?s%</u>",
1220 "HEAPNUM", "HEAPMAX", "TASKQ", "EXPQ", "QUE",
1221 "PEND", "FREE", "LOCK");
1222 }
1223 mdb_printf("\n");
1224 }
1225 if (coargs->flags & (COF_TABLE | COF_VERBOSE)) {
1226 if (!(coargs->flags & COF_ADDR)) {
1227 mdb_printf("%-3d %-1s %-0?p %-0?p %-0?p %-?p",
1228 seqid, co_typenames[cotype],
1229 ct->ct_free, ct->ct_lfree, ct->ct_cyclic,
1230 ct->ct_heap);
1231 if (coargs->flags & COF_LONGLIST) {
1232 /* more info! */
1233 mdb_printf(" %-7d %-7d %-?p %-?p %-?p"
1234 " %-?lld %-?lld %-?p",
1235 ct->ct_heap_num, ct->ct_heap_max,
1236 ct->ct_taskq, ct->ct_expired.ch_head,
1237 ct->ct_queue.ch_head,
1238 cotwd->ct_timeouts_pending,
1239 cotwd->ct_allocations -
1240 cotwd->ct_timeouts_pending,
1241 ct->ct_mutex);
1242 }
1243 } else {
1244 /* address only */
1245 mdb_printf("%-0?p", addr);
1246 }
1247 mdb_printf("\n");
1248 if (coargs->flags & COF_TABLE) {
1249 return (WALK_NEXT);
1250 }
1251 }
1252
1253 coargs->ndx = index;
1254 if (coargs->flags & COF_VERBOSE) {
1255 mdb_inc_indent(4);
1256 }
1257 /* keep digging. */
1258 if (!(coargs->flags & COF_BYIDH)) {
1259 /* walk the list hash table */
1260 if (coargs->flags & COF_FREE) {
1261 clptr = ct->ct_lfree;
1262 coargs->bucket = 0;
1263 if (clptr == NULL) {
1264 return (WALK_NEXT);
1265 }
1266 if (mdb_pwalk("callout_list", callout_list_cb, coargs,
1267 (uintptr_t)clptr) == -1) {
1268 mdb_warn("cannot walk callout free list at %p",
1269 clptr);
1270 return (WALK_ERR);
1271 }
1272 } else {
1273 /* first print the expired list. */
1274 clptr = (callout_list_t *)ct->ct_expired.ch_head;
1275 if (clptr != NULL) {
1276 coargs->bucket = -1;
1277 if (mdb_pwalk("callout_list", callout_list_cb,
1278 coargs, (uintptr_t)clptr) == -1) {
1279 mdb_warn("cannot walk callout_list"
1280 " at %p", clptr);
1281 return (WALK_ERR);
1282 }
1283 }
1284 /* then, print the callout queue */
1285 clptr = (callout_list_t *)ct->ct_queue.ch_head;
1286 if (clptr != NULL) {
1287 coargs->bucket = -1;
1288 if (mdb_pwalk("callout_list", callout_list_cb,
1289 coargs, (uintptr_t)clptr) == -1) {
1290 mdb_warn("cannot walk callout_list"
1291 " at %p", clptr);
1292 return (WALK_ERR);
1293 }
1294 }
1295 for (i = 0; i < CALLOUT_BUCKETS; i++) {
1296 if (ct->ct_clhash == NULL) {
1297 /* nothing to do */
1298 break;
1299 }
1300 if (cotwd->cot_clhash[i].ch_head == NULL) {
1301 continue;
1302 }
1303 clptr = (callout_list_t *)
1304 cotwd->cot_clhash[i].ch_head;
1305 coargs->bucket = i;
1306 /* walk list with callback routine. */
1307 if (mdb_pwalk("callout_list", callout_list_cb,
1308 coargs, (uintptr_t)clptr) == -1) {
1309 mdb_warn("cannot walk callout_list"
1310 " at %p", clptr);
1311 return (WALK_ERR);
1312 }
1313 }
1314 }
1315 } else {
1316 /* walk the id hash table. */
1317 if (coargs->flags & COF_FREE) {
1318 coptr = ct->ct_free;
1319 coargs->bucket = 0;
1320 if (coptr == NULL) {
1321 return (WALK_NEXT);
1322 }
1323 if (mdb_pwalk("callouts_byid", callouts_cb, coargs,
1324 (uintptr_t)coptr) == -1) {
1325 mdb_warn("cannot walk callout id free list"
1326 " at %p", coptr);
1327 return (WALK_ERR);
1328 }
1329 } else {
1330 for (i = 0; i < CALLOUT_BUCKETS; i++) {
1331 if (ct->ct_idhash == NULL) {
1332 break;
1333 }
1334 coptr = (callout_t *)
1335 cotwd->cot_idhash[i].ch_head;
1336 if (coptr == NULL) {
1337 continue;
1338 }
1339 coargs->bucket = i;
1340
1341 /*
1342 * walk callouts directly by id. For id
1343 * chain, the callout list is just a header,
1344 * so there's no need to walk it.
1345 */
1346 if (mdb_pwalk("callouts_byid", callouts_cb,
1347 coargs, (uintptr_t)coptr) == -1) {
1348 mdb_warn("cannot walk callouts at %p",
1349 coptr);
1350 return (WALK_ERR);
1351 }
1352 }
1353 }
1354 }
1355 if (coargs->flags & COF_VERBOSE) {
1356 mdb_dec_indent(4);
1357 }
1358 return (WALK_NEXT);
1359 }
1360
1361 /*
1362 * initialize some common info for both callout dcmds.
1363 */
1364 int
1365 callout_common_init(callout_data_t *coargs)
1366 {
1367 /* we need a couple of things */
1368 if (mdb_readvar(&(coargs->co_table), "callout_table") == -1) {
1369 mdb_warn("failed to read 'callout_table'");
1370 return (DCMD_ERR);
1371 }
1372 /* need to get now in nsecs. Approximate with hrtime vars */
1373 if (mdb_readsym(&(coargs->now), sizeof (hrtime_t), "hrtime_last") !=
1374 sizeof (hrtime_t)) {
1375 if (mdb_readsym(&(coargs->now), sizeof (hrtime_t),
1376 "hrtime_base") != sizeof (hrtime_t)) {
1377 mdb_warn("Could not determine current system time");
1378 return (DCMD_ERR);
1379 }
1380 }
1381
1382 if (mdb_readvar(&(coargs->ctbits), "callout_table_bits") == -1) {
1383 mdb_warn("failed to read 'callout_table_bits'");
1384 return (DCMD_ERR);
1385 }
1386 if (mdb_readvar(&(coargs->nsec_per_tick), "nsec_per_tick") == -1) {
1387 mdb_warn("failed to read 'nsec_per_tick'");
1388 return (DCMD_ERR);
1389 }
1390 return (DCMD_OK);
1391 }
1392
1393 /*
1394 * dcmd to print callouts. Optional addr limits to specific table.
1395 * Parses lots of options that get passed to callbacks for walkers.
1396 * Has it's own help function.
1397 */
1398 /*ARGSUSED*/
1399 int
1400 callout(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
1401 {
1402 callout_data_t coargs;
1403 /* getopts doesn't help much with stuff like this */
1404 boolean_t Sflag, Cflag, tflag, aflag, bflag, dflag, kflag;
1405 char *funcname = NULL;
1406 char *paramstr = NULL;
1407 uintptr_t Stmp, Ctmp; /* for getopt. */
1408 int retval;
1409
1410 coargs.flags = COF_DEFAULT;
1411 Sflag = Cflag = tflag = bflag = aflag = dflag = kflag = FALSE;
1412 coargs.seqid = -1;
1413
1414 if (mdb_getopts(argc, argv,
1415 'r', MDB_OPT_CLRBITS, COF_NORM, &coargs.flags,
1416 'n', MDB_OPT_CLRBITS, COF_REAL, &coargs.flags,
1417 'l', MDB_OPT_CLRBITS, COF_SHORT, &coargs.flags,
1418 's', MDB_OPT_CLRBITS, COF_LONG, &coargs.flags,
1419 'x', MDB_OPT_SETBITS, COF_EXEC, &coargs.flags,
1420 'h', MDB_OPT_SETBITS, COF_HIRES, &coargs.flags,
1421 'B', MDB_OPT_SETBITS, COF_ABS, &coargs.flags,
1422 'E', MDB_OPT_SETBITS, COF_EMPTY, &coargs.flags,
1423 'd', MDB_OPT_SETBITS, 1, &dflag,
1424 'C', MDB_OPT_UINTPTR_SET, &Cflag, &Ctmp,
1425 'S', MDB_OPT_UINTPTR_SET, &Sflag, &Stmp,
1426 't', MDB_OPT_UINTPTR_SET, &tflag, (uintptr_t *)&coargs.time,
1427 'a', MDB_OPT_UINTPTR_SET, &aflag, (uintptr_t *)&coargs.atime,
1428 'b', MDB_OPT_UINTPTR_SET, &bflag, (uintptr_t *)&coargs.btime,
1429 'k', MDB_OPT_SETBITS, 1, &kflag,
1430 'f', MDB_OPT_STR, &funcname,
1431 'p', MDB_OPT_STR, &paramstr,
1432 'T', MDB_OPT_SETBITS, COF_TABLE, &coargs.flags,
1433 'D', MDB_OPT_SETBITS, COF_EXPREL, &coargs.flags,
1434 'L', MDB_OPT_SETBITS, COF_LIST, &coargs.flags,
1435 'V', MDB_OPT_SETBITS, COF_VERBOSE, &coargs.flags,
1436 'v', MDB_OPT_SETBITS, COF_LONGLIST, &coargs.flags,
1437 'i', MDB_OPT_SETBITS, COF_BYIDH, &coargs.flags,
1438 'F', MDB_OPT_SETBITS, COF_FREE, &coargs.flags,
1439 'H', MDB_OPT_SETBITS, COF_HEAP, &coargs.flags,
1440 'Q', MDB_OPT_SETBITS, COF_QUEUE, &coargs.flags,
1441 'A', MDB_OPT_SETBITS, COF_ADDR, &coargs.flags,
1442 NULL) != argc) {
1443 return (DCMD_USAGE);
1444 }
1445
1446 /* initialize from kernel variables */
1447 if ((retval = callout_common_init(&coargs)) != DCMD_OK) {
1448 return (retval);
1449 }
1450
1451 /* do some option post-processing */
1452 if (kflag) {
1453 coargs.time *= coargs.nsec_per_tick;
1454 coargs.atime *= coargs.nsec_per_tick;
1455 coargs.btime *= coargs.nsec_per_tick;
1456 }
1457
1458 if (dflag) {
1459 coargs.time += coargs.now;
1460 coargs.atime += coargs.now;
1461 coargs.btime += coargs.now;
1462 }
1463 if (Sflag) {
1464 if (flags & DCMD_ADDRSPEC) {
1465 mdb_printf("-S option conflicts with explicit"
1466 " address\n");
1467 return (DCMD_USAGE);
1468 }
1469 coargs.flags |= COF_SEQID;
1470 coargs.seqid = (int)Stmp;
1471 }
1472 if (Cflag) {
1473 if (flags & DCMD_ADDRSPEC) {
1474 mdb_printf("-C option conflicts with explicit"
1475 " address\n");
1476 return (DCMD_USAGE);
1477 }
1478 if (coargs.flags & COF_SEQID) {
1479 mdb_printf("-C and -S are mutually exclusive\n");
1480 return (DCMD_USAGE);
1481 }
1482 coargs.cpu = (cpu_t *)Ctmp;
1483 if (mdb_vread(&coargs.seqid, sizeof (processorid_t),
1484 (uintptr_t)&(coargs.cpu->cpu_seqid)) == -1) {
1485 mdb_warn("failed to read cpu_t at %p", Ctmp);
1486 return (DCMD_ERR);
1487 }
1488 coargs.flags |= COF_SEQID;
1489 }
1490 /* avoid null outputs. */
1491 if (!(coargs.flags & (COF_REAL | COF_NORM))) {
1492 coargs.flags |= COF_REAL | COF_NORM;
1493 }
1494 if (!(coargs.flags & (COF_LONG | COF_SHORT))) {
1495 coargs.flags |= COF_LONG | COF_SHORT;
1496 }
1497 if (tflag) {
1498 if (aflag || bflag) {
1499 mdb_printf("-t and -a|b are mutually exclusive\n");
1500 return (DCMD_USAGE);
1501 }
1502 coargs.flags |= COF_TIME;
1503 }
1504 if (aflag) {
1505 coargs.flags |= COF_AFTER;
1506 }
1507 if (bflag) {
1508 coargs.flags |= COF_BEFORE;
1509 }
1510 if ((aflag && bflag) && (coargs.btime <= coargs.atime)) {
1511 mdb_printf("value for -a must be earlier than the value"
1512 " for -b.\n");
1513 return (DCMD_USAGE);
1514 }
1515
1516 if ((coargs.flags & COF_HEAP) && (coargs.flags & COF_QUEUE)) {
1517 mdb_printf("-H and -Q are mutually exclusive\n");
1518 return (DCMD_USAGE);
1519 }
1520
1521 if (funcname != NULL) {
1522 GElf_Sym sym;
1523
1524 if (mdb_lookup_by_name(funcname, &sym) != 0) {
1525 coargs.funcaddr = mdb_strtoull(funcname);
1526 } else {
1527 coargs.funcaddr = sym.st_value;
1528 }
1529 coargs.flags |= COF_FUNC;
1530 }
1531
1532 if (paramstr != NULL) {
1533 GElf_Sym sym;
1534
1535 if (mdb_lookup_by_name(paramstr, &sym) != 0) {
1536 coargs.param = mdb_strtoull(paramstr);
1537 } else {
1538 coargs.param = sym.st_value;
1539 }
1540 coargs.flags |= COF_PARAM;
1541 }
1542
1543 if (!(flags & DCMD_ADDRSPEC)) {
1544 /* don't pass "dot" if no addr. */
1545 addr = (uintptr_t)NULL;
1546 }
1547 if (addr != (uintptr_t)NULL) {
1548 /*
1549 * a callout table was specified. Ignore -r|n option
1550 * to avoid null output.
1551 */
1552 coargs.flags |= (COF_REAL | COF_NORM);
1553 }
1554
1555 if (DCMD_HDRSPEC(flags) || (coargs.flags & COF_VERBOSE)) {
1556 coargs.flags |= COF_THDR | COF_LHDR | COF_CHDR;
1557 }
1558 if (coargs.flags & COF_FREE) {
1559 coargs.flags |= COF_EMPTY;
1560 /* -F = free callouts, -FL = free lists */
1561 if (!(coargs.flags & COF_LIST)) {
1562 coargs.flags |= COF_BYIDH;
1563 }
1564 }
1565
1566 /* walk table, using specialized callback routine. */
1567 if (mdb_pwalk("callout_table", callout_t_cb, &coargs, addr) == -1) {
1568 mdb_warn("cannot walk callout_table");
1569 return (DCMD_ERR);
1570 }
1571 return (DCMD_OK);
1572 }
1573
1574
1575 /*
1576 * Given an extended callout id, dump its information.
1577 */
1578 /*ARGSUSED*/
1579 int
1580 calloutid(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
1581 {
1582 callout_data_t coargs;
1583 callout_table_t *ctptr;
1584 callout_table_t ct;
1585 callout_id_t coid;
1586 callout_t *coptr;
1587 int tableid;
1588 callout_id_t xid;
1589 ulong_t idhash;
1590 int i, retval;
1591 const mdb_arg_t *arg;
1592 size_t size;
1593 callout_hash_t cot_idhash[CALLOUT_BUCKETS];
1594
1595 coargs.flags = COF_DEFAULT | COF_BYIDH;
1596 i = mdb_getopts(argc, argv,
1597 'd', MDB_OPT_SETBITS, COF_DECODE, &coargs.flags,
1598 'v', MDB_OPT_SETBITS, COF_LONGLIST, &coargs.flags,
1599 NULL);
1600 argc -= i;
1601 argv += i;
1602
1603 if (argc != 1) {
1604 return (DCMD_USAGE);
1605 }
1606 arg = &argv[0];
1607
1608 if (arg->a_type == MDB_TYPE_IMMEDIATE) {
1609 xid = arg->a_un.a_val;
1610 } else {
1611 xid = (callout_id_t)mdb_strtoull(arg->a_un.a_str);
1612 }
1613
1614 if (DCMD_HDRSPEC(flags)) {
1615 coargs.flags |= COF_CHDR;
1616 }
1617
1618
1619 /* initialize from kernel variables */
1620 if ((retval = callout_common_init(&coargs)) != DCMD_OK) {
1621 return (retval);
1622 }
1623
1624 /* we must massage the environment so that the macros will play nice */
1625 #define callout_table_mask ((1 << coargs.ctbits) - 1)
1626 #define callout_table_bits coargs.ctbits
1627 #define nsec_per_tick coargs.nsec_per_tick
1628 tableid = CALLOUT_ID_TO_TABLE(xid);
1629 idhash = CALLOUT_IDHASH(xid);
1630 #undef callouts_table_bits
1631 #undef callout_table_mask
1632 #undef nsec_per_tick
1633 coid = CO_PLAIN_ID(xid);
1634
1635 if (flags & DCMD_ADDRSPEC) {
1636 mdb_printf("calloutid does not accept explicit address.\n");
1637 return (DCMD_USAGE);
1638 }
1639
1640 if (coargs.flags & COF_DECODE) {
1641 if (DCMD_HDRSPEC(flags)) {
1642 mdb_printf("%<u>%3s %1s %2s %-?s %-6s %</u>\n",
1643 "SEQ", "T", "XL", "XID", "IDHASH");
1644 }
1645 mdb_printf("%-3d %1s %1s%1s %-?llx %-6d\n",
1646 TABLE_TO_SEQID(tableid),
1647 co_typenames[tableid & CALLOUT_TYPE_MASK],
1648 (xid & CALLOUT_EXECUTING) ? "X" : " ",
1649 (xid & CALLOUT_LONGTERM) ? "L" : " ",
1650 (long long)coid, idhash);
1651 return (DCMD_OK);
1652 }
1653
1654 /* get our table. Note this relies on the types being correct */
1655 ctptr = coargs.co_table + tableid;
1656 if (mdb_vread(&ct, sizeof (callout_table_t), (uintptr_t)ctptr) == -1) {
1657 mdb_warn("failed to read callout_table at %p", ctptr);
1658 return (DCMD_ERR);
1659 }
1660 size = sizeof (callout_hash_t) * CALLOUT_BUCKETS;
1661 if (ct.ct_idhash != NULL) {
1662 if (mdb_vread(&(cot_idhash), size,
1663 (uintptr_t)ct.ct_idhash) == -1) {
1664 mdb_warn("failed to read id_hash at %p",
1665 ct.ct_idhash);
1666 return (WALK_ERR);
1667 }
1668 }
1669
1670 /* callout at beginning of hash chain */
1671 if (ct.ct_idhash == NULL) {
1672 mdb_printf("id hash chain for this xid is empty\n");
1673 return (DCMD_ERR);
1674 }
1675 coptr = (callout_t *)cot_idhash[idhash].ch_head;
1676 if (coptr == NULL) {
1677 mdb_printf("id hash chain for this xid is empty\n");
1678 return (DCMD_ERR);
1679 }
1680
1681 coargs.ndx = tableid;
1682 coargs.bucket = idhash;
1683
1684 /* use the walker, luke */
1685 if (mdb_pwalk("callouts_byid", callouts_cb, &coargs,
1686 (uintptr_t)coptr) == -1) {
1687 mdb_warn("cannot walk callouts at %p", coptr);
1688 return (WALK_ERR);
1689 }
1690
1691 return (DCMD_OK);
1692 }
1693
1694 void
1695 callout_help(void)
1696 {
1697 mdb_printf("callout: display callouts.\n"
1698 "Given a callout table address, display callouts from table.\n"
1699 "Without an address, display callouts from all tables.\n"
1700 "options:\n"
1701 " -r|n : limit display to (r)ealtime or (n)ormal type callouts\n"
1702 " -s|l : limit display to (s)hort-term ids or (l)ong-term ids\n"
1703 " -x : limit display to callouts which are executing\n"
1704 " -h : limit display to callouts based on hrestime\n"
1705 " -B : limit display to callouts based on absolute time\n"
1706 " -t|a|b nsec: limit display to callouts that expire a(t) time,"
1707 " (a)fter time,\n or (b)efore time. Use -a and -b together "
1708 " to specify a range.\n For \"now\", use -d[t|a|b] 0.\n"
1709 " -d : interpret time option to -t|a|b as delta from current time\n"
1710 " -k : use ticks instead of nanoseconds as arguments to"
1711 " -t|a|b. Note that\n ticks are less accurate and may not"
1712 " match other tick times (ie: lbolt).\n"
1713 " -D : display exiration time as delta from current time\n"
1714 " -S seqid : limit display to callouts for this cpu sequence id\n"
1715 " -C addr : limit display to callouts for this cpu pointer\n"
1716 " -f name|addr : limit display to callouts with this function\n"
1717 " -p name|addr : limit display to callouts functions with this"
1718 " parameter\n"
1719 " -T : display the callout table itself, instead of callouts\n"
1720 " -L : display callout lists instead of callouts\n"
1721 " -E : with -T or L, display empty data structures.\n"
1722 " -i : traverse callouts by id hash instead of list hash\n"
1723 " -F : walk free callout list (free list with -i) instead\n"
1724 " -v : display more info for each item\n"
1725 " -V : show details of each level of info as it is traversed\n"
1726 " -H : limit display to callouts in the callout heap\n"
1727 " -Q : limit display to callouts in the callout queue\n"
1728 " -A : show only addresses. Useful for pipelines.\n");
1729 }
1730
1731 void
1732 calloutid_help(void)
1733 {
1734 mdb_printf("calloutid: display callout by id.\n"
1735 "Given an extended callout id, display the callout infomation.\n"
1736 "options:\n"
1737 " -d : do not dereference callout, just decode the id.\n"
1738 " -v : verbose display more info about the callout\n");
1739 }
1740
1741 /*ARGSUSED*/
1742 int
1743 class(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
1744 {
1745 long num_classes, i;
1746 sclass_t *class_tbl;
1747 GElf_Sym g_sclass;
1748 char class_name[PC_CLNMSZ];
1749 size_t tbl_size;
1750
1751 if (mdb_lookup_by_name("sclass", &g_sclass) == -1) {
1752 mdb_warn("failed to find symbol sclass\n");
1753 return (DCMD_ERR);
1754 }
1755
1756 tbl_size = (size_t)g_sclass.st_size;
1757 num_classes = tbl_size / (sizeof (sclass_t));
1758 class_tbl = mdb_alloc(tbl_size, UM_SLEEP | UM_GC);
1759
1760 if (mdb_readsym(class_tbl, tbl_size, "sclass") == -1) {
1761 mdb_warn("failed to read sclass");
1762 return (DCMD_ERR);
1763 }
1764
1765 mdb_printf("%<u>%4s %-10s %-24s %-24s%</u>\n", "SLOT", "NAME",
1766 "INIT FCN", "CLASS FCN");
1767
1768 for (i = 0; i < num_classes; i++) {
1769 if (mdb_vread(class_name, sizeof (class_name),
1770 (uintptr_t)class_tbl[i].cl_name) == -1)
1771 (void) strcpy(class_name, "???");
1772
1773 mdb_printf("%4ld %-10s %-24a %-24a\n", i, class_name,
1774 class_tbl[i].cl_init, class_tbl[i].cl_funcs);
1775 }
1776
1777 return (DCMD_OK);
1778 }
1779
1780 #define FSNAMELEN 32 /* Max len of FS name we read from vnodeops */
1781
1782 int
1783 vnode2path(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
1784 {
1785 uintptr_t rootdir;
1786 vnode_t vn;
1787 char buf[MAXPATHLEN];
1788
1789 uint_t opt_F = FALSE;
1790
1791 if (mdb_getopts(argc, argv,
1792 'F', MDB_OPT_SETBITS, TRUE, &opt_F, NULL) != argc)
1793 return (DCMD_USAGE);
1794
1795 if (!(flags & DCMD_ADDRSPEC)) {
1796 mdb_warn("expected explicit vnode_t address before ::\n");
1797 return (DCMD_USAGE);
1798 }
1799
1800 if (mdb_readvar(&rootdir, "rootdir") == -1) {
1801 mdb_warn("failed to read rootdir");
1802 return (DCMD_ERR);
1803 }
1804
1805 if (mdb_vnode2path(addr, buf, sizeof (buf)) == -1)
1806 return (DCMD_ERR);
1807
1808 if (*buf == '\0') {
1809 mdb_printf("??\n");
1810 return (DCMD_OK);
1811 }
1812
1813 mdb_printf("%s", buf);
1814 if (opt_F && buf[strlen(buf)-1] != '/' &&
1815 mdb_vread(&vn, sizeof (vn), addr) == sizeof (vn))
1816 mdb_printf("%c", mdb_vtype2chr(vn.v_type, 0));
1817 mdb_printf("\n");
1818
1819 return (DCMD_OK);
1820 }
1821
1822 int
1823 ld_walk_init(mdb_walk_state_t *wsp)
1824 {
1825 wsp->walk_data = (void *)wsp->walk_addr;
1826 return (WALK_NEXT);
1827 }
1828
1829 int
1830 ld_walk_step(mdb_walk_state_t *wsp)
1831 {
1832 int status;
1833 lock_descriptor_t ld;
1834
1835 if (mdb_vread(&ld, sizeof (lock_descriptor_t), wsp->walk_addr) == -1) {
1836 mdb_warn("couldn't read lock_descriptor_t at %p\n",
1837 wsp->walk_addr);
1838 return (WALK_ERR);
1839 }
1840
1841 status = wsp->walk_callback(wsp->walk_addr, &ld, wsp->walk_cbdata);
1842 if (status == WALK_ERR)
1843 return (WALK_ERR);
1844
1845 wsp->walk_addr = (uintptr_t)ld.l_next;
1846 if (wsp->walk_addr == (uintptr_t)wsp->walk_data)
1847 return (WALK_DONE);
1848
1849 return (status);
1850 }
1851
1852 int
1853 lg_walk_init(mdb_walk_state_t *wsp)
1854 {
1855 GElf_Sym sym;
1856
1857 if (mdb_lookup_by_name("lock_graph", &sym) == -1) {
1858 mdb_warn("failed to find symbol 'lock_graph'\n");
1859 return (WALK_ERR);
1860 }
1861
1862 wsp->walk_addr = (uintptr_t)sym.st_value;
1863 wsp->walk_data = (void *)(uintptr_t)(sym.st_value + sym.st_size);
1864
1865 return (WALK_NEXT);
1866 }
1867
1868 typedef struct lg_walk_data {
1869 uintptr_t startaddr;
1870 mdb_walk_cb_t callback;
1871 void *data;
1872 } lg_walk_data_t;
1873
1874 /*
1875 * We can't use ::walk lock_descriptor directly, because the head of each graph
1876 * is really a dummy lock. Rather than trying to dynamically determine if this
1877 * is a dummy node or not, we just filter out the initial element of the
1878 * list.
1879 */
1880 static int
1881 lg_walk_cb(uintptr_t addr, const void *data, void *priv)
1882 {
1883 lg_walk_data_t *lw = priv;
1884
1885 if (addr != lw->startaddr)
1886 return (lw->callback(addr, data, lw->data));
1887
1888 return (WALK_NEXT);
1889 }
1890
1891 int
1892 lg_walk_step(mdb_walk_state_t *wsp)
1893 {
1894 graph_t *graph;
1895 lg_walk_data_t lw;
1896
1897 if (wsp->walk_addr >= (uintptr_t)wsp->walk_data)
1898 return (WALK_DONE);
1899
1900 if (mdb_vread(&graph, sizeof (graph), wsp->walk_addr) == -1) {
1901 mdb_warn("failed to read graph_t at %p", wsp->walk_addr);
1902 return (WALK_ERR);
1903 }
1904
1905 wsp->walk_addr += sizeof (graph);
1906
1907 if (graph == NULL)
1908 return (WALK_NEXT);
1909
1910 lw.callback = wsp->walk_callback;
1911 lw.data = wsp->walk_cbdata;
1912
1913 lw.startaddr = (uintptr_t)&(graph->active_locks);
1914 if (mdb_pwalk("lock_descriptor", lg_walk_cb, &lw, lw.startaddr)) {
1915 mdb_warn("couldn't walk lock_descriptor at %p\n", lw.startaddr);
1916 return (WALK_ERR);
1917 }
1918
1919 lw.startaddr = (uintptr_t)&(graph->sleeping_locks);
1920 if (mdb_pwalk("lock_descriptor", lg_walk_cb, &lw, lw.startaddr)) {
1921 mdb_warn("couldn't walk lock_descriptor at %p\n", lw.startaddr);
1922 return (WALK_ERR);
1923 }
1924
1925 return (WALK_NEXT);
1926 }
1927
1928 /*
1929 * The space available for the path corresponding to the locked vnode depends
1930 * on whether we are printing 32- or 64-bit addresses.
1931 */
1932 #ifdef _LP64
1933 #define LM_VNPATHLEN 20
1934 #else
1935 #define LM_VNPATHLEN 30
1936 #endif
1937
1938 typedef struct mdb_lminfo_proc {
1939 struct {
1940 char u_comm[MAXCOMLEN + 1];
1941 } p_user;
1942 } mdb_lminfo_proc_t;
1943
1944 /*ARGSUSED*/
1945 static int
1946 lminfo_cb(uintptr_t addr, const void *data, void *priv)
1947 {
1948 const lock_descriptor_t *ld = data;
1949 char buf[LM_VNPATHLEN];
1950 mdb_lminfo_proc_t p;
1951 uintptr_t paddr = 0;
1952
1953 if (ld->l_flock.l_pid != 0)
1954 paddr = mdb_pid2proc(ld->l_flock.l_pid, NULL);
1955
1956 if (paddr != 0)
1957 mdb_ctf_vread(&p, "proc_t", "mdb_lminfo_proc_t", paddr, 0);
1958
1959 mdb_printf("%-?p %2s %04x %6d %-16s %-?p ",
1960 addr, ld->l_type == F_RDLCK ? "RD" :
1961 ld->l_type == F_WRLCK ? "WR" : "??",
1962 ld->l_state, ld->l_flock.l_pid,
1963 ld->l_flock.l_pid == 0 ? "<kernel>" :
1964 paddr == 0 ? "<defunct>" : p.p_user.u_comm, ld->l_vnode);
1965
1966 mdb_vnode2path((uintptr_t)ld->l_vnode, buf,
1967 sizeof (buf));
1968 mdb_printf("%s\n", buf);
1969
1970 return (WALK_NEXT);
1971 }
1972
1973 /*ARGSUSED*/
1974 int
1975 lminfo(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
1976 {
1977 if (DCMD_HDRSPEC(flags))
1978 mdb_printf("%<u>%-?s %2s %4s %6s %-16s %-?s %s%</u>\n",
1979 "ADDR", "TP", "FLAG", "PID", "COMM", "VNODE", "PATH");
1980
1981 return (mdb_pwalk("lock_graph", lminfo_cb, NULL, (uintptr_t)NULL));
1982 }
1983
1984 /*ARGSUSED*/
1985 int
1986 whereopen_fwalk(uintptr_t addr, struct file *f, uintptr_t *target)
1987 {
1988 if ((uintptr_t)f->f_vnode == *target) {
1989 mdb_printf("file %p\n", addr);
1990 *target = (uintptr_t)NULL;
1991 }
1992
1993 return (WALK_NEXT);
1994 }
1995
1996 /*ARGSUSED*/
1997 int
1998 whereopen_pwalk(uintptr_t addr, void *ignored, uintptr_t *target)
1999 {
2000 uintptr_t t = *target;
2001
2002 if (mdb_pwalk("file", (mdb_walk_cb_t)whereopen_fwalk, &t, addr) == -1) {
2003 mdb_warn("couldn't file walk proc %p", addr);
2004 return (WALK_ERR);
2005 }
2006
2007 if (t == (uintptr_t)NULL)
2008 mdb_printf("%p\n", addr);
2009
2010 return (WALK_NEXT);
2011 }
2012
2013 /*ARGSUSED*/
2014 int
2015 whereopen(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
2016 {
2017 uintptr_t target = addr;
2018
2019 if (!(flags & DCMD_ADDRSPEC) || addr == (uintptr_t)NULL)
2020 return (DCMD_USAGE);
2021
2022 if (mdb_walk("proc", (mdb_walk_cb_t)whereopen_pwalk, &target) == -1) {
2023 mdb_warn("can't proc walk");
2024 return (DCMD_ERR);
2025 }
2026
2027 return (DCMD_OK);
2028 }
2029
2030 typedef struct datafmt {
2031 char *hdr1;
2032 char *hdr2;
2033 char *dashes;
2034 char *fmt;
2035 } datafmt_t;
2036
2037 static datafmt_t kmemfmt[] = {
2038 { "cache ", "name ",
2039 "-------------------------", "%-25s " },
2040 { " buf", " size", "------", "%6u " },
2041 { " buf", "in use", "------", "%6u " },
2042 { " buf", " total", "------", "%6u " },
2043 { " memory", " in use", "----------", "%10lu%c " },
2044 { " alloc", " succeed", "---------", "%9u " },
2045 { "alloc", " fail", "-----", "%5u " },
2046 { NULL, NULL, NULL, NULL }
2047 };
2048
2049 static datafmt_t vmemfmt[] = {
2050 { "vmem ", "name ",
2051 "-------------------------", "%-*s " },
2052 { " memory", " in use", "----------", "%9llu%c " },
2053 { " memory", " total", "-----------", "%10llu%c " },
2054 { " memory", " import", "----------", "%9llu%c " },
2055 { " alloc", " succeed", "---------", "%9llu " },
2056 { "alloc", " fail", "-----", "%5llu " },
2057 { NULL, NULL, NULL, NULL }
2058 };
2059
2060 /*ARGSUSED*/
2061 static int
2062 kmastat_cpu_avail(uintptr_t addr, const kmem_cpu_cache_t *ccp, int *avail)
2063 {
2064 short rounds, prounds;
2065
2066 if (KMEM_DUMPCC(ccp)) {
2067 rounds = ccp->cc_dump_rounds;
2068 prounds = ccp->cc_dump_prounds;
2069 } else {
2070 rounds = ccp->cc_rounds;
2071 prounds = ccp->cc_prounds;
2072 }
2073 if (rounds > 0)
2074 *avail += rounds;
2075 if (prounds > 0)
2076 *avail += prounds;
2077
2078 return (WALK_NEXT);
2079 }
2080
2081 /*ARGSUSED*/
2082 static int
2083 kmastat_cpu_alloc(uintptr_t addr, const kmem_cpu_cache_t *ccp, int *alloc)
2084 {
2085 *alloc += ccp->cc_alloc;
2086
2087 return (WALK_NEXT);
2088 }
2089
2090 /*ARGSUSED*/
2091 static int
2092 kmastat_slab_avail(uintptr_t addr, const kmem_slab_t *sp, int *avail)
2093 {
2094 *avail += sp->slab_chunks - sp->slab_refcnt;
2095
2096 return (WALK_NEXT);
2097 }
2098
2099 typedef struct kmastat_vmem {
2100 uintptr_t kv_addr;
2101 struct kmastat_vmem *kv_next;
2102 size_t kv_meminuse;
2103 int kv_alloc;
2104 int kv_fail;
2105 } kmastat_vmem_t;
2106
2107 typedef struct kmastat_args {
2108 kmastat_vmem_t **ka_kvpp;
2109 uint_t ka_shift;
2110 } kmastat_args_t;
2111
2112 static int
2113 kmastat_cache(uintptr_t addr, const kmem_cache_t *cp, kmastat_args_t *kap)
2114 {
2115 kmastat_vmem_t **kvpp = kap->ka_kvpp;
2116 kmastat_vmem_t *kv;
2117 datafmt_t *dfp = kmemfmt;
2118 int magsize;
2119
2120 int avail, alloc, total;
2121 size_t meminuse = (cp->cache_slab_create - cp->cache_slab_destroy) *
2122 cp->cache_slabsize;
2123
2124 mdb_walk_cb_t cpu_avail = (mdb_walk_cb_t)kmastat_cpu_avail;
2125 mdb_walk_cb_t cpu_alloc = (mdb_walk_cb_t)kmastat_cpu_alloc;
2126 mdb_walk_cb_t slab_avail = (mdb_walk_cb_t)kmastat_slab_avail;
2127
2128 magsize = kmem_get_magsize(cp);
2129
2130 alloc = cp->cache_slab_alloc + cp->cache_full.ml_alloc;
2131 avail = cp->cache_full.ml_total * magsize;
2132 total = cp->cache_buftotal;
2133
2134 (void) mdb_pwalk("kmem_cpu_cache", cpu_alloc, &alloc, addr);
2135 (void) mdb_pwalk("kmem_cpu_cache", cpu_avail, &avail, addr);
2136 (void) mdb_pwalk("kmem_slab_partial", slab_avail, &avail, addr);
2137
2138 for (kv = *kvpp; kv != NULL; kv = kv->kv_next) {
2139 if (kv->kv_addr == (uintptr_t)cp->cache_arena)
2140 goto out;
2141 }
2142
2143 kv = mdb_zalloc(sizeof (kmastat_vmem_t), UM_SLEEP | UM_GC);
2144 kv->kv_next = *kvpp;
2145 kv->kv_addr = (uintptr_t)cp->cache_arena;
2146 *kvpp = kv;
2147 out:
2148 kv->kv_meminuse += meminuse;
2149 kv->kv_alloc += alloc;
2150 kv->kv_fail += cp->cache_alloc_fail;
2151
2152 mdb_printf((dfp++)->fmt, cp->cache_name);
2153 mdb_printf((dfp++)->fmt, cp->cache_bufsize);
2154 mdb_printf((dfp++)->fmt, total - avail);
2155 mdb_printf((dfp++)->fmt, total);
2156 mdb_printf((dfp++)->fmt, meminuse >> kap->ka_shift,
2157 kap->ka_shift == GIGS ? 'G' : kap->ka_shift == MEGS ? 'M' :
2158 kap->ka_shift == KILOS ? 'K' : 'B');
2159 mdb_printf((dfp++)->fmt, alloc);
2160 mdb_printf((dfp++)->fmt, cp->cache_alloc_fail);
2161 mdb_printf("\n");
2162
2163 return (WALK_NEXT);
2164 }
2165
2166 static int
2167 kmastat_vmem_totals(uintptr_t addr, const vmem_t *v, kmastat_args_t *kap)
2168 {
2169 kmastat_vmem_t *kv = *kap->ka_kvpp;
2170 size_t len;
2171
2172 while (kv != NULL && kv->kv_addr != addr)
2173 kv = kv->kv_next;
2174
2175 if (kv == NULL || kv->kv_alloc == 0)
2176 return (WALK_NEXT);
2177
2178 len = MIN(17, strlen(v->vm_name));
2179
2180 mdb_printf("Total [%s]%*s %6s %6s %6s %10lu%c %9u %5u\n", v->vm_name,
2181 17 - len, "", "", "", "",
2182 kv->kv_meminuse >> kap->ka_shift,
2183 kap->ka_shift == GIGS ? 'G' : kap->ka_shift == MEGS ? 'M' :
2184 kap->ka_shift == KILOS ? 'K' : 'B', kv->kv_alloc, kv->kv_fail);
2185
2186 return (WALK_NEXT);
2187 }
2188
2189 /*ARGSUSED*/
2190 static int
2191 kmastat_vmem(uintptr_t addr, const vmem_t *v, const uint_t *shiftp)
2192 {
2193 datafmt_t *dfp = vmemfmt;
2194 const vmem_kstat_t *vkp = &v->vm_kstat;
2195 uintptr_t paddr;
2196 vmem_t parent;
2197 int ident = 0;
2198
2199 for (paddr = (uintptr_t)v->vm_source; paddr != (uintptr_t)NULL;
2200 ident += 4) {
2201 if (mdb_vread(&parent, sizeof (parent), paddr) == -1) {
2202 mdb_warn("couldn't trace %p's ancestry", addr);
2203 ident = 0;
2204 break;
2205 }
2206 paddr = (uintptr_t)parent.vm_source;
2207 }
2208
2209 mdb_printf("%*s", ident, "");
2210 mdb_printf((dfp++)->fmt, 25 - ident, v->vm_name);
2211 mdb_printf((dfp++)->fmt, vkp->vk_mem_inuse.value.ui64 >> *shiftp,
2212 *shiftp == GIGS ? 'G' : *shiftp == MEGS ? 'M' :
2213 *shiftp == KILOS ? 'K' : 'B');
2214 mdb_printf((dfp++)->fmt, vkp->vk_mem_total.value.ui64 >> *shiftp,
2215 *shiftp == GIGS ? 'G' : *shiftp == MEGS ? 'M' :
2216 *shiftp == KILOS ? 'K' : 'B');
2217 mdb_printf((dfp++)->fmt, vkp->vk_mem_import.value.ui64 >> *shiftp,
2218 *shiftp == GIGS ? 'G' : *shiftp == MEGS ? 'M' :
2219 *shiftp == KILOS ? 'K' : 'B');
2220 mdb_printf((dfp++)->fmt, vkp->vk_alloc.value.ui64);
2221 mdb_printf((dfp++)->fmt, vkp->vk_fail.value.ui64);
2222
2223 mdb_printf("\n");
2224
2225 return (WALK_NEXT);
2226 }
2227
2228 /*ARGSUSED*/
2229 int
2230 kmastat(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
2231 {
2232 kmastat_vmem_t *kv = NULL;
2233 datafmt_t *dfp;
2234 kmastat_args_t ka;
2235
2236 ka.ka_shift = 0;
2237 if (mdb_getopts(argc, argv,
2238 'k', MDB_OPT_SETBITS, KILOS, &ka.ka_shift,
2239 'm', MDB_OPT_SETBITS, MEGS, &ka.ka_shift,
2240 'g', MDB_OPT_SETBITS, GIGS, &ka.ka_shift, NULL) != argc)
2241 return (DCMD_USAGE);
2242
2243 for (dfp = kmemfmt; dfp->hdr1 != NULL; dfp++)
2244 mdb_printf("%s ", dfp->hdr1);
2245 mdb_printf("\n");
2246
2247 for (dfp = kmemfmt; dfp->hdr1 != NULL; dfp++)
2248 mdb_printf("%s ", dfp->hdr2);
2249 mdb_printf("\n");
2250
2251 for (dfp = kmemfmt; dfp->hdr1 != NULL; dfp++)
2252 mdb_printf("%s ", dfp->dashes);
2253 mdb_printf("\n");
2254
2255 ka.ka_kvpp = &kv;
2256 if (mdb_walk("kmem_cache", (mdb_walk_cb_t)kmastat_cache, &ka) == -1) {
2257 mdb_warn("can't walk 'kmem_cache'");
2258 return (DCMD_ERR);
2259 }
2260
2261 for (dfp = kmemfmt; dfp->hdr1 != NULL; dfp++)
2262 mdb_printf("%s ", dfp->dashes);
2263 mdb_printf("\n");
2264
2265 if (mdb_walk("vmem", (mdb_walk_cb_t)kmastat_vmem_totals, &ka) == -1) {
2266 mdb_warn("can't walk 'vmem'");
2267 return (DCMD_ERR);
2268 }
2269
2270 for (dfp = kmemfmt; dfp->hdr1 != NULL; dfp++)
2271 mdb_printf("%s ", dfp->dashes);
2272 mdb_printf("\n");
2273
2274 mdb_printf("\n");
2275
2276 for (dfp = vmemfmt; dfp->hdr1 != NULL; dfp++)
2277 mdb_printf("%s ", dfp->hdr1);
2278 mdb_printf("\n");
2279
2280 for (dfp = vmemfmt; dfp->hdr1 != NULL; dfp++)
2281 mdb_printf("%s ", dfp->hdr2);
2282 mdb_printf("\n");
2283
2284 for (dfp = vmemfmt; dfp->hdr1 != NULL; dfp++)
2285 mdb_printf("%s ", dfp->dashes);
2286 mdb_printf("\n");
2287
2288 if (mdb_walk("vmem", (mdb_walk_cb_t)kmastat_vmem, &ka.ka_shift) == -1) {
2289 mdb_warn("can't walk 'vmem'");
2290 return (DCMD_ERR);
2291 }
2292
2293 for (dfp = vmemfmt; dfp->hdr1 != NULL; dfp++)
2294 mdb_printf("%s ", dfp->dashes);
2295 mdb_printf("\n");
2296 return (DCMD_OK);
2297 }
2298
2299 /*
2300 * Our ::kgrep callback scans the entire kernel VA space (kas). kas is made
2301 * up of a set of 'struct seg's. We could just scan each seg en masse, but
2302 * unfortunately, a few of the segs are both large and sparse, so we could
2303 * spend quite a bit of time scanning VAs which have no backing pages.
2304 *
2305 * So for the few very sparse segs, we skip the segment itself, and scan
2306 * the allocated vmem_segs in the vmem arena which manages that part of kas.
2307 * Currently, we do this for:
2308 *
2309 * SEG VMEM ARENA
2310 * kvseg heap_arena
2311 * kvseg32 heap32_arena
2312 * kvseg_core heap_core_arena
2313 *
2314 * In addition, we skip the segkpm segment in its entirety, since it is very
2315 * sparse, and contains no new kernel data.
2316 */
2317 typedef struct kgrep_walk_data {
2318 kgrep_cb_func *kg_cb;
2319 void *kg_cbdata;
2320 uintptr_t kg_kvseg;
2321 uintptr_t kg_kvseg32;
2322 uintptr_t kg_kvseg_core;
2323 uintptr_t kg_segkpm;
2324 uintptr_t kg_heap_lp_base;
2325 uintptr_t kg_heap_lp_end;
2326 } kgrep_walk_data_t;
2327
2328 static int
2329 kgrep_walk_seg(uintptr_t addr, const struct seg *seg, kgrep_walk_data_t *kg)
2330 {
2331 uintptr_t base = (uintptr_t)seg->s_base;
2332
2333 if (addr == kg->kg_kvseg || addr == kg->kg_kvseg32 ||
2334 addr == kg->kg_kvseg_core)
2335 return (WALK_NEXT);
2336
2337 if ((uintptr_t)seg->s_ops == kg->kg_segkpm)
2338 return (WALK_NEXT);
2339
2340 return (kg->kg_cb(base, base + seg->s_size, kg->kg_cbdata));
2341 }
2342
2343 /*ARGSUSED*/
2344 static int
2345 kgrep_walk_vseg(uintptr_t addr, const vmem_seg_t *seg, kgrep_walk_data_t *kg)
2346 {
2347 /*
2348 * skip large page heap address range - it is scanned by walking
2349 * allocated vmem_segs in the heap_lp_arena
2350 */
2351 if (seg->vs_start == kg->kg_heap_lp_base &&
2352 seg->vs_end == kg->kg_heap_lp_end)
2353 return (WALK_NEXT);
2354
2355 return (kg->kg_cb(seg->vs_start, seg->vs_end, kg->kg_cbdata));
2356 }
2357
2358 /*ARGSUSED*/
2359 static int
2360 kgrep_xwalk_vseg(uintptr_t addr, const vmem_seg_t *seg, kgrep_walk_data_t *kg)
2361 {
2362 return (kg->kg_cb(seg->vs_start, seg->vs_end, kg->kg_cbdata));
2363 }
2364
2365 static int
2366 kgrep_walk_vmem(uintptr_t addr, const vmem_t *vmem, kgrep_walk_data_t *kg)
2367 {
2368 mdb_walk_cb_t walk_vseg = (mdb_walk_cb_t)kgrep_walk_vseg;
2369
2370 if (strcmp(vmem->vm_name, "heap") != 0 &&
2371 strcmp(vmem->vm_name, "heap32") != 0 &&
2372 strcmp(vmem->vm_name, "heap_core") != 0 &&
2373 strcmp(vmem->vm_name, "heap_lp") != 0)
2374 return (WALK_NEXT);
2375
2376 if (strcmp(vmem->vm_name, "heap_lp") == 0)
2377 walk_vseg = (mdb_walk_cb_t)kgrep_xwalk_vseg;
2378
2379 if (mdb_pwalk("vmem_alloc", walk_vseg, kg, addr) == -1) {
2380 mdb_warn("couldn't walk vmem_alloc for vmem %p", addr);
2381 return (WALK_ERR);
2382 }
2383
2384 return (WALK_NEXT);
2385 }
2386
2387 int
2388 kgrep_subr(kgrep_cb_func *cb, void *cbdata)
2389 {
2390 GElf_Sym kas, kvseg, kvseg32, kvseg_core, segkpm;
2391 kgrep_walk_data_t kg;
2392
2393 if (mdb_get_state() == MDB_STATE_RUNNING) {
2394 mdb_warn("kgrep can only be run on a system "
2395 "dump or under kmdb; see dumpadm(8)\n");
2396 return (DCMD_ERR);
2397 }
2398
2399 if (mdb_lookup_by_name("kas", &kas) == -1) {
2400 mdb_warn("failed to locate 'kas' symbol\n");
2401 return (DCMD_ERR);
2402 }
2403
2404 if (mdb_lookup_by_name("kvseg", &kvseg) == -1) {
2405 mdb_warn("failed to locate 'kvseg' symbol\n");
2406 return (DCMD_ERR);
2407 }
2408
2409 if (mdb_lookup_by_name("kvseg32", &kvseg32) == -1) {
2410 mdb_warn("failed to locate 'kvseg32' symbol\n");
2411 return (DCMD_ERR);
2412 }
2413
2414 if (mdb_lookup_by_name("kvseg_core", &kvseg_core) == -1) {
2415 mdb_warn("failed to locate 'kvseg_core' symbol\n");
2416 return (DCMD_ERR);
2417 }
2418
2419 if (mdb_lookup_by_name("segkpm_ops", &segkpm) == -1) {
2420 mdb_warn("failed to locate 'segkpm_ops' symbol\n");
2421 return (DCMD_ERR);
2422 }
2423
2424 if (mdb_readvar(&kg.kg_heap_lp_base, "heap_lp_base") == -1) {
2425 mdb_warn("failed to read 'heap_lp_base'\n");
2426 return (DCMD_ERR);
2427 }
2428
2429 if (mdb_readvar(&kg.kg_heap_lp_end, "heap_lp_end") == -1) {
2430 mdb_warn("failed to read 'heap_lp_end'\n");
2431 return (DCMD_ERR);
2432 }
2433
2434 kg.kg_cb = cb;
2435 kg.kg_cbdata = cbdata;
2436 kg.kg_kvseg = (uintptr_t)kvseg.st_value;
2437 kg.kg_kvseg32 = (uintptr_t)kvseg32.st_value;
2438 kg.kg_kvseg_core = (uintptr_t)kvseg_core.st_value;
2439 kg.kg_segkpm = (uintptr_t)segkpm.st_value;
2440
2441 if (mdb_pwalk("seg", (mdb_walk_cb_t)kgrep_walk_seg,
2442 &kg, kas.st_value) == -1) {
2443 mdb_warn("failed to walk kas segments");
2444 return (DCMD_ERR);
2445 }
2446
2447 if (mdb_walk("vmem", (mdb_walk_cb_t)kgrep_walk_vmem, &kg) == -1) {
2448 mdb_warn("failed to walk heap/heap32 vmem arenas");
2449 return (DCMD_ERR);
2450 }
2451
2452 return (DCMD_OK);
2453 }
2454
2455 size_t
2456 kgrep_subr_pagesize(void)
2457 {
2458 return (PAGESIZE);
2459 }
2460
2461 typedef struct file_walk_data {
2462 struct uf_entry *fw_flist;
2463 int fw_flistsz;
2464 int fw_ndx;
2465 int fw_nofiles;
2466 } file_walk_data_t;
2467
2468 typedef struct mdb_file_proc {
2469 struct {
2470 struct {
2471 int fi_nfiles;
2472 uf_entry_t *volatile fi_list;
2473 } u_finfo;
2474 } p_user;
2475 } mdb_file_proc_t;
2476
2477 int
2478 file_walk_init(mdb_walk_state_t *wsp)
2479 {
2480 file_walk_data_t *fw;
2481 mdb_file_proc_t p;
2482
2483 if (wsp->walk_addr == (uintptr_t)NULL) {
2484 mdb_warn("file walk doesn't support global walks\n");
2485 return (WALK_ERR);
2486 }
2487
2488 fw = mdb_alloc(sizeof (file_walk_data_t), UM_SLEEP);
2489
2490 if (mdb_ctf_vread(&p, "proc_t", "mdb_file_proc_t",
2491 wsp->walk_addr, 0) == -1) {
2492 mdb_free(fw, sizeof (file_walk_data_t));
2493 mdb_warn("failed to read proc structure at %p", wsp->walk_addr);
2494 return (WALK_ERR);
2495 }
2496
2497 if (p.p_user.u_finfo.fi_nfiles == 0) {
2498 mdb_free(fw, sizeof (file_walk_data_t));
2499 return (WALK_DONE);
2500 }
2501
2502 fw->fw_nofiles = p.p_user.u_finfo.fi_nfiles;
2503 fw->fw_flistsz = sizeof (struct uf_entry) * fw->fw_nofiles;
2504 fw->fw_flist = mdb_alloc(fw->fw_flistsz, UM_SLEEP);
2505
2506 if (mdb_vread(fw->fw_flist, fw->fw_flistsz,
2507 (uintptr_t)p.p_user.u_finfo.fi_list) == -1) {
2508 mdb_warn("failed to read file array at %p",
2509 p.p_user.u_finfo.fi_list);
2510 mdb_free(fw->fw_flist, fw->fw_flistsz);
2511 mdb_free(fw, sizeof (file_walk_data_t));
2512 return (WALK_ERR);
2513 }
2514
2515 fw->fw_ndx = 0;
2516 wsp->walk_data = fw;
2517
2518 return (WALK_NEXT);
2519 }
2520
2521 int
2522 file_walk_step(mdb_walk_state_t *wsp)
2523 {
2524 file_walk_data_t *fw = (file_walk_data_t *)wsp->walk_data;
2525 struct file file;
2526 uintptr_t fp;
2527
2528 again:
2529 if (fw->fw_ndx == fw->fw_nofiles)
2530 return (WALK_DONE);
2531
2532 if ((fp = (uintptr_t)fw->fw_flist[fw->fw_ndx++].uf_file) ==
2533 (uintptr_t)NULL)
2534 goto again;
2535
2536 (void) mdb_vread(&file, sizeof (file), (uintptr_t)fp);
2537 return (wsp->walk_callback(fp, &file, wsp->walk_cbdata));
2538 }
2539
2540 int
2541 allfile_walk_step(mdb_walk_state_t *wsp)
2542 {
2543 file_walk_data_t *fw = (file_walk_data_t *)wsp->walk_data;
2544 struct file file;
2545 uintptr_t fp;
2546
2547 if (fw->fw_ndx == fw->fw_nofiles)
2548 return (WALK_DONE);
2549
2550 if ((fp = (uintptr_t)fw->fw_flist[fw->fw_ndx++].uf_file) !=
2551 (uintptr_t)NULL)
2552 (void) mdb_vread(&file, sizeof (file), (uintptr_t)fp);
2553 else
2554 bzero(&file, sizeof (file));
2555
2556 return (wsp->walk_callback(fp, &file, wsp->walk_cbdata));
2557 }
2558
2559 void
2560 file_walk_fini(mdb_walk_state_t *wsp)
2561 {
2562 file_walk_data_t *fw = (file_walk_data_t *)wsp->walk_data;
2563
2564 mdb_free(fw->fw_flist, fw->fw_flistsz);
2565 mdb_free(fw, sizeof (file_walk_data_t));
2566 }
2567
2568 int
2569 port_walk_init(mdb_walk_state_t *wsp)
2570 {
2571 if (wsp->walk_addr == (uintptr_t)NULL) {
2572 mdb_warn("port walk doesn't support global walks\n");
2573 return (WALK_ERR);
2574 }
2575
2576 if (mdb_layered_walk("file", wsp) == -1) {
2577 mdb_warn("couldn't walk 'file'");
2578 return (WALK_ERR);
2579 }
2580 return (WALK_NEXT);
2581 }
2582
2583 int
2584 port_walk_step(mdb_walk_state_t *wsp)
2585 {
2586 struct vnode vn;
2587 uintptr_t vp;
2588 uintptr_t pp;
2589 struct port port;
2590
2591 vp = (uintptr_t)((struct file *)wsp->walk_layer)->f_vnode;
2592 if (mdb_vread(&vn, sizeof (vn), vp) == -1) {
2593 mdb_warn("failed to read vnode_t at %p", vp);
2594 return (WALK_ERR);
2595 }
2596 if (vn.v_type != VPORT)
2597 return (WALK_NEXT);
2598
2599 pp = (uintptr_t)vn.v_data;
2600 if (mdb_vread(&port, sizeof (port), pp) == -1) {
2601 mdb_warn("failed to read port_t at %p", pp);
2602 return (WALK_ERR);
2603 }
2604 return (wsp->walk_callback(pp, &port, wsp->walk_cbdata));
2605 }
2606
2607 typedef struct portev_walk_data {
2608 list_node_t *pev_node;
2609 list_node_t *pev_last;
2610 size_t pev_offset;
2611 } portev_walk_data_t;
2612
2613 int
2614 portev_walk_init(mdb_walk_state_t *wsp)
2615 {
2616 portev_walk_data_t *pevd;
2617 struct port port;
2618 struct vnode vn;
2619 struct list *list;
2620 uintptr_t vp;
2621
2622 if (wsp->walk_addr == (uintptr_t)NULL) {
2623 mdb_warn("portev walk doesn't support global walks\n");
2624 return (WALK_ERR);
2625 }
2626
2627 pevd = mdb_alloc(sizeof (portev_walk_data_t), UM_SLEEP);
2628
2629 if (mdb_vread(&port, sizeof (port), wsp->walk_addr) == -1) {
2630 mdb_free(pevd, sizeof (portev_walk_data_t));
2631 mdb_warn("failed to read port structure at %p", wsp->walk_addr);
2632 return (WALK_ERR);
2633 }
2634
2635 vp = (uintptr_t)port.port_vnode;
2636 if (mdb_vread(&vn, sizeof (vn), vp) == -1) {
2637 mdb_free(pevd, sizeof (portev_walk_data_t));
2638 mdb_warn("failed to read vnode_t at %p", vp);
2639 return (WALK_ERR);
2640 }
2641
2642 if (vn.v_type != VPORT) {
2643 mdb_free(pevd, sizeof (portev_walk_data_t));
2644 mdb_warn("input address (%p) does not point to an event port",
2645 wsp->walk_addr);
2646 return (WALK_ERR);
2647 }
2648
2649 if (port.port_queue.portq_nent == 0) {
2650 mdb_free(pevd, sizeof (portev_walk_data_t));
2651 return (WALK_DONE);
2652 }
2653 list = &port.port_queue.portq_list;
2654 pevd->pev_offset = list->list_offset;
2655 pevd->pev_last = list->list_head.list_prev;
2656 pevd->pev_node = list->list_head.list_next;
2657 wsp->walk_data = pevd;
2658 return (WALK_NEXT);
2659 }
2660
2661 int
2662 portev_walk_step(mdb_walk_state_t *wsp)
2663 {
2664 portev_walk_data_t *pevd;
2665 struct port_kevent ev;
2666 uintptr_t evp;
2667
2668 pevd = (portev_walk_data_t *)wsp->walk_data;
2669
2670 if (pevd->pev_last == NULL)
2671 return (WALK_DONE);
2672 if (pevd->pev_node == pevd->pev_last)
2673 pevd->pev_last = NULL; /* last round */
2674
2675 evp = ((uintptr_t)(((char *)pevd->pev_node) - pevd->pev_offset));
2676 if (mdb_vread(&ev, sizeof (ev), evp) == -1) {
2677 mdb_warn("failed to read port_kevent at %p", evp);
2678 return (WALK_DONE);
2679 }
2680 pevd->pev_node = ev.portkev_node.list_next;
2681 return (wsp->walk_callback(evp, &ev, wsp->walk_cbdata));
2682 }
2683
2684 void
2685 portev_walk_fini(mdb_walk_state_t *wsp)
2686 {
2687 portev_walk_data_t *pevd = (portev_walk_data_t *)wsp->walk_data;
2688
2689 if (pevd != NULL)
2690 mdb_free(pevd, sizeof (portev_walk_data_t));
2691 }
2692
2693 typedef struct proc_walk_data {
2694 uintptr_t *pw_stack;
2695 int pw_depth;
2696 int pw_max;
2697 } proc_walk_data_t;
2698
2699 int
2700 proc_walk_init(mdb_walk_state_t *wsp)
2701 {
2702 GElf_Sym sym;
2703 proc_walk_data_t *pw;
2704
2705 if (wsp->walk_addr == (uintptr_t)NULL) {
2706 if (mdb_lookup_by_name("p0", &sym) == -1) {
2707 mdb_warn("failed to read 'practive'");
2708 return (WALK_ERR);
2709 }
2710 wsp->walk_addr = (uintptr_t)sym.st_value;
2711 }
2712
2713 pw = mdb_zalloc(sizeof (proc_walk_data_t), UM_SLEEP);
2714
2715 if (mdb_readvar(&pw->pw_max, "nproc") == -1) {
2716 mdb_warn("failed to read 'nproc'");
2717 mdb_free(pw, sizeof (pw));
2718 return (WALK_ERR);
2719 }
2720
2721 pw->pw_stack = mdb_alloc(pw->pw_max * sizeof (uintptr_t), UM_SLEEP);
2722 wsp->walk_data = pw;
2723
2724 return (WALK_NEXT);
2725 }
2726
2727 typedef struct mdb_walk_proc {
2728 struct proc *p_child;
2729 struct proc *p_sibling;
2730 } mdb_walk_proc_t;
2731
2732 int
2733 proc_walk_step(mdb_walk_state_t *wsp)
2734 {
2735 proc_walk_data_t *pw = wsp->walk_data;
2736 uintptr_t addr = wsp->walk_addr;
2737 uintptr_t cld, sib;
2738 int status;
2739 mdb_walk_proc_t pr;
2740
2741 if (mdb_ctf_vread(&pr, "proc_t", "mdb_walk_proc_t",
2742 addr, 0) == -1) {
2743 mdb_warn("failed to read proc at %p", addr);
2744 return (WALK_DONE);
2745 }
2746
2747 cld = (uintptr_t)pr.p_child;
2748 sib = (uintptr_t)pr.p_sibling;
2749
2750 if (pw->pw_depth > 0 && addr == pw->pw_stack[pw->pw_depth - 1]) {
2751 pw->pw_depth--;
2752 goto sib;
2753 }
2754
2755 /*
2756 * Always pass NULL as the local copy pointer. Consumers
2757 * should use mdb_ctf_vread() to read their own minimal
2758 * version of proc_t. Thus minimizing the chance of breakage
2759 * with older crash dumps.
2760 */
2761 status = wsp->walk_callback(addr, NULL, wsp->walk_cbdata);
2762
2763 if (status != WALK_NEXT)
2764 return (status);
2765
2766 if ((wsp->walk_addr = cld) != (uintptr_t)NULL) {
2767 if (mdb_ctf_vread(&pr, "proc_t", "mdb_walk_proc_t",
2768 cld, 0) == -1) {
2769 mdb_warn("proc %p has invalid p_child %p; skipping\n",
2770 addr, cld);
2771 goto sib;
2772 }
2773
2774 pw->pw_stack[pw->pw_depth++] = addr;
2775
2776 if (pw->pw_depth == pw->pw_max) {
2777 mdb_warn("depth %d exceeds max depth; try again\n",
2778 pw->pw_depth);
2779 return (WALK_DONE);
2780 }
2781 return (WALK_NEXT);
2782 }
2783
2784 sib:
2785 /*
2786 * We know that p0 has no siblings, and if another starting proc
2787 * was given, we don't want to walk its siblings anyway.
2788 */
2789 if (pw->pw_depth == 0)
2790 return (WALK_DONE);
2791
2792 if (sib != (uintptr_t)NULL &&
2793 mdb_ctf_vread(&pr, "proc_t", "mdb_walk_proc_t", sib, 0) == -1) {
2794 mdb_warn("proc %p has invalid p_sibling %p; skipping\n",
2795 addr, sib);
2796 sib = (uintptr_t)NULL;
2797 }
2798
2799 if ((wsp->walk_addr = sib) == (uintptr_t)NULL) {
2800 if (pw->pw_depth > 0) {
2801 wsp->walk_addr = pw->pw_stack[pw->pw_depth - 1];
2802 return (WALK_NEXT);
2803 }
2804 return (WALK_DONE);
2805 }
2806
2807 return (WALK_NEXT);
2808 }
2809
2810 void
2811 proc_walk_fini(mdb_walk_state_t *wsp)
2812 {
2813 proc_walk_data_t *pw = wsp->walk_data;
2814
2815 mdb_free(pw->pw_stack, pw->pw_max * sizeof (uintptr_t));
2816 mdb_free(pw, sizeof (proc_walk_data_t));
2817 }
2818
2819 int
2820 task_walk_init(mdb_walk_state_t *wsp)
2821 {
2822 task_t task;
2823
2824 if (mdb_vread(&task, sizeof (task_t), wsp->walk_addr) == -1) {
2825 mdb_warn("failed to read task at %p", wsp->walk_addr);
2826 return (WALK_ERR);
2827 }
2828 wsp->walk_addr = (uintptr_t)task.tk_memb_list;
2829 wsp->walk_data = task.tk_memb_list;
2830 return (WALK_NEXT);
2831 }
2832
2833 typedef struct mdb_task_proc {
2834 struct proc *p_tasknext;
2835 } mdb_task_proc_t;
2836
2837 int
2838 task_walk_step(mdb_walk_state_t *wsp)
2839 {
2840 mdb_task_proc_t proc;
2841 int status;
2842
2843 if (mdb_ctf_vread(&proc, "proc_t", "mdb_task_proc_t",
2844 wsp->walk_addr, 0) == -1) {
2845 mdb_warn("failed to read proc at %p", wsp->walk_addr);
2846 return (WALK_DONE);
2847 }
2848
2849 status = wsp->walk_callback(wsp->walk_addr, NULL, wsp->walk_cbdata);
2850
2851 if (proc.p_tasknext == wsp->walk_data)
2852 return (WALK_DONE);
2853
2854 wsp->walk_addr = (uintptr_t)proc.p_tasknext;
2855 return (status);
2856 }
2857
2858 int
2859 project_walk_init(mdb_walk_state_t *wsp)
2860 {
2861 if (wsp->walk_addr == (uintptr_t)NULL) {
2862 if (mdb_readvar(&wsp->walk_addr, "proj0p") == -1) {
2863 mdb_warn("failed to read 'proj0p'");
2864 return (WALK_ERR);
2865 }
2866 }
2867 wsp->walk_data = (void *)wsp->walk_addr;
2868 return (WALK_NEXT);
2869 }
2870
2871 int
2872 project_walk_step(mdb_walk_state_t *wsp)
2873 {
2874 uintptr_t addr = wsp->walk_addr;
2875 kproject_t pj;
2876 int status;
2877
2878 if (mdb_vread(&pj, sizeof (kproject_t), addr) == -1) {
2879 mdb_warn("failed to read project at %p", addr);
2880 return (WALK_DONE);
2881 }
2882 status = wsp->walk_callback(addr, &pj, wsp->walk_cbdata);
2883 if (status != WALK_NEXT)
2884 return (status);
2885 wsp->walk_addr = (uintptr_t)pj.kpj_next;
2886 if ((void *)wsp->walk_addr == wsp->walk_data)
2887 return (WALK_DONE);
2888 return (WALK_NEXT);
2889 }
2890
2891 static int
2892 generic_walk_step(mdb_walk_state_t *wsp)
2893 {
2894 return (wsp->walk_callback(wsp->walk_addr, wsp->walk_layer,
2895 wsp->walk_cbdata));
2896 }
2897
2898 static int
2899 cpu_walk_cmp(const void *l, const void *r)
2900 {
2901 uintptr_t lhs = *((uintptr_t *)l);
2902 uintptr_t rhs = *((uintptr_t *)r);
2903 cpu_t lcpu, rcpu;
2904
2905 (void) mdb_vread(&lcpu, sizeof (lcpu), lhs);
2906 (void) mdb_vread(&rcpu, sizeof (rcpu), rhs);
2907
2908 if (lcpu.cpu_id < rcpu.cpu_id)
2909 return (-1);
2910
2911 if (lcpu.cpu_id > rcpu.cpu_id)
2912 return (1);
2913
2914 return (0);
2915 }
2916
2917 typedef struct cpu_walk {
2918 uintptr_t *cw_array;
2919 int cw_ndx;
2920 } cpu_walk_t;
2921
2922 int
2923 cpu_walk_init(mdb_walk_state_t *wsp)
2924 {
2925 cpu_walk_t *cw;
2926 int max_ncpus, i = 0;
2927 uintptr_t current, first;
2928 cpu_t cpu, panic_cpu;
2929 uintptr_t panicstr, addr;
2930 GElf_Sym sym;
2931
2932 cw = mdb_zalloc(sizeof (cpu_walk_t), UM_SLEEP | UM_GC);
2933
2934 if (mdb_readvar(&max_ncpus, "max_ncpus") == -1) {
2935 mdb_warn("failed to read 'max_ncpus'");
2936 return (WALK_ERR);
2937 }
2938
2939 if (mdb_readvar(&panicstr, "panicstr") == -1) {
2940 mdb_warn("failed to read 'panicstr'");
2941 return (WALK_ERR);
2942 }
2943
2944 if (panicstr != (uintptr_t)NULL) {
2945 if (mdb_lookup_by_name("panic_cpu", &sym) == -1) {
2946 mdb_warn("failed to find 'panic_cpu'");
2947 return (WALK_ERR);
2948 }
2949
2950 addr = (uintptr_t)sym.st_value;
2951
2952 if (mdb_vread(&panic_cpu, sizeof (cpu_t), addr) == -1) {
2953 mdb_warn("failed to read 'panic_cpu'");
2954 return (WALK_ERR);
2955 }
2956 }
2957
2958 /*
2959 * Unfortunately, there is no platform-independent way to walk
2960 * CPUs in ID order. We therefore loop through in cpu_next order,
2961 * building an array of CPU pointers which will subsequently be
2962 * sorted.
2963 */
2964 cw->cw_array =
2965 mdb_zalloc((max_ncpus + 1) * sizeof (uintptr_t), UM_SLEEP | UM_GC);
2966
2967 if (mdb_readvar(&first, "cpu_list") == -1) {
2968 mdb_warn("failed to read 'cpu_list'");
2969 return (WALK_ERR);
2970 }
2971
2972 current = first;
2973 do {
2974 if (mdb_vread(&cpu, sizeof (cpu), current) == -1) {
2975 mdb_warn("failed to read cpu at %p", current);
2976 return (WALK_ERR);
2977 }
2978
2979 if (panicstr != (uintptr_t)NULL &&
2980 panic_cpu.cpu_id == cpu.cpu_id) {
2981 cw->cw_array[i++] = addr;
2982 } else {
2983 cw->cw_array[i++] = current;
2984 }
2985 } while ((current = (uintptr_t)cpu.cpu_next) != first);
2986
2987 qsort(cw->cw_array, i, sizeof (uintptr_t), cpu_walk_cmp);
2988 wsp->walk_data = cw;
2989
2990 return (WALK_NEXT);
2991 }
2992
2993 int
2994 cpu_walk_step(mdb_walk_state_t *wsp)
2995 {
2996 cpu_walk_t *cw = wsp->walk_data;
2997 cpu_t cpu;
2998 uintptr_t addr = cw->cw_array[cw->cw_ndx++];
2999
3000 if (addr == (uintptr_t)NULL)
3001 return (WALK_DONE);
3002
3003 if (mdb_vread(&cpu, sizeof (cpu), addr) == -1) {
3004 mdb_warn("failed to read cpu at %p", addr);
3005 return (WALK_DONE);
3006 }
3007
3008 return (wsp->walk_callback(addr, &cpu, wsp->walk_cbdata));
3009 }
3010
3011 typedef struct cpuinfo_data {
3012 intptr_t cid_cpu;
3013 uintptr_t **cid_ithr;
3014 char cid_print_head;
3015 char cid_print_thr;
3016 char cid_print_ithr;
3017 char cid_print_flags;
3018 } cpuinfo_data_t;
3019
3020 int
3021 cpuinfo_walk_ithread(uintptr_t addr, const kthread_t *thr, cpuinfo_data_t *cid)
3022 {
3023 cpu_t c;
3024 int id;
3025 uint8_t pil;
3026
3027 if (!(thr->t_flag & T_INTR_THREAD) || thr->t_state == TS_FREE)
3028 return (WALK_NEXT);
3029
3030 if (thr->t_bound_cpu == NULL) {
3031 mdb_warn("thr %p is intr thread w/out a CPU\n", addr);
3032 return (WALK_NEXT);
3033 }
3034
3035 (void) mdb_vread(&c, sizeof (c), (uintptr_t)thr->t_bound_cpu);
3036
3037 if ((id = c.cpu_id) >= NCPU) {
3038 mdb_warn("CPU %p has id (%d) greater than NCPU (%d)\n",
3039 thr->t_bound_cpu, id, NCPU);
3040 return (WALK_NEXT);
3041 }
3042
3043 if ((pil = thr->t_pil) >= NINTR) {
3044 mdb_warn("thread %p has pil (%d) greater than %d\n",
3045 addr, pil, NINTR);
3046 return (WALK_NEXT);
3047 }
3048
3049 if (cid->cid_ithr[id][pil] != 0) {
3050 mdb_warn("CPU %d has multiple threads at pil %d (at least "
3051 "%p and %p)\n", id, pil, addr, cid->cid_ithr[id][pil]);
3052 return (WALK_NEXT);
3053 }
3054
3055 cid->cid_ithr[id][pil] = addr;
3056
3057 return (WALK_NEXT);
3058 }
3059
3060 #define CPUINFO_IDWIDTH 3
3061 #define CPUINFO_FLAGWIDTH 9
3062
3063 #ifdef _LP64
3064 #if defined(__amd64)
3065 #define CPUINFO_TWIDTH 16
3066 #define CPUINFO_CPUWIDTH 16
3067 #else
3068 #define CPUINFO_CPUWIDTH 11
3069 #define CPUINFO_TWIDTH 11
3070 #endif
3071 #else
3072 #define CPUINFO_CPUWIDTH 8
3073 #define CPUINFO_TWIDTH 8
3074 #endif
3075
3076 #define CPUINFO_THRDELT (CPUINFO_IDWIDTH + CPUINFO_CPUWIDTH + 9)
3077 #define CPUINFO_FLAGDELT (CPUINFO_IDWIDTH + CPUINFO_CPUWIDTH + 4)
3078 #define CPUINFO_ITHRDELT 4
3079
3080 #define CPUINFO_INDENT mdb_printf("%*s", CPUINFO_THRDELT, \
3081 flagline < nflaglines ? flagbuf[flagline++] : "")
3082
3083 typedef struct mdb_cpuinfo_proc {
3084 struct {
3085 char u_comm[MAXCOMLEN + 1];
3086 } p_user;
3087 } mdb_cpuinfo_proc_t;
3088
3089 int
3090 cpuinfo_walk_cpu(uintptr_t addr, const cpu_t *cpu, cpuinfo_data_t *cid)
3091 {
3092 kthread_t t;
3093 disp_t disp;
3094 mdb_cpuinfo_proc_t p;
3095 uintptr_t pinned;
3096 char **flagbuf;
3097 int nflaglines = 0, flagline = 0, bspl, rval = WALK_NEXT;
3098
3099 const char *flags[] = {
3100 "RUNNING", "READY", "QUIESCED", "EXISTS",
3101 "ENABLE", "OFFLINE", "POWEROFF", "FROZEN",
3102 "SPARE", "FAULTED", NULL
3103 };
3104
3105 if (cid->cid_cpu != -1) {
3106 if (addr != cid->cid_cpu && cpu->cpu_id != cid->cid_cpu)
3107 return (WALK_NEXT);
3108
3109 /*
3110 * Set cid_cpu to -1 to indicate that we found a matching CPU.
3111 */
3112 cid->cid_cpu = -1;
3113 rval = WALK_DONE;
3114 }
3115
3116 if (cid->cid_print_head) {
3117 mdb_printf("%3s %-*s %3s %4s %4s %3s %4s %5s %-6s %-*s %s\n",
3118 "ID", CPUINFO_CPUWIDTH, "ADDR", "FLG", "NRUN", "BSPL",
3119 "PRI", "RNRN", "KRNRN", "SWITCH", CPUINFO_TWIDTH, "THREAD",
3120 "PROC");
3121 cid->cid_print_head = FALSE;
3122 }
3123
3124 bspl = cpu->cpu_base_spl;
3125
3126 if (mdb_vread(&disp, sizeof (disp_t), (uintptr_t)cpu->cpu_disp) == -1) {
3127 mdb_warn("failed to read disp_t at %p", cpu->cpu_disp);
3128 return (WALK_ERR);
3129 }
3130
3131 mdb_printf("%3d %0*p %3x %4d %4d ",
3132 cpu->cpu_id, CPUINFO_CPUWIDTH, addr, cpu->cpu_flags,
3133 disp.disp_nrunnable, bspl);
3134
3135 if (mdb_vread(&t, sizeof (t), (uintptr_t)cpu->cpu_thread) != -1) {
3136 mdb_printf("%3d ", t.t_pri);
3137 } else {
3138 mdb_printf("%3s ", "-");
3139 }
3140
3141 mdb_printf("%4s %5s ", cpu->cpu_runrun ? "yes" : "no",
3142 cpu->cpu_kprunrun ? "yes" : "no");
3143
3144 if (cpu->cpu_last_swtch) {
3145 mdb_printf("t-%-4d ",
3146 (clock_t)mdb_get_lbolt() - cpu->cpu_last_swtch);
3147 } else {
3148 mdb_printf("%-6s ", "-");
3149 }
3150
3151 mdb_printf("%0*p", CPUINFO_TWIDTH, cpu->cpu_thread);
3152
3153 if (cpu->cpu_thread == cpu->cpu_idle_thread)
3154 mdb_printf(" (idle)\n");
3155 else if (cpu->cpu_thread == NULL)
3156 mdb_printf(" -\n");
3157 else {
3158 if (mdb_ctf_vread(&p, "proc_t", "mdb_cpuinfo_proc_t",
3159 (uintptr_t)t.t_procp, 0) != -1) {
3160 mdb_printf(" %s\n", p.p_user.u_comm);
3161 } else {
3162 mdb_printf(" ?\n");
3163 }
3164 }
3165
3166 flagbuf = mdb_zalloc(sizeof (flags), UM_SLEEP | UM_GC);
3167
3168 if (cid->cid_print_flags) {
3169 int first = 1, i, j, k;
3170 char *s;
3171
3172 cid->cid_print_head = TRUE;
3173
3174 for (i = 1, j = 0; flags[j] != NULL; i <<= 1, j++) {
3175 if (!(cpu->cpu_flags & i))
3176 continue;
3177
3178 if (first) {
3179 s = mdb_alloc(CPUINFO_THRDELT + 1,
3180 UM_GC | UM_SLEEP);
3181
3182 (void) mdb_snprintf(s, CPUINFO_THRDELT + 1,
3183 "%*s|%*s", CPUINFO_FLAGDELT, "",
3184 CPUINFO_THRDELT - 1 - CPUINFO_FLAGDELT, "");
3185 flagbuf[nflaglines++] = s;
3186 }
3187
3188 s = mdb_alloc(CPUINFO_THRDELT + 1, UM_GC | UM_SLEEP);
3189 (void) mdb_snprintf(s, CPUINFO_THRDELT + 1, "%*s%*s %s",
3190 CPUINFO_IDWIDTH + CPUINFO_CPUWIDTH -
3191 CPUINFO_FLAGWIDTH, "", CPUINFO_FLAGWIDTH, flags[j],
3192 first ? "<--+" : "");
3193
3194 for (k = strlen(s); k < CPUINFO_THRDELT; k++)
3195 s[k] = ' ';
3196 s[k] = '\0';
3197
3198 flagbuf[nflaglines++] = s;
3199 first = 0;
3200 }
3201 }
3202
3203 if (cid->cid_print_ithr) {
3204 int i, found_one = FALSE;
3205 int print_thr = disp.disp_nrunnable && cid->cid_print_thr;
3206
3207 for (i = NINTR - 1; i >= 0; i--) {
3208 uintptr_t iaddr = cid->cid_ithr[cpu->cpu_id][i];
3209
3210 if (iaddr == (uintptr_t)NULL)
3211 continue;
3212
3213 if (!found_one) {
3214 found_one = TRUE;
3215
3216 CPUINFO_INDENT;
3217 mdb_printf("%c%*s|\n", print_thr ? '|' : ' ',
3218 CPUINFO_ITHRDELT, "");
3219
3220 CPUINFO_INDENT;
3221 mdb_printf("%c%*s+--> %3s %s\n",
3222 print_thr ? '|' : ' ', CPUINFO_ITHRDELT,
3223 "", "PIL", "THREAD");
3224 }
3225
3226 if (mdb_vread(&t, sizeof (t), iaddr) == -1) {
3227 mdb_warn("failed to read kthread_t at %p",
3228 iaddr);
3229 return (WALK_ERR);
3230 }
3231
3232 CPUINFO_INDENT;
3233 mdb_printf("%c%*s %3d %0*p\n",
3234 print_thr ? '|' : ' ', CPUINFO_ITHRDELT, "",
3235 t.t_pil, CPUINFO_TWIDTH, iaddr);
3236
3237 pinned = (uintptr_t)t.t_intr;
3238 }
3239
3240 if (found_one && pinned != 0) {
3241 cid->cid_print_head = TRUE;
3242 (void) strcpy(p.p_user.u_comm, "?");
3243
3244 if (mdb_vread(&t, sizeof (t),
3245 (uintptr_t)pinned) == -1) {
3246 mdb_warn("failed to read kthread_t at %p",
3247 pinned);
3248 return (WALK_ERR);
3249 }
3250 if (mdb_ctf_vread(&p, "proc_t", "mdb_cpuinfo_proc_t",
3251 (uintptr_t)t.t_procp, 0) == -1) {
3252 mdb_warn("failed to read proc_t at %p",
3253 t.t_procp);
3254 return (WALK_ERR);
3255 }
3256
3257 CPUINFO_INDENT;
3258 mdb_printf("%c%*s %3s %0*p %s\n",
3259 print_thr ? '|' : ' ', CPUINFO_ITHRDELT, "", "-",
3260 CPUINFO_TWIDTH, pinned,
3261 pinned == (uintptr_t)cpu->cpu_idle_thread ?
3262 "(idle)" : p.p_user.u_comm);
3263 }
3264 }
3265
3266 if (disp.disp_nrunnable && cid->cid_print_thr) {
3267 dispq_t *dq;
3268
3269 int i, npri = disp.disp_npri;
3270
3271 dq = mdb_alloc(sizeof (dispq_t) * npri, UM_SLEEP | UM_GC);
3272
3273 if (mdb_vread(dq, sizeof (dispq_t) * npri,
3274 (uintptr_t)disp.disp_q) == -1) {
3275 mdb_warn("failed to read dispq_t at %p", disp.disp_q);
3276 return (WALK_ERR);
3277 }
3278
3279 CPUINFO_INDENT;
3280 mdb_printf("|\n");
3281
3282 CPUINFO_INDENT;
3283 mdb_printf("+--> %3s %-*s %s\n", "PRI",
3284 CPUINFO_TWIDTH, "THREAD", "PROC");
3285
3286 for (i = npri - 1; i >= 0; i--) {
3287 uintptr_t taddr = (uintptr_t)dq[i].dq_first;
3288
3289 while (taddr != (uintptr_t)NULL) {
3290 if (mdb_vread(&t, sizeof (t), taddr) == -1) {
3291 mdb_warn("failed to read kthread_t "
3292 "at %p", taddr);
3293 return (WALK_ERR);
3294 }
3295 if (mdb_ctf_vread(&p, "proc_t",
3296 "mdb_cpuinfo_proc_t",
3297 (uintptr_t)t.t_procp, 0) == -1) {
3298 mdb_warn("failed to read proc_t at %p",
3299 t.t_procp);
3300 return (WALK_ERR);
3301 }
3302
3303 CPUINFO_INDENT;
3304 mdb_printf(" %3d %0*p %s\n", t.t_pri,
3305 CPUINFO_TWIDTH, taddr, p.p_user.u_comm);
3306
3307 taddr = (uintptr_t)t.t_link;
3308 }
3309 }
3310 cid->cid_print_head = TRUE;
3311 }
3312
3313 while (flagline < nflaglines)
3314 mdb_printf("%s\n", flagbuf[flagline++]);
3315
3316 if (cid->cid_print_head)
3317 mdb_printf("\n");
3318
3319 return (rval);
3320 }
3321
3322 int
3323 cpuinfo(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
3324 {
3325 uint_t verbose = FALSE;
3326 cpuinfo_data_t cid;
3327
3328 cid.cid_print_ithr = FALSE;
3329 cid.cid_print_thr = FALSE;
3330 cid.cid_print_flags = FALSE;
3331 cid.cid_print_head = DCMD_HDRSPEC(flags) ? TRUE : FALSE;
3332 cid.cid_cpu = -1;
3333
3334 if (flags & DCMD_ADDRSPEC)
3335 cid.cid_cpu = addr;
3336
3337 if (mdb_getopts(argc, argv,
3338 'v', MDB_OPT_SETBITS, TRUE, &verbose, NULL) != argc)
3339 return (DCMD_USAGE);
3340
3341 if (verbose) {
3342 cid.cid_print_ithr = TRUE;
3343 cid.cid_print_thr = TRUE;
3344 cid.cid_print_flags = TRUE;
3345 cid.cid_print_head = TRUE;
3346 }
3347
3348 if (cid.cid_print_ithr) {
3349 int i;
3350
3351 cid.cid_ithr = mdb_alloc(sizeof (uintptr_t **)
3352 * NCPU, UM_SLEEP | UM_GC);
3353
3354 for (i = 0; i < NCPU; i++)
3355 cid.cid_ithr[i] = mdb_zalloc(sizeof (uintptr_t *) *
3356 NINTR, UM_SLEEP | UM_GC);
3357
3358 if (mdb_walk("thread", (mdb_walk_cb_t)cpuinfo_walk_ithread,
3359 &cid) == -1) {
3360 mdb_warn("couldn't walk thread");
3361 return (DCMD_ERR);
3362 }
3363 }
3364
3365 if (mdb_walk("cpu", (mdb_walk_cb_t)cpuinfo_walk_cpu, &cid) == -1) {
3366 mdb_warn("can't walk cpus");
3367 return (DCMD_ERR);
3368 }
3369
3370 if (cid.cid_cpu != -1) {
3371 /*
3372 * We didn't find this CPU when we walked through the CPUs
3373 * (i.e. the address specified doesn't show up in the "cpu"
3374 * walk). However, the specified address may still correspond
3375 * to a valid cpu_t (for example, if the specified address is
3376 * the actual panicking cpu_t and not the cached panic_cpu).
3377 * Point is: even if we didn't find it, we still want to try
3378 * to print the specified address as a cpu_t.
3379 */
3380 cpu_t cpu;
3381
3382 if (mdb_vread(&cpu, sizeof (cpu), cid.cid_cpu) == -1) {
3383 mdb_warn("%p is neither a valid CPU ID nor a "
3384 "valid cpu_t address\n", cid.cid_cpu);
3385 return (DCMD_ERR);
3386 }
3387
3388 (void) cpuinfo_walk_cpu(cid.cid_cpu, &cpu, &cid);
3389 }
3390
3391 return (DCMD_OK);
3392 }
3393
3394 /*ARGSUSED*/
3395 int
3396 flipone(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
3397 {
3398 int i;
3399
3400 if (!(flags & DCMD_ADDRSPEC))
3401 return (DCMD_USAGE);
3402
3403 for (i = 0; i < sizeof (addr) * NBBY; i++)
3404 mdb_printf("%p\n", addr ^ (1UL << i));
3405
3406 return (DCMD_OK);
3407 }
3408
3409 typedef struct mdb_as2proc_proc {
3410 struct as *p_as;
3411 } mdb_as2proc_proc_t;
3412
3413 /*ARGSUSED*/
3414 int
3415 as2proc_walk(uintptr_t addr, const void *ignored, struct as **asp)
3416 {
3417 mdb_as2proc_proc_t p;
3418
3419 mdb_ctf_vread(&p, "proc_t", "mdb_as2proc_proc_t", addr, 0);
3420
3421 if (p.p_as == *asp)
3422 mdb_printf("%p\n", addr);
3423 return (WALK_NEXT);
3424 }
3425
3426 /*ARGSUSED*/
3427 int
3428 as2proc(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
3429 {
3430 if (!(flags & DCMD_ADDRSPEC) || argc != 0)
3431 return (DCMD_USAGE);
3432
3433 if (mdb_walk("proc", (mdb_walk_cb_t)as2proc_walk, &addr) == -1) {
3434 mdb_warn("failed to walk proc");
3435 return (DCMD_ERR);
3436 }
3437
3438 return (DCMD_OK);
3439 }
3440
3441 typedef struct mdb_ptree_proc {
3442 struct proc *p_parent;
3443 struct {
3444 char u_comm[MAXCOMLEN + 1];
3445 } p_user;
3446 } mdb_ptree_proc_t;
3447
3448 /*ARGSUSED*/
3449 int
3450 ptree_walk(uintptr_t addr, const void *ignored, void *data)
3451 {
3452 mdb_ptree_proc_t proc;
3453 mdb_ptree_proc_t parent;
3454 int ident = 0;
3455 uintptr_t paddr;
3456
3457 mdb_ctf_vread(&proc, "proc_t", "mdb_ptree_proc_t", addr, 0);
3458
3459 for (paddr = (uintptr_t)proc.p_parent; paddr != (uintptr_t)NULL; ident += 5) {
3460 mdb_ctf_vread(&parent, "proc_t", "mdb_ptree_proc_t", paddr, 0);
3461 paddr = (uintptr_t)parent.p_parent;
3462 }
3463
3464 mdb_inc_indent(ident);
3465 mdb_printf("%0?p %s\n", addr, proc.p_user.u_comm);
3466 mdb_dec_indent(ident);
3467
3468 return (WALK_NEXT);
3469 }
3470
3471 void
3472 ptree_ancestors(uintptr_t addr, uintptr_t start)
3473 {
3474 mdb_ptree_proc_t p;
3475
3476 if (mdb_ctf_vread(&p, "proc_t", "mdb_ptree_proc_t", addr, 0) == -1) {
3477 mdb_warn("couldn't read ancestor at %p", addr);
3478 return;
3479 }
3480
3481 if (p.p_parent != NULL)
3482 ptree_ancestors((uintptr_t)p.p_parent, start);
3483
3484 if (addr != start)
3485 (void) ptree_walk(addr, &p, NULL);
3486 }
3487
3488 /*ARGSUSED*/
3489 int
3490 ptree(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
3491 {
3492 if (!(flags & DCMD_ADDRSPEC))
3493 addr = (uintptr_t)NULL;
3494 else
3495 ptree_ancestors(addr, addr);
3496
3497 if (mdb_pwalk("proc", (mdb_walk_cb_t)ptree_walk, NULL, addr) == -1) {
3498 mdb_warn("couldn't walk 'proc'");
3499 return (DCMD_ERR);
3500 }
3501
3502 return (DCMD_OK);
3503 }
3504
3505 typedef struct mdb_fd_proc {
3506 struct {
3507 struct {
3508 int fi_nfiles;
3509 uf_entry_t *volatile fi_list;
3510 } u_finfo;
3511 } p_user;
3512 } mdb_fd_proc_t;
3513
3514 /*ARGSUSED*/
3515 static int
3516 fd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
3517 {
3518 int fdnum;
3519 const mdb_arg_t *argp = &argv[0];
3520 mdb_fd_proc_t p;
3521 uf_entry_t uf;
3522
3523 if ((flags & DCMD_ADDRSPEC) == 0) {
3524 mdb_warn("fd doesn't give global information\n");
3525 return (DCMD_ERR);
3526 }
3527 if (argc != 1)
3528 return (DCMD_USAGE);
3529
3530 if (argp->a_type == MDB_TYPE_IMMEDIATE)
3531 fdnum = argp->a_un.a_val;
3532 else
3533 fdnum = mdb_strtoull(argp->a_un.a_str);
3534
3535 if (mdb_ctf_vread(&p, "proc_t", "mdb_fd_proc_t", addr, 0) == -1) {
3536 mdb_warn("couldn't read proc_t at %p", addr);
3537 return (DCMD_ERR);
3538 }
3539 if (fdnum > p.p_user.u_finfo.fi_nfiles) {
3540 mdb_warn("process %p only has %d files open.\n",
3541 addr, p.p_user.u_finfo.fi_nfiles);
3542 return (DCMD_ERR);
3543 }
3544 if (mdb_vread(&uf, sizeof (uf_entry_t),
3545 (uintptr_t)&p.p_user.u_finfo.fi_list[fdnum]) == -1) {
3546 mdb_warn("couldn't read uf_entry_t at %p",
3547 &p.p_user.u_finfo.fi_list[fdnum]);
3548 return (DCMD_ERR);
3549 }
3550
3551 mdb_printf("%p\n", uf.uf_file);
3552 return (DCMD_OK);
3553 }
3554
3555 /*ARGSUSED*/
3556 static int
3557 pid2proc(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
3558 {
3559 pid_t pid = (pid_t)addr;
3560
3561 if (argc != 0)
3562 return (DCMD_USAGE);
3563
3564 if ((addr = mdb_pid2proc(pid, NULL)) == (uintptr_t)NULL) {
3565 mdb_warn("PID 0t%d not found\n", pid);
3566 return (DCMD_ERR);
3567 }
3568
3569 mdb_printf("%p\n", addr);
3570 return (DCMD_OK);
3571 }
3572
3573 static char *sysfile_cmd[] = {
3574 "exclude:",
3575 "include:",
3576 "forceload:",
3577 "rootdev:",
3578 "rootfs:",
3579 "swapdev:",
3580 "swapfs:",
3581 "moddir:",
3582 "set",
3583 "unknown",
3584 };
3585
3586 static char *sysfile_ops[] = { "", "=", "&", "|" };
3587
3588 /*ARGSUSED*/
3589 static int
3590 sysfile_vmem_seg(uintptr_t addr, const vmem_seg_t *vsp, void **target)
3591 {
3592 if (vsp->vs_type == VMEM_ALLOC && (void *)vsp->vs_start == *target) {
3593 *target = NULL;
3594 return (WALK_DONE);
3595 }
3596 return (WALK_NEXT);
3597 }
3598
3599 /*ARGSUSED*/
3600 static int
3601 sysfile(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
3602 {
3603 struct sysparam *sysp, sys;
3604 char var[256];
3605 char modname[256];
3606 char val[256];
3607 char strval[256];
3608 vmem_t *mod_sysfile_arena;
3609 void *straddr;
3610
3611 if (mdb_readvar(&sysp, "sysparam_hd") == -1) {
3612 mdb_warn("failed to read sysparam_hd");
3613 return (DCMD_ERR);
3614 }
3615
3616 if (mdb_readvar(&mod_sysfile_arena, "mod_sysfile_arena") == -1) {
3617 mdb_warn("failed to read mod_sysfile_arena");
3618 return (DCMD_ERR);
3619 }
3620
3621 while (sysp != NULL) {
3622 var[0] = '\0';
3623 val[0] = '\0';
3624 modname[0] = '\0';
3625 if (mdb_vread(&sys, sizeof (sys), (uintptr_t)sysp) == -1) {
3626 mdb_warn("couldn't read sysparam %p", sysp);
3627 return (DCMD_ERR);
3628 }
3629 if (sys.sys_modnam != NULL &&
3630 mdb_readstr(modname, 256,
3631 (uintptr_t)sys.sys_modnam) == -1) {
3632 mdb_warn("couldn't read modname in %p", sysp);
3633 return (DCMD_ERR);
3634 }
3635 if (sys.sys_ptr != NULL &&
3636 mdb_readstr(var, 256, (uintptr_t)sys.sys_ptr) == -1) {
3637 mdb_warn("couldn't read ptr in %p", sysp);
3638 return (DCMD_ERR);
3639 }
3640 if (sys.sys_op != SETOP_NONE) {
3641 /*
3642 * Is this an int or a string? We determine this
3643 * by checking whether straddr is contained in
3644 * mod_sysfile_arena. If so, the walker will set
3645 * straddr to NULL.
3646 */
3647 straddr = (void *)(uintptr_t)sys.sys_info;
3648 if (sys.sys_op == SETOP_ASSIGN &&
3649 sys.sys_info != 0 &&
3650 mdb_pwalk("vmem_seg",
3651 (mdb_walk_cb_t)sysfile_vmem_seg, &straddr,
3652 (uintptr_t)mod_sysfile_arena) == 0 &&
3653 straddr == NULL &&
3654 mdb_readstr(strval, 256,
3655 (uintptr_t)sys.sys_info) != -1) {
3656 (void) mdb_snprintf(val, sizeof (val), "\"%s\"",
3657 strval);
3658 } else {
3659 (void) mdb_snprintf(val, sizeof (val),
3660 "0x%llx [0t%llu]", sys.sys_info,
3661 sys.sys_info);
3662 }
3663 }
3664 mdb_printf("%s %s%s%s%s%s\n", sysfile_cmd[sys.sys_type],
3665 modname, modname[0] == '\0' ? "" : ":",
3666 var, sysfile_ops[sys.sys_op], val);
3667
3668 sysp = sys.sys_next;
3669 }
3670
3671 return (DCMD_OK);
3672 }
3673
3674 int
3675 didmatch(uintptr_t addr, const kthread_t *thr, kt_did_t *didp)
3676 {
3677
3678 if (*didp == thr->t_did) {
3679 mdb_printf("%p\n", addr);
3680 return (WALK_DONE);
3681 } else
3682 return (WALK_NEXT);
3683 }
3684
3685 /*ARGSUSED*/
3686 int
3687 did2thread(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
3688 {
3689 const mdb_arg_t *argp = &argv[0];
3690 kt_did_t did;
3691
3692 if (argc != 1)
3693 return (DCMD_USAGE);
3694
3695 did = (kt_did_t)mdb_strtoull(argp->a_un.a_str);
3696
3697 if (mdb_walk("thread", (mdb_walk_cb_t)didmatch, (void *)&did) == -1) {
3698 mdb_warn("failed to walk thread");
3699 return (DCMD_ERR);
3700
3701 }
3702 return (DCMD_OK);
3703
3704 }
3705
3706 static int
3707 errorq_walk_init(mdb_walk_state_t *wsp)
3708 {
3709 if (wsp->walk_addr == (uintptr_t)NULL &&
3710 mdb_readvar(&wsp->walk_addr, "errorq_list") == -1) {
3711 mdb_warn("failed to read errorq_list");
3712 return (WALK_ERR);
3713 }
3714
3715 return (WALK_NEXT);
3716 }
3717
3718 static int
3719 errorq_walk_step(mdb_walk_state_t *wsp)
3720 {
3721 uintptr_t addr = wsp->walk_addr;
3722 errorq_t eq;
3723
3724 if (addr == (uintptr_t)NULL)
3725 return (WALK_DONE);
3726
3727 if (mdb_vread(&eq, sizeof (eq), addr) == -1) {
3728 mdb_warn("failed to read errorq at %p", addr);
3729 return (WALK_ERR);
3730 }
3731
3732 wsp->walk_addr = (uintptr_t)eq.eq_next;
3733 return (wsp->walk_callback(addr, &eq, wsp->walk_cbdata));
3734 }
3735
3736 typedef struct eqd_walk_data {
3737 uintptr_t *eqd_stack;
3738 void *eqd_buf;
3739 ulong_t eqd_qpos;
3740 ulong_t eqd_qlen;
3741 size_t eqd_size;
3742 } eqd_walk_data_t;
3743
3744 /*
3745 * In order to walk the list of pending error queue elements, we push the
3746 * addresses of the corresponding data buffers in to the eqd_stack array.
3747 * The error lists are in reverse chronological order when iterating using
3748 * eqe_prev, so we then pop things off the top in eqd_walk_step so that the
3749 * walker client gets addresses in order from oldest error to newest error.
3750 */
3751 static void
3752 eqd_push_list(eqd_walk_data_t *eqdp, uintptr_t addr)
3753 {
3754 errorq_elem_t eqe;
3755
3756 while (addr != (uintptr_t)NULL) {
3757 if (mdb_vread(&eqe, sizeof (eqe), addr) != sizeof (eqe)) {
3758 mdb_warn("failed to read errorq element at %p", addr);
3759 break;
3760 }
3761
3762 if (eqdp->eqd_qpos == eqdp->eqd_qlen) {
3763 mdb_warn("errorq is overfull -- more than %lu "
3764 "elems found\n", eqdp->eqd_qlen);
3765 break;
3766 }
3767
3768 eqdp->eqd_stack[eqdp->eqd_qpos++] = (uintptr_t)eqe.eqe_data;
3769 addr = (uintptr_t)eqe.eqe_prev;
3770 }
3771 }
3772
3773 static int
3774 eqd_walk_init(mdb_walk_state_t *wsp)
3775 {
3776 eqd_walk_data_t *eqdp;
3777 errorq_elem_t eqe, *addr;
3778 errorq_t eq;
3779 ulong_t i;
3780
3781 if (mdb_vread(&eq, sizeof (eq), wsp->walk_addr) == -1) {
3782 mdb_warn("failed to read errorq at %p", wsp->walk_addr);
3783 return (WALK_ERR);
3784 }
3785
3786 if (eq.eq_ptail != NULL &&
3787 mdb_vread(&eqe, sizeof (eqe), (uintptr_t)eq.eq_ptail) == -1) {
3788 mdb_warn("failed to read errorq element at %p", eq.eq_ptail);
3789 return (WALK_ERR);
3790 }
3791
3792 eqdp = mdb_alloc(sizeof (eqd_walk_data_t), UM_SLEEP);
3793 wsp->walk_data = eqdp;
3794
3795 eqdp->eqd_stack = mdb_zalloc(sizeof (uintptr_t) * eq.eq_qlen, UM_SLEEP);
3796 eqdp->eqd_buf = mdb_alloc(eq.eq_size, UM_SLEEP);
3797 eqdp->eqd_qlen = eq.eq_qlen;
3798 eqdp->eqd_qpos = 0;
3799 eqdp->eqd_size = eq.eq_size;
3800
3801 /*
3802 * The newest elements in the queue are on the pending list, so we
3803 * push those on to our stack first.
3804 */
3805 eqd_push_list(eqdp, (uintptr_t)eq.eq_pend);
3806
3807 /*
3808 * If eq_ptail is set, it may point to a subset of the errors on the
3809 * pending list in the event a atomic_cas_ptr() failed; if ptail's
3810 * data is already in our stack, NULL out eq_ptail and ignore it.
3811 */
3812 if (eq.eq_ptail != NULL) {
3813 for (i = 0; i < eqdp->eqd_qpos; i++) {
3814 if (eqdp->eqd_stack[i] == (uintptr_t)eqe.eqe_data) {
3815 eq.eq_ptail = NULL;
3816 break;
3817 }
3818 }
3819 }
3820
3821 /*
3822 * If eq_phead is set, it has the processing list in order from oldest
3823 * to newest. Use this to recompute eq_ptail as best we can and then
3824 * we nicely fall into eqd_push_list() of eq_ptail below.
3825 */
3826 for (addr = eq.eq_phead; addr != NULL && mdb_vread(&eqe, sizeof (eqe),
3827 (uintptr_t)addr) == sizeof (eqe); addr = eqe.eqe_next)
3828 eq.eq_ptail = addr;
3829
3830 /*
3831 * The oldest elements in the queue are on the processing list, subject
3832 * to machinations in the if-clauses above. Push any such elements.
3833 */
3834 eqd_push_list(eqdp, (uintptr_t)eq.eq_ptail);
3835 return (WALK_NEXT);
3836 }
3837
3838 static int
3839 eqd_walk_step(mdb_walk_state_t *wsp)
3840 {
3841 eqd_walk_data_t *eqdp = wsp->walk_data;
3842 uintptr_t addr;
3843
3844 if (eqdp->eqd_qpos == 0)
3845 return (WALK_DONE);
3846
3847 addr = eqdp->eqd_stack[--eqdp->eqd_qpos];
3848
3849 if (mdb_vread(eqdp->eqd_buf, eqdp->eqd_size, addr) != eqdp->eqd_size) {
3850 mdb_warn("failed to read errorq data at %p", addr);
3851 return (WALK_ERR);
3852 }
3853
3854 return (wsp->walk_callback(addr, eqdp->eqd_buf, wsp->walk_cbdata));
3855 }
3856
3857 static void
3858 eqd_walk_fini(mdb_walk_state_t *wsp)
3859 {
3860 eqd_walk_data_t *eqdp = wsp->walk_data;
3861
3862 mdb_free(eqdp->eqd_stack, sizeof (uintptr_t) * eqdp->eqd_qlen);
3863 mdb_free(eqdp->eqd_buf, eqdp->eqd_size);
3864 mdb_free(eqdp, sizeof (eqd_walk_data_t));
3865 }
3866
3867 #define EQKSVAL(eqv, what) (eqv.eq_kstat.what.value.ui64)
3868
3869 static int
3870 errorq(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
3871 {
3872 int i;
3873 errorq_t eq;
3874 uint_t opt_v = FALSE;
3875
3876 if (!(flags & DCMD_ADDRSPEC)) {
3877 if (mdb_walk_dcmd("errorq", "errorq", argc, argv) == -1) {
3878 mdb_warn("can't walk 'errorq'");
3879 return (DCMD_ERR);
3880 }
3881 return (DCMD_OK);
3882 }
3883
3884 i = mdb_getopts(argc, argv, 'v', MDB_OPT_SETBITS, TRUE, &opt_v, NULL);
3885 argc -= i;
3886 argv += i;
3887
3888 if (argc != 0)
3889 return (DCMD_USAGE);
3890
3891 if (opt_v || DCMD_HDRSPEC(flags)) {
3892 mdb_printf("%<u>%-11s %-16s %1s %1s %1s ",
3893 "ADDR", "NAME", "S", "V", "N");
3894 if (!opt_v) {
3895 mdb_printf("%7s %7s %7s%</u>\n",
3896 "ACCEPT", "DROP", "LOG");
3897 } else {
3898 mdb_printf("%5s %6s %6s %3s %16s%</u>\n",
3899 "KSTAT", "QLEN", "SIZE", "IPL", "FUNC");
3900 }
3901 }
3902
3903 if (mdb_vread(&eq, sizeof (eq), addr) != sizeof (eq)) {
3904 mdb_warn("failed to read errorq at %p", addr);
3905 return (DCMD_ERR);
3906 }
3907
3908 mdb_printf("%-11p %-16s %c %c %c ", addr, eq.eq_name,
3909 (eq.eq_flags & ERRORQ_ACTIVE) ? '+' : '-',
3910 (eq.eq_flags & ERRORQ_VITAL) ? '!' : ' ',
3911 (eq.eq_flags & ERRORQ_NVLIST) ? '*' : ' ');
3912
3913 if (!opt_v) {
3914 mdb_printf("%7llu %7llu %7llu\n",
3915 EQKSVAL(eq, eqk_dispatched) + EQKSVAL(eq, eqk_committed),
3916 EQKSVAL(eq, eqk_dropped) + EQKSVAL(eq, eqk_reserve_fail) +
3917 EQKSVAL(eq, eqk_commit_fail), EQKSVAL(eq, eqk_logged));
3918 } else {
3919 mdb_printf("%5s %6lu %6lu %3u %a\n",
3920 " | ", eq.eq_qlen, eq.eq_size, eq.eq_ipl, eq.eq_func);
3921 mdb_printf("%38s\n%41s"
3922 "%12s %llu\n"
3923 "%53s %llu\n"
3924 "%53s %llu\n"
3925 "%53s %llu\n"
3926 "%53s %llu\n"
3927 "%53s %llu\n"
3928 "%53s %llu\n"
3929 "%53s %llu\n\n",
3930 "|", "+-> ",
3931 "DISPATCHED", EQKSVAL(eq, eqk_dispatched),
3932 "DROPPED", EQKSVAL(eq, eqk_dropped),
3933 "LOGGED", EQKSVAL(eq, eqk_logged),
3934 "RESERVED", EQKSVAL(eq, eqk_reserved),
3935 "RESERVE FAIL", EQKSVAL(eq, eqk_reserve_fail),
3936 "COMMITTED", EQKSVAL(eq, eqk_committed),
3937 "COMMIT FAIL", EQKSVAL(eq, eqk_commit_fail),
3938 "CANCELLED", EQKSVAL(eq, eqk_cancelled));
3939 }
3940
3941 return (DCMD_OK);
3942 }
3943
3944 /*ARGSUSED*/
3945 static int
3946 panicinfo(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
3947 {
3948 cpu_t panic_cpu;
3949 kthread_t *panic_thread;
3950 void *buf;
3951 panic_data_t *pd;
3952 int i, n;
3953
3954 if (!mdb_prop_postmortem) {
3955 mdb_warn("panicinfo can only be run on a system "
3956 "dump; see dumpadm(8)\n");
3957 return (DCMD_ERR);
3958 }
3959
3960 if (flags & DCMD_ADDRSPEC || argc != 0)
3961 return (DCMD_USAGE);
3962
3963 if (mdb_readsym(&panic_cpu, sizeof (cpu_t), "panic_cpu") == -1)
3964 mdb_warn("failed to read 'panic_cpu'");
3965 else
3966 mdb_printf("%16s %?d\n", "cpu", panic_cpu.cpu_id);
3967
3968 if (mdb_readvar(&panic_thread, "panic_thread") == -1)
3969 mdb_warn("failed to read 'panic_thread'");
3970 else
3971 mdb_printf("%16s %?p\n", "thread", panic_thread);
3972
3973 buf = mdb_alloc(PANICBUFSIZE, UM_SLEEP);
3974 pd = (panic_data_t *)buf;
3975
3976 if (mdb_readsym(buf, PANICBUFSIZE, "panicbuf") == -1 ||
3977 pd->pd_version != PANICBUFVERS) {
3978 mdb_warn("failed to read 'panicbuf'");
3979 mdb_free(buf, PANICBUFSIZE);
3980 return (DCMD_ERR);
3981 }
3982
3983 mdb_printf("%16s %s\n", "message", (char *)buf + pd->pd_msgoff);
3984
3985 n = (pd->pd_msgoff - (sizeof (panic_data_t) -
3986 sizeof (panic_nv_t))) / sizeof (panic_nv_t);
3987
3988 for (i = 0; i < n; i++)
3989 mdb_printf("%16s %?llx\n",
3990 pd->pd_nvdata[i].pnv_name, pd->pd_nvdata[i].pnv_value);
3991
3992 mdb_free(buf, PANICBUFSIZE);
3993 return (DCMD_OK);
3994 }
3995
3996 /*
3997 * ::time dcmd, which will print a hires timestamp of when we entered the
3998 * debugger, or the lbolt value if used with the -l option.
3999 *
4000 */
4001 /*ARGSUSED*/
4002 static int
4003 time(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
4004 {
4005 uint_t opt_dec = FALSE;
4006 uint_t opt_lbolt = FALSE;
4007 uint_t opt_hex = FALSE;
4008 const char *fmt;
4009 hrtime_t result;
4010
4011 if (mdb_getopts(argc, argv,
4012 'd', MDB_OPT_SETBITS, TRUE, &opt_dec,
4013 'l', MDB_OPT_SETBITS, TRUE, &opt_lbolt,
4014 'x', MDB_OPT_SETBITS, TRUE, &opt_hex,
4015 NULL) != argc)
4016 return (DCMD_USAGE);
4017
4018 if (opt_dec && opt_hex)
4019 return (DCMD_USAGE);
4020
4021 result = opt_lbolt ? mdb_get_lbolt() : mdb_gethrtime();
4022 fmt =
4023 opt_hex ? "0x%llx\n" :
4024 opt_dec ? "0t%lld\n" : "%#llr\n";
4025
4026 mdb_printf(fmt, result);
4027 return (DCMD_OK);
4028 }
4029
4030 void
4031 time_help(void)
4032 {
4033 mdb_printf("Prints the system time in nanoseconds.\n\n"
4034 "::time will return the timestamp at which we dropped into, \n"
4035 "if called from, kmdb(1); the core dump's high resolution \n"
4036 "time if inspecting one; or the running hires time if we're \n"
4037 "looking at a live system.\n\n"
4038 "Switches:\n"
4039 " -d report times in decimal\n"
4040 " -l prints the number of clock ticks since system boot\n"
4041 " -x report times in hexadecimal\n");
4042 }
4043
4044 static const mdb_dcmd_t dcmds[] = {
4045
4046 /* from genunix.c */
4047 { "as2proc", ":", "convert as to proc_t address", as2proc },
4048 { "binding_hash_entry", ":", "print driver names hash table entry",
4049 binding_hash_entry },
4050 { "callout", "?[-r|n] [-s|l] [-xhB] [-t | -ab nsec [-dkD]]"
4051 " [-C addr | -S seqid] [-f name|addr] [-p name| addr] [-T|L [-E]]"
4052 " [-FivVA]",
4053 "display callouts", callout, callout_help },
4054 { "calloutid", "[-d|v] xid", "print callout by extended id",
4055 calloutid, calloutid_help },
4056 { "class", NULL, "print process scheduler classes", class },
4057 { "cpuinfo", "?[-v]", "print CPUs and runnable threads", cpuinfo },
4058 { "did2thread", "? kt_did", "find kernel thread for this id",
4059 did2thread },
4060 { "errorq", "?[-v]", "display kernel error queues", errorq },
4061 { "fd", ":[fd num]", "get a file pointer from an fd", fd },
4062 { "flipone", ":", "the vik_rev_level 2 special", flipone },
4063 { "lminfo", NULL, "print lock manager information", lminfo },
4064 { "ndi_event_hdl", "?", "print ndi_event_hdl", ndi_event_hdl },
4065 { "panicinfo", NULL, "print panic information", panicinfo },
4066 { "pid2proc", "?", "convert PID to proc_t address", pid2proc },
4067 { "project", NULL, "display kernel project(s)", project },
4068 { "ps", "[-fltzTP]", "list processes (and associated thr,lwp)", ps },
4069 { "pflags", NULL, "display various proc_t flags", pflags },
4070 { "pgrep", "[-x] [-n | -o] pattern",
4071 "pattern match against all processes", pgrep },
4072 { "ptree", NULL, "print process tree", ptree },
4073 { "sysevent", "?[-sv]", "print sysevent pending or sent queue",
4074 sysevent},
4075 { "sysevent_channel", "?", "print sysevent channel database",
4076 sysevent_channel},
4077 { "sysevent_class_list", ":", "print sysevent class list",
4078 sysevent_class_list},
4079 { "sysevent_subclass_list", ":",
4080 "print sysevent subclass list", sysevent_subclass_list},
4081 { "system", NULL, "print contents of /etc/system file", sysfile },
4082 { "task", NULL, "display kernel task(s)", task },
4083 { "time", "[-dlx]", "display system time", time, time_help },
4084 { "vnode2path", ":[-F]", "vnode address to pathname", vnode2path },
4085 { "whereopen", ":", "given a vnode, dumps procs which have it open",
4086 whereopen },
4087
4088 /* from bio.c */
4089 { "bufpagefind", ":addr", "find page_t on buf_t list", bufpagefind },
4090
4091 /* from bitset.c */
4092 { "bitset", ":", "display a bitset", bitset, bitset_help },
4093
4094 /* from contract.c */
4095 { "contract", "?", "display a contract", cmd_contract },
4096 { "ctevent", ":", "display a contract event", cmd_ctevent },
4097 { "ctid", ":", "convert id to a contract pointer", cmd_ctid },
4098
4099 /* from cpupart.c */
4100 { "cpupart", "?[-v]", "print cpu partition info", cpupart },
4101
4102 /* from cred.c */
4103 { "cred", ":[-v]", "display a credential", cmd_cred },
4104 { "credgrp", ":[-v]", "display cred_t groups", cmd_credgrp },
4105 { "credsid", ":[-v]", "display a credsid_t", cmd_credsid },
4106 { "ksidlist", ":[-v]", "display a ksidlist_t", cmd_ksidlist },
4107
4108 /* from cyclic.c */
4109 { "cyccover", NULL, "dump cyclic coverage information", cyccover },
4110 { "cycid", "?", "dump a cyclic id", cycid },
4111 { "cycinfo", "?", "dump cyc_cpu info", cycinfo },
4112 { "cyclic", ":", "developer information", cyclic },
4113 { "cyctrace", "?", "dump cyclic trace buffer", cyctrace },
4114
4115 /* from damap.c */
4116 { "damap", ":", "display a damap_t", damap, damap_help },
4117
4118 /* from ddi_periodic.c */
4119 { "ddi_periodic", "?[-v]", "dump ddi_periodic_impl_t info", dprinfo },
4120
4121 /* from devinfo.c */
4122 { "devbindings", "?[-qs] [device-name | major-num]",
4123 "print devinfo nodes bound to device-name or major-num",
4124 devbindings, devinfo_help },
4125 { "devinfo", ":[-qs]", "detailed devinfo of one node", devinfo,
4126 devinfo_help },
4127 { "devinfo_audit", ":[-v]", "devinfo configuration audit record",
4128 devinfo_audit },
4129 { "devinfo_audit_log", "?[-v]", "system wide devinfo configuration log",
4130 devinfo_audit_log },
4131 { "devinfo_audit_node", ":[-v]", "devinfo node configuration history",
4132 devinfo_audit_node },
4133 { "devinfo2driver", ":", "find driver name for this devinfo node",
4134 devinfo2driver },
4135 { "devnames", "?[-vm] [num]", "print devnames array", devnames },
4136 { "dev2major", "?<dev_t>", "convert dev_t to a major number",
4137 dev2major },
4138 { "dev2minor", "?<dev_t>", "convert dev_t to a minor number",
4139 dev2minor },
4140 { "devt", "?<dev_t>", "display a dev_t's major and minor numbers",
4141 devt },
4142 { "major2name", "?<major-num>", "convert major number to dev name",
4143 major2name },
4144 { "minornodes", ":", "given a devinfo node, print its minor nodes",
4145 minornodes },
4146 { "modctl2devinfo", ":", "given a modctl, list its devinfos",
4147 modctl2devinfo },
4148 { "name2major", "<dev-name>", "convert dev name to major number",
4149 name2major },
4150 { "prtconf", "?[-vpc] [-d driver]", "print devinfo tree", prtconf,
4151 prtconf_help },
4152 { "softstate", ":<instance>", "retrieve soft-state pointer",
4153 softstate },
4154 { "devinfo_fm", ":", "devinfo fault managment configuration",
4155 devinfo_fm },
4156 { "devinfo_fmce", ":", "devinfo fault managment cache entry",
4157 devinfo_fmce},
4158
4159 /* from findstack.c */
4160 { "findstack", ":[-v]", "find kernel thread stack", findstack },
4161 { "findstack_debug", NULL, "toggle findstack debugging",
4162 findstack_debug },
4163 { "stacks", "?[-afiv] [-c func] [-C func] [-m module] [-M module] "
4164 "[-s sobj | -S sobj] [-t tstate | -T tstate]",
4165 "print unique kernel thread stacks",
4166 stacks, stacks_help },
4167
4168 /* from fm.c */
4169 { "ereport", "[-v]", "print ereports logged in dump",
4170 ereport },
4171
4172 /* from group.c */
4173 { "group", "?[-q]", "display a group", group},
4174
4175 /* from hotplug.c */
4176 { "hotplug", "?[-p]", "display a registered hotplug attachment",
4177 hotplug, hotplug_help },
4178
4179 /* from irm.c */
4180 { "irmpools", NULL, "display interrupt pools", irmpools_dcmd },
4181 { "irmreqs", NULL, "display interrupt requests in an interrupt pool",
4182 irmreqs_dcmd },
4183 { "irmreq", NULL, "display an interrupt request", irmreq_dcmd },
4184
4185 /* from kgrep.c + genunix.c */
4186 { "kgrep", KGREP_USAGE, "search kernel as for a pointer", kgrep,
4187 kgrep_help },
4188
4189 /* from kmem.c */
4190 { "allocdby", ":", "given a thread, print its allocated buffers",
4191 allocdby },
4192 { "bufctl", ":[-vh] [-a addr] [-c caller] [-e earliest] [-l latest] "
4193 "[-t thd]", "print or filter a bufctl", bufctl, bufctl_help },
4194 { "freedby", ":", "given a thread, print its freed buffers", freedby },
4195 { "kmalog", "?[ fail | slab ]",
4196 "display kmem transaction log and stack traces", kmalog },
4197 { "kmastat", "[-kmg]", "kernel memory allocator stats",
4198 kmastat },
4199 { "kmausers", "?[-ef] [cache ...]", "current medium and large users "
4200 "of the kmem allocator", kmausers, kmausers_help },
4201 { "kmem_cache", "?[-n name]",
4202 "print kernel memory caches", kmem_cache, kmem_cache_help},
4203 { "kmem_slabs", "?[-v] [-n cache] [-N cache] [-b maxbins] "
4204 "[-B minbinsize]", "display slab usage per kmem cache",
4205 kmem_slabs, kmem_slabs_help },
4206 { "kmem_debug", NULL, "toggle kmem dcmd/walk debugging", kmem_debug },
4207 { "kmem_log", "?[-b]", "dump kmem transaction log", kmem_log },
4208 { "kmem_verify", "?", "check integrity of kmem-managed memory",
4209 kmem_verify },
4210 { "vmem", "?", "print a vmem_t", vmem },
4211 { "vmem_seg", ":[-sv] [-c caller] [-e earliest] [-l latest] "
4212 "[-m minsize] [-M maxsize] [-t thread] [-T type]",
4213 "print or filter a vmem_seg", vmem_seg, vmem_seg_help },
4214 { "whatthread", ":[-v]", "print threads whose stack contains the "
4215 "given address", whatthread },
4216
4217 /* from ldi.c */
4218 { "ldi_handle", "?[-i]", "display a layered driver handle",
4219 ldi_handle, ldi_handle_help },
4220 { "ldi_ident", NULL, "display a layered driver identifier",
4221 ldi_ident, ldi_ident_help },
4222
4223 /* from leaky.c + leaky_subr.c */
4224 { "findleaks", FINDLEAKS_USAGE,
4225 "search for potential kernel memory leaks", findleaks,
4226 findleaks_help },
4227
4228 /* from lgrp.c */
4229 { "lgrp", "?[-q] [-p | -Pih]", "display an lgrp", lgrp},
4230 { "lgrp_set", "", "display bitmask of lgroups as a list", lgrp_set},
4231
4232 /* from log.c */
4233 { "msgbuf", "?[-v]", "print most recent console messages", msgbuf },
4234
4235 /* from mdi.c */
4236 { "mdipi", NULL, "given a path, dump mdi_pathinfo "
4237 "and detailed pi_prop list", mdipi },
4238 { "mdiprops", NULL, "given a pi_prop, dump the pi_prop list",
4239 mdiprops },
4240 { "mdiphci", NULL, "given a phci, dump mdi_phci and "
4241 "list all paths", mdiphci },
4242 { "mdivhci", NULL, "given a vhci, dump mdi_vhci and list "
4243 "all phcis", mdivhci },
4244 { "mdiclient_paths", NULL, "given a path, walk mdi_pathinfo "
4245 "client links", mdiclient_paths },
4246 { "mdiphci_paths", NULL, "given a path, walk through mdi_pathinfo "
4247 "phci links", mdiphci_paths },
4248 { "mdiphcis", NULL, "given a phci, walk through mdi_phci ph_next links",
4249 mdiphcis },
4250
4251 /* from memory.c */
4252 { "addr2smap", ":[offset]", "translate address to smap", addr2smap },
4253 { "memlist", "?[-iav]", "display a struct memlist", memlist },
4254 { "memstat", NULL, "display memory usage summary", memstat },
4255 { "page", "?", "display a summarized page_t", page },
4256 { "pagelookup", "?[-v vp] [-o offset]",
4257 "find the page_t with the name {vp, offset}",
4258 pagelookup, pagelookup_help },
4259 { "page_num2pp", ":", "find the page_t for a given page frame number",
4260 page_num2pp },
4261 { "pmap", ":[-q]", "print process memory map", pmap },
4262 { "seg", ":", "print address space segment", seg },
4263 { "swapinfo", "?", "display a struct swapinfo", swapinfof },
4264 { "vnode2smap", ":[offset]", "translate vnode to smap", vnode2smap },
4265
4266 /* from mmd.c */
4267 { "multidata", ":[-sv]", "display a summarized multidata_t",
4268 multidata },
4269 { "pattbl", ":", "display a summarized multidata attribute table",
4270 pattbl },
4271 { "pattr2multidata", ":", "print multidata pointer from pattr_t",
4272 pattr2multidata },
4273 { "pdesc2slab", ":", "print pdesc slab pointer from pdesc_t",
4274 pdesc2slab },
4275 { "pdesc_verify", ":", "verify integrity of a pdesc_t", pdesc_verify },
4276 { "slab2multidata", ":", "print multidata pointer from pdesc_slab_t",
4277 slab2multidata },
4278
4279 /* from modhash.c */
4280 { "modhash", "?[-ceht] [-k key] [-v val] [-i index]",
4281 "display information about one or all mod_hash structures",
4282 modhash, modhash_help },
4283 { "modent", ":[-k | -v | -t type]",
4284 "display information about a mod_hash_entry", modent,
4285 modent_help },
4286
4287 /* from net.c */
4288 { "dladm", "?<sub-command> [flags]", "show data link information",
4289 dladm, dladm_help },
4290 { "mi", ":[-p] [-d | -m]", "filter and display MI object or payload",
4291 mi },
4292 { "netstat", "[-arv] [-f inet | inet6 | unix] [-P tcp | udp | icmp]",
4293 "show network statistics", netstat },
4294 { "sonode", "?[-f inet | inet6 | unix | #] "
4295 "[-t stream | dgram | raw | #] [-p #]",
4296 "filter and display sonode", sonode },
4297
4298 /* from netstack.c */
4299 { "netstack", "", "show stack instances", netstack },
4300 { "netstackid2netstack", ":",
4301 "translate a netstack id to its netstack_t",
4302 netstackid2netstack },
4303
4304 /* from nvpair.c */
4305 { NVPAIR_DCMD_NAME, NVPAIR_DCMD_USAGE, NVPAIR_DCMD_DESCR,
4306 nvpair_print },
4307 { NVLIST_DCMD_NAME, NVLIST_DCMD_USAGE, NVLIST_DCMD_DESCR,
4308 print_nvlist },
4309
4310 /* from pg.c */
4311 { "pg", "?[-q]", "display a pg", pg},
4312
4313 /* from rctl.c */
4314 { "rctl_dict", "?", "print systemwide default rctl definitions",
4315 rctl_dict },
4316 { "rctl_list", ":[handle]", "print rctls for the given proc",
4317 rctl_list },
4318 { "rctl", ":[handle]", "print a rctl_t, only if it matches the handle",
4319 rctl },
4320 { "rctl_validate", ":[-v] [-n #]", "test resource control value "
4321 "sequence", rctl_validate },
4322
4323 /* from sobj.c */
4324 { "rwlock", ":", "dump out a readers/writer lock", rwlock },
4325 { "mutex", ":[-f]", "dump out an adaptive or spin mutex", mutex,
4326 mutex_help },
4327 { "sobj2ts", ":", "perform turnstile lookup on synch object", sobj2ts },
4328 { "wchaninfo", "?[-v]", "dump condition variable", wchaninfo },
4329 { "turnstile", "?", "display a turnstile", turnstile },
4330
4331 /* from stream.c */
4332 { "mblk", ":[-q|v] [-f|F flag] [-t|T type] [-l|L|B len] [-d dbaddr]",
4333 "print an mblk", mblk_prt, mblk_help },
4334 { "mblk_verify", "?", "verify integrity of an mblk", mblk_verify },
4335 { "mblk2dblk", ":", "convert mblk_t address to dblk_t address",
4336 mblk2dblk },
4337 { "q2otherq", ":", "print peer queue for a given queue", q2otherq },
4338 { "q2rdq", ":", "print read queue for a given queue", q2rdq },
4339 { "q2syncq", ":", "print syncq for a given queue", q2syncq },
4340 { "q2stream", ":", "print stream pointer for a given queue", q2stream },
4341 { "q2wrq", ":", "print write queue for a given queue", q2wrq },
4342 { "queue", ":[-q|v] [-m mod] [-f flag] [-F flag] [-s syncq_addr]",
4343 "filter and display STREAM queue", queue, queue_help },
4344 { "stdata", ":[-q|v] [-f flag] [-F flag]",
4345 "filter and display STREAM head", stdata, stdata_help },
4346 { "str2mate", ":", "print mate of this stream", str2mate },
4347 { "str2wrq", ":", "print write queue of this stream", str2wrq },
4348 { "stream", ":", "display STREAM", stream },
4349 { "strftevent", ":", "print STREAMS flow trace event", strftevent },
4350 { "syncq", ":[-q|v] [-f flag] [-F flag] [-t type] [-T type]",
4351 "filter and display STREAM sync queue", syncq, syncq_help },
4352 { "syncq2q", ":", "print queue for a given syncq", syncq2q },
4353
4354 /* from taskq.c */
4355 { "taskq", ":[-atT] [-m min_maxq] [-n name]",
4356 "display a taskq", taskq, taskq_help },
4357 { "taskq_entry", ":", "display a taskq_ent_t", taskq_ent },
4358
4359 /* from thread.c */
4360 { "thread", "?[-bdfimps]", "display a summarized kthread_t", thread,
4361 thread_help },
4362 { "threadlist", "?[-t] [-v [count]]",
4363 "display threads and associated C stack traces", threadlist,
4364 threadlist_help },
4365 { "stackinfo", "?[-h|-a]", "display kthread_t stack usage", stackinfo,
4366 stackinfo_help },
4367
4368 /* from tsd.c */
4369 { "tsd", ":-k key", "print tsd[key-1] for this thread", ttotsd },
4370 { "tsdtot", ":", "find thread with this tsd", tsdtot },
4371
4372 /*
4373 * typegraph does not work under kmdb, as it requires too much memory
4374 * for its internal data structures.
4375 */
4376 #ifndef _KMDB
4377 /* from typegraph.c */
4378 { "findlocks", ":", "find locks held by specified thread", findlocks },
4379 { "findfalse", "?[-v]", "find potentially falsely shared structures",
4380 findfalse },
4381 { "typegraph", NULL, "build type graph", typegraph },
4382 { "istype", ":type", "manually set object type", istype },
4383 { "notype", ":", "manually clear object type", notype },
4384 { "whattype", ":", "determine object type", whattype },
4385 #endif
4386
4387 /* from vfs.c */
4388 { "fsinfo", "?[-v]", "print mounted filesystems", fsinfo },
4389 { "pfiles", ":[-fp]", "print process file information", pfiles,
4390 pfiles_help },
4391
4392 /* from zone.c */
4393 { "zid2zone", ":", "find the zone_t with the given zone id",
4394 zid2zone },
4395 { "zone", "?[-r [-v]]", "display kernel zone(s)", zoneprt },
4396 { "zsd", ":[-v] [zsd_key]", "display zone-specific-data entries for "
4397 "selected zones", zsd },
4398
4399 #ifndef _KMDB
4400 { "gcore", NULL, "generate a user core for the given process",
4401 gcore_dcmd },
4402 #endif
4403
4404 { NULL }
4405 };
4406
4407 static const mdb_walker_t walkers[] = {
4408
4409 /* from genunix.c */
4410 { "callouts_bytime", "walk callouts by list chain (expiration time)",
4411 callout_walk_init, callout_walk_step, callout_walk_fini,
4412 (void *)CALLOUT_WALK_BYLIST },
4413 { "callouts_byid", "walk callouts by id hash chain",
4414 callout_walk_init, callout_walk_step, callout_walk_fini,
4415 (void *)CALLOUT_WALK_BYID },
4416 { "callout_list", "walk a callout list", callout_list_walk_init,
4417 callout_list_walk_step, callout_list_walk_fini },
4418 { "callout_table", "walk callout table array", callout_table_walk_init,
4419 callout_table_walk_step, callout_table_walk_fini },
4420 { "cpu", "walk cpu structures", cpu_walk_init, cpu_walk_step },
4421 { "dnlc", "walk dnlc entries",
4422 dnlc_walk_init, dnlc_walk_step, dnlc_walk_fini },
4423 { "ereportq_dump", "walk list of ereports in dump error queue",
4424 ereportq_dump_walk_init, ereportq_dump_walk_step, NULL },
4425 { "ereportq_pend", "walk list of ereports in pending error queue",
4426 ereportq_pend_walk_init, ereportq_pend_walk_step, NULL },
4427 { "errorq", "walk list of system error queues",
4428 errorq_walk_init, errorq_walk_step, NULL },
4429 { "errorq_data", "walk pending error queue data buffers",
4430 eqd_walk_init, eqd_walk_step, eqd_walk_fini },
4431 { "allfile", "given a proc pointer, list all file pointers",
4432 file_walk_init, allfile_walk_step, file_walk_fini },
4433 { "file", "given a proc pointer, list of open file pointers",
4434 file_walk_init, file_walk_step, file_walk_fini },
4435 { "lock_descriptor", "walk lock_descriptor_t structures",
4436 ld_walk_init, ld_walk_step, NULL },
4437 { "lock_graph", "walk lock graph",
4438 lg_walk_init, lg_walk_step, NULL },
4439 { "port", "given a proc pointer, list of created event ports",
4440 port_walk_init, port_walk_step, NULL },
4441 { "portev", "given a port pointer, list of events in the queue",
4442 portev_walk_init, portev_walk_step, portev_walk_fini },
4443 { "proc", "list of active proc_t structures",
4444 proc_walk_init, proc_walk_step, proc_walk_fini },
4445 { "projects", "walk a list of kernel projects",
4446 project_walk_init, project_walk_step, NULL },
4447 { "sysevent_pend", "walk sysevent pending queue",
4448 sysevent_pend_walk_init, sysevent_walk_step,
4449 sysevent_walk_fini},
4450 { "sysevent_sent", "walk sysevent sent queue", sysevent_sent_walk_init,
4451 sysevent_walk_step, sysevent_walk_fini},
4452 { "sysevent_channel", "walk sysevent channel subscriptions",
4453 sysevent_channel_walk_init, sysevent_channel_walk_step,
4454 sysevent_channel_walk_fini},
4455 { "sysevent_class_list", "walk sysevent subscription's class list",
4456 sysevent_class_list_walk_init, sysevent_class_list_walk_step,
4457 sysevent_class_list_walk_fini},
4458 { "sysevent_subclass_list",
4459 "walk sysevent subscription's subclass list",
4460 sysevent_subclass_list_walk_init,
4461 sysevent_subclass_list_walk_step,
4462 sysevent_subclass_list_walk_fini},
4463 { "task", "given a task pointer, walk its processes",
4464 task_walk_init, task_walk_step, NULL },
4465
4466 /* from avl.c */
4467 { AVL_WALK_NAME, AVL_WALK_DESC,
4468 avl_walk_init, avl_walk_step, avl_walk_fini },
4469
4470 /* from bio.c */
4471 { "buf", "walk the bio buf hash",
4472 buf_walk_init, buf_walk_step, buf_walk_fini },
4473
4474 /* from contract.c */
4475 { "contract", "walk all contracts, or those of the specified type",
4476 ct_walk_init, generic_walk_step, NULL },
4477 { "ct_event", "walk events on a contract event queue",
4478 ct_event_walk_init, generic_walk_step, NULL },
4479 { "ct_listener", "walk contract event queue listeners",
4480 ct_listener_walk_init, generic_walk_step, NULL },
4481
4482 /* from cpupart.c */
4483 { "cpupart_cpulist", "given an cpupart_t, walk cpus in partition",
4484 cpupart_cpulist_walk_init, cpupart_cpulist_walk_step,
4485 NULL },
4486 { "cpupart_walk", "walk the set of cpu partitions",
4487 cpupart_walk_init, cpupart_walk_step, NULL },
4488
4489 /* from ctxop.c */
4490 { "ctxop", "walk list of context ops on a thread",
4491 ctxop_walk_init, ctxop_walk_step, ctxop_walk_fini },
4492
4493 /* from cyclic.c */
4494 { "cyccpu", "walk per-CPU cyc_cpu structures",
4495 cyccpu_walk_init, cyccpu_walk_step, NULL },
4496 { "cycomni", "for an omnipresent cyclic, walk cyc_omni_cpu list",
4497 cycomni_walk_init, cycomni_walk_step, NULL },
4498 { "cyctrace", "walk cyclic trace buffer",
4499 cyctrace_walk_init, cyctrace_walk_step, cyctrace_walk_fini },
4500
4501 /* from devinfo.c */
4502 { "binding_hash", "walk all entries in binding hash table",
4503 binding_hash_walk_init, binding_hash_walk_step, NULL },
4504 { "devinfo", "walk devinfo tree or subtree",
4505 devinfo_walk_init, devinfo_walk_step, devinfo_walk_fini },
4506 { "devinfo_audit_log", "walk devinfo audit system-wide log",
4507 devinfo_audit_log_walk_init, devinfo_audit_log_walk_step,
4508 devinfo_audit_log_walk_fini},
4509 { "devinfo_audit_node", "walk per-devinfo audit history",
4510 devinfo_audit_node_walk_init, devinfo_audit_node_walk_step,
4511 devinfo_audit_node_walk_fini},
4512 { "devinfo_children", "walk children of devinfo node",
4513 devinfo_children_walk_init, devinfo_children_walk_step,
4514 devinfo_children_walk_fini },
4515 { "devinfo_parents", "walk ancestors of devinfo node",
4516 devinfo_parents_walk_init, devinfo_parents_walk_step,
4517 devinfo_parents_walk_fini },
4518 { "devinfo_siblings", "walk siblings of devinfo node",
4519 devinfo_siblings_walk_init, devinfo_siblings_walk_step, NULL },
4520 { "devi_next", "walk devinfo list",
4521 NULL, devi_next_walk_step, NULL },
4522 { "devnames", "walk devnames array",
4523 devnames_walk_init, devnames_walk_step, devnames_walk_fini },
4524 { "minornode", "given a devinfo node, walk minor nodes",
4525 minornode_walk_init, minornode_walk_step, NULL },
4526 { "softstate",
4527 "given an i_ddi_soft_state*, list all in-use driver stateps",
4528 soft_state_walk_init, soft_state_walk_step,
4529 NULL, NULL },
4530 { "softstate_all",
4531 "given an i_ddi_soft_state*, list all driver stateps",
4532 soft_state_walk_init, soft_state_all_walk_step,
4533 NULL, NULL },
4534 { "devinfo_fmc",
4535 "walk a fault management handle cache active list",
4536 devinfo_fmc_walk_init, devinfo_fmc_walk_step, NULL },
4537
4538 /* from group.c */
4539 { "group", "walk all elements of a group",
4540 group_walk_init, group_walk_step, NULL },
4541
4542 /* from irm.c */
4543 { "irmpools", "walk global list of interrupt pools",
4544 irmpools_walk_init, list_walk_step, list_walk_fini },
4545 { "irmreqs", "walk list of interrupt requests in an interrupt pool",
4546 irmreqs_walk_init, list_walk_step, list_walk_fini },
4547
4548 /* from kmem.c */
4549 { "allocdby", "given a thread, walk its allocated bufctls",
4550 allocdby_walk_init, allocdby_walk_step, allocdby_walk_fini },
4551 { "bufctl", "walk a kmem cache's bufctls",
4552 bufctl_walk_init, kmem_walk_step, kmem_walk_fini },
4553 { "bufctl_history", "walk the available history of a bufctl",
4554 bufctl_history_walk_init, bufctl_history_walk_step,
4555 bufctl_history_walk_fini },
4556 { "freedby", "given a thread, walk its freed bufctls",
4557 freedby_walk_init, allocdby_walk_step, allocdby_walk_fini },
4558 { "freectl", "walk a kmem cache's free bufctls",
4559 freectl_walk_init, kmem_walk_step, kmem_walk_fini },
4560 { "freectl_constructed", "walk a kmem cache's constructed free bufctls",
4561 freectl_constructed_walk_init, kmem_walk_step, kmem_walk_fini },
4562 { "freemem", "walk a kmem cache's free memory",
4563 freemem_walk_init, kmem_walk_step, kmem_walk_fini },
4564 { "freemem_constructed", "walk a kmem cache's constructed free memory",
4565 freemem_constructed_walk_init, kmem_walk_step, kmem_walk_fini },
4566 { "kmem", "walk a kmem cache",
4567 kmem_walk_init, kmem_walk_step, kmem_walk_fini },
4568 { "kmem_cpu_cache", "given a kmem cache, walk its per-CPU caches",
4569 kmem_cpu_cache_walk_init, kmem_cpu_cache_walk_step, NULL },
4570 { "kmem_hash", "given a kmem cache, walk its allocated hash table",
4571 kmem_hash_walk_init, kmem_hash_walk_step, kmem_hash_walk_fini },
4572 { "kmem_log", "walk the kmem transaction log",
4573 kmem_log_walk_init, kmem_log_walk_step, kmem_log_walk_fini },
4574 { "kmem_slab", "given a kmem cache, walk its slabs",
4575 kmem_slab_walk_init, combined_walk_step, combined_walk_fini },
4576 { "kmem_slab_partial",
4577 "given a kmem cache, walk its partially allocated slabs (min 1)",
4578 kmem_slab_walk_partial_init, combined_walk_step,
4579 combined_walk_fini },
4580 { "vmem", "walk vmem structures in pre-fix, depth-first order",
4581 vmem_walk_init, vmem_walk_step, vmem_walk_fini },
4582 { "vmem_alloc", "given a vmem_t, walk its allocated vmem_segs",
4583 vmem_alloc_walk_init, vmem_seg_walk_step, vmem_seg_walk_fini },
4584 { "vmem_free", "given a vmem_t, walk its free vmem_segs",
4585 vmem_free_walk_init, vmem_seg_walk_step, vmem_seg_walk_fini },
4586 { "vmem_postfix", "walk vmem structures in post-fix, depth-first order",
4587 vmem_walk_init, vmem_postfix_walk_step, vmem_walk_fini },
4588 { "vmem_seg", "given a vmem_t, walk all of its vmem_segs",
4589 vmem_seg_walk_init, vmem_seg_walk_step, vmem_seg_walk_fini },
4590 { "vmem_span", "given a vmem_t, walk its spanning vmem_segs",
4591 vmem_span_walk_init, vmem_seg_walk_step, vmem_seg_walk_fini },
4592
4593 /* from ldi.c */
4594 { "ldi_handle", "walk the layered driver handle hash",
4595 ldi_handle_walk_init, ldi_handle_walk_step, NULL },
4596 { "ldi_ident", "walk the layered driver identifier hash",
4597 ldi_ident_walk_init, ldi_ident_walk_step, NULL },
4598
4599 /* from leaky.c + leaky_subr.c */
4600 { "leak", "given a leaked bufctl or vmem_seg, find leaks w/ same "
4601 "stack trace",
4602 leaky_walk_init, leaky_walk_step, leaky_walk_fini },
4603 { "leakbuf", "given a leaked bufctl or vmem_seg, walk buffers for "
4604 "leaks w/ same stack trace",
4605 leaky_walk_init, leaky_buf_walk_step, leaky_walk_fini },
4606
4607 /* from lgrp.c */
4608 { "lgrp_cpulist", "walk CPUs in a given lgroup",
4609 lgrp_cpulist_walk_init, lgrp_cpulist_walk_step, NULL },
4610 { "lgrptbl", "walk lgroup table",
4611 lgrp_walk_init, lgrp_walk_step, NULL },
4612 { "lgrp_parents", "walk up lgroup lineage from given lgroup",
4613 lgrp_parents_walk_init, lgrp_parents_walk_step, NULL },
4614 { "lgrp_rsrc_mem", "walk lgroup memory resources of given lgroup",
4615 lgrp_rsrc_mem_walk_init, lgrp_set_walk_step, NULL },
4616 { "lgrp_rsrc_cpu", "walk lgroup CPU resources of given lgroup",
4617 lgrp_rsrc_cpu_walk_init, lgrp_set_walk_step, NULL },
4618
4619 /* from list.c */
4620 { LIST_WALK_NAME, LIST_WALK_DESC,
4621 list_walk_init, list_walk_step, list_walk_fini },
4622
4623 /* from mdi.c */
4624 { "mdipi_client_list", "Walker for mdi_pathinfo pi_client_link",
4625 mdi_pi_client_link_walk_init,
4626 mdi_pi_client_link_walk_step,
4627 mdi_pi_client_link_walk_fini },
4628 { "mdipi_phci_list", "Walker for mdi_pathinfo pi_phci_link",
4629 mdi_pi_phci_link_walk_init,
4630 mdi_pi_phci_link_walk_step,
4631 mdi_pi_phci_link_walk_fini },
4632 { "mdiphci_list", "Walker for mdi_phci ph_next link",
4633 mdi_phci_ph_next_walk_init,
4634 mdi_phci_ph_next_walk_step,
4635 mdi_phci_ph_next_walk_fini },
4636
4637 /* from memory.c */
4638 { "allpages", "walk all pages, including free pages",
4639 allpages_walk_init, allpages_walk_step, allpages_walk_fini },
4640 { "anon", "given an amp, list allocated anon structures",
4641 anon_walk_init, anon_walk_step, anon_walk_fini,
4642 ANON_WALK_ALLOC },
4643 { "anon_all", "given an amp, list contents of all anon slots",
4644 anon_walk_init, anon_walk_step, anon_walk_fini,
4645 ANON_WALK_ALL },
4646 { "memlist", "walk specified memlist",
4647 NULL, memlist_walk_step, NULL },
4648 { "page", "walk all pages, or those from the specified vnode",
4649 page_walk_init, page_walk_step, page_walk_fini },
4650 { "seg", "given an as, list of segments",
4651 seg_walk_init, avl_walk_step, avl_walk_fini },
4652 { "segvn_anon",
4653 "given a struct segvn_data, list allocated anon structures",
4654 segvn_anon_walk_init, anon_walk_step, anon_walk_fini,
4655 ANON_WALK_ALLOC },
4656 { "segvn_anon_all",
4657 "given a struct segvn_data, list contents of all anon slots",
4658 segvn_anon_walk_init, anon_walk_step, anon_walk_fini,
4659 ANON_WALK_ALL },
4660 { "segvn_pages",
4661 "given a struct segvn_data, list resident pages in "
4662 "offset order",
4663 segvn_pages_walk_init, segvn_pages_walk_step,
4664 segvn_pages_walk_fini, SEGVN_PAGES_RESIDENT },
4665 { "segvn_pages_all",
4666 "for each offset in a struct segvn_data, give page_t pointer "
4667 "(if resident), or NULL.",
4668 segvn_pages_walk_init, segvn_pages_walk_step,
4669 segvn_pages_walk_fini, SEGVN_PAGES_ALL },
4670 { "swapinfo", "walk swapinfo structures",
4671 swap_walk_init, swap_walk_step, NULL },
4672
4673 /* from mmd.c */
4674 { "pattr", "walk pattr_t structures", pattr_walk_init,
4675 mmdq_walk_step, mmdq_walk_fini },
4676 { "pdesc", "walk pdesc_t structures",
4677 pdesc_walk_init, mmdq_walk_step, mmdq_walk_fini },
4678 { "pdesc_slab", "walk pdesc_slab_t structures",
4679 pdesc_slab_walk_init, mmdq_walk_step, mmdq_walk_fini },
4680
4681 /* from modhash.c */
4682 { "modhash", "walk list of mod_hash structures", modhash_walk_init,
4683 modhash_walk_step, NULL },
4684 { "modent", "walk list of entries in a given mod_hash",
4685 modent_walk_init, modent_walk_step, modent_walk_fini },
4686 { "modchain", "walk list of entries in a given mod_hash_entry",
4687 NULL, modchain_walk_step, NULL },
4688
4689 /* from net.c */
4690 { "icmp", "walk ICMP control structures using MI for all stacks",
4691 mi_payload_walk_init, mi_payload_walk_step, NULL,
4692 &mi_icmp_arg },
4693 { "mi", "given a MI_O, walk the MI",
4694 mi_walk_init, mi_walk_step, mi_walk_fini, NULL },
4695 { "sonode", "given a sonode, walk its children",
4696 sonode_walk_init, sonode_walk_step, sonode_walk_fini, NULL },
4697 { "icmp_stacks", "walk all the icmp_stack_t",
4698 icmp_stacks_walk_init, icmp_stacks_walk_step, NULL },
4699 { "tcp_stacks", "walk all the tcp_stack_t",
4700 tcp_stacks_walk_init, tcp_stacks_walk_step, NULL },
4701 { "udp_stacks", "walk all the udp_stack_t",
4702 udp_stacks_walk_init, udp_stacks_walk_step, NULL },
4703
4704 /* from netstack.c */
4705 { "netstack", "walk a list of kernel netstacks",
4706 netstack_walk_init, netstack_walk_step, NULL },
4707
4708 /* from nvpair.c */
4709 { NVPAIR_WALKER_NAME, NVPAIR_WALKER_DESCR,
4710 nvpair_walk_init, nvpair_walk_step, NULL },
4711
4712 /* from rctl.c */
4713 { "rctl_dict_list", "walk all rctl_dict_entry_t's from rctl_lists",
4714 rctl_dict_walk_init, rctl_dict_walk_step, NULL },
4715 { "rctl_set", "given a rctl_set, walk all rctls", rctl_set_walk_init,
4716 rctl_set_walk_step, NULL },
4717 { "rctl_val", "given a rctl_t, walk all rctl_val entries associated",
4718 rctl_val_walk_init, rctl_val_walk_step },
4719
4720 /* from sobj.c */
4721 { "blocked", "walk threads blocked on a given sobj",
4722 blocked_walk_init, blocked_walk_step, NULL },
4723 { "wchan", "given a wchan, list of blocked threads",
4724 wchan_walk_init, wchan_walk_step, wchan_walk_fini },
4725
4726 /* from stream.c */
4727 { "b_cont", "walk mblk_t list using b_cont",
4728 mblk_walk_init, b_cont_step, mblk_walk_fini },
4729 { "b_next", "walk mblk_t list using b_next",
4730 mblk_walk_init, b_next_step, mblk_walk_fini },
4731 { "qlink", "walk queue_t list using q_link",
4732 queue_walk_init, queue_link_step, queue_walk_fini },
4733 { "qnext", "walk queue_t list using q_next",
4734 queue_walk_init, queue_next_step, queue_walk_fini },
4735 { "strftblk", "given a dblk_t, walk STREAMS flow trace event list",
4736 strftblk_walk_init, strftblk_step, strftblk_walk_fini },
4737 { "readq", "walk read queue side of stdata",
4738 str_walk_init, strr_walk_step, str_walk_fini },
4739 { "writeq", "walk write queue side of stdata",
4740 str_walk_init, strw_walk_step, str_walk_fini },
4741
4742 /* from taskq.c */
4743 { "taskq_thread", "given a taskq_t, list all of its threads",
4744 taskq_thread_walk_init,
4745 taskq_thread_walk_step,
4746 taskq_thread_walk_fini },
4747 { "taskq_entry", "given a taskq_t*, list all taskq_ent_t in the list",
4748 taskq_ent_walk_init, taskq_ent_walk_step, NULL },
4749
4750 /* from thread.c */
4751 { "deathrow", "walk threads on both lwp_ and thread_deathrow",
4752 deathrow_walk_init, deathrow_walk_step, NULL },
4753 { "cpu_dispq", "given a cpu_t, walk threads in dispatcher queues",
4754 cpu_dispq_walk_init, dispq_walk_step, dispq_walk_fini },
4755 { "cpupart_dispq",
4756 "given a cpupart_t, walk threads in dispatcher queues",
4757 cpupart_dispq_walk_init, dispq_walk_step, dispq_walk_fini },
4758 { "lwp_deathrow", "walk lwp_deathrow",
4759 lwp_deathrow_walk_init, deathrow_walk_step, NULL },
4760 { "thread", "global or per-process kthread_t structures",
4761 thread_walk_init, thread_walk_step, thread_walk_fini },
4762 { "thread_deathrow", "walk threads on thread_deathrow",
4763 thread_deathrow_walk_init, deathrow_walk_step, NULL },
4764
4765 /* from tsd.c */
4766 { "tsd", "walk list of thread-specific data",
4767 tsd_walk_init, tsd_walk_step, tsd_walk_fini },
4768
4769 /*
4770 * typegraph does not work under kmdb, as it requires too much memory
4771 * for its internal data structures.
4772 */
4773 #ifndef _KMDB
4774 /* from typegraph.c */
4775 { "typeconflict", "walk buffers with conflicting type inferences",
4776 typegraph_walk_init, typeconflict_walk_step },
4777 { "typeunknown", "walk buffers with unknown types",
4778 typegraph_walk_init, typeunknown_walk_step },
4779 #endif
4780
4781 /* from vfs.c */
4782 { "vfs", "walk file system list",
4783 vfs_walk_init, vfs_walk_step },
4784
4785 /* from zone.c */
4786 { "zone", "walk a list of kernel zones",
4787 zone_walk_init, zone_walk_step, NULL },
4788 { "zsd", "walk list of zsd entries for a zone",
4789 zsd_walk_init, zsd_walk_step, NULL },
4790
4791 { NULL }
4792 };
4793
4794 static const mdb_modinfo_t modinfo = { MDB_API_VERSION, dcmds, walkers };
4795
4796 /*ARGSUSED*/
4797 static void
4798 genunix_statechange_cb(void *ignored)
4799 {
4800 /*
4801 * Force ::findleaks and ::stacks to let go any cached state.
4802 */
4803 leaky_cleanup(1);
4804 stacks_cleanup(1);
4805
4806 kmem_statechange(); /* notify kmem */
4807 }
4808
4809 const mdb_modinfo_t *
4810 _mdb_init(void)
4811 {
4812 kmem_init();
4813
4814 (void) mdb_callback_add(MDB_CALLBACK_STCHG,
4815 genunix_statechange_cb, NULL);
4816
4817 #ifndef _KMDB
4818 gcore_init();
4819 #endif
4820
4821 return (&modinfo);
4822 }
4823
4824 void
4825 _mdb_fini(void)
4826 {
4827 leaky_cleanup(1);
4828 stacks_cleanup(1);
4829 }
Unleashed OS