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8158 Want named threads API
[unleashed.git] / usr / src / cmd / mdb / common / modules / genunix / genunix.c
blob719206065b77b4a716a8283e247830df20556530
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 (c) 2018, 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 "tsol.h"
107 #include "typegraph.h"
108 #include "vfs.h"
109 #include "zone.h"
110 #include "hotplug.h"
111
112 /*
113 * Surely this is defined somewhere...
114 */
115 #define NINTR 16
116
117 #define KILOS 10
118 #define MEGS 20
119 #define GIGS 30
120
121 #ifndef STACK_BIAS
122 #define STACK_BIAS 0
123 #endif
124
125 static char
126 pstat2ch(uchar_t state)
127 {
128 switch (state) {
129 case SSLEEP: return ('S');
130 case SRUN: return ('R');
131 case SZOMB: return ('Z');
132 case SIDL: return ('I');
133 case SONPROC: return ('O');
134 case SSTOP: return ('T');
135 case SWAIT: return ('W');
136 default: return ('?');
137 }
138 }
139
140 #define PS_PRTTHREADS 0x1
141 #define PS_PRTLWPS 0x2
142 #define PS_PSARGS 0x4
143 #define PS_TASKS 0x8
144 #define PS_PROJECTS 0x10
145 #define PS_ZONES 0x20
146
147 static int
148 ps_threadprint(uintptr_t addr, const void *data, void *private)
149 {
150 const kthread_t *t = (const kthread_t *)data;
151 uint_t prt_flags = *((uint_t *)private);
152
153 static const mdb_bitmask_t t_state_bits[] = {
154 { "TS_FREE", UINT_MAX, TS_FREE },
155 { "TS_SLEEP", TS_SLEEP, TS_SLEEP },
156 { "TS_RUN", TS_RUN, TS_RUN },
157 { "TS_ONPROC", TS_ONPROC, TS_ONPROC },
158 { "TS_ZOMB", TS_ZOMB, TS_ZOMB },
159 { "TS_STOPPED", TS_STOPPED, TS_STOPPED },
160 { "TS_WAIT", TS_WAIT, TS_WAIT },
161 { NULL, 0, 0 }
162 };
163
164 if (prt_flags & PS_PRTTHREADS)
165 mdb_printf("\tT %?a <%b>\n", addr, t->t_state, t_state_bits);
166
167 if (prt_flags & PS_PRTLWPS) {
168 char desc[128] = "";
169
170 (void) thread_getdesc(addr, B_FALSE, desc, sizeof (desc));
171
172 mdb_printf("\tL %?a ID: %s\n", t->t_lwp, desc);
173 }
174
175 return (WALK_NEXT);
176 }
177
178 typedef struct mdb_pflags_proc {
179 struct pid *p_pidp;
180 ushort_t p_pidflag;
181 uint_t p_proc_flag;
182 uint_t p_flag;
183 } mdb_pflags_proc_t;
184
185 static int
186 pflags(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
187 {
188 mdb_pflags_proc_t pr;
189 struct pid pid;
190
191 static const mdb_bitmask_t p_flag_bits[] = {
192 { "SSYS", SSYS, SSYS },
193 { "SEXITING", SEXITING, SEXITING },
194 { "SITBUSY", SITBUSY, SITBUSY },
195 { "SFORKING", SFORKING, SFORKING },
196 { "SWATCHOK", SWATCHOK, SWATCHOK },
197 { "SKILLED", SKILLED, SKILLED },
198 { "SSCONT", SSCONT, SSCONT },
199 { "SZONETOP", SZONETOP, SZONETOP },
200 { "SEXTKILLED", SEXTKILLED, SEXTKILLED },
201 { "SUGID", SUGID, SUGID },
202 { "SEXECED", SEXECED, SEXECED },
203 { "SJCTL", SJCTL, SJCTL },
204 { "SNOWAIT", SNOWAIT, SNOWAIT },
205 { "SVFORK", SVFORK, SVFORK },
206 { "SVFWAIT", SVFWAIT, SVFWAIT },
207 { "SEXITLWPS", SEXITLWPS, SEXITLWPS },
208 { "SHOLDFORK", SHOLDFORK, SHOLDFORK },
209 { "SHOLDFORK1", SHOLDFORK1, SHOLDFORK1 },
210 { "SCOREDUMP", SCOREDUMP, SCOREDUMP },
211 { "SMSACCT", SMSACCT, SMSACCT },
212 { "SLWPWRAP", SLWPWRAP, SLWPWRAP },
213 { "SAUTOLPG", SAUTOLPG, SAUTOLPG },
214 { "SNOCD", SNOCD, SNOCD },
215 { "SHOLDWATCH", SHOLDWATCH, SHOLDWATCH },
216 { "SMSFORK", SMSFORK, SMSFORK },
217 { "SDOCORE", SDOCORE, SDOCORE },
218 { NULL, 0, 0 }
219 };
220
221 static const mdb_bitmask_t p_pidflag_bits[] = {
222 { "CLDPEND", CLDPEND, CLDPEND },
223 { "CLDCONT", CLDCONT, CLDCONT },
224 { "CLDNOSIGCHLD", CLDNOSIGCHLD, CLDNOSIGCHLD },
225 { "CLDWAITPID", CLDWAITPID, CLDWAITPID },
226 { NULL, 0, 0 }
227 };
228
229 static const mdb_bitmask_t p_proc_flag_bits[] = {
230 { "P_PR_TRACE", P_PR_TRACE, P_PR_TRACE },
231 { "P_PR_PTRACE", P_PR_PTRACE, P_PR_PTRACE },
232 { "P_PR_FORK", P_PR_FORK, P_PR_FORK },
233 { "P_PR_LOCK", P_PR_LOCK, P_PR_LOCK },
234 { "P_PR_ASYNC", P_PR_ASYNC, P_PR_ASYNC },
235 { "P_PR_EXEC", P_PR_EXEC, P_PR_EXEC },
236 { "P_PR_BPTADJ", P_PR_BPTADJ, P_PR_BPTADJ },
237 { "P_PR_RUNLCL", P_PR_RUNLCL, P_PR_RUNLCL },
238 { "P_PR_KILLCL", P_PR_KILLCL, P_PR_KILLCL },
239 { NULL, 0, 0 }
240 };
241
242 if (!(flags & DCMD_ADDRSPEC)) {
243 if (mdb_walk_dcmd("proc", "pflags", argc, argv) == -1) {
244 mdb_warn("can't walk 'proc'");
245 return (DCMD_ERR);
246 }
247 return (DCMD_OK);
248 }
249
250 if (mdb_ctf_vread(&pr, "proc_t", "mdb_pflags_proc_t", addr, 0) == -1 ||
251 mdb_vread(&pid, sizeof (pid), (uintptr_t)pr.p_pidp) == -1) {
252 mdb_warn("cannot read proc_t or pid");
253 return (DCMD_ERR);
254 }
255
256 mdb_printf("%p [pid %d]:\n", addr, pid.pid_id);
257 mdb_printf("\tp_flag: %08x <%b>\n", pr.p_flag, pr.p_flag,
258 p_flag_bits);
259 mdb_printf("\tp_pidflag: %08x <%b>\n", pr.p_pidflag, pr.p_pidflag,
260 p_pidflag_bits);
261 mdb_printf("\tp_proc_flag: %08x <%b>\n", pr.p_proc_flag, pr.p_proc_flag,
262 p_proc_flag_bits);
263
264 return (DCMD_OK);
265 }
266
267 typedef struct mdb_ps_proc {
268 char p_stat;
269 struct pid *p_pidp;
270 struct pid *p_pgidp;
271 struct cred *p_cred;
272 struct sess *p_sessp;
273 struct task *p_task;
274 struct zone *p_zone;
275 pid_t p_ppid;
276 uint_t p_flag;
277 struct {
278 char u_comm[MAXCOMLEN + 1];
279 char u_psargs[PSARGSZ];
280 } p_user;
281 } mdb_ps_proc_t;
282
283 int
284 ps(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
285 {
286 uint_t prt_flags = 0;
287 mdb_ps_proc_t pr;
288 struct pid pid, pgid, sid;
289 sess_t session;
290 cred_t cred;
291 task_t tk;
292 kproject_t pj;
293 zone_t zn;
294
295 if (!(flags & DCMD_ADDRSPEC)) {
296 if (mdb_walk_dcmd("proc", "ps", argc, argv) == -1) {
297 mdb_warn("can't walk 'proc'");
298 return (DCMD_ERR);
299 }
300 return (DCMD_OK);
301 }
302
303 if (mdb_getopts(argc, argv,
304 'f', MDB_OPT_SETBITS, PS_PSARGS, &prt_flags,
305 'l', MDB_OPT_SETBITS, PS_PRTLWPS, &prt_flags,
306 'T', MDB_OPT_SETBITS, PS_TASKS, &prt_flags,
307 'P', MDB_OPT_SETBITS, PS_PROJECTS, &prt_flags,
308 'z', MDB_OPT_SETBITS, PS_ZONES, &prt_flags,
309 't', MDB_OPT_SETBITS, PS_PRTTHREADS, &prt_flags, NULL) != argc)
310 return (DCMD_USAGE);
311
312 if (DCMD_HDRSPEC(flags)) {
313 mdb_printf("%<u>%1s %6s %6s %6s %6s ",
314 "S", "PID", "PPID", "PGID", "SID");
315 if (prt_flags & PS_TASKS)
316 mdb_printf("%5s ", "TASK");
317 if (prt_flags & PS_PROJECTS)
318 mdb_printf("%5s ", "PROJ");
319 if (prt_flags & PS_ZONES)
320 mdb_printf("%5s ", "ZONE");
321 mdb_printf("%6s %10s %?s %s%</u>\n",
322 "UID", "FLAGS", "ADDR", "NAME");
323 }
324
325 if (mdb_ctf_vread(&pr, "proc_t", "mdb_ps_proc_t", addr, 0) == -1)
326 return (DCMD_ERR);
327
328 mdb_vread(&pid, sizeof (pid), (uintptr_t)pr.p_pidp);
329 mdb_vread(&pgid, sizeof (pgid), (uintptr_t)pr.p_pgidp);
330 mdb_vread(&cred, sizeof (cred), (uintptr_t)pr.p_cred);
331 mdb_vread(&session, sizeof (session), (uintptr_t)pr.p_sessp);
332 mdb_vread(&sid, sizeof (sid), (uintptr_t)session.s_sidp);
333 if (prt_flags & (PS_TASKS | PS_PROJECTS))
334 mdb_vread(&tk, sizeof (tk), (uintptr_t)pr.p_task);
335 if (prt_flags & PS_PROJECTS)
336 mdb_vread(&pj, sizeof (pj), (uintptr_t)tk.tk_proj);
337 if (prt_flags & PS_ZONES)
338 mdb_vread(&zn, sizeof (zn), (uintptr_t)pr.p_zone);
339
340 mdb_printf("%c %6d %6d %6d %6d ",
341 pstat2ch(pr.p_stat), pid.pid_id, pr.p_ppid, pgid.pid_id,
342 sid.pid_id);
343 if (prt_flags & PS_TASKS)
344 mdb_printf("%5d ", tk.tk_tkid);
345 if (prt_flags & PS_PROJECTS)
346 mdb_printf("%5d ", pj.kpj_id);
347 if (prt_flags & PS_ZONES)
348 mdb_printf("%5d ", zn.zone_id);
349 mdb_printf("%6d 0x%08x %0?p %s\n",
350 cred.cr_uid, pr.p_flag, addr,
351 (prt_flags & PS_PSARGS) ? pr.p_user.u_psargs : pr.p_user.u_comm);
352
353 if (prt_flags & ~PS_PSARGS)
354 (void) mdb_pwalk("thread", ps_threadprint, &prt_flags, addr);
355
356 return (DCMD_OK);
357 }
358
359 #define PG_NEWEST 0x0001
360 #define PG_OLDEST 0x0002
361 #define PG_PIPE_OUT 0x0004
362 #define PG_EXACT_MATCH 0x0008
363
364 typedef struct pgrep_data {
365 uint_t pg_flags;
366 uint_t pg_psflags;
367 uintptr_t pg_xaddr;
368 hrtime_t pg_xstart;
369 const char *pg_pat;
370 #ifndef _KMDB
371 regex_t pg_reg;
372 #endif
373 } pgrep_data_t;
374
375 typedef struct mdb_pgrep_proc {
376 struct {
377 timestruc_t u_start;
378 char u_comm[MAXCOMLEN + 1];
379 } p_user;
380 } mdb_pgrep_proc_t;
381
382 /*ARGSUSED*/
383 static int
384 pgrep_cb(uintptr_t addr, const void *ignored, void *data)
385 {
386 mdb_pgrep_proc_t p;
387 pgrep_data_t *pgp = data;
388 #ifndef _KMDB
389 regmatch_t pmatch;
390 #endif
391
392 if (mdb_ctf_vread(&p, "proc_t", "mdb_pgrep_proc_t", addr, 0) == -1)
393 return (WALK_ERR);
394
395 /*
396 * kmdb doesn't have access to the reg* functions, so we fall back
397 * to strstr/strcmp.
398 */
399 #ifdef _KMDB
400 if ((pgp->pg_flags & PG_EXACT_MATCH) ?
401 (strcmp(p.p_user.u_comm, pgp->pg_pat) != 0) :
402 (strstr(p.p_user.u_comm, pgp->pg_pat) == NULL))
403 return (WALK_NEXT);
404 #else
405 if (regexec(&pgp->pg_reg, p.p_user.u_comm, 1, &pmatch, 0) != 0)
406 return (WALK_NEXT);
407
408 if ((pgp->pg_flags & PG_EXACT_MATCH) &&
409 (pmatch.rm_so != 0 || p.p_user.u_comm[pmatch.rm_eo] != '\0'))
410 return (WALK_NEXT);
411 #endif
412
413 if (pgp->pg_flags & (PG_NEWEST | PG_OLDEST)) {
414 hrtime_t start;
415
416 start = (hrtime_t)p.p_user.u_start.tv_sec * NANOSEC +
417 p.p_user.u_start.tv_nsec;
418
419 if (pgp->pg_flags & PG_NEWEST) {
420 if (pgp->pg_xaddr == NULL || start > pgp->pg_xstart) {
421 pgp->pg_xaddr = addr;
422 pgp->pg_xstart = start;
423 }
424 } else {
425 if (pgp->pg_xaddr == NULL || start < pgp->pg_xstart) {
426 pgp->pg_xaddr = addr;
427 pgp->pg_xstart = start;
428 }
429 }
430
431 } else if (pgp->pg_flags & PG_PIPE_OUT) {
432 mdb_printf("%p\n", addr);
433
434 } else {
435 if (mdb_call_dcmd("ps", addr, pgp->pg_psflags, 0, NULL) != 0) {
436 mdb_warn("can't invoke 'ps'");
437 return (WALK_DONE);
438 }
439 pgp->pg_psflags &= ~DCMD_LOOPFIRST;
440 }
441
442 return (WALK_NEXT);
443 }
444
445 /*ARGSUSED*/
446 int
447 pgrep(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
448 {
449 pgrep_data_t pg;
450 int i;
451 #ifndef _KMDB
452 int err;
453 #endif
454
455 if (flags & DCMD_ADDRSPEC)
456 return (DCMD_USAGE);
457
458 pg.pg_flags = 0;
459 pg.pg_xaddr = 0;
460
461 i = mdb_getopts(argc, argv,
462 'n', MDB_OPT_SETBITS, PG_NEWEST, &pg.pg_flags,
463 'o', MDB_OPT_SETBITS, PG_OLDEST, &pg.pg_flags,
464 'x', MDB_OPT_SETBITS, PG_EXACT_MATCH, &pg.pg_flags,
465 NULL);
466
467 argc -= i;
468 argv += i;
469
470 if (argc != 1)
471 return (DCMD_USAGE);
472
473 /*
474 * -n and -o are mutually exclusive.
475 */
476 if ((pg.pg_flags & PG_NEWEST) && (pg.pg_flags & PG_OLDEST))
477 return (DCMD_USAGE);
478
479 if (argv->a_type != MDB_TYPE_STRING)
480 return (DCMD_USAGE);
481
482 if (flags & DCMD_PIPE_OUT)
483 pg.pg_flags |= PG_PIPE_OUT;
484
485 pg.pg_pat = argv->a_un.a_str;
486 if (DCMD_HDRSPEC(flags))
487 pg.pg_psflags = DCMD_ADDRSPEC | DCMD_LOOP | DCMD_LOOPFIRST;
488 else
489 pg.pg_psflags = DCMD_ADDRSPEC | DCMD_LOOP;
490
491 #ifndef _KMDB
492 if ((err = regcomp(&pg.pg_reg, pg.pg_pat, REG_EXTENDED)) != 0) {
493 size_t nbytes;
494 char *buf;
495
496 nbytes = regerror(err, &pg.pg_reg, NULL, 0);
497 buf = mdb_alloc(nbytes + 1, UM_SLEEP | UM_GC);
498 (void) regerror(err, &pg.pg_reg, buf, nbytes);
499 mdb_warn("%s\n", buf);
500
501 return (DCMD_ERR);
502 }
503 #endif
504
505 if (mdb_walk("proc", pgrep_cb, &pg) != 0) {
506 mdb_warn("can't walk 'proc'");
507 return (DCMD_ERR);
508 }
509
510 if (pg.pg_xaddr != 0 && (pg.pg_flags & (PG_NEWEST | PG_OLDEST))) {
511 if (pg.pg_flags & PG_PIPE_OUT) {
512 mdb_printf("%p\n", pg.pg_xaddr);
513 } else {
514 if (mdb_call_dcmd("ps", pg.pg_xaddr, pg.pg_psflags,
515 0, NULL) != 0) {
516 mdb_warn("can't invoke 'ps'");
517 return (DCMD_ERR);
518 }
519 }
520 }
521
522 return (DCMD_OK);
523 }
524
525 int
526 task(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
527 {
528 task_t tk;
529 kproject_t pj;
530
531 if (!(flags & DCMD_ADDRSPEC)) {
532 if (mdb_walk_dcmd("task_cache", "task", argc, argv) == -1) {
533 mdb_warn("can't walk task_cache");
534 return (DCMD_ERR);
535 }
536 return (DCMD_OK);
537 }
538 if (DCMD_HDRSPEC(flags)) {
539 mdb_printf("%<u>%?s %6s %6s %6s %6s %10s%</u>\n",
540 "ADDR", "TASKID", "PROJID", "ZONEID", "REFCNT", "FLAGS");
541 }
542 if (mdb_vread(&tk, sizeof (task_t), addr) == -1) {
543 mdb_warn("can't read task_t structure at %p", addr);
544 return (DCMD_ERR);
545 }
546 if (mdb_vread(&pj, sizeof (kproject_t), (uintptr_t)tk.tk_proj) == -1) {
547 mdb_warn("can't read project_t structure at %p", addr);
548 return (DCMD_ERR);
549 }
550 mdb_printf("%0?p %6d %6d %6d %6u 0x%08x\n",
551 addr, tk.tk_tkid, pj.kpj_id, pj.kpj_zoneid, tk.tk_hold_count,
552 tk.tk_flags);
553 return (DCMD_OK);
554 }
555
556 int
557 project(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
558 {
559 kproject_t pj;
560
561 if (!(flags & DCMD_ADDRSPEC)) {
562 if (mdb_walk_dcmd("projects", "project", argc, argv) == -1) {
563 mdb_warn("can't walk projects");
564 return (DCMD_ERR);
565 }
566 return (DCMD_OK);
567 }
568 if (DCMD_HDRSPEC(flags)) {
569 mdb_printf("%<u>%?s %6s %6s %6s%</u>\n",
570 "ADDR", "PROJID", "ZONEID", "REFCNT");
571 }
572 if (mdb_vread(&pj, sizeof (kproject_t), addr) == -1) {
573 mdb_warn("can't read kproject_t structure at %p", addr);
574 return (DCMD_ERR);
575 }
576 mdb_printf("%0?p %6d %6d %6u\n", addr, pj.kpj_id, pj.kpj_zoneid,
577 pj.kpj_count);
578 return (DCMD_OK);
579 }
580
581 /* walk callouts themselves, either by list or id hash. */
582 int
583 callout_walk_init(mdb_walk_state_t *wsp)
584 {
585 if (wsp->walk_addr == NULL) {
586 mdb_warn("callout doesn't support global walk");
587 return (WALK_ERR);
588 }
589 wsp->walk_data = mdb_alloc(sizeof (callout_t), UM_SLEEP);
590 return (WALK_NEXT);
591 }
592
593 #define CALLOUT_WALK_BYLIST 0
594 #define CALLOUT_WALK_BYID 1
595
596 /* the walker arg switches between walking by list (0) and walking by id (1). */
597 int
598 callout_walk_step(mdb_walk_state_t *wsp)
599 {
600 int retval;
601
602 if (wsp->walk_addr == NULL) {
603 return (WALK_DONE);
604 }
605 if (mdb_vread(wsp->walk_data, sizeof (callout_t),
606 wsp->walk_addr) == -1) {
607 mdb_warn("failed to read callout at %p", wsp->walk_addr);
608 return (WALK_DONE);
609 }
610 retval = wsp->walk_callback(wsp->walk_addr, wsp->walk_data,
611 wsp->walk_cbdata);
612
613 if ((ulong_t)wsp->walk_arg == CALLOUT_WALK_BYID) {
614 wsp->walk_addr =
615 (uintptr_t)(((callout_t *)wsp->walk_data)->c_idnext);
616 } else {
617 wsp->walk_addr =
618 (uintptr_t)(((callout_t *)wsp->walk_data)->c_clnext);
619 }
620
621 return (retval);
622 }
623
624 void
625 callout_walk_fini(mdb_walk_state_t *wsp)
626 {
627 mdb_free(wsp->walk_data, sizeof (callout_t));
628 }
629
630 /*
631 * walker for callout lists. This is different from hashes and callouts.
632 * Thankfully, it's also simpler.
633 */
634 int
635 callout_list_walk_init(mdb_walk_state_t *wsp)
636 {
637 if (wsp->walk_addr == NULL) {
638 mdb_warn("callout list doesn't support global walk");
639 return (WALK_ERR);
640 }
641 wsp->walk_data = mdb_alloc(sizeof (callout_list_t), UM_SLEEP);
642 return (WALK_NEXT);
643 }
644
645 int
646 callout_list_walk_step(mdb_walk_state_t *wsp)
647 {
648 int retval;
649
650 if (wsp->walk_addr == NULL) {
651 return (WALK_DONE);
652 }
653 if (mdb_vread(wsp->walk_data, sizeof (callout_list_t),
654 wsp->walk_addr) != sizeof (callout_list_t)) {
655 mdb_warn("failed to read callout_list at %p", wsp->walk_addr);
656 return (WALK_ERR);
657 }
658 retval = wsp->walk_callback(wsp->walk_addr, wsp->walk_data,
659 wsp->walk_cbdata);
660
661 wsp->walk_addr = (uintptr_t)
662 (((callout_list_t *)wsp->walk_data)->cl_next);
663
664 return (retval);
665 }
666
667 void
668 callout_list_walk_fini(mdb_walk_state_t *wsp)
669 {
670 mdb_free(wsp->walk_data, sizeof (callout_list_t));
671 }
672
673 /* routines/structs to walk callout table(s) */
674 typedef struct cot_data {
675 callout_table_t *ct0;
676 callout_table_t ct;
677 callout_hash_t cot_idhash[CALLOUT_BUCKETS];
678 callout_hash_t cot_clhash[CALLOUT_BUCKETS];
679 kstat_named_t ct_kstat_data[CALLOUT_NUM_STATS];
680 int cotndx;
681 int cotsize;
682 } cot_data_t;
683
684 int
685 callout_table_walk_init(mdb_walk_state_t *wsp)
686 {
687 int max_ncpus;
688 cot_data_t *cot_walk_data;
689
690 cot_walk_data = mdb_alloc(sizeof (cot_data_t), UM_SLEEP);
691
692 if (wsp->walk_addr == NULL) {
693 if (mdb_readvar(&cot_walk_data->ct0, "callout_table") == -1) {
694 mdb_warn("failed to read 'callout_table'");
695 return (WALK_ERR);
696 }
697 if (mdb_readvar(&max_ncpus, "max_ncpus") == -1) {
698 mdb_warn("failed to get callout_table array size");
699 return (WALK_ERR);
700 }
701 cot_walk_data->cotsize = CALLOUT_NTYPES * max_ncpus;
702 wsp->walk_addr = (uintptr_t)cot_walk_data->ct0;
703 } else {
704 /* not a global walk */
705 cot_walk_data->cotsize = 1;
706 }
707
708 cot_walk_data->cotndx = 0;
709 wsp->walk_data = cot_walk_data;
710
711 return (WALK_NEXT);
712 }
713
714 int
715 callout_table_walk_step(mdb_walk_state_t *wsp)
716 {
717 int retval;
718 cot_data_t *cotwd = (cot_data_t *)wsp->walk_data;
719 size_t size;
720
721 if (cotwd->cotndx >= cotwd->cotsize) {
722 return (WALK_DONE);
723 }
724 if (mdb_vread(&(cotwd->ct), sizeof (callout_table_t),
725 wsp->walk_addr) != sizeof (callout_table_t)) {
726 mdb_warn("failed to read callout_table at %p", wsp->walk_addr);
727 return (WALK_ERR);
728 }
729
730 size = sizeof (callout_hash_t) * CALLOUT_BUCKETS;
731 if (cotwd->ct.ct_idhash != NULL) {
732 if (mdb_vread(cotwd->cot_idhash, size,
733 (uintptr_t)(cotwd->ct.ct_idhash)) != size) {
734 mdb_warn("failed to read id_hash at %p",
735 cotwd->ct.ct_idhash);
736 return (WALK_ERR);
737 }
738 }
739 if (cotwd->ct.ct_clhash != NULL) {
740 if (mdb_vread(&(cotwd->cot_clhash), size,
741 (uintptr_t)cotwd->ct.ct_clhash) == -1) {
742 mdb_warn("failed to read cl_hash at %p",
743 cotwd->ct.ct_clhash);
744 return (WALK_ERR);
745 }
746 }
747 size = sizeof (kstat_named_t) * CALLOUT_NUM_STATS;
748 if (cotwd->ct.ct_kstat_data != NULL) {
749 if (mdb_vread(&(cotwd->ct_kstat_data), size,
750 (uintptr_t)cotwd->ct.ct_kstat_data) == -1) {
751 mdb_warn("failed to read kstats at %p",
752 cotwd->ct.ct_kstat_data);
753 return (WALK_ERR);
754 }
755 }
756 retval = wsp->walk_callback(wsp->walk_addr, (void *)cotwd,
757 wsp->walk_cbdata);
758
759 cotwd->cotndx++;
760 if (cotwd->cotndx >= cotwd->cotsize) {
761 return (WALK_DONE);
762 }
763 wsp->walk_addr = (uintptr_t)((char *)wsp->walk_addr +
764 sizeof (callout_table_t));
765
766 return (retval);
767 }
768
769 void
770 callout_table_walk_fini(mdb_walk_state_t *wsp)
771 {
772 mdb_free(wsp->walk_data, sizeof (cot_data_t));
773 }
774
775 static const char *co_typenames[] = { "R", "N" };
776
777 #define CO_PLAIN_ID(xid) ((xid) & CALLOUT_ID_MASK)
778
779 #define TABLE_TO_SEQID(x) ((x) >> CALLOUT_TYPE_BITS)
780
781 /* callout flags, in no particular order */
782 #define COF_REAL 0x00000001
783 #define COF_NORM 0x00000002
784 #define COF_LONG 0x00000004
785 #define COF_SHORT 0x00000008
786 #define COF_EMPTY 0x00000010
787 #define COF_TIME 0x00000020
788 #define COF_BEFORE 0x00000040
789 #define COF_AFTER 0x00000080
790 #define COF_SEQID 0x00000100
791 #define COF_FUNC 0x00000200
792 #define COF_ADDR 0x00000400
793 #define COF_EXEC 0x00000800
794 #define COF_HIRES 0x00001000
795 #define COF_ABS 0x00002000
796 #define COF_TABLE 0x00004000
797 #define COF_BYIDH 0x00008000
798 #define COF_FREE 0x00010000
799 #define COF_LIST 0x00020000
800 #define COF_EXPREL 0x00040000
801 #define COF_HDR 0x00080000
802 #define COF_VERBOSE 0x00100000
803 #define COF_LONGLIST 0x00200000
804 #define COF_THDR 0x00400000
805 #define COF_LHDR 0x00800000
806 #define COF_CHDR 0x01000000
807 #define COF_PARAM 0x02000000
808 #define COF_DECODE 0x04000000
809 #define COF_HEAP 0x08000000
810 #define COF_QUEUE 0x10000000
811
812 /* show real and normal, short and long, expired and unexpired. */
813 #define COF_DEFAULT (COF_REAL | COF_NORM | COF_LONG | COF_SHORT)
814
815 #define COF_LIST_FLAGS \
816 (CALLOUT_LIST_FLAG_HRESTIME | CALLOUT_LIST_FLAG_ABSOLUTE)
817
818 /* private callout data for callback functions */
819 typedef struct callout_data {
820 uint_t flags; /* COF_* */
821 cpu_t *cpu; /* cpu pointer if given */
822 int seqid; /* cpu seqid, or -1 */
823 hrtime_t time; /* expiration time value */
824 hrtime_t atime; /* expiration before value */
825 hrtime_t btime; /* expiration after value */
826 uintptr_t funcaddr; /* function address or NULL */
827 uintptr_t param; /* parameter to function or NULL */
828 hrtime_t now; /* current system time */
829 int nsec_per_tick; /* for conversions */
830 ulong_t ctbits; /* for decoding xid */
831 callout_table_t *co_table; /* top of callout table array */
832 int ndx; /* table index. */
833 int bucket; /* which list/id bucket are we in */
834 hrtime_t exp; /* expire time */
835 int list_flags; /* copy of cl_flags */
836 } callout_data_t;
837
838 /* this callback does the actual callback itself (finally). */
839 /*ARGSUSED*/
840 static int
841 callouts_cb(uintptr_t addr, const void *data, void *priv)
842 {
843 callout_data_t *coargs = (callout_data_t *)priv;
844 callout_t *co = (callout_t *)data;
845 int tableid, list_flags;
846 callout_id_t coid;
847
848 if ((coargs == NULL) || (co == NULL)) {
849 return (WALK_ERR);
850 }
851
852 if ((coargs->flags & COF_FREE) && !(co->c_xid & CALLOUT_ID_FREE)) {
853 /*
854 * The callout must have been reallocated. No point in
855 * walking any more.
856 */
857 return (WALK_DONE);
858 }
859 if (!(coargs->flags & COF_FREE) && (co->c_xid & CALLOUT_ID_FREE)) {
860 /*
861 * The callout must have been freed. No point in
862 * walking any more.
863 */
864 return (WALK_DONE);
865 }
866 if ((coargs->flags & COF_FUNC) &&
867 (coargs->funcaddr != (uintptr_t)co->c_func)) {
868 return (WALK_NEXT);
869 }
870 if ((coargs->flags & COF_PARAM) &&
871 (coargs->param != (uintptr_t)co->c_arg)) {
872 return (WALK_NEXT);
873 }
874 if (!(coargs->flags & COF_LONG) && (co->c_xid & CALLOUT_LONGTERM)) {
875 return (WALK_NEXT);
876 }
877 if (!(coargs->flags & COF_SHORT) && !(co->c_xid & CALLOUT_LONGTERM)) {
878 return (WALK_NEXT);
879 }
880 if ((coargs->flags & COF_EXEC) && !(co->c_xid & CALLOUT_EXECUTING)) {
881 return (WALK_NEXT);
882 }
883 /* it is possible we don't have the exp time or flags */
884 if (coargs->flags & COF_BYIDH) {
885 if (!(coargs->flags & COF_FREE)) {
886 /* we have to fetch the expire time ourselves. */
887 if (mdb_vread(&coargs->exp, sizeof (hrtime_t),
888 (uintptr_t)co->c_list + offsetof(callout_list_t,
889 cl_expiration)) == -1) {
890 mdb_warn("failed to read expiration "
891 "time from %p", co->c_list);
892 coargs->exp = 0;
893 }
894 /* and flags. */
895 if (mdb_vread(&coargs->list_flags, sizeof (int),
896 (uintptr_t)co->c_list + offsetof(callout_list_t,
897 cl_flags)) == -1) {
898 mdb_warn("failed to read list flags"
899 "from %p", co->c_list);
900 coargs->list_flags = 0;
901 }
902 } else {
903 /* free callouts can't use list pointer. */
904 coargs->exp = 0;
905 coargs->list_flags = 0;
906 }
907 if (coargs->exp != 0) {
908 if ((coargs->flags & COF_TIME) &&
909 (coargs->exp != coargs->time)) {
910 return (WALK_NEXT);
911 }
912 if ((coargs->flags & COF_BEFORE) &&
913 (coargs->exp > coargs->btime)) {
914 return (WALK_NEXT);
915 }
916 if ((coargs->flags & COF_AFTER) &&
917 (coargs->exp < coargs->atime)) {
918 return (WALK_NEXT);
919 }
920 }
921 /* tricky part, since both HIRES and ABS can be set */
922 list_flags = coargs->list_flags;
923 if ((coargs->flags & COF_HIRES) && (coargs->flags & COF_ABS)) {
924 /* both flags are set, only skip "regular" ones */
925 if (! (list_flags & COF_LIST_FLAGS)) {
926 return (WALK_NEXT);
927 }
928 } else {
929 /* individual flags, or no flags */
930 if ((coargs->flags & COF_HIRES) &&
931 !(list_flags & CALLOUT_LIST_FLAG_HRESTIME)) {
932 return (WALK_NEXT);
933 }
934 if ((coargs->flags & COF_ABS) &&
935 !(list_flags & CALLOUT_LIST_FLAG_ABSOLUTE)) {
936 return (WALK_NEXT);
937 }
938 }
939 /*
940 * We do the checks for COF_HEAP and COF_QUEUE here only if we
941 * are traversing BYIDH. If the traversal is by callout list,
942 * we do this check in callout_list_cb() to be more
943 * efficient.
944 */
945 if ((coargs->flags & COF_HEAP) &&
946 !(list_flags & CALLOUT_LIST_FLAG_HEAPED)) {
947 return (WALK_NEXT);
948 }
949
950 if ((coargs->flags & COF_QUEUE) &&
951 !(list_flags & CALLOUT_LIST_FLAG_QUEUED)) {
952 return (WALK_NEXT);
953 }
954 }
955
956 #define callout_table_mask ((1 << coargs->ctbits) - 1)
957 tableid = CALLOUT_ID_TO_TABLE(co->c_xid);
958 #undef callout_table_mask
959 coid = CO_PLAIN_ID(co->c_xid);
960
961 if ((coargs->flags & COF_CHDR) && !(coargs->flags & COF_ADDR)) {
962 /*
963 * We need to print the headers. If walking by id, then
964 * the list header isn't printed, so we must include
965 * that info here.
966 */
967 if (!(coargs->flags & COF_VERBOSE)) {
968 mdb_printf("%<u>%3s %-1s %-14s %</u>",
969 "SEQ", "T", "EXP");
970 } else if (coargs->flags & COF_BYIDH) {
971 mdb_printf("%<u>%-14s %</u>", "EXP");
972 }
973 mdb_printf("%<u>%-4s %-?s %-20s%</u>",
974 "XHAL", "XID", "FUNC(ARG)");
975 if (coargs->flags & COF_LONGLIST) {
976 mdb_printf("%<u> %-?s %-?s %-?s %-?s%</u>",
977 "PREVID", "NEXTID", "PREVL", "NEXTL");
978 mdb_printf("%<u> %-?s %-4s %-?s%</u>",
979 "DONE", "UTOS", "THREAD");
980 }
981 mdb_printf("\n");
982 coargs->flags &= ~COF_CHDR;
983 coargs->flags |= (COF_THDR | COF_LHDR);
984 }
985
986 if (!(coargs->flags & COF_ADDR)) {
987 if (!(coargs->flags & COF_VERBOSE)) {
988 mdb_printf("%-3d %1s %-14llx ",
989 TABLE_TO_SEQID(tableid),
990 co_typenames[tableid & CALLOUT_TYPE_MASK],
991 (coargs->flags & COF_EXPREL) ?
992 coargs->exp - coargs->now : coargs->exp);
993 } else if (coargs->flags & COF_BYIDH) {
994 mdb_printf("%-14x ",
995 (coargs->flags & COF_EXPREL) ?
996 coargs->exp - coargs->now : coargs->exp);
997 }
998 list_flags = coargs->list_flags;
999 mdb_printf("%1s%1s%1s%1s %-?llx %a(%p)",
1000 (co->c_xid & CALLOUT_EXECUTING) ? "X" : " ",
1001 (list_flags & CALLOUT_LIST_FLAG_HRESTIME) ? "H" : " ",
1002 (list_flags & CALLOUT_LIST_FLAG_ABSOLUTE) ? "A" : " ",
1003 (co->c_xid & CALLOUT_LONGTERM) ? "L" : " ",
1004 (long long)coid, co->c_func, co->c_arg);
1005 if (coargs->flags & COF_LONGLIST) {
1006 mdb_printf(" %-?p %-?p %-?p %-?p",
1007 co->c_idprev, co->c_idnext, co->c_clprev,
1008 co->c_clnext);
1009 mdb_printf(" %-?p %-4d %-0?p",
1010 co->c_done, co->c_waiting, co->c_executor);
1011 }
1012 } else {
1013 /* address only */
1014 mdb_printf("%-0p", addr);
1015 }
1016 mdb_printf("\n");
1017 return (WALK_NEXT);
1018 }
1019
1020 /* this callback is for callout list handling. idhash is done by callout_t_cb */
1021 /*ARGSUSED*/
1022 static int
1023 callout_list_cb(uintptr_t addr, const void *data, void *priv)
1024 {
1025 callout_data_t *coargs = (callout_data_t *)priv;
1026 callout_list_t *cl = (callout_list_t *)data;
1027 callout_t *coptr;
1028 int list_flags;
1029
1030 if ((coargs == NULL) || (cl == NULL)) {
1031 return (WALK_ERR);
1032 }
1033
1034 coargs->exp = cl->cl_expiration;
1035 coargs->list_flags = cl->cl_flags;
1036 if ((coargs->flags & COF_FREE) &&
1037 !(cl->cl_flags & CALLOUT_LIST_FLAG_FREE)) {
1038 /*
1039 * The callout list must have been reallocated. No point in
1040 * walking any more.
1041 */
1042 return (WALK_DONE);
1043 }
1044 if (!(coargs->flags & COF_FREE) &&
1045 (cl->cl_flags & CALLOUT_LIST_FLAG_FREE)) {
1046 /*
1047 * The callout list must have been freed. No point in
1048 * walking any more.
1049 */
1050 return (WALK_DONE);
1051 }
1052 if ((coargs->flags & COF_TIME) &&
1053 (cl->cl_expiration != coargs->time)) {
1054 return (WALK_NEXT);
1055 }
1056 if ((coargs->flags & COF_BEFORE) &&
1057 (cl->cl_expiration > coargs->btime)) {
1058 return (WALK_NEXT);
1059 }
1060 if ((coargs->flags & COF_AFTER) &&
1061 (cl->cl_expiration < coargs->atime)) {
1062 return (WALK_NEXT);
1063 }
1064 if (!(coargs->flags & COF_EMPTY) &&
1065 (cl->cl_callouts.ch_head == NULL)) {
1066 return (WALK_NEXT);
1067 }
1068 /* FOUR cases, each different, !A!B, !AB, A!B, AB */
1069 if ((coargs->flags & COF_HIRES) && (coargs->flags & COF_ABS)) {
1070 /* both flags are set, only skip "regular" ones */
1071 if (! (cl->cl_flags & COF_LIST_FLAGS)) {
1072 return (WALK_NEXT);
1073 }
1074 } else {
1075 if ((coargs->flags & COF_HIRES) &&
1076 !(cl->cl_flags & CALLOUT_LIST_FLAG_HRESTIME)) {
1077 return (WALK_NEXT);
1078 }
1079 if ((coargs->flags & COF_ABS) &&
1080 !(cl->cl_flags & CALLOUT_LIST_FLAG_ABSOLUTE)) {
1081 return (WALK_NEXT);
1082 }
1083 }
1084
1085 if ((coargs->flags & COF_HEAP) &&
1086 !(coargs->list_flags & CALLOUT_LIST_FLAG_HEAPED)) {
1087 return (WALK_NEXT);
1088 }
1089
1090 if ((coargs->flags & COF_QUEUE) &&
1091 !(coargs->list_flags & CALLOUT_LIST_FLAG_QUEUED)) {
1092 return (WALK_NEXT);
1093 }
1094
1095 if ((coargs->flags & COF_LHDR) && !(coargs->flags & COF_ADDR) &&
1096 (coargs->flags & (COF_LIST | COF_VERBOSE))) {
1097 if (!(coargs->flags & COF_VERBOSE)) {
1098 /* don't be redundant again */
1099 mdb_printf("%<u>SEQ T %</u>");
1100 }
1101 mdb_printf("%<u>EXP HA BUCKET "
1102 "CALLOUTS %</u>");
1103
1104 if (coargs->flags & COF_LONGLIST) {
1105 mdb_printf("%<u> %-?s %-?s%</u>",
1106 "PREV", "NEXT");
1107 }
1108 mdb_printf("\n");
1109 coargs->flags &= ~COF_LHDR;
1110 coargs->flags |= (COF_THDR | COF_CHDR);
1111 }
1112 if (coargs->flags & (COF_LIST | COF_VERBOSE)) {
1113 if (!(coargs->flags & COF_ADDR)) {
1114 if (!(coargs->flags & COF_VERBOSE)) {
1115 mdb_printf("%3d %1s ",
1116 TABLE_TO_SEQID(coargs->ndx),
1117 co_typenames[coargs->ndx &
1118 CALLOUT_TYPE_MASK]);
1119 }
1120
1121 list_flags = coargs->list_flags;
1122 mdb_printf("%-14llx %1s%1s %-6d %-0?p ",
1123 (coargs->flags & COF_EXPREL) ?
1124 coargs->exp - coargs->now : coargs->exp,
1125 (list_flags & CALLOUT_LIST_FLAG_HRESTIME) ?
1126 "H" : " ",
1127 (list_flags & CALLOUT_LIST_FLAG_ABSOLUTE) ?
1128 "A" : " ",
1129 coargs->bucket, cl->cl_callouts.ch_head);
1130
1131 if (coargs->flags & COF_LONGLIST) {
1132 mdb_printf(" %-?p %-?p",
1133 cl->cl_prev, cl->cl_next);
1134 }
1135 } else {
1136 /* address only */
1137 mdb_printf("%-0p", addr);
1138 }
1139 mdb_printf("\n");
1140 if (coargs->flags & COF_LIST) {
1141 return (WALK_NEXT);
1142 }
1143 }
1144 /* yet another layer as we walk the actual callouts via list. */
1145 if (cl->cl_callouts.ch_head == NULL) {
1146 return (WALK_NEXT);
1147 }
1148 /* free list structures do not have valid callouts off of them. */
1149 if (coargs->flags & COF_FREE) {
1150 return (WALK_NEXT);
1151 }
1152 coptr = (callout_t *)cl->cl_callouts.ch_head;
1153
1154 if (coargs->flags & COF_VERBOSE) {
1155 mdb_inc_indent(4);
1156 }
1157 /*
1158 * walk callouts using yet another callback routine.
1159 * we use callouts_bytime because id hash is handled via
1160 * the callout_t_cb callback.
1161 */
1162 if (mdb_pwalk("callouts_bytime", callouts_cb, coargs,
1163 (uintptr_t)coptr) == -1) {
1164 mdb_warn("cannot walk callouts at %p", coptr);
1165 return (WALK_ERR);
1166 }
1167 if (coargs->flags & COF_VERBOSE) {
1168 mdb_dec_indent(4);
1169 }
1170
1171 return (WALK_NEXT);
1172 }
1173
1174 /* this callback handles the details of callout table walking. */
1175 static int
1176 callout_t_cb(uintptr_t addr, const void *data, void *priv)
1177 {
1178 callout_data_t *coargs = (callout_data_t *)priv;
1179 cot_data_t *cotwd = (cot_data_t *)data;
1180 callout_table_t *ct = &(cotwd->ct);
1181 int index, seqid, cotype;
1182 int i;
1183 callout_list_t *clptr;
1184 callout_t *coptr;
1185
1186 if ((coargs == NULL) || (ct == NULL) || (coargs->co_table == NULL)) {
1187 return (WALK_ERR);
1188 }
1189
1190 index = ((char *)addr - (char *)coargs->co_table) /
1191 sizeof (callout_table_t);
1192 cotype = index & CALLOUT_TYPE_MASK;
1193 seqid = TABLE_TO_SEQID(index);
1194
1195 if ((coargs->flags & COF_SEQID) && (coargs->seqid != seqid)) {
1196 return (WALK_NEXT);
1197 }
1198
1199 if (!(coargs->flags & COF_REAL) && (cotype == CALLOUT_REALTIME)) {
1200 return (WALK_NEXT);
1201 }
1202
1203 if (!(coargs->flags & COF_NORM) && (cotype == CALLOUT_NORMAL)) {
1204 return (WALK_NEXT);
1205 }
1206
1207 if (!(coargs->flags & COF_EMPTY) && (
1208 (ct->ct_heap == NULL) || (ct->ct_cyclic == NULL))) {
1209 return (WALK_NEXT);
1210 }
1211
1212 if ((coargs->flags & COF_THDR) && !(coargs->flags & COF_ADDR) &&
1213 (coargs->flags & (COF_TABLE | COF_VERBOSE))) {
1214 /* print table hdr */
1215 mdb_printf("%<u>%-3s %-1s %-?s %-?s %-?s %-?s%</u>",
1216 "SEQ", "T", "FREE", "LFREE", "CYCLIC", "HEAP");
1217 coargs->flags &= ~COF_THDR;
1218 coargs->flags |= (COF_LHDR | COF_CHDR);
1219 if (coargs->flags & COF_LONGLIST) {
1220 /* more info! */
1221 mdb_printf("%<u> %-T%-7s %-7s %-?s %-?s %-?s"
1222 " %-?s %-?s %-?s%</u>",
1223 "HEAPNUM", "HEAPMAX", "TASKQ", "EXPQ", "QUE",
1224 "PEND", "FREE", "LOCK");
1225 }
1226 mdb_printf("\n");
1227 }
1228 if (coargs->flags & (COF_TABLE | COF_VERBOSE)) {
1229 if (!(coargs->flags & COF_ADDR)) {
1230 mdb_printf("%-3d %-1s %-0?p %-0?p %-0?p %-?p",
1231 seqid, co_typenames[cotype],
1232 ct->ct_free, ct->ct_lfree, ct->ct_cyclic,
1233 ct->ct_heap);
1234 if (coargs->flags & COF_LONGLIST) {
1235 /* more info! */
1236 mdb_printf(" %-7d %-7d %-?p %-?p %-?p"
1237 " %-?lld %-?lld %-?p",
1238 ct->ct_heap_num, ct->ct_heap_max,
1239 ct->ct_taskq, ct->ct_expired.ch_head,
1240 ct->ct_queue.ch_head,
1241 cotwd->ct_timeouts_pending,
1242 cotwd->ct_allocations -
1243 cotwd->ct_timeouts_pending,
1244 ct->ct_mutex);
1245 }
1246 } else {
1247 /* address only */
1248 mdb_printf("%-0?p", addr);
1249 }
1250 mdb_printf("\n");
1251 if (coargs->flags & COF_TABLE) {
1252 return (WALK_NEXT);
1253 }
1254 }
1255
1256 coargs->ndx = index;
1257 if (coargs->flags & COF_VERBOSE) {
1258 mdb_inc_indent(4);
1259 }
1260 /* keep digging. */
1261 if (!(coargs->flags & COF_BYIDH)) {
1262 /* walk the list hash table */
1263 if (coargs->flags & COF_FREE) {
1264 clptr = ct->ct_lfree;
1265 coargs->bucket = 0;
1266 if (clptr == NULL) {
1267 return (WALK_NEXT);
1268 }
1269 if (mdb_pwalk("callout_list", callout_list_cb, coargs,
1270 (uintptr_t)clptr) == -1) {
1271 mdb_warn("cannot walk callout free list at %p",
1272 clptr);
1273 return (WALK_ERR);
1274 }
1275 } else {
1276 /* first print the expired list. */
1277 clptr = (callout_list_t *)ct->ct_expired.ch_head;
1278 if (clptr != NULL) {
1279 coargs->bucket = -1;
1280 if (mdb_pwalk("callout_list", callout_list_cb,
1281 coargs, (uintptr_t)clptr) == -1) {
1282 mdb_warn("cannot walk callout_list"
1283 " at %p", clptr);
1284 return (WALK_ERR);
1285 }
1286 }
1287 /* then, print the callout queue */
1288 clptr = (callout_list_t *)ct->ct_queue.ch_head;
1289 if (clptr != NULL) {
1290 coargs->bucket = -1;
1291 if (mdb_pwalk("callout_list", callout_list_cb,
1292 coargs, (uintptr_t)clptr) == -1) {
1293 mdb_warn("cannot walk callout_list"
1294 " at %p", clptr);
1295 return (WALK_ERR);
1296 }
1297 }
1298 for (i = 0; i < CALLOUT_BUCKETS; i++) {
1299 if (ct->ct_clhash == NULL) {
1300 /* nothing to do */
1301 break;
1302 }
1303 if (cotwd->cot_clhash[i].ch_head == NULL) {
1304 continue;
1305 }
1306 clptr = (callout_list_t *)
1307 cotwd->cot_clhash[i].ch_head;
1308 coargs->bucket = i;
1309 /* walk list with callback routine. */
1310 if (mdb_pwalk("callout_list", callout_list_cb,
1311 coargs, (uintptr_t)clptr) == -1) {
1312 mdb_warn("cannot walk callout_list"
1313 " at %p", clptr);
1314 return (WALK_ERR);
1315 }
1316 }
1317 }
1318 } else {
1319 /* walk the id hash table. */
1320 if (coargs->flags & COF_FREE) {
1321 coptr = ct->ct_free;
1322 coargs->bucket = 0;
1323 if (coptr == NULL) {
1324 return (WALK_NEXT);
1325 }
1326 if (mdb_pwalk("callouts_byid", callouts_cb, coargs,
1327 (uintptr_t)coptr) == -1) {
1328 mdb_warn("cannot walk callout id free list"
1329 " at %p", coptr);
1330 return (WALK_ERR);
1331 }
1332 } else {
1333 for (i = 0; i < CALLOUT_BUCKETS; i++) {
1334 if (ct->ct_idhash == NULL) {
1335 break;
1336 }
1337 coptr = (callout_t *)
1338 cotwd->cot_idhash[i].ch_head;
1339 if (coptr == NULL) {
1340 continue;
1341 }
1342 coargs->bucket = i;
1343
1344 /*
1345 * walk callouts directly by id. For id
1346 * chain, the callout list is just a header,
1347 * so there's no need to walk it.
1348 */
1349 if (mdb_pwalk("callouts_byid", callouts_cb,
1350 coargs, (uintptr_t)coptr) == -1) {
1351 mdb_warn("cannot walk callouts at %p",
1352 coptr);
1353 return (WALK_ERR);
1354 }
1355 }
1356 }
1357 }
1358 if (coargs->flags & COF_VERBOSE) {
1359 mdb_dec_indent(4);
1360 }
1361 return (WALK_NEXT);
1362 }
1363
1364 /*
1365 * initialize some common info for both callout dcmds.
1366 */
1367 int
1368 callout_common_init(callout_data_t *coargs)
1369 {
1370 /* we need a couple of things */
1371 if (mdb_readvar(&(coargs->co_table), "callout_table") == -1) {
1372 mdb_warn("failed to read 'callout_table'");
1373 return (DCMD_ERR);
1374 }
1375 /* need to get now in nsecs. Approximate with hrtime vars */
1376 if (mdb_readsym(&(coargs->now), sizeof (hrtime_t), "hrtime_last") !=
1377 sizeof (hrtime_t)) {
1378 if (mdb_readsym(&(coargs->now), sizeof (hrtime_t),
1379 "hrtime_base") != sizeof (hrtime_t)) {
1380 mdb_warn("Could not determine current system time");
1381 return (DCMD_ERR);
1382 }
1383 }
1384
1385 if (mdb_readvar(&(coargs->ctbits), "callout_table_bits") == -1) {
1386 mdb_warn("failed to read 'callout_table_bits'");
1387 return (DCMD_ERR);
1388 }
1389 if (mdb_readvar(&(coargs->nsec_per_tick), "nsec_per_tick") == -1) {
1390 mdb_warn("failed to read 'nsec_per_tick'");
1391 return (DCMD_ERR);
1392 }
1393 return (DCMD_OK);
1394 }
1395
1396 /*
1397 * dcmd to print callouts. Optional addr limits to specific table.
1398 * Parses lots of options that get passed to callbacks for walkers.
1399 * Has it's own help function.
1400 */
1401 /*ARGSUSED*/
1402 int
1403 callout(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
1404 {
1405 callout_data_t coargs;
1406 /* getopts doesn't help much with stuff like this */
1407 boolean_t Sflag, Cflag, tflag, aflag, bflag, dflag, kflag;
1408 char *funcname = NULL;
1409 char *paramstr = NULL;
1410 uintptr_t Stmp, Ctmp; /* for getopt. */
1411 int retval;
1412
1413 coargs.flags = COF_DEFAULT;
1414 Sflag = Cflag = tflag = bflag = aflag = dflag = kflag = FALSE;
1415 coargs.seqid = -1;
1416
1417 if (mdb_getopts(argc, argv,
1418 'r', MDB_OPT_CLRBITS, COF_NORM, &coargs.flags,
1419 'n', MDB_OPT_CLRBITS, COF_REAL, &coargs.flags,
1420 'l', MDB_OPT_CLRBITS, COF_SHORT, &coargs.flags,
1421 's', MDB_OPT_CLRBITS, COF_LONG, &coargs.flags,
1422 'x', MDB_OPT_SETBITS, COF_EXEC, &coargs.flags,
1423 'h', MDB_OPT_SETBITS, COF_HIRES, &coargs.flags,
1424 'B', MDB_OPT_SETBITS, COF_ABS, &coargs.flags,
1425 'E', MDB_OPT_SETBITS, COF_EMPTY, &coargs.flags,
1426 'd', MDB_OPT_SETBITS, 1, &dflag,
1427 'C', MDB_OPT_UINTPTR_SET, &Cflag, &Ctmp,
1428 'S', MDB_OPT_UINTPTR_SET, &Sflag, &Stmp,
1429 't', MDB_OPT_UINTPTR_SET, &tflag, (uintptr_t *)&coargs.time,
1430 'a', MDB_OPT_UINTPTR_SET, &aflag, (uintptr_t *)&coargs.atime,
1431 'b', MDB_OPT_UINTPTR_SET, &bflag, (uintptr_t *)&coargs.btime,
1432 'k', MDB_OPT_SETBITS, 1, &kflag,
1433 'f', MDB_OPT_STR, &funcname,
1434 'p', MDB_OPT_STR, &paramstr,
1435 'T', MDB_OPT_SETBITS, COF_TABLE, &coargs.flags,
1436 'D', MDB_OPT_SETBITS, COF_EXPREL, &coargs.flags,
1437 'L', MDB_OPT_SETBITS, COF_LIST, &coargs.flags,
1438 'V', MDB_OPT_SETBITS, COF_VERBOSE, &coargs.flags,
1439 'v', MDB_OPT_SETBITS, COF_LONGLIST, &coargs.flags,
1440 'i', MDB_OPT_SETBITS, COF_BYIDH, &coargs.flags,
1441 'F', MDB_OPT_SETBITS, COF_FREE, &coargs.flags,
1442 'H', MDB_OPT_SETBITS, COF_HEAP, &coargs.flags,
1443 'Q', MDB_OPT_SETBITS, COF_QUEUE, &coargs.flags,
1444 'A', MDB_OPT_SETBITS, COF_ADDR, &coargs.flags,
1445 NULL) != argc) {
1446 return (DCMD_USAGE);
1447 }
1448
1449 /* initialize from kernel variables */
1450 if ((retval = callout_common_init(&coargs)) != DCMD_OK) {
1451 return (retval);
1452 }
1453
1454 /* do some option post-processing */
1455 if (kflag) {
1456 coargs.time *= coargs.nsec_per_tick;
1457 coargs.atime *= coargs.nsec_per_tick;
1458 coargs.btime *= coargs.nsec_per_tick;
1459 }
1460
1461 if (dflag) {
1462 coargs.time += coargs.now;
1463 coargs.atime += coargs.now;
1464 coargs.btime += coargs.now;
1465 }
1466 if (Sflag) {
1467 if (flags & DCMD_ADDRSPEC) {
1468 mdb_printf("-S option conflicts with explicit"
1469 " address\n");
1470 return (DCMD_USAGE);
1471 }
1472 coargs.flags |= COF_SEQID;
1473 coargs.seqid = (int)Stmp;
1474 }
1475 if (Cflag) {
1476 if (flags & DCMD_ADDRSPEC) {
1477 mdb_printf("-C option conflicts with explicit"
1478 " address\n");
1479 return (DCMD_USAGE);
1480 }
1481 if (coargs.flags & COF_SEQID) {
1482 mdb_printf("-C and -S are mutually exclusive\n");
1483 return (DCMD_USAGE);
1484 }
1485 coargs.cpu = (cpu_t *)Ctmp;
1486 if (mdb_vread(&coargs.seqid, sizeof (processorid_t),
1487 (uintptr_t)&(coargs.cpu->cpu_seqid)) == -1) {
1488 mdb_warn("failed to read cpu_t at %p", Ctmp);
1489 return (DCMD_ERR);
1490 }
1491 coargs.flags |= COF_SEQID;
1492 }
1493 /* avoid null outputs. */
1494 if (!(coargs.flags & (COF_REAL | COF_NORM))) {
1495 coargs.flags |= COF_REAL | COF_NORM;
1496 }
1497 if (!(coargs.flags & (COF_LONG | COF_SHORT))) {
1498 coargs.flags |= COF_LONG | COF_SHORT;
1499 }
1500 if (tflag) {
1501 if (aflag || bflag) {
1502 mdb_printf("-t and -a|b are mutually exclusive\n");
1503 return (DCMD_USAGE);
1504 }
1505 coargs.flags |= COF_TIME;
1506 }
1507 if (aflag) {
1508 coargs.flags |= COF_AFTER;
1509 }
1510 if (bflag) {
1511 coargs.flags |= COF_BEFORE;
1512 }
1513 if ((aflag && bflag) && (coargs.btime <= coargs.atime)) {
1514 mdb_printf("value for -a must be earlier than the value"
1515 " for -b.\n");
1516 return (DCMD_USAGE);
1517 }
1518
1519 if ((coargs.flags & COF_HEAP) && (coargs.flags & COF_QUEUE)) {
1520 mdb_printf("-H and -Q are mutually exclusive\n");
1521 return (DCMD_USAGE);
1522 }
1523
1524 if (funcname != NULL) {
1525 GElf_Sym sym;
1526
1527 if (mdb_lookup_by_name(funcname, &sym) != 0) {
1528 coargs.funcaddr = mdb_strtoull(funcname);
1529 } else {
1530 coargs.funcaddr = sym.st_value;
1531 }
1532 coargs.flags |= COF_FUNC;
1533 }
1534
1535 if (paramstr != NULL) {
1536 GElf_Sym sym;
1537
1538 if (mdb_lookup_by_name(paramstr, &sym) != 0) {
1539 coargs.param = mdb_strtoull(paramstr);
1540 } else {
1541 coargs.param = sym.st_value;
1542 }
1543 coargs.flags |= COF_PARAM;
1544 }
1545
1546 if (!(flags & DCMD_ADDRSPEC)) {
1547 /* don't pass "dot" if no addr. */
1548 addr = NULL;
1549 }
1550 if (addr != NULL) {
1551 /*
1552 * a callout table was specified. Ignore -r|n option
1553 * to avoid null output.
1554 */
1555 coargs.flags |= (COF_REAL | COF_NORM);
1556 }
1557
1558 if (DCMD_HDRSPEC(flags) || (coargs.flags & COF_VERBOSE)) {
1559 coargs.flags |= COF_THDR | COF_LHDR | COF_CHDR;
1560 }
1561 if (coargs.flags & COF_FREE) {
1562 coargs.flags |= COF_EMPTY;
1563 /* -F = free callouts, -FL = free lists */
1564 if (!(coargs.flags & COF_LIST)) {
1565 coargs.flags |= COF_BYIDH;
1566 }
1567 }
1568
1569 /* walk table, using specialized callback routine. */
1570 if (mdb_pwalk("callout_table", callout_t_cb, &coargs, addr) == -1) {
1571 mdb_warn("cannot walk callout_table");
1572 return (DCMD_ERR);
1573 }
1574 return (DCMD_OK);
1575 }
1576
1577
1578 /*
1579 * Given an extended callout id, dump its information.
1580 */
1581 /*ARGSUSED*/
1582 int
1583 calloutid(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
1584 {
1585 callout_data_t coargs;
1586 callout_table_t *ctptr;
1587 callout_table_t ct;
1588 callout_id_t coid;
1589 callout_t *coptr;
1590 int tableid;
1591 callout_id_t xid;
1592 ulong_t idhash;
1593 int i, retval;
1594 const mdb_arg_t *arg;
1595 size_t size;
1596 callout_hash_t cot_idhash[CALLOUT_BUCKETS];
1597
1598 coargs.flags = COF_DEFAULT | COF_BYIDH;
1599 i = mdb_getopts(argc, argv,
1600 'd', MDB_OPT_SETBITS, COF_DECODE, &coargs.flags,
1601 'v', MDB_OPT_SETBITS, COF_LONGLIST, &coargs.flags,
1602 NULL);
1603 argc -= i;
1604 argv += i;
1605
1606 if (argc != 1) {
1607 return (DCMD_USAGE);
1608 }
1609 arg = &argv[0];
1610
1611 if (arg->a_type == MDB_TYPE_IMMEDIATE) {
1612 xid = arg->a_un.a_val;
1613 } else {
1614 xid = (callout_id_t)mdb_strtoull(arg->a_un.a_str);
1615 }
1616
1617 if (DCMD_HDRSPEC(flags)) {
1618 coargs.flags |= COF_CHDR;
1619 }
1620
1621
1622 /* initialize from kernel variables */
1623 if ((retval = callout_common_init(&coargs)) != DCMD_OK) {
1624 return (retval);
1625 }
1626
1627 /* we must massage the environment so that the macros will play nice */
1628 #define callout_table_mask ((1 << coargs.ctbits) - 1)
1629 #define callout_table_bits coargs.ctbits
1630 #define nsec_per_tick coargs.nsec_per_tick
1631 tableid = CALLOUT_ID_TO_TABLE(xid);
1632 idhash = CALLOUT_IDHASH(xid);
1633 #undef callouts_table_bits
1634 #undef callout_table_mask
1635 #undef nsec_per_tick
1636 coid = CO_PLAIN_ID(xid);
1637
1638 if (flags & DCMD_ADDRSPEC) {
1639 mdb_printf("calloutid does not accept explicit address.\n");
1640 return (DCMD_USAGE);
1641 }
1642
1643 if (coargs.flags & COF_DECODE) {
1644 if (DCMD_HDRSPEC(flags)) {
1645 mdb_printf("%<u>%3s %1s %2s %-?s %-6s %</u>\n",
1646 "SEQ", "T", "XL", "XID", "IDHASH");
1647 }
1648 mdb_printf("%-3d %1s %1s%1s %-?llx %-6d\n",
1649 TABLE_TO_SEQID(tableid),
1650 co_typenames[tableid & CALLOUT_TYPE_MASK],
1651 (xid & CALLOUT_EXECUTING) ? "X" : " ",
1652 (xid & CALLOUT_LONGTERM) ? "L" : " ",
1653 (long long)coid, idhash);
1654 return (DCMD_OK);
1655 }
1656
1657 /* get our table. Note this relies on the types being correct */
1658 ctptr = coargs.co_table + tableid;
1659 if (mdb_vread(&ct, sizeof (callout_table_t), (uintptr_t)ctptr) == -1) {
1660 mdb_warn("failed to read callout_table at %p", ctptr);
1661 return (DCMD_ERR);
1662 }
1663 size = sizeof (callout_hash_t) * CALLOUT_BUCKETS;
1664 if (ct.ct_idhash != NULL) {
1665 if (mdb_vread(&(cot_idhash), size,
1666 (uintptr_t)ct.ct_idhash) == -1) {
1667 mdb_warn("failed to read id_hash at %p",
1668 ct.ct_idhash);
1669 return (WALK_ERR);
1670 }
1671 }
1672
1673 /* callout at beginning of hash chain */
1674 if (ct.ct_idhash == NULL) {
1675 mdb_printf("id hash chain for this xid is empty\n");
1676 return (DCMD_ERR);
1677 }
1678 coptr = (callout_t *)cot_idhash[idhash].ch_head;
1679 if (coptr == NULL) {
1680 mdb_printf("id hash chain for this xid is empty\n");
1681 return (DCMD_ERR);
1682 }
1683
1684 coargs.ndx = tableid;
1685 coargs.bucket = idhash;
1686
1687 /* use the walker, luke */
1688 if (mdb_pwalk("callouts_byid", callouts_cb, &coargs,
1689 (uintptr_t)coptr) == -1) {
1690 mdb_warn("cannot walk callouts at %p", coptr);
1691 return (WALK_ERR);
1692 }
1693
1694 return (DCMD_OK);
1695 }
1696
1697 void
1698 callout_help(void)
1699 {
1700 mdb_printf("callout: display callouts.\n"
1701 "Given a callout table address, display callouts from table.\n"
1702 "Without an address, display callouts from all tables.\n"
1703 "options:\n"
1704 " -r|n : limit display to (r)ealtime or (n)ormal type callouts\n"
1705 " -s|l : limit display to (s)hort-term ids or (l)ong-term ids\n"
1706 " -x : limit display to callouts which are executing\n"
1707 " -h : limit display to callouts based on hrestime\n"
1708 " -B : limit display to callouts based on absolute time\n"
1709 " -t|a|b nsec: limit display to callouts that expire a(t) time,"
1710 " (a)fter time,\n or (b)efore time. Use -a and -b together "
1711 " to specify a range.\n For \"now\", use -d[t|a|b] 0.\n"
1712 " -d : interpret time option to -t|a|b as delta from current time\n"
1713 " -k : use ticks instead of nanoseconds as arguments to"
1714 " -t|a|b. Note that\n ticks are less accurate and may not"
1715 " match other tick times (ie: lbolt).\n"
1716 " -D : display exiration time as delta from current time\n"
1717 " -S seqid : limit display to callouts for this cpu sequence id\n"
1718 " -C addr : limit display to callouts for this cpu pointer\n"
1719 " -f name|addr : limit display to callouts with this function\n"
1720 " -p name|addr : limit display to callouts functions with this"
1721 " parameter\n"
1722 " -T : display the callout table itself, instead of callouts\n"
1723 " -L : display callout lists instead of callouts\n"
1724 " -E : with -T or L, display empty data structures.\n"
1725 " -i : traverse callouts by id hash instead of list hash\n"
1726 " -F : walk free callout list (free list with -i) instead\n"
1727 " -v : display more info for each item\n"
1728 " -V : show details of each level of info as it is traversed\n"
1729 " -H : limit display to callouts in the callout heap\n"
1730 " -Q : limit display to callouts in the callout queue\n"
1731 " -A : show only addresses. Useful for pipelines.\n");
1732 }
1733
1734 void
1735 calloutid_help(void)
1736 {
1737 mdb_printf("calloutid: display callout by id.\n"
1738 "Given an extended callout id, display the callout infomation.\n"
1739 "options:\n"
1740 " -d : do not dereference callout, just decode the id.\n"
1741 " -v : verbose display more info about the callout\n");
1742 }
1743
1744 /*ARGSUSED*/
1745 int
1746 class(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
1747 {
1748 long num_classes, i;
1749 sclass_t *class_tbl;
1750 GElf_Sym g_sclass;
1751 char class_name[PC_CLNMSZ];
1752 size_t tbl_size;
1753
1754 if (mdb_lookup_by_name("sclass", &g_sclass) == -1) {
1755 mdb_warn("failed to find symbol sclass\n");
1756 return (DCMD_ERR);
1757 }
1758
1759 tbl_size = (size_t)g_sclass.st_size;
1760 num_classes = tbl_size / (sizeof (sclass_t));
1761 class_tbl = mdb_alloc(tbl_size, UM_SLEEP | UM_GC);
1762
1763 if (mdb_readsym(class_tbl, tbl_size, "sclass") == -1) {
1764 mdb_warn("failed to read sclass");
1765 return (DCMD_ERR);
1766 }
1767
1768 mdb_printf("%<u>%4s %-10s %-24s %-24s%</u>\n", "SLOT", "NAME",
1769 "INIT FCN", "CLASS FCN");
1770
1771 for (i = 0; i < num_classes; i++) {
1772 if (mdb_vread(class_name, sizeof (class_name),
1773 (uintptr_t)class_tbl[i].cl_name) == -1)
1774 (void) strcpy(class_name, "???");
1775
1776 mdb_printf("%4ld %-10s %-24a %-24a\n", i, class_name,
1777 class_tbl[i].cl_init, class_tbl[i].cl_funcs);
1778 }
1779
1780 return (DCMD_OK);
1781 }
1782
1783 #define FSNAMELEN 32 /* Max len of FS name we read from vnodeops */
1784
1785 int
1786 vnode2path(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
1787 {
1788 uintptr_t rootdir;
1789 vnode_t vn;
1790 char buf[MAXPATHLEN];
1791
1792 uint_t opt_F = FALSE;
1793
1794 if (mdb_getopts(argc, argv,
1795 'F', MDB_OPT_SETBITS, TRUE, &opt_F, NULL) != argc)
1796 return (DCMD_USAGE);
1797
1798 if (!(flags & DCMD_ADDRSPEC)) {
1799 mdb_warn("expected explicit vnode_t address before ::\n");
1800 return (DCMD_USAGE);
1801 }
1802
1803 if (mdb_readvar(&rootdir, "rootdir") == -1) {
1804 mdb_warn("failed to read rootdir");
1805 return (DCMD_ERR);
1806 }
1807
1808 if (mdb_vnode2path(addr, buf, sizeof (buf)) == -1)
1809 return (DCMD_ERR);
1810
1811 if (*buf == '\0') {
1812 mdb_printf("??\n");
1813 return (DCMD_OK);
1814 }
1815
1816 mdb_printf("%s", buf);
1817 if (opt_F && buf[strlen(buf)-1] != '/' &&
1818 mdb_vread(&vn, sizeof (vn), addr) == sizeof (vn))
1819 mdb_printf("%c", mdb_vtype2chr(vn.v_type, 0));
1820 mdb_printf("\n");
1821
1822 return (DCMD_OK);
1823 }
1824
1825 int
1826 ld_walk_init(mdb_walk_state_t *wsp)
1827 {
1828 wsp->walk_data = (void *)wsp->walk_addr;
1829 return (WALK_NEXT);
1830 }
1831
1832 int
1833 ld_walk_step(mdb_walk_state_t *wsp)
1834 {
1835 int status;
1836 lock_descriptor_t ld;
1837
1838 if (mdb_vread(&ld, sizeof (lock_descriptor_t), wsp->walk_addr) == -1) {
1839 mdb_warn("couldn't read lock_descriptor_t at %p\n",
1840 wsp->walk_addr);
1841 return (WALK_ERR);
1842 }
1843
1844 status = wsp->walk_callback(wsp->walk_addr, &ld, wsp->walk_cbdata);
1845 if (status == WALK_ERR)
1846 return (WALK_ERR);
1847
1848 wsp->walk_addr = (uintptr_t)ld.l_next;
1849 if (wsp->walk_addr == (uintptr_t)wsp->walk_data)
1850 return (WALK_DONE);
1851
1852 return (status);
1853 }
1854
1855 int
1856 lg_walk_init(mdb_walk_state_t *wsp)
1857 {
1858 GElf_Sym sym;
1859
1860 if (mdb_lookup_by_name("lock_graph", &sym) == -1) {
1861 mdb_warn("failed to find symbol 'lock_graph'\n");
1862 return (WALK_ERR);
1863 }
1864
1865 wsp->walk_addr = (uintptr_t)sym.st_value;
1866 wsp->walk_data = (void *)(uintptr_t)(sym.st_value + sym.st_size);
1867
1868 return (WALK_NEXT);
1869 }
1870
1871 typedef struct lg_walk_data {
1872 uintptr_t startaddr;
1873 mdb_walk_cb_t callback;
1874 void *data;
1875 } lg_walk_data_t;
1876
1877 /*
1878 * We can't use ::walk lock_descriptor directly, because the head of each graph
1879 * is really a dummy lock. Rather than trying to dynamically determine if this
1880 * is a dummy node or not, we just filter out the initial element of the
1881 * list.
1882 */
1883 static int
1884 lg_walk_cb(uintptr_t addr, const void *data, void *priv)
1885 {
1886 lg_walk_data_t *lw = priv;
1887
1888 if (addr != lw->startaddr)
1889 return (lw->callback(addr, data, lw->data));
1890
1891 return (WALK_NEXT);
1892 }
1893
1894 int
1895 lg_walk_step(mdb_walk_state_t *wsp)
1896 {
1897 graph_t *graph;
1898 lg_walk_data_t lw;
1899
1900 if (wsp->walk_addr >= (uintptr_t)wsp->walk_data)
1901 return (WALK_DONE);
1902
1903 if (mdb_vread(&graph, sizeof (graph), wsp->walk_addr) == -1) {
1904 mdb_warn("failed to read graph_t at %p", wsp->walk_addr);
1905 return (WALK_ERR);
1906 }
1907
1908 wsp->walk_addr += sizeof (graph);
1909
1910 if (graph == NULL)
1911 return (WALK_NEXT);
1912
1913 lw.callback = wsp->walk_callback;
1914 lw.data = wsp->walk_cbdata;
1915
1916 lw.startaddr = (uintptr_t)&(graph->active_locks);
1917 if (mdb_pwalk("lock_descriptor", lg_walk_cb, &lw, lw.startaddr)) {
1918 mdb_warn("couldn't walk lock_descriptor at %p\n", lw.startaddr);
1919 return (WALK_ERR);
1920 }
1921
1922 lw.startaddr = (uintptr_t)&(graph->sleeping_locks);
1923 if (mdb_pwalk("lock_descriptor", lg_walk_cb, &lw, lw.startaddr)) {
1924 mdb_warn("couldn't walk lock_descriptor at %p\n", lw.startaddr);
1925 return (WALK_ERR);
1926 }
1927
1928 return (WALK_NEXT);
1929 }
1930
1931 /*
1932 * The space available for the path corresponding to the locked vnode depends
1933 * on whether we are printing 32- or 64-bit addresses.
1934 */
1935 #ifdef _LP64
1936 #define LM_VNPATHLEN 20
1937 #else
1938 #define LM_VNPATHLEN 30
1939 #endif
1940
1941 typedef struct mdb_lminfo_proc {
1942 struct {
1943 char u_comm[MAXCOMLEN + 1];
1944 } p_user;
1945 } mdb_lminfo_proc_t;
1946
1947 /*ARGSUSED*/
1948 static int
1949 lminfo_cb(uintptr_t addr, const void *data, void *priv)
1950 {
1951 const lock_descriptor_t *ld = data;
1952 char buf[LM_VNPATHLEN];
1953 mdb_lminfo_proc_t p;
1954 uintptr_t paddr = 0;
1955
1956 if (ld->l_flock.l_pid != 0)
1957 paddr = mdb_pid2proc(ld->l_flock.l_pid, NULL);
1958
1959 if (paddr != 0)
1960 mdb_ctf_vread(&p, "proc_t", "mdb_lminfo_proc_t", paddr, 0);
1961
1962 mdb_printf("%-?p %2s %04x %6d %-16s %-?p ",
1963 addr, ld->l_type == F_RDLCK ? "RD" :
1964 ld->l_type == F_WRLCK ? "WR" : "??",
1965 ld->l_state, ld->l_flock.l_pid,
1966 ld->l_flock.l_pid == 0 ? "<kernel>" :
1967 paddr == 0 ? "<defunct>" : p.p_user.u_comm, ld->l_vnode);
1968
1969 mdb_vnode2path((uintptr_t)ld->l_vnode, buf,
1970 sizeof (buf));
1971 mdb_printf("%s\n", buf);
1972
1973 return (WALK_NEXT);
1974 }
1975
1976 /*ARGSUSED*/
1977 int
1978 lminfo(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
1979 {
1980 if (DCMD_HDRSPEC(flags))
1981 mdb_printf("%<u>%-?s %2s %4s %6s %-16s %-?s %s%</u>\n",
1982 "ADDR", "TP", "FLAG", "PID", "COMM", "VNODE", "PATH");
1983
1984 return (mdb_pwalk("lock_graph", lminfo_cb, NULL, NULL));
1985 }
1986
1987 /*ARGSUSED*/
1988 int
1989 whereopen_fwalk(uintptr_t addr, struct file *f, uintptr_t *target)
1990 {
1991 if ((uintptr_t)f->f_vnode == *target) {
1992 mdb_printf("file %p\n", addr);
1993 *target = NULL;
1994 }
1995
1996 return (WALK_NEXT);
1997 }
1998
1999 /*ARGSUSED*/
2000 int
2001 whereopen_pwalk(uintptr_t addr, void *ignored, uintptr_t *target)
2002 {
2003 uintptr_t t = *target;
2004
2005 if (mdb_pwalk("file", (mdb_walk_cb_t)whereopen_fwalk, &t, addr) == -1) {
2006 mdb_warn("couldn't file walk proc %p", addr);
2007 return (WALK_ERR);
2008 }
2009
2010 if (t == NULL)
2011 mdb_printf("%p\n", addr);
2012
2013 return (WALK_NEXT);
2014 }
2015
2016 /*ARGSUSED*/
2017 int
2018 whereopen(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
2019 {
2020 uintptr_t target = addr;
2021
2022 if (!(flags & DCMD_ADDRSPEC) || addr == NULL)
2023 return (DCMD_USAGE);
2024
2025 if (mdb_walk("proc", (mdb_walk_cb_t)whereopen_pwalk, &target) == -1) {
2026 mdb_warn("can't proc walk");
2027 return (DCMD_ERR);
2028 }
2029
2030 return (DCMD_OK);
2031 }
2032
2033 typedef struct datafmt {
2034 char *hdr1;
2035 char *hdr2;
2036 char *dashes;
2037 char *fmt;
2038 } datafmt_t;
2039
2040 static datafmt_t kmemfmt[] = {
2041 { "cache ", "name ",
2042 "-------------------------", "%-25s " },
2043 { " buf", " size", "------", "%6u " },
2044 { " buf", "in use", "------", "%6u " },
2045 { " buf", " total", "------", "%6u " },
2046 { " memory", " in use", "----------", "%10lu%c " },
2047 { " alloc", " succeed", "---------", "%9u " },
2048 { "alloc", " fail", "-----", "%5u " },
2049 { NULL, NULL, NULL, NULL }
2050 };
2051
2052 static datafmt_t vmemfmt[] = {
2053 { "vmem ", "name ",
2054 "-------------------------", "%-*s " },
2055 { " memory", " in use", "----------", "%9llu%c " },
2056 { " memory", " total", "-----------", "%10llu%c " },
2057 { " memory", " import", "----------", "%9llu%c " },
2058 { " alloc", " succeed", "---------", "%9llu " },
2059 { "alloc", " fail", "-----", "%5llu " },
2060 { NULL, NULL, NULL, NULL }
2061 };
2062
2063 /*ARGSUSED*/
2064 static int
2065 kmastat_cpu_avail(uintptr_t addr, const kmem_cpu_cache_t *ccp, int *avail)
2066 {
2067 short rounds, prounds;
2068
2069 if (KMEM_DUMPCC(ccp)) {
2070 rounds = ccp->cc_dump_rounds;
2071 prounds = ccp->cc_dump_prounds;
2072 } else {
2073 rounds = ccp->cc_rounds;
2074 prounds = ccp->cc_prounds;
2075 }
2076 if (rounds > 0)
2077 *avail += rounds;
2078 if (prounds > 0)
2079 *avail += prounds;
2080
2081 return (WALK_NEXT);
2082 }
2083
2084 /*ARGSUSED*/
2085 static int
2086 kmastat_cpu_alloc(uintptr_t addr, const kmem_cpu_cache_t *ccp, int *alloc)
2087 {
2088 *alloc += ccp->cc_alloc;
2089
2090 return (WALK_NEXT);
2091 }
2092
2093 /*ARGSUSED*/
2094 static int
2095 kmastat_slab_avail(uintptr_t addr, const kmem_slab_t *sp, int *avail)
2096 {
2097 *avail += sp->slab_chunks - sp->slab_refcnt;
2098
2099 return (WALK_NEXT);
2100 }
2101
2102 typedef struct kmastat_vmem {
2103 uintptr_t kv_addr;
2104 struct kmastat_vmem *kv_next;
2105 size_t kv_meminuse;
2106 int kv_alloc;
2107 int kv_fail;
2108 } kmastat_vmem_t;
2109
2110 typedef struct kmastat_args {
2111 kmastat_vmem_t **ka_kvpp;
2112 uint_t ka_shift;
2113 } kmastat_args_t;
2114
2115 static int
2116 kmastat_cache(uintptr_t addr, const kmem_cache_t *cp, kmastat_args_t *kap)
2117 {
2118 kmastat_vmem_t **kvpp = kap->ka_kvpp;
2119 kmastat_vmem_t *kv;
2120 datafmt_t *dfp = kmemfmt;
2121 int magsize;
2122
2123 int avail, alloc, total;
2124 size_t meminuse = (cp->cache_slab_create - cp->cache_slab_destroy) *
2125 cp->cache_slabsize;
2126
2127 mdb_walk_cb_t cpu_avail = (mdb_walk_cb_t)kmastat_cpu_avail;
2128 mdb_walk_cb_t cpu_alloc = (mdb_walk_cb_t)kmastat_cpu_alloc;
2129 mdb_walk_cb_t slab_avail = (mdb_walk_cb_t)kmastat_slab_avail;
2130
2131 magsize = kmem_get_magsize(cp);
2132
2133 alloc = cp->cache_slab_alloc + cp->cache_full.ml_alloc;
2134 avail = cp->cache_full.ml_total * magsize;
2135 total = cp->cache_buftotal;
2136
2137 (void) mdb_pwalk("kmem_cpu_cache", cpu_alloc, &alloc, addr);
2138 (void) mdb_pwalk("kmem_cpu_cache", cpu_avail, &avail, addr);
2139 (void) mdb_pwalk("kmem_slab_partial", slab_avail, &avail, addr);
2140
2141 for (kv = *kvpp; kv != NULL; kv = kv->kv_next) {
2142 if (kv->kv_addr == (uintptr_t)cp->cache_arena)
2143 goto out;
2144 }
2145
2146 kv = mdb_zalloc(sizeof (kmastat_vmem_t), UM_SLEEP | UM_GC);
2147 kv->kv_next = *kvpp;
2148 kv->kv_addr = (uintptr_t)cp->cache_arena;
2149 *kvpp = kv;
2150 out:
2151 kv->kv_meminuse += meminuse;
2152 kv->kv_alloc += alloc;
2153 kv->kv_fail += cp->cache_alloc_fail;
2154
2155 mdb_printf((dfp++)->fmt, cp->cache_name);
2156 mdb_printf((dfp++)->fmt, cp->cache_bufsize);
2157 mdb_printf((dfp++)->fmt, total - avail);
2158 mdb_printf((dfp++)->fmt, total);
2159 mdb_printf((dfp++)->fmt, meminuse >> kap->ka_shift,
2160 kap->ka_shift == GIGS ? 'G' : kap->ka_shift == MEGS ? 'M' :
2161 kap->ka_shift == KILOS ? 'K' : 'B');
2162 mdb_printf((dfp++)->fmt, alloc);
2163 mdb_printf((dfp++)->fmt, cp->cache_alloc_fail);
2164 mdb_printf("\n");
2165
2166 return (WALK_NEXT);
2167 }
2168
2169 static int
2170 kmastat_vmem_totals(uintptr_t addr, const vmem_t *v, kmastat_args_t *kap)
2171 {
2172 kmastat_vmem_t *kv = *kap->ka_kvpp;
2173 size_t len;
2174
2175 while (kv != NULL && kv->kv_addr != addr)
2176 kv = kv->kv_next;
2177
2178 if (kv == NULL || kv->kv_alloc == 0)
2179 return (WALK_NEXT);
2180
2181 len = MIN(17, strlen(v->vm_name));
2182
2183 mdb_printf("Total [%s]%*s %6s %6s %6s %10lu%c %9u %5u\n", v->vm_name,
2184 17 - len, "", "", "", "",
2185 kv->kv_meminuse >> kap->ka_shift,
2186 kap->ka_shift == GIGS ? 'G' : kap->ka_shift == MEGS ? 'M' :
2187 kap->ka_shift == KILOS ? 'K' : 'B', kv->kv_alloc, kv->kv_fail);
2188
2189 return (WALK_NEXT);
2190 }
2191
2192 /*ARGSUSED*/
2193 static int
2194 kmastat_vmem(uintptr_t addr, const vmem_t *v, const uint_t *shiftp)
2195 {
2196 datafmt_t *dfp = vmemfmt;
2197 const vmem_kstat_t *vkp = &v->vm_kstat;
2198 uintptr_t paddr;
2199 vmem_t parent;
2200 int ident = 0;
2201
2202 for (paddr = (uintptr_t)v->vm_source; paddr != NULL; ident += 4) {
2203 if (mdb_vread(&parent, sizeof (parent), paddr) == -1) {
2204 mdb_warn("couldn't trace %p's ancestry", addr);
2205 ident = 0;
2206 break;
2207 }
2208 paddr = (uintptr_t)parent.vm_source;
2209 }
2210
2211 mdb_printf("%*s", ident, "");
2212 mdb_printf((dfp++)->fmt, 25 - ident, v->vm_name);
2213 mdb_printf((dfp++)->fmt, vkp->vk_mem_inuse.value.ui64 >> *shiftp,
2214 *shiftp == GIGS ? 'G' : *shiftp == MEGS ? 'M' :
2215 *shiftp == KILOS ? 'K' : 'B');
2216 mdb_printf((dfp++)->fmt, vkp->vk_mem_total.value.ui64 >> *shiftp,
2217 *shiftp == GIGS ? 'G' : *shiftp == MEGS ? 'M' :
2218 *shiftp == KILOS ? 'K' : 'B');
2219 mdb_printf((dfp++)->fmt, vkp->vk_mem_import.value.ui64 >> *shiftp,
2220 *shiftp == GIGS ? 'G' : *shiftp == MEGS ? 'M' :
2221 *shiftp == KILOS ? 'K' : 'B');
2222 mdb_printf((dfp++)->fmt, vkp->vk_alloc.value.ui64);
2223 mdb_printf((dfp++)->fmt, vkp->vk_fail.value.ui64);
2224
2225 mdb_printf("\n");
2226
2227 return (WALK_NEXT);
2228 }
2229
2230 /*ARGSUSED*/
2231 int
2232 kmastat(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
2233 {
2234 kmastat_vmem_t *kv = NULL;
2235 datafmt_t *dfp;
2236 kmastat_args_t ka;
2237
2238 ka.ka_shift = 0;
2239 if (mdb_getopts(argc, argv,
2240 'k', MDB_OPT_SETBITS, KILOS, &ka.ka_shift,
2241 'm', MDB_OPT_SETBITS, MEGS, &ka.ka_shift,
2242 'g', MDB_OPT_SETBITS, GIGS, &ka.ka_shift, NULL) != argc)
2243 return (DCMD_USAGE);
2244
2245 for (dfp = kmemfmt; dfp->hdr1 != NULL; dfp++)
2246 mdb_printf("%s ", dfp->hdr1);
2247 mdb_printf("\n");
2248
2249 for (dfp = kmemfmt; dfp->hdr1 != NULL; dfp++)
2250 mdb_printf("%s ", dfp->hdr2);
2251 mdb_printf("\n");
2252
2253 for (dfp = kmemfmt; dfp->hdr1 != NULL; dfp++)
2254 mdb_printf("%s ", dfp->dashes);
2255 mdb_printf("\n");
2256
2257 ka.ka_kvpp = &kv;
2258 if (mdb_walk("kmem_cache", (mdb_walk_cb_t)kmastat_cache, &ka) == -1) {
2259 mdb_warn("can't walk 'kmem_cache'");
2260 return (DCMD_ERR);
2261 }
2262
2263 for (dfp = kmemfmt; dfp->hdr1 != NULL; dfp++)
2264 mdb_printf("%s ", dfp->dashes);
2265 mdb_printf("\n");
2266
2267 if (mdb_walk("vmem", (mdb_walk_cb_t)kmastat_vmem_totals, &ka) == -1) {
2268 mdb_warn("can't walk 'vmem'");
2269 return (DCMD_ERR);
2270 }
2271
2272 for (dfp = kmemfmt; dfp->hdr1 != NULL; dfp++)
2273 mdb_printf("%s ", dfp->dashes);
2274 mdb_printf("\n");
2275
2276 mdb_printf("\n");
2277
2278 for (dfp = vmemfmt; dfp->hdr1 != NULL; dfp++)
2279 mdb_printf("%s ", dfp->hdr1);
2280 mdb_printf("\n");
2281
2282 for (dfp = vmemfmt; dfp->hdr1 != NULL; dfp++)
2283 mdb_printf("%s ", dfp->hdr2);
2284 mdb_printf("\n");
2285
2286 for (dfp = vmemfmt; dfp->hdr1 != NULL; dfp++)
2287 mdb_printf("%s ", dfp->dashes);
2288 mdb_printf("\n");
2289
2290 if (mdb_walk("vmem", (mdb_walk_cb_t)kmastat_vmem, &ka.ka_shift) == -1) {
2291 mdb_warn("can't walk 'vmem'");
2292 return (DCMD_ERR);
2293 }
2294
2295 for (dfp = vmemfmt; dfp->hdr1 != NULL; dfp++)
2296 mdb_printf("%s ", dfp->dashes);
2297 mdb_printf("\n");
2298 return (DCMD_OK);
2299 }
2300
2301 /*
2302 * Our ::kgrep callback scans the entire kernel VA space (kas). kas is made
2303 * up of a set of 'struct seg's. We could just scan each seg en masse, but
2304 * unfortunately, a few of the segs are both large and sparse, so we could
2305 * spend quite a bit of time scanning VAs which have no backing pages.
2306 *
2307 * So for the few very sparse segs, we skip the segment itself, and scan
2308 * the allocated vmem_segs in the vmem arena which manages that part of kas.
2309 * Currently, we do this for:
2310 *
2311 * SEG VMEM ARENA
2312 * kvseg heap_arena
2313 * kvseg32 heap32_arena
2314 * kvseg_core heap_core_arena
2315 *
2316 * In addition, we skip the segkpm segment in its entirety, since it is very
2317 * sparse, and contains no new kernel data.
2318 */
2319 typedef struct kgrep_walk_data {
2320 kgrep_cb_func *kg_cb;
2321 void *kg_cbdata;
2322 uintptr_t kg_kvseg;
2323 uintptr_t kg_kvseg32;
2324 uintptr_t kg_kvseg_core;
2325 uintptr_t kg_segkpm;
2326 uintptr_t kg_heap_lp_base;
2327 uintptr_t kg_heap_lp_end;
2328 } kgrep_walk_data_t;
2329
2330 static int
2331 kgrep_walk_seg(uintptr_t addr, const struct seg *seg, kgrep_walk_data_t *kg)
2332 {
2333 uintptr_t base = (uintptr_t)seg->s_base;
2334
2335 if (addr == kg->kg_kvseg || addr == kg->kg_kvseg32 ||
2336 addr == kg->kg_kvseg_core)
2337 return (WALK_NEXT);
2338
2339 if ((uintptr_t)seg->s_ops == kg->kg_segkpm)
2340 return (WALK_NEXT);
2341
2342 return (kg->kg_cb(base, base + seg->s_size, kg->kg_cbdata));
2343 }
2344
2345 /*ARGSUSED*/
2346 static int
2347 kgrep_walk_vseg(uintptr_t addr, const vmem_seg_t *seg, kgrep_walk_data_t *kg)
2348 {
2349 /*
2350 * skip large page heap address range - it is scanned by walking
2351 * allocated vmem_segs in the heap_lp_arena
2352 */
2353 if (seg->vs_start == kg->kg_heap_lp_base &&
2354 seg->vs_end == kg->kg_heap_lp_end)
2355 return (WALK_NEXT);
2356
2357 return (kg->kg_cb(seg->vs_start, seg->vs_end, kg->kg_cbdata));
2358 }
2359
2360 /*ARGSUSED*/
2361 static int
2362 kgrep_xwalk_vseg(uintptr_t addr, const vmem_seg_t *seg, kgrep_walk_data_t *kg)
2363 {
2364 return (kg->kg_cb(seg->vs_start, seg->vs_end, kg->kg_cbdata));
2365 }
2366
2367 static int
2368 kgrep_walk_vmem(uintptr_t addr, const vmem_t *vmem, kgrep_walk_data_t *kg)
2369 {
2370 mdb_walk_cb_t walk_vseg = (mdb_walk_cb_t)kgrep_walk_vseg;
2371
2372 if (strcmp(vmem->vm_name, "heap") != 0 &&
2373 strcmp(vmem->vm_name, "heap32") != 0 &&
2374 strcmp(vmem->vm_name, "heap_core") != 0 &&
2375 strcmp(vmem->vm_name, "heap_lp") != 0)
2376 return (WALK_NEXT);
2377
2378 if (strcmp(vmem->vm_name, "heap_lp") == 0)
2379 walk_vseg = (mdb_walk_cb_t)kgrep_xwalk_vseg;
2380
2381 if (mdb_pwalk("vmem_alloc", walk_vseg, kg, addr) == -1) {
2382 mdb_warn("couldn't walk vmem_alloc for vmem %p", addr);
2383 return (WALK_ERR);
2384 }
2385
2386 return (WALK_NEXT);
2387 }
2388
2389 int
2390 kgrep_subr(kgrep_cb_func *cb, void *cbdata)
2391 {
2392 GElf_Sym kas, kvseg, kvseg32, kvseg_core, segkpm;
2393 kgrep_walk_data_t kg;
2394
2395 if (mdb_get_state() == MDB_STATE_RUNNING) {
2396 mdb_warn("kgrep can only be run on a system "
2397 "dump or under kmdb; see dumpadm(1M)\n");
2398 return (DCMD_ERR);
2399 }
2400
2401 if (mdb_lookup_by_name("kas", &kas) == -1) {
2402 mdb_warn("failed to locate 'kas' symbol\n");
2403 return (DCMD_ERR);
2404 }
2405
2406 if (mdb_lookup_by_name("kvseg", &kvseg) == -1) {
2407 mdb_warn("failed to locate 'kvseg' symbol\n");
2408 return (DCMD_ERR);
2409 }
2410
2411 if (mdb_lookup_by_name("kvseg32", &kvseg32) == -1) {
2412 mdb_warn("failed to locate 'kvseg32' symbol\n");
2413 return (DCMD_ERR);
2414 }
2415
2416 if (mdb_lookup_by_name("kvseg_core", &kvseg_core) == -1) {
2417 mdb_warn("failed to locate 'kvseg_core' symbol\n");
2418 return (DCMD_ERR);
2419 }
2420
2421 if (mdb_lookup_by_name("segkpm_ops", &segkpm) == -1) {
2422 mdb_warn("failed to locate 'segkpm_ops' symbol\n");
2423 return (DCMD_ERR);
2424 }
2425
2426 if (mdb_readvar(&kg.kg_heap_lp_base, "heap_lp_base") == -1) {
2427 mdb_warn("failed to read 'heap_lp_base'\n");
2428 return (DCMD_ERR);
2429 }
2430
2431 if (mdb_readvar(&kg.kg_heap_lp_end, "heap_lp_end") == -1) {
2432 mdb_warn("failed to read 'heap_lp_end'\n");
2433 return (DCMD_ERR);
2434 }
2435
2436 kg.kg_cb = cb;
2437 kg.kg_cbdata = cbdata;
2438 kg.kg_kvseg = (uintptr_t)kvseg.st_value;
2439 kg.kg_kvseg32 = (uintptr_t)kvseg32.st_value;
2440 kg.kg_kvseg_core = (uintptr_t)kvseg_core.st_value;
2441 kg.kg_segkpm = (uintptr_t)segkpm.st_value;
2442
2443 if (mdb_pwalk("seg", (mdb_walk_cb_t)kgrep_walk_seg,
2444 &kg, kas.st_value) == -1) {
2445 mdb_warn("failed to walk kas segments");
2446 return (DCMD_ERR);
2447 }
2448
2449 if (mdb_walk("vmem", (mdb_walk_cb_t)kgrep_walk_vmem, &kg) == -1) {
2450 mdb_warn("failed to walk heap/heap32 vmem arenas");
2451 return (DCMD_ERR);
2452 }
2453
2454 return (DCMD_OK);
2455 }
2456
2457 size_t
2458 kgrep_subr_pagesize(void)
2459 {
2460 return (PAGESIZE);
2461 }
2462
2463 typedef struct file_walk_data {
2464 struct uf_entry *fw_flist;
2465 int fw_flistsz;
2466 int fw_ndx;
2467 int fw_nofiles;
2468 } file_walk_data_t;
2469
2470 typedef struct mdb_file_proc {
2471 struct {
2472 struct {
2473 int fi_nfiles;
2474 uf_entry_t *volatile fi_list;
2475 } u_finfo;
2476 } p_user;
2477 } mdb_file_proc_t;
2478
2479 int
2480 file_walk_init(mdb_walk_state_t *wsp)
2481 {
2482 file_walk_data_t *fw;
2483 mdb_file_proc_t p;
2484
2485 if (wsp->walk_addr == NULL) {
2486 mdb_warn("file walk doesn't support global walks\n");
2487 return (WALK_ERR);
2488 }
2489
2490 fw = mdb_alloc(sizeof (file_walk_data_t), UM_SLEEP);
2491
2492 if (mdb_ctf_vread(&p, "proc_t", "mdb_file_proc_t",
2493 wsp->walk_addr, 0) == -1) {
2494 mdb_free(fw, sizeof (file_walk_data_t));
2495 mdb_warn("failed to read proc structure at %p", wsp->walk_addr);
2496 return (WALK_ERR);
2497 }
2498
2499 if (p.p_user.u_finfo.fi_nfiles == 0) {
2500 mdb_free(fw, sizeof (file_walk_data_t));
2501 return (WALK_DONE);
2502 }
2503
2504 fw->fw_nofiles = p.p_user.u_finfo.fi_nfiles;
2505 fw->fw_flistsz = sizeof (struct uf_entry) * fw->fw_nofiles;
2506 fw->fw_flist = mdb_alloc(fw->fw_flistsz, UM_SLEEP);
2507
2508 if (mdb_vread(fw->fw_flist, fw->fw_flistsz,
2509 (uintptr_t)p.p_user.u_finfo.fi_list) == -1) {
2510 mdb_warn("failed to read file array at %p",
2511 p.p_user.u_finfo.fi_list);
2512 mdb_free(fw->fw_flist, fw->fw_flistsz);
2513 mdb_free(fw, sizeof (file_walk_data_t));
2514 return (WALK_ERR);
2515 }
2516
2517 fw->fw_ndx = 0;
2518 wsp->walk_data = fw;
2519
2520 return (WALK_NEXT);
2521 }
2522
2523 int
2524 file_walk_step(mdb_walk_state_t *wsp)
2525 {
2526 file_walk_data_t *fw = (file_walk_data_t *)wsp->walk_data;
2527 struct file file;
2528 uintptr_t fp;
2529
2530 again:
2531 if (fw->fw_ndx == fw->fw_nofiles)
2532 return (WALK_DONE);
2533
2534 if ((fp = (uintptr_t)fw->fw_flist[fw->fw_ndx++].uf_file) == NULL)
2535 goto again;
2536
2537 (void) mdb_vread(&file, sizeof (file), (uintptr_t)fp);
2538 return (wsp->walk_callback(fp, &file, wsp->walk_cbdata));
2539 }
2540
2541 int
2542 allfile_walk_step(mdb_walk_state_t *wsp)
2543 {
2544 file_walk_data_t *fw = (file_walk_data_t *)wsp->walk_data;
2545 struct file file;
2546 uintptr_t fp;
2547
2548 if (fw->fw_ndx == fw->fw_nofiles)
2549 return (WALK_DONE);
2550
2551 if ((fp = (uintptr_t)fw->fw_flist[fw->fw_ndx++].uf_file) != 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 == 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 == 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 == 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) != 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 != NULL && mdb_ctf_vread(&pr, "proc_t", "mdb_walk_proc_t",
2793 sib, 0) == -1) {
2794 mdb_warn("proc %p has invalid p_sibling %p; skipping\n",
2795 addr, sib);
2796 sib = NULL;
2797 }
2798
2799 if ((wsp->walk_addr = sib) == 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 == 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 != 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 != NULL && panic_cpu.cpu_id == cpu.cpu_id) {
2980 cw->cw_array[i++] = addr;
2981 } else {
2982 cw->cw_array[i++] = current;
2983 }
2984 } while ((current = (uintptr_t)cpu.cpu_next) != first);
2985
2986 qsort(cw->cw_array, i, sizeof (uintptr_t), cpu_walk_cmp);
2987 wsp->walk_data = cw;
2988
2989 return (WALK_NEXT);
2990 }
2991
2992 int
2993 cpu_walk_step(mdb_walk_state_t *wsp)
2994 {
2995 cpu_walk_t *cw = wsp->walk_data;
2996 cpu_t cpu;
2997 uintptr_t addr = cw->cw_array[cw->cw_ndx++];
2998
2999 if (addr == NULL)
3000 return (WALK_DONE);
3001
3002 if (mdb_vread(&cpu, sizeof (cpu), addr) == -1) {
3003 mdb_warn("failed to read cpu at %p", addr);
3004 return (WALK_DONE);
3005 }
3006
3007 return (wsp->walk_callback(addr, &cpu, wsp->walk_cbdata));
3008 }
3009
3010 typedef struct cpuinfo_data {
3011 intptr_t cid_cpu;
3012 uintptr_t **cid_ithr;
3013 char cid_print_head;
3014 char cid_print_thr;
3015 char cid_print_ithr;
3016 char cid_print_flags;
3017 } cpuinfo_data_t;
3018
3019 int
3020 cpuinfo_walk_ithread(uintptr_t addr, const kthread_t *thr, cpuinfo_data_t *cid)
3021 {
3022 cpu_t c;
3023 int id;
3024 uint8_t pil;
3025
3026 if (!(thr->t_flag & T_INTR_THREAD) || thr->t_state == TS_FREE)
3027 return (WALK_NEXT);
3028
3029 if (thr->t_bound_cpu == NULL) {
3030 mdb_warn("thr %p is intr thread w/out a CPU\n", addr);
3031 return (WALK_NEXT);
3032 }
3033
3034 (void) mdb_vread(&c, sizeof (c), (uintptr_t)thr->t_bound_cpu);
3035
3036 if ((id = c.cpu_id) >= NCPU) {
3037 mdb_warn("CPU %p has id (%d) greater than NCPU (%d)\n",
3038 thr->t_bound_cpu, id, NCPU);
3039 return (WALK_NEXT);
3040 }
3041
3042 if ((pil = thr->t_pil) >= NINTR) {
3043 mdb_warn("thread %p has pil (%d) greater than %d\n",
3044 addr, pil, NINTR);
3045 return (WALK_NEXT);
3046 }
3047
3048 if (cid->cid_ithr[id][pil] != NULL) {
3049 mdb_warn("CPU %d has multiple threads at pil %d (at least "
3050 "%p and %p)\n", id, pil, addr, cid->cid_ithr[id][pil]);
3051 return (WALK_NEXT);
3052 }
3053
3054 cid->cid_ithr[id][pil] = addr;
3055
3056 return (WALK_NEXT);
3057 }
3058
3059 #define CPUINFO_IDWIDTH 3
3060 #define CPUINFO_FLAGWIDTH 9
3061
3062 #ifdef _LP64
3063 #if defined(__amd64)
3064 #define CPUINFO_TWIDTH 16
3065 #define CPUINFO_CPUWIDTH 16
3066 #else
3067 #define CPUINFO_CPUWIDTH 11
3068 #define CPUINFO_TWIDTH 11
3069 #endif
3070 #else
3071 #define CPUINFO_CPUWIDTH 8
3072 #define CPUINFO_TWIDTH 8
3073 #endif
3074
3075 #define CPUINFO_THRDELT (CPUINFO_IDWIDTH + CPUINFO_CPUWIDTH + 9)
3076 #define CPUINFO_FLAGDELT (CPUINFO_IDWIDTH + CPUINFO_CPUWIDTH + 4)
3077 #define CPUINFO_ITHRDELT 4
3078
3079 #define CPUINFO_INDENT mdb_printf("%*s", CPUINFO_THRDELT, \
3080 flagline < nflaglines ? flagbuf[flagline++] : "")
3081
3082 typedef struct mdb_cpuinfo_proc {
3083 struct {
3084 char u_comm[MAXCOMLEN + 1];
3085 } p_user;
3086 } mdb_cpuinfo_proc_t;
3087
3088 int
3089 cpuinfo_walk_cpu(uintptr_t addr, const cpu_t *cpu, cpuinfo_data_t *cid)
3090 {
3091 kthread_t t;
3092 disp_t disp;
3093 mdb_cpuinfo_proc_t p;
3094 uintptr_t pinned;
3095 char **flagbuf;
3096 int nflaglines = 0, flagline = 0, bspl, rval = WALK_NEXT;
3097
3098 const char *flags[] = {
3099 "RUNNING", "READY", "QUIESCED", "EXISTS",
3100 "ENABLE", "OFFLINE", "POWEROFF", "FROZEN",
3101 "SPARE", "FAULTED", NULL
3102 };
3103
3104 if (cid->cid_cpu != -1) {
3105 if (addr != cid->cid_cpu && cpu->cpu_id != cid->cid_cpu)
3106 return (WALK_NEXT);
3107
3108 /*
3109 * Set cid_cpu to -1 to indicate that we found a matching CPU.
3110 */
3111 cid->cid_cpu = -1;
3112 rval = WALK_DONE;
3113 }
3114
3115 if (cid->cid_print_head) {
3116 mdb_printf("%3s %-*s %3s %4s %4s %3s %4s %5s %-6s %-*s %s\n",
3117 "ID", CPUINFO_CPUWIDTH, "ADDR", "FLG", "NRUN", "BSPL",
3118 "PRI", "RNRN", "KRNRN", "SWITCH", CPUINFO_TWIDTH, "THREAD",
3119 "PROC");
3120 cid->cid_print_head = FALSE;
3121 }
3122
3123 bspl = cpu->cpu_base_spl;
3124
3125 if (mdb_vread(&disp, sizeof (disp_t), (uintptr_t)cpu->cpu_disp) == -1) {
3126 mdb_warn("failed to read disp_t at %p", cpu->cpu_disp);
3127 return (WALK_ERR);
3128 }
3129
3130 mdb_printf("%3d %0*p %3x %4d %4d ",
3131 cpu->cpu_id, CPUINFO_CPUWIDTH, addr, cpu->cpu_flags,
3132 disp.disp_nrunnable, bspl);
3133
3134 if (mdb_vread(&t, sizeof (t), (uintptr_t)cpu->cpu_thread) != -1) {
3135 mdb_printf("%3d ", t.t_pri);
3136 } else {
3137 mdb_printf("%3s ", "-");
3138 }
3139
3140 mdb_printf("%4s %5s ", cpu->cpu_runrun ? "yes" : "no",
3141 cpu->cpu_kprunrun ? "yes" : "no");
3142
3143 if (cpu->cpu_last_swtch) {
3144 mdb_printf("t-%-4d ",
3145 (clock_t)mdb_get_lbolt() - cpu->cpu_last_swtch);
3146 } else {
3147 mdb_printf("%-6s ", "-");
3148 }
3149
3150 mdb_printf("%0*p", CPUINFO_TWIDTH, cpu->cpu_thread);
3151
3152 if (cpu->cpu_thread == cpu->cpu_idle_thread)
3153 mdb_printf(" (idle)\n");
3154 else if (cpu->cpu_thread == NULL)
3155 mdb_printf(" -\n");
3156 else {
3157 if (mdb_ctf_vread(&p, "proc_t", "mdb_cpuinfo_proc_t",
3158 (uintptr_t)t.t_procp, 0) != -1) {
3159 mdb_printf(" %s\n", p.p_user.u_comm);
3160 } else {
3161 mdb_printf(" ?\n");
3162 }
3163 }
3164
3165 flagbuf = mdb_zalloc(sizeof (flags), UM_SLEEP | UM_GC);
3166
3167 if (cid->cid_print_flags) {
3168 int first = 1, i, j, k;
3169 char *s;
3170
3171 cid->cid_print_head = TRUE;
3172
3173 for (i = 1, j = 0; flags[j] != NULL; i <<= 1, j++) {
3174 if (!(cpu->cpu_flags & i))
3175 continue;
3176
3177 if (first) {
3178 s = mdb_alloc(CPUINFO_THRDELT + 1,
3179 UM_GC | UM_SLEEP);
3180
3181 (void) mdb_snprintf(s, CPUINFO_THRDELT + 1,
3182 "%*s|%*s", CPUINFO_FLAGDELT, "",
3183 CPUINFO_THRDELT - 1 - CPUINFO_FLAGDELT, "");
3184 flagbuf[nflaglines++] = s;
3185 }
3186
3187 s = mdb_alloc(CPUINFO_THRDELT + 1, UM_GC | UM_SLEEP);
3188 (void) mdb_snprintf(s, CPUINFO_THRDELT + 1, "%*s%*s %s",
3189 CPUINFO_IDWIDTH + CPUINFO_CPUWIDTH -
3190 CPUINFO_FLAGWIDTH, "", CPUINFO_FLAGWIDTH, flags[j],
3191 first ? "<--+" : "");
3192
3193 for (k = strlen(s); k < CPUINFO_THRDELT; k++)
3194 s[k] = ' ';
3195 s[k] = '\0';
3196
3197 flagbuf[nflaglines++] = s;
3198 first = 0;
3199 }
3200 }
3201
3202 if (cid->cid_print_ithr) {
3203 int i, found_one = FALSE;
3204 int print_thr = disp.disp_nrunnable && cid->cid_print_thr;
3205
3206 for (i = NINTR - 1; i >= 0; i--) {
3207 uintptr_t iaddr = cid->cid_ithr[cpu->cpu_id][i];
3208
3209 if (iaddr == NULL)
3210 continue;
3211
3212 if (!found_one) {
3213 found_one = TRUE;
3214
3215 CPUINFO_INDENT;
3216 mdb_printf("%c%*s|\n", print_thr ? '|' : ' ',
3217 CPUINFO_ITHRDELT, "");
3218
3219 CPUINFO_INDENT;
3220 mdb_printf("%c%*s+--> %3s %s\n",
3221 print_thr ? '|' : ' ', CPUINFO_ITHRDELT,
3222 "", "PIL", "THREAD");
3223 }
3224
3225 if (mdb_vread(&t, sizeof (t), iaddr) == -1) {
3226 mdb_warn("failed to read kthread_t at %p",
3227 iaddr);
3228 return (WALK_ERR);
3229 }
3230
3231 CPUINFO_INDENT;
3232 mdb_printf("%c%*s %3d %0*p\n",
3233 print_thr ? '|' : ' ', CPUINFO_ITHRDELT, "",
3234 t.t_pil, CPUINFO_TWIDTH, iaddr);
3235
3236 pinned = (uintptr_t)t.t_intr;
3237 }
3238
3239 if (found_one && pinned != NULL) {
3240 cid->cid_print_head = TRUE;
3241 (void) strcpy(p.p_user.u_comm, "?");
3242
3243 if (mdb_vread(&t, sizeof (t),
3244 (uintptr_t)pinned) == -1) {
3245 mdb_warn("failed to read kthread_t at %p",
3246 pinned);
3247 return (WALK_ERR);
3248 }
3249 if (mdb_ctf_vread(&p, "proc_t", "mdb_cpuinfo_proc_t",
3250 (uintptr_t)t.t_procp, 0) == -1) {
3251 mdb_warn("failed to read proc_t at %p",
3252 t.t_procp);
3253 return (WALK_ERR);
3254 }
3255
3256 CPUINFO_INDENT;
3257 mdb_printf("%c%*s %3s %0*p %s\n",
3258 print_thr ? '|' : ' ', CPUINFO_ITHRDELT, "", "-",
3259 CPUINFO_TWIDTH, pinned,
3260 pinned == (uintptr_t)cpu->cpu_idle_thread ?
3261 "(idle)" : p.p_user.u_comm);
3262 }
3263 }
3264
3265 if (disp.disp_nrunnable && cid->cid_print_thr) {
3266 dispq_t *dq;
3267
3268 int i, npri = disp.disp_npri;
3269
3270 dq = mdb_alloc(sizeof (dispq_t) * npri, UM_SLEEP | UM_GC);
3271
3272 if (mdb_vread(dq, sizeof (dispq_t) * npri,
3273 (uintptr_t)disp.disp_q) == -1) {
3274 mdb_warn("failed to read dispq_t at %p", disp.disp_q);
3275 return (WALK_ERR);
3276 }
3277
3278 CPUINFO_INDENT;
3279 mdb_printf("|\n");
3280
3281 CPUINFO_INDENT;
3282 mdb_printf("+--> %3s %-*s %s\n", "PRI",
3283 CPUINFO_TWIDTH, "THREAD", "PROC");
3284
3285 for (i = npri - 1; i >= 0; i--) {
3286 uintptr_t taddr = (uintptr_t)dq[i].dq_first;
3287
3288 while (taddr != NULL) {
3289 if (mdb_vread(&t, sizeof (t), taddr) == -1) {
3290 mdb_warn("failed to read kthread_t "
3291 "at %p", taddr);
3292 return (WALK_ERR);
3293 }
3294 if (mdb_ctf_vread(&p, "proc_t",
3295 "mdb_cpuinfo_proc_t",
3296 (uintptr_t)t.t_procp, 0) == -1) {
3297 mdb_warn("failed to read proc_t at %p",
3298 t.t_procp);
3299 return (WALK_ERR);
3300 }
3301
3302 CPUINFO_INDENT;
3303 mdb_printf(" %3d %0*p %s\n", t.t_pri,
3304 CPUINFO_TWIDTH, taddr, p.p_user.u_comm);
3305
3306 taddr = (uintptr_t)t.t_link;
3307 }
3308 }
3309 cid->cid_print_head = TRUE;
3310 }
3311
3312 while (flagline < nflaglines)
3313 mdb_printf("%s\n", flagbuf[flagline++]);
3314
3315 if (cid->cid_print_head)
3316 mdb_printf("\n");
3317
3318 return (rval);
3319 }
3320
3321 int
3322 cpuinfo(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
3323 {
3324 uint_t verbose = FALSE;
3325 cpuinfo_data_t cid;
3326
3327 cid.cid_print_ithr = FALSE;
3328 cid.cid_print_thr = FALSE;
3329 cid.cid_print_flags = FALSE;
3330 cid.cid_print_head = DCMD_HDRSPEC(flags) ? TRUE : FALSE;
3331 cid.cid_cpu = -1;
3332
3333 if (flags & DCMD_ADDRSPEC)
3334 cid.cid_cpu = addr;
3335
3336 if (mdb_getopts(argc, argv,
3337 'v', MDB_OPT_SETBITS, TRUE, &verbose, NULL) != argc)
3338 return (DCMD_USAGE);
3339
3340 if (verbose) {
3341 cid.cid_print_ithr = TRUE;
3342 cid.cid_print_thr = TRUE;
3343 cid.cid_print_flags = TRUE;
3344 cid.cid_print_head = TRUE;
3345 }
3346
3347 if (cid.cid_print_ithr) {
3348 int i;
3349
3350 cid.cid_ithr = mdb_alloc(sizeof (uintptr_t **)
3351 * NCPU, UM_SLEEP | UM_GC);
3352
3353 for (i = 0; i < NCPU; i++)
3354 cid.cid_ithr[i] = mdb_zalloc(sizeof (uintptr_t *) *
3355 NINTR, UM_SLEEP | UM_GC);
3356
3357 if (mdb_walk("thread", (mdb_walk_cb_t)cpuinfo_walk_ithread,
3358 &cid) == -1) {
3359 mdb_warn("couldn't walk thread");
3360 return (DCMD_ERR);
3361 }
3362 }
3363
3364 if (mdb_walk("cpu", (mdb_walk_cb_t)cpuinfo_walk_cpu, &cid) == -1) {
3365 mdb_warn("can't walk cpus");
3366 return (DCMD_ERR);
3367 }
3368
3369 if (cid.cid_cpu != -1) {
3370 /*
3371 * We didn't find this CPU when we walked through the CPUs
3372 * (i.e. the address specified doesn't show up in the "cpu"
3373 * walk). However, the specified address may still correspond
3374 * to a valid cpu_t (for example, if the specified address is
3375 * the actual panicking cpu_t and not the cached panic_cpu).
3376 * Point is: even if we didn't find it, we still want to try
3377 * to print the specified address as a cpu_t.
3378 */
3379 cpu_t cpu;
3380
3381 if (mdb_vread(&cpu, sizeof (cpu), cid.cid_cpu) == -1) {
3382 mdb_warn("%p is neither a valid CPU ID nor a "
3383 "valid cpu_t address\n", cid.cid_cpu);
3384 return (DCMD_ERR);
3385 }
3386
3387 (void) cpuinfo_walk_cpu(cid.cid_cpu, &cpu, &cid);
3388 }
3389
3390 return (DCMD_OK);
3391 }
3392
3393 /*ARGSUSED*/
3394 int
3395 flipone(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
3396 {
3397 int i;
3398
3399 if (!(flags & DCMD_ADDRSPEC))
3400 return (DCMD_USAGE);
3401
3402 for (i = 0; i < sizeof (addr) * NBBY; i++)
3403 mdb_printf("%p\n", addr ^ (1UL << i));
3404
3405 return (DCMD_OK);
3406 }
3407
3408 typedef struct mdb_as2proc_proc {
3409 struct as *p_as;
3410 } mdb_as2proc_proc_t;
3411
3412 /*ARGSUSED*/
3413 int
3414 as2proc_walk(uintptr_t addr, const void *ignored, struct as **asp)
3415 {
3416 mdb_as2proc_proc_t p;
3417
3418 mdb_ctf_vread(&p, "proc_t", "mdb_as2proc_proc_t", addr, 0);
3419
3420 if (p.p_as == *asp)
3421 mdb_printf("%p\n", addr);
3422 return (WALK_NEXT);
3423 }
3424
3425 /*ARGSUSED*/
3426 int
3427 as2proc(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
3428 {
3429 if (!(flags & DCMD_ADDRSPEC) || argc != 0)
3430 return (DCMD_USAGE);
3431
3432 if (mdb_walk("proc", (mdb_walk_cb_t)as2proc_walk, &addr) == -1) {
3433 mdb_warn("failed to walk proc");
3434 return (DCMD_ERR);
3435 }
3436
3437 return (DCMD_OK);
3438 }
3439
3440 typedef struct mdb_ptree_proc {
3441 struct proc *p_parent;
3442 struct {
3443 char u_comm[MAXCOMLEN + 1];
3444 } p_user;
3445 } mdb_ptree_proc_t;
3446
3447 /*ARGSUSED*/
3448 int
3449 ptree_walk(uintptr_t addr, const void *ignored, void *data)
3450 {
3451 mdb_ptree_proc_t proc;
3452 mdb_ptree_proc_t parent;
3453 int ident = 0;
3454 uintptr_t paddr;
3455
3456 mdb_ctf_vread(&proc, "proc_t", "mdb_ptree_proc_t", addr, 0);
3457
3458 for (paddr = (uintptr_t)proc.p_parent; paddr != NULL; ident += 5) {
3459 mdb_ctf_vread(&parent, "proc_t", "mdb_ptree_proc_t", paddr, 0);
3460 paddr = (uintptr_t)parent.p_parent;
3461 }
3462
3463 mdb_inc_indent(ident);
3464 mdb_printf("%0?p %s\n", addr, proc.p_user.u_comm);
3465 mdb_dec_indent(ident);
3466
3467 return (WALK_NEXT);
3468 }
3469
3470 void
3471 ptree_ancestors(uintptr_t addr, uintptr_t start)
3472 {
3473 mdb_ptree_proc_t p;
3474
3475 if (mdb_ctf_vread(&p, "proc_t", "mdb_ptree_proc_t", addr, 0) == -1) {
3476 mdb_warn("couldn't read ancestor at %p", addr);
3477 return;
3478 }
3479
3480 if (p.p_parent != NULL)
3481 ptree_ancestors((uintptr_t)p.p_parent, start);
3482
3483 if (addr != start)
3484 (void) ptree_walk(addr, &p, NULL);
3485 }
3486
3487 /*ARGSUSED*/
3488 int
3489 ptree(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
3490 {
3491 if (!(flags & DCMD_ADDRSPEC))
3492 addr = NULL;
3493 else
3494 ptree_ancestors(addr, addr);
3495
3496 if (mdb_pwalk("proc", (mdb_walk_cb_t)ptree_walk, NULL, addr) == -1) {
3497 mdb_warn("couldn't walk 'proc'");
3498 return (DCMD_ERR);
3499 }
3500
3501 return (DCMD_OK);
3502 }
3503
3504 typedef struct mdb_fd_proc {
3505 struct {
3506 struct {
3507 int fi_nfiles;
3508 uf_entry_t *volatile fi_list;
3509 } u_finfo;
3510 } p_user;
3511 } mdb_fd_proc_t;
3512
3513 /*ARGSUSED*/
3514 static int
3515 fd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
3516 {
3517 int fdnum;
3518 const mdb_arg_t *argp = &argv[0];
3519 mdb_fd_proc_t p;
3520 uf_entry_t uf;
3521
3522 if ((flags & DCMD_ADDRSPEC) == 0) {
3523 mdb_warn("fd doesn't give global information\n");
3524 return (DCMD_ERR);
3525 }
3526 if (argc != 1)
3527 return (DCMD_USAGE);
3528
3529 if (argp->a_type == MDB_TYPE_IMMEDIATE)
3530 fdnum = argp->a_un.a_val;
3531 else
3532 fdnum = mdb_strtoull(argp->a_un.a_str);
3533
3534 if (mdb_ctf_vread(&p, "proc_t", "mdb_fd_proc_t", addr, 0) == -1) {
3535 mdb_warn("couldn't read proc_t at %p", addr);
3536 return (DCMD_ERR);
3537 }
3538 if (fdnum > p.p_user.u_finfo.fi_nfiles) {
3539 mdb_warn("process %p only has %d files open.\n",
3540 addr, p.p_user.u_finfo.fi_nfiles);
3541 return (DCMD_ERR);
3542 }
3543 if (mdb_vread(&uf, sizeof (uf_entry_t),
3544 (uintptr_t)&p.p_user.u_finfo.fi_list[fdnum]) == -1) {
3545 mdb_warn("couldn't read uf_entry_t at %p",
3546 &p.p_user.u_finfo.fi_list[fdnum]);
3547 return (DCMD_ERR);
3548 }
3549
3550 mdb_printf("%p\n", uf.uf_file);
3551 return (DCMD_OK);
3552 }
3553
3554 /*ARGSUSED*/
3555 static int
3556 pid2proc(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
3557 {
3558 pid_t pid = (pid_t)addr;
3559
3560 if (argc != 0)
3561 return (DCMD_USAGE);
3562
3563 if ((addr = mdb_pid2proc(pid, NULL)) == 0) {
3564 mdb_warn("PID 0t%d not found\n", pid);
3565 return (DCMD_ERR);
3566 }
3567
3568 mdb_printf("%p\n", addr);
3569 return (DCMD_OK);
3570 }
3571
3572 static char *sysfile_cmd[] = {
3573 "exclude:",
3574 "include:",
3575 "forceload:",
3576 "rootdev:",
3577 "rootfs:",
3578 "swapdev:",
3579 "swapfs:",
3580 "moddir:",
3581 "set",
3582 "unknown",
3583 };
3584
3585 static char *sysfile_ops[] = { "", "=", "&", "|" };
3586
3587 /*ARGSUSED*/
3588 static int
3589 sysfile_vmem_seg(uintptr_t addr, const vmem_seg_t *vsp, void **target)
3590 {
3591 if (vsp->vs_type == VMEM_ALLOC && (void *)vsp->vs_start == *target) {
3592 *target = NULL;
3593 return (WALK_DONE);
3594 }
3595 return (WALK_NEXT);
3596 }
3597
3598 /*ARGSUSED*/
3599 static int
3600 sysfile(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
3601 {
3602 struct sysparam *sysp, sys;
3603 char var[256];
3604 char modname[256];
3605 char val[256];
3606 char strval[256];
3607 vmem_t *mod_sysfile_arena;
3608 void *straddr;
3609
3610 if (mdb_readvar(&sysp, "sysparam_hd") == -1) {
3611 mdb_warn("failed to read sysparam_hd");
3612 return (DCMD_ERR);
3613 }
3614
3615 if (mdb_readvar(&mod_sysfile_arena, "mod_sysfile_arena") == -1) {
3616 mdb_warn("failed to read mod_sysfile_arena");
3617 return (DCMD_ERR);
3618 }
3619
3620 while (sysp != NULL) {
3621 var[0] = '\0';
3622 val[0] = '\0';
3623 modname[0] = '\0';
3624 if (mdb_vread(&sys, sizeof (sys), (uintptr_t)sysp) == -1) {
3625 mdb_warn("couldn't read sysparam %p", sysp);
3626 return (DCMD_ERR);
3627 }
3628 if (sys.sys_modnam != NULL &&
3629 mdb_readstr(modname, 256,
3630 (uintptr_t)sys.sys_modnam) == -1) {
3631 mdb_warn("couldn't read modname in %p", sysp);
3632 return (DCMD_ERR);
3633 }
3634 if (sys.sys_ptr != NULL &&
3635 mdb_readstr(var, 256, (uintptr_t)sys.sys_ptr) == -1) {
3636 mdb_warn("couldn't read ptr in %p", sysp);
3637 return (DCMD_ERR);
3638 }
3639 if (sys.sys_op != SETOP_NONE) {
3640 /*
3641 * Is this an int or a string? We determine this
3642 * by checking whether straddr is contained in
3643 * mod_sysfile_arena. If so, the walker will set
3644 * straddr to NULL.
3645 */
3646 straddr = (void *)(uintptr_t)sys.sys_info;
3647 if (sys.sys_op == SETOP_ASSIGN &&
3648 sys.sys_info != 0 &&
3649 mdb_pwalk("vmem_seg",
3650 (mdb_walk_cb_t)sysfile_vmem_seg, &straddr,
3651 (uintptr_t)mod_sysfile_arena) == 0 &&
3652 straddr == NULL &&
3653 mdb_readstr(strval, 256,
3654 (uintptr_t)sys.sys_info) != -1) {
3655 (void) mdb_snprintf(val, sizeof (val), "\"%s\"",
3656 strval);
3657 } else {
3658 (void) mdb_snprintf(val, sizeof (val),
3659 "0x%llx [0t%llu]", sys.sys_info,
3660 sys.sys_info);
3661 }
3662 }
3663 mdb_printf("%s %s%s%s%s%s\n", sysfile_cmd[sys.sys_type],
3664 modname, modname[0] == '\0' ? "" : ":",
3665 var, sysfile_ops[sys.sys_op], val);
3666
3667 sysp = sys.sys_next;
3668 }
3669
3670 return (DCMD_OK);
3671 }
3672
3673 int
3674 didmatch(uintptr_t addr, const kthread_t *thr, kt_did_t *didp)
3675 {
3676
3677 if (*didp == thr->t_did) {
3678 mdb_printf("%p\n", addr);
3679 return (WALK_DONE);
3680 } else
3681 return (WALK_NEXT);
3682 }
3683
3684 /*ARGSUSED*/
3685 int
3686 did2thread(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
3687 {
3688 const mdb_arg_t *argp = &argv[0];
3689 kt_did_t did;
3690
3691 if (argc != 1)
3692 return (DCMD_USAGE);
3693
3694 did = (kt_did_t)mdb_strtoull(argp->a_un.a_str);
3695
3696 if (mdb_walk("thread", (mdb_walk_cb_t)didmatch, (void *)&did) == -1) {
3697 mdb_warn("failed to walk thread");
3698 return (DCMD_ERR);
3699
3700 }
3701 return (DCMD_OK);
3702
3703 }
3704
3705 static int
3706 errorq_walk_init(mdb_walk_state_t *wsp)
3707 {
3708 if (wsp->walk_addr == NULL &&
3709 mdb_readvar(&wsp->walk_addr, "errorq_list") == -1) {
3710 mdb_warn("failed to read errorq_list");
3711 return (WALK_ERR);
3712 }
3713
3714 return (WALK_NEXT);
3715 }
3716
3717 static int
3718 errorq_walk_step(mdb_walk_state_t *wsp)
3719 {
3720 uintptr_t addr = wsp->walk_addr;
3721 errorq_t eq;
3722
3723 if (addr == NULL)
3724 return (WALK_DONE);
3725
3726 if (mdb_vread(&eq, sizeof (eq), addr) == -1) {
3727 mdb_warn("failed to read errorq at %p", addr);
3728 return (WALK_ERR);
3729 }
3730
3731 wsp->walk_addr = (uintptr_t)eq.eq_next;
3732 return (wsp->walk_callback(addr, &eq, wsp->walk_cbdata));
3733 }
3734
3735 typedef struct eqd_walk_data {
3736 uintptr_t *eqd_stack;
3737 void *eqd_buf;
3738 ulong_t eqd_qpos;
3739 ulong_t eqd_qlen;
3740 size_t eqd_size;
3741 } eqd_walk_data_t;
3742
3743 /*
3744 * In order to walk the list of pending error queue elements, we push the
3745 * addresses of the corresponding data buffers in to the eqd_stack array.
3746 * The error lists are in reverse chronological order when iterating using
3747 * eqe_prev, so we then pop things off the top in eqd_walk_step so that the
3748 * walker client gets addresses in order from oldest error to newest error.
3749 */
3750 static void
3751 eqd_push_list(eqd_walk_data_t *eqdp, uintptr_t addr)
3752 {
3753 errorq_elem_t eqe;
3754
3755 while (addr != NULL) {
3756 if (mdb_vread(&eqe, sizeof (eqe), addr) != sizeof (eqe)) {
3757 mdb_warn("failed to read errorq element at %p", addr);
3758 break;
3759 }
3760
3761 if (eqdp->eqd_qpos == eqdp->eqd_qlen) {
3762 mdb_warn("errorq is overfull -- more than %lu "
3763 "elems found\n", eqdp->eqd_qlen);
3764 break;
3765 }
3766
3767 eqdp->eqd_stack[eqdp->eqd_qpos++] = (uintptr_t)eqe.eqe_data;
3768 addr = (uintptr_t)eqe.eqe_prev;
3769 }
3770 }
3771
3772 static int
3773 eqd_walk_init(mdb_walk_state_t *wsp)
3774 {
3775 eqd_walk_data_t *eqdp;
3776 errorq_elem_t eqe, *addr;
3777 errorq_t eq;
3778 ulong_t i;
3779
3780 if (mdb_vread(&eq, sizeof (eq), wsp->walk_addr) == -1) {
3781 mdb_warn("failed to read errorq at %p", wsp->walk_addr);
3782 return (WALK_ERR);
3783 }
3784
3785 if (eq.eq_ptail != NULL &&
3786 mdb_vread(&eqe, sizeof (eqe), (uintptr_t)eq.eq_ptail) == -1) {
3787 mdb_warn("failed to read errorq element at %p", eq.eq_ptail);
3788 return (WALK_ERR);
3789 }
3790
3791 eqdp = mdb_alloc(sizeof (eqd_walk_data_t), UM_SLEEP);
3792 wsp->walk_data = eqdp;
3793
3794 eqdp->eqd_stack = mdb_zalloc(sizeof (uintptr_t) * eq.eq_qlen, UM_SLEEP);
3795 eqdp->eqd_buf = mdb_alloc(eq.eq_size, UM_SLEEP);
3796 eqdp->eqd_qlen = eq.eq_qlen;
3797 eqdp->eqd_qpos = 0;
3798 eqdp->eqd_size = eq.eq_size;
3799
3800 /*
3801 * The newest elements in the queue are on the pending list, so we
3802 * push those on to our stack first.
3803 */
3804 eqd_push_list(eqdp, (uintptr_t)eq.eq_pend);
3805
3806 /*
3807 * If eq_ptail is set, it may point to a subset of the errors on the
3808 * pending list in the event a atomic_cas_ptr() failed; if ptail's
3809 * data is already in our stack, NULL out eq_ptail and ignore it.
3810 */
3811 if (eq.eq_ptail != NULL) {
3812 for (i = 0; i < eqdp->eqd_qpos; i++) {
3813 if (eqdp->eqd_stack[i] == (uintptr_t)eqe.eqe_data) {
3814 eq.eq_ptail = NULL;
3815 break;
3816 }
3817 }
3818 }
3819
3820 /*
3821 * If eq_phead is set, it has the processing list in order from oldest
3822 * to newest. Use this to recompute eq_ptail as best we can and then
3823 * we nicely fall into eqd_push_list() of eq_ptail below.
3824 */
3825 for (addr = eq.eq_phead; addr != NULL && mdb_vread(&eqe, sizeof (eqe),
3826 (uintptr_t)addr) == sizeof (eqe); addr = eqe.eqe_next)
3827 eq.eq_ptail = addr;
3828
3829 /*
3830 * The oldest elements in the queue are on the processing list, subject
3831 * to machinations in the if-clauses above. Push any such elements.
3832 */
3833 eqd_push_list(eqdp, (uintptr_t)eq.eq_ptail);
3834 return (WALK_NEXT);
3835 }
3836
3837 static int
3838 eqd_walk_step(mdb_walk_state_t *wsp)
3839 {
3840 eqd_walk_data_t *eqdp = wsp->walk_data;
3841 uintptr_t addr;
3842
3843 if (eqdp->eqd_qpos == 0)
3844 return (WALK_DONE);
3845
3846 addr = eqdp->eqd_stack[--eqdp->eqd_qpos];
3847
3848 if (mdb_vread(eqdp->eqd_buf, eqdp->eqd_size, addr) != eqdp->eqd_size) {
3849 mdb_warn("failed to read errorq data at %p", addr);
3850 return (WALK_ERR);
3851 }
3852
3853 return (wsp->walk_callback(addr, eqdp->eqd_buf, wsp->walk_cbdata));
3854 }
3855
3856 static void
3857 eqd_walk_fini(mdb_walk_state_t *wsp)
3858 {
3859 eqd_walk_data_t *eqdp = wsp->walk_data;
3860
3861 mdb_free(eqdp->eqd_stack, sizeof (uintptr_t) * eqdp->eqd_qlen);
3862 mdb_free(eqdp->eqd_buf, eqdp->eqd_size);
3863 mdb_free(eqdp, sizeof (eqd_walk_data_t));
3864 }
3865
3866 #define EQKSVAL(eqv, what) (eqv.eq_kstat.what.value.ui64)
3867
3868 static int
3869 errorq(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
3870 {
3871 int i;
3872 errorq_t eq;
3873 uint_t opt_v = FALSE;
3874
3875 if (!(flags & DCMD_ADDRSPEC)) {
3876 if (mdb_walk_dcmd("errorq", "errorq", argc, argv) == -1) {
3877 mdb_warn("can't walk 'errorq'");
3878 return (DCMD_ERR);
3879 }
3880 return (DCMD_OK);
3881 }
3882
3883 i = mdb_getopts(argc, argv, 'v', MDB_OPT_SETBITS, TRUE, &opt_v, NULL);
3884 argc -= i;
3885 argv += i;
3886
3887 if (argc != 0)
3888 return (DCMD_USAGE);
3889
3890 if (opt_v || DCMD_HDRSPEC(flags)) {
3891 mdb_printf("%<u>%-11s %-16s %1s %1s %1s ",
3892 "ADDR", "NAME", "S", "V", "N");
3893 if (!opt_v) {
3894 mdb_printf("%7s %7s %7s%</u>\n",
3895 "ACCEPT", "DROP", "LOG");
3896 } else {
3897 mdb_printf("%5s %6s %6s %3s %16s%</u>\n",
3898 "KSTAT", "QLEN", "SIZE", "IPL", "FUNC");
3899 }
3900 }
3901
3902 if (mdb_vread(&eq, sizeof (eq), addr) != sizeof (eq)) {
3903 mdb_warn("failed to read errorq at %p", addr);
3904 return (DCMD_ERR);
3905 }
3906
3907 mdb_printf("%-11p %-16s %c %c %c ", addr, eq.eq_name,
3908 (eq.eq_flags & ERRORQ_ACTIVE) ? '+' : '-',
3909 (eq.eq_flags & ERRORQ_VITAL) ? '!' : ' ',
3910 (eq.eq_flags & ERRORQ_NVLIST) ? '*' : ' ');
3911
3912 if (!opt_v) {
3913 mdb_printf("%7llu %7llu %7llu\n",
3914 EQKSVAL(eq, eqk_dispatched) + EQKSVAL(eq, eqk_committed),
3915 EQKSVAL(eq, eqk_dropped) + EQKSVAL(eq, eqk_reserve_fail) +
3916 EQKSVAL(eq, eqk_commit_fail), EQKSVAL(eq, eqk_logged));
3917 } else {
3918 mdb_printf("%5s %6lu %6lu %3u %a\n",
3919 " | ", eq.eq_qlen, eq.eq_size, eq.eq_ipl, eq.eq_func);
3920 mdb_printf("%38s\n%41s"
3921 "%12s %llu\n"
3922 "%53s %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\n",
3929 "|", "+-> ",
3930 "DISPATCHED", EQKSVAL(eq, eqk_dispatched),
3931 "DROPPED", EQKSVAL(eq, eqk_dropped),
3932 "LOGGED", EQKSVAL(eq, eqk_logged),
3933 "RESERVED", EQKSVAL(eq, eqk_reserved),
3934 "RESERVE FAIL", EQKSVAL(eq, eqk_reserve_fail),
3935 "COMMITTED", EQKSVAL(eq, eqk_committed),
3936 "COMMIT FAIL", EQKSVAL(eq, eqk_commit_fail),
3937 "CANCELLED", EQKSVAL(eq, eqk_cancelled));
3938 }
3939
3940 return (DCMD_OK);
3941 }
3942
3943 /*ARGSUSED*/
3944 static int
3945 panicinfo(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
3946 {
3947 cpu_t panic_cpu;
3948 kthread_t *panic_thread;
3949 void *buf;
3950 panic_data_t *pd;
3951 int i, n;
3952
3953 if (!mdb_prop_postmortem) {
3954 mdb_warn("panicinfo can only be run on a system "
3955 "dump; see dumpadm(1M)\n");
3956 return (DCMD_ERR);
3957 }
3958
3959 if (flags & DCMD_ADDRSPEC || argc != 0)
3960 return (DCMD_USAGE);
3961
3962 if (mdb_readsym(&panic_cpu, sizeof (cpu_t), "panic_cpu") == -1)
3963 mdb_warn("failed to read 'panic_cpu'");
3964 else
3965 mdb_printf("%16s %?d\n", "cpu", panic_cpu.cpu_id);
3966
3967 if (mdb_readvar(&panic_thread, "panic_thread") == -1)
3968 mdb_warn("failed to read 'panic_thread'");
3969 else
3970 mdb_printf("%16s %?p\n", "thread", panic_thread);
3971
3972 buf = mdb_alloc(PANICBUFSIZE, UM_SLEEP);
3973 pd = (panic_data_t *)buf;
3974
3975 if (mdb_readsym(buf, PANICBUFSIZE, "panicbuf") == -1 ||
3976 pd->pd_version != PANICBUFVERS) {
3977 mdb_warn("failed to read 'panicbuf'");
3978 mdb_free(buf, PANICBUFSIZE);
3979 return (DCMD_ERR);
3980 }
3981
3982 mdb_printf("%16s %s\n", "message", (char *)buf + pd->pd_msgoff);
3983
3984 n = (pd->pd_msgoff - (sizeof (panic_data_t) -
3985 sizeof (panic_nv_t))) / sizeof (panic_nv_t);
3986
3987 for (i = 0; i < n; i++)
3988 mdb_printf("%16s %?llx\n",
3989 pd->pd_nvdata[i].pnv_name, pd->pd_nvdata[i].pnv_value);
3990
3991 mdb_free(buf, PANICBUFSIZE);
3992 return (DCMD_OK);
3993 }
3994
3995 /*
3996 * ::time dcmd, which will print a hires timestamp of when we entered the
3997 * debugger, or the lbolt value if used with the -l option.
3998 *
3999 */
4000 /*ARGSUSED*/
4001 static int
4002 time(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
4003 {
4004 uint_t opt_dec = FALSE;
4005 uint_t opt_lbolt = FALSE;
4006 uint_t opt_hex = FALSE;
4007 const char *fmt;
4008 hrtime_t result;
4009
4010 if (mdb_getopts(argc, argv,
4011 'd', MDB_OPT_SETBITS, TRUE, &opt_dec,
4012 'l', MDB_OPT_SETBITS, TRUE, &opt_lbolt,
4013 'x', MDB_OPT_SETBITS, TRUE, &opt_hex,
4014 NULL) != argc)
4015 return (DCMD_USAGE);
4016
4017 if (opt_dec && opt_hex)
4018 return (DCMD_USAGE);
4019
4020 result = opt_lbolt ? mdb_get_lbolt() : mdb_gethrtime();
4021 fmt =
4022 opt_hex ? "0x%llx\n" :
4023 opt_dec ? "0t%lld\n" : "%#llr\n";
4024
4025 mdb_printf(fmt, result);
4026 return (DCMD_OK);
4027 }
4028
4029 void
4030 time_help(void)
4031 {
4032 mdb_printf("Prints the system time in nanoseconds.\n\n"
4033 "::time will return the timestamp at which we dropped into, \n"
4034 "if called from, kmdb(1); the core dump's high resolution \n"
4035 "time if inspecting one; or the running hires time if we're \n"
4036 "looking at a live system.\n\n"
4037 "Switches:\n"
4038 " -d report times in decimal\n"
4039 " -l prints the number of clock ticks since system boot\n"
4040 " -x report times in hexadecimal\n");
4041 }
4042
4043 static const mdb_dcmd_t dcmds[] = {
4044
4045 /* from genunix.c */
4046 { "as2proc", ":", "convert as to proc_t address", as2proc },
4047 { "binding_hash_entry", ":", "print driver names hash table entry",
4048 binding_hash_entry },
4049 { "callout", "?[-r|n] [-s|l] [-xhB] [-t | -ab nsec [-dkD]]"
4050 " [-C addr | -S seqid] [-f name|addr] [-p name| addr] [-T|L [-E]]"
4051 " [-FivVA]",
4052 "display callouts", callout, callout_help },
4053 { "calloutid", "[-d|v] xid", "print callout by extended id",
4054 calloutid, calloutid_help },
4055 { "class", NULL, "print process scheduler classes", class },
4056 { "cpuinfo", "?[-v]", "print CPUs and runnable threads", cpuinfo },
4057 { "did2thread", "? kt_did", "find kernel thread for this id",
4058 did2thread },
4059 { "errorq", "?[-v]", "display kernel error queues", errorq },
4060 { "fd", ":[fd num]", "get a file pointer from an fd", fd },
4061 { "flipone", ":", "the vik_rev_level 2 special", flipone },
4062 { "lminfo", NULL, "print lock manager information", lminfo },
4063 { "ndi_event_hdl", "?", "print ndi_event_hdl", ndi_event_hdl },
4064 { "panicinfo", NULL, "print panic information", panicinfo },
4065 { "pid2proc", "?", "convert PID to proc_t address", pid2proc },
4066 { "project", NULL, "display kernel project(s)", project },
4067 { "ps", "[-fltzTP]", "list processes (and associated thr,lwp)", ps },
4068 { "pflags", NULL, "display various proc_t flags", pflags },
4069 { "pgrep", "[-x] [-n | -o] pattern",
4070 "pattern match against all processes", pgrep },
4071 { "ptree", NULL, "print process tree", ptree },
4072 { "sysevent", "?[-sv]", "print sysevent pending or sent queue",
4073 sysevent},
4074 { "sysevent_channel", "?", "print sysevent channel database",
4075 sysevent_channel},
4076 { "sysevent_class_list", ":", "print sysevent class list",
4077 sysevent_class_list},
4078 { "sysevent_subclass_list", ":",
4079 "print sysevent subclass list", sysevent_subclass_list},
4080 { "system", NULL, "print contents of /etc/system file", sysfile },
4081 { "task", NULL, "display kernel task(s)", task },
4082 { "time", "[-dlx]", "display system time", time, time_help },
4083 { "vnode2path", ":[-F]", "vnode address to pathname", vnode2path },
4084 { "whereopen", ":", "given a vnode, dumps procs which have it open",
4085 whereopen },
4086
4087 /* from bio.c */
4088 { "bufpagefind", ":addr", "find page_t on buf_t list", bufpagefind },
4089
4090 /* from bitset.c */
4091 { "bitset", ":", "display a bitset", bitset, bitset_help },
4092
4093 /* from contract.c */
4094 { "contract", "?", "display a contract", cmd_contract },
4095 { "ctevent", ":", "display a contract event", cmd_ctevent },
4096 { "ctid", ":", "convert id to a contract pointer", cmd_ctid },
4097
4098 /* from cpupart.c */
4099 { "cpupart", "?[-v]", "print cpu partition info", cpupart },
4100
4101 /* from cred.c */
4102 { "cred", ":[-v]", "display a credential", cmd_cred },
4103 { "credgrp", ":[-v]", "display cred_t groups", cmd_credgrp },
4104 { "credsid", ":[-v]", "display a credsid_t", cmd_credsid },
4105 { "ksidlist", ":[-v]", "display a ksidlist_t", cmd_ksidlist },
4106
4107 /* from cyclic.c */
4108 { "cyccover", NULL, "dump cyclic coverage information", cyccover },
4109 { "cycid", "?", "dump a cyclic id", cycid },
4110 { "cycinfo", "?", "dump cyc_cpu info", cycinfo },
4111 { "cyclic", ":", "developer information", cyclic },
4112 { "cyctrace", "?", "dump cyclic trace buffer", cyctrace },
4113
4114 /* from damap.c */
4115 { "damap", ":", "display a damap_t", damap, damap_help },
4116
4117 /* from ddi_periodic.c */
4118 { "ddi_periodic", "?[-v]", "dump ddi_periodic_impl_t info", dprinfo },
4119
4120 /* from devinfo.c */
4121 { "devbindings", "?[-qs] [device-name | major-num]",
4122 "print devinfo nodes bound to device-name or major-num",
4123 devbindings, devinfo_help },
4124 { "devinfo", ":[-qs]", "detailed devinfo of one node", devinfo,
4125 devinfo_help },
4126 { "devinfo_audit", ":[-v]", "devinfo configuration audit record",
4127 devinfo_audit },
4128 { "devinfo_audit_log", "?[-v]", "system wide devinfo configuration log",
4129 devinfo_audit_log },
4130 { "devinfo_audit_node", ":[-v]", "devinfo node configuration history",
4131 devinfo_audit_node },
4132 { "devinfo2driver", ":", "find driver name for this devinfo node",
4133 devinfo2driver },
4134 { "devnames", "?[-vm] [num]", "print devnames array", devnames },
4135 { "dev2major", "?<dev_t>", "convert dev_t to a major number",
4136 dev2major },
4137 { "dev2minor", "?<dev_t>", "convert dev_t to a minor number",
4138 dev2minor },
4139 { "devt", "?<dev_t>", "display a dev_t's major and minor numbers",
4140 devt },
4141 { "major2name", "?<major-num>", "convert major number to dev name",
4142 major2name },
4143 { "minornodes", ":", "given a devinfo node, print its minor nodes",
4144 minornodes },
4145 { "modctl2devinfo", ":", "given a modctl, list its devinfos",
4146 modctl2devinfo },
4147 { "name2major", "<dev-name>", "convert dev name to major number",
4148 name2major },
4149 { "prtconf", "?[-vpc] [-d driver]", "print devinfo tree", prtconf,
4150 prtconf_help },
4151 { "softstate", ":<instance>", "retrieve soft-state pointer",
4152 softstate },
4153 { "devinfo_fm", ":", "devinfo fault managment configuration",
4154 devinfo_fm },
4155 { "devinfo_fmce", ":", "devinfo fault managment cache entry",
4156 devinfo_fmce},
4157
4158 /* from findstack.c */
4159 { "findstack", ":[-v]", "find kernel thread stack", findstack },
4160 { "findstack_debug", NULL, "toggle findstack debugging",
4161 findstack_debug },
4162 { "stacks", "?[-afiv] [-c func] [-C func] [-m module] [-M module] "
4163 "[-s sobj | -S sobj] [-t tstate | -T tstate]",
4164 "print unique kernel thread stacks",
4165 stacks, stacks_help },
4166
4167 /* from fm.c */
4168 { "ereport", "[-v]", "print ereports logged in dump",
4169 ereport },
4170
4171 /* from group.c */
4172 { "group", "?[-q]", "display a group", group},
4173
4174 /* from hotplug.c */
4175 { "hotplug", "?[-p]", "display a registered hotplug attachment",
4176 hotplug, hotplug_help },
4177
4178 /* from irm.c */
4179 { "irmpools", NULL, "display interrupt pools", irmpools_dcmd },
4180 { "irmreqs", NULL, "display interrupt requests in an interrupt pool",
4181 irmreqs_dcmd },
4182 { "irmreq", NULL, "display an interrupt request", irmreq_dcmd },
4183
4184 /* from kgrep.c + genunix.c */
4185 { "kgrep", KGREP_USAGE, "search kernel as for a pointer", kgrep,
4186 kgrep_help },
4187
4188 /* from kmem.c */
4189 { "allocdby", ":", "given a thread, print its allocated buffers",
4190 allocdby },
4191 { "bufctl", ":[-vh] [-a addr] [-c caller] [-e earliest] [-l latest] "
4192 "[-t thd]", "print or filter a bufctl", bufctl, bufctl_help },
4193 { "freedby", ":", "given a thread, print its freed buffers", freedby },
4194 { "kmalog", "?[ fail | slab ]",
4195 "display kmem transaction log and stack traces", kmalog },
4196 { "kmastat", "[-kmg]", "kernel memory allocator stats",
4197 kmastat },
4198 { "kmausers", "?[-ef] [cache ...]", "current medium and large users "
4199 "of the kmem allocator", kmausers, kmausers_help },
4200 { "kmem_cache", "?[-n name]",
4201 "print kernel memory caches", kmem_cache, kmem_cache_help},
4202 { "kmem_slabs", "?[-v] [-n cache] [-N cache] [-b maxbins] "
4203 "[-B minbinsize]", "display slab usage per kmem cache",
4204 kmem_slabs, kmem_slabs_help },
4205 { "kmem_debug", NULL, "toggle kmem dcmd/walk debugging", kmem_debug },
4206 { "kmem_log", "?[-b]", "dump kmem transaction log", kmem_log },
4207 { "kmem_verify", "?", "check integrity of kmem-managed memory",
4208 kmem_verify },
4209 { "vmem", "?", "print a vmem_t", vmem },
4210 { "vmem_seg", ":[-sv] [-c caller] [-e earliest] [-l latest] "
4211 "[-m minsize] [-M maxsize] [-t thread] [-T type]",
4212 "print or filter a vmem_seg", vmem_seg, vmem_seg_help },
4213 { "whatthread", ":[-v]", "print threads whose stack contains the "
4214 "given address", whatthread },
4215
4216 /* from ldi.c */
4217 { "ldi_handle", "?[-i]", "display a layered driver handle",
4218 ldi_handle, ldi_handle_help },
4219 { "ldi_ident", NULL, "display a layered driver identifier",
4220 ldi_ident, ldi_ident_help },
4221
4222 /* from leaky.c + leaky_subr.c */
4223 { "findleaks", FINDLEAKS_USAGE,
4224 "search for potential kernel memory leaks", findleaks,
4225 findleaks_help },
4226
4227 /* from lgrp.c */
4228 { "lgrp", "?[-q] [-p | -Pih]", "display an lgrp", lgrp},
4229 { "lgrp_set", "", "display bitmask of lgroups as a list", lgrp_set},
4230
4231 /* from log.c */
4232 { "msgbuf", "?[-v]", "print most recent console messages", msgbuf },
4233
4234 /* from mdi.c */
4235 { "mdipi", NULL, "given a path, dump mdi_pathinfo "
4236 "and detailed pi_prop list", mdipi },
4237 { "mdiprops", NULL, "given a pi_prop, dump the pi_prop list",
4238 mdiprops },
4239 { "mdiphci", NULL, "given a phci, dump mdi_phci and "
4240 "list all paths", mdiphci },
4241 { "mdivhci", NULL, "given a vhci, dump mdi_vhci and list "
4242 "all phcis", mdivhci },
4243 { "mdiclient_paths", NULL, "given a path, walk mdi_pathinfo "
4244 "client links", mdiclient_paths },
4245 { "mdiphci_paths", NULL, "given a path, walk through mdi_pathinfo "
4246 "phci links", mdiphci_paths },
4247 { "mdiphcis", NULL, "given a phci, walk through mdi_phci ph_next links",
4248 mdiphcis },
4249
4250 /* from memory.c */
4251 { "addr2smap", ":[offset]", "translate address to smap", addr2smap },
4252 { "memlist", "?[-iav]", "display a struct memlist", memlist },
4253 { "memstat", NULL, "display memory usage summary", memstat },
4254 { "page", "?", "display a summarized page_t", page },
4255 { "pagelookup", "?[-v vp] [-o offset]",
4256 "find the page_t with the name {vp, offset}",
4257 pagelookup, pagelookup_help },
4258 { "page_num2pp", ":", "find the page_t for a given page frame number",
4259 page_num2pp },
4260 { "pmap", ":[-q]", "print process memory map", pmap },
4261 { "seg", ":", "print address space segment", seg },
4262 { "swapinfo", "?", "display a struct swapinfo", swapinfof },
4263 { "vnode2smap", ":[offset]", "translate vnode to smap", vnode2smap },
4264
4265 /* from mmd.c */
4266 { "multidata", ":[-sv]", "display a summarized multidata_t",
4267 multidata },
4268 { "pattbl", ":", "display a summarized multidata attribute table",
4269 pattbl },
4270 { "pattr2multidata", ":", "print multidata pointer from pattr_t",
4271 pattr2multidata },
4272 { "pdesc2slab", ":", "print pdesc slab pointer from pdesc_t",
4273 pdesc2slab },
4274 { "pdesc_verify", ":", "verify integrity of a pdesc_t", pdesc_verify },
4275 { "slab2multidata", ":", "print multidata pointer from pdesc_slab_t",
4276 slab2multidata },
4277
4278 /* from modhash.c */
4279 { "modhash", "?[-ceht] [-k key] [-v val] [-i index]",
4280 "display information about one or all mod_hash structures",
4281 modhash, modhash_help },
4282 { "modent", ":[-k | -v | -t type]",
4283 "display information about a mod_hash_entry", modent,
4284 modent_help },
4285
4286 /* from net.c */
4287 { "dladm", "?<sub-command> [flags]", "show data link information",
4288 dladm, dladm_help },
4289 { "mi", ":[-p] [-d | -m]", "filter and display MI object or payload",
4290 mi },
4291 { "netstat", "[-arv] [-f inet | inet6 | unix] [-P tcp | udp | icmp]",
4292 "show network statistics", netstat },
4293 { "sonode", "?[-f inet | inet6 | unix | #] "
4294 "[-t stream | dgram | raw | #] [-p #]",
4295 "filter and display sonode", sonode },
4296
4297 /* from netstack.c */
4298 { "netstack", "", "show stack instances", netstack },
4299 { "netstackid2netstack", ":",
4300 "translate a netstack id to its netstack_t",
4301 netstackid2netstack },
4302
4303 /* from nvpair.c */
4304 { NVPAIR_DCMD_NAME, NVPAIR_DCMD_USAGE, NVPAIR_DCMD_DESCR,
4305 nvpair_print },
4306 { NVLIST_DCMD_NAME, NVLIST_DCMD_USAGE, NVLIST_DCMD_DESCR,
4307 print_nvlist },
4308
4309 /* from pg.c */
4310 { "pg", "?[-q]", "display a pg", pg},
4311
4312 /* from rctl.c */
4313 { "rctl_dict", "?", "print systemwide default rctl definitions",
4314 rctl_dict },
4315 { "rctl_list", ":[handle]", "print rctls for the given proc",
4316 rctl_list },
4317 { "rctl", ":[handle]", "print a rctl_t, only if it matches the handle",
4318 rctl },
4319 { "rctl_validate", ":[-v] [-n #]", "test resource control value "
4320 "sequence", rctl_validate },
4321
4322 /* from sobj.c */
4323 { "rwlock", ":", "dump out a readers/writer lock", rwlock },
4324 { "mutex", ":[-f]", "dump out an adaptive or spin mutex", mutex,
4325 mutex_help },
4326 { "sobj2ts", ":", "perform turnstile lookup on synch object", sobj2ts },
4327 { "wchaninfo", "?[-v]", "dump condition variable", wchaninfo },
4328 { "turnstile", "?", "display a turnstile", turnstile },
4329
4330 /* from stream.c */
4331 { "mblk", ":[-q|v] [-f|F flag] [-t|T type] [-l|L|B len] [-d dbaddr]",
4332 "print an mblk", mblk_prt, mblk_help },
4333 { "mblk_verify", "?", "verify integrity of an mblk", mblk_verify },
4334 { "mblk2dblk", ":", "convert mblk_t address to dblk_t address",
4335 mblk2dblk },
4336 { "q2otherq", ":", "print peer queue for a given queue", q2otherq },
4337 { "q2rdq", ":", "print read queue for a given queue", q2rdq },
4338 { "q2syncq", ":", "print syncq for a given queue", q2syncq },
4339 { "q2stream", ":", "print stream pointer for a given queue", q2stream },
4340 { "q2wrq", ":", "print write queue for a given queue", q2wrq },
4341 { "queue", ":[-q|v] [-m mod] [-f flag] [-F flag] [-s syncq_addr]",
4342 "filter and display STREAM queue", queue, queue_help },
4343 { "stdata", ":[-q|v] [-f flag] [-F flag]",
4344 "filter and display STREAM head", stdata, stdata_help },
4345 { "str2mate", ":", "print mate of this stream", str2mate },
4346 { "str2wrq", ":", "print write queue of this stream", str2wrq },
4347 { "stream", ":", "display STREAM", stream },
4348 { "strftevent", ":", "print STREAMS flow trace event", strftevent },
4349 { "syncq", ":[-q|v] [-f flag] [-F flag] [-t type] [-T type]",
4350 "filter and display STREAM sync queue", syncq, syncq_help },
4351 { "syncq2q", ":", "print queue for a given syncq", syncq2q },
4352
4353 /* from taskq.c */
4354 { "taskq", ":[-atT] [-m min_maxq] [-n name]",
4355 "display a taskq", taskq, taskq_help },
4356 { "taskq_entry", ":", "display a taskq_ent_t", taskq_ent },
4357
4358 /* from thread.c */
4359 { "thread", "?[-bdfimps]", "display a summarized kthread_t", thread,
4360 thread_help },
4361 { "threadlist", "?[-t] [-v [count]]",
4362 "display threads and associated C stack traces", threadlist,
4363 threadlist_help },
4364 { "stackinfo", "?[-h|-a]", "display kthread_t stack usage", stackinfo,
4365 stackinfo_help },
4366
4367 /* from tsd.c */
4368 { "tsd", ":-k key", "print tsd[key-1] for this thread", ttotsd },
4369 { "tsdtot", ":", "find thread with this tsd", tsdtot },
4370
4371 /*
4372 * typegraph does not work under kmdb, as it requires too much memory
4373 * for its internal data structures.
4374 */
4375 #ifndef _KMDB
4376 /* from typegraph.c */
4377 { "findlocks", ":", "find locks held by specified thread", findlocks },
4378 { "findfalse", "?[-v]", "find potentially falsely shared structures",
4379 findfalse },
4380 { "typegraph", NULL, "build type graph", typegraph },
4381 { "istype", ":type", "manually set object type", istype },
4382 { "notype", ":", "manually clear object type", notype },
4383 { "whattype", ":", "determine object type", whattype },
4384 #endif
4385
4386 /* from vfs.c */
4387 { "fsinfo", "?[-v]", "print mounted filesystems", fsinfo },
4388 { "pfiles", ":[-fp]", "print process file information", pfiles,
4389 pfiles_help },
4390
4391 /* from zone.c */
4392 { "zid2zone", ":", "find the zone_t with the given zone id",
4393 zid2zone },
4394 { "zone", "?[-r [-v]]", "display kernel zone(s)", zoneprt },
4395 { "zsd", ":[-v] [zsd_key]", "display zone-specific-data entries for "
4396 "selected zones", zsd },
4397
4398 #ifndef _KMDB
4399 { "gcore", NULL, "generate a user core for the given process",
4400 gcore_dcmd },
4401 #endif
4402
4403 { NULL }
4404 };
4405
4406 static const mdb_walker_t walkers[] = {
4407
4408 /* from genunix.c */
4409 { "callouts_bytime", "walk callouts by list chain (expiration time)",
4410 callout_walk_init, callout_walk_step, callout_walk_fini,
4411 (void *)CALLOUT_WALK_BYLIST },
4412 { "callouts_byid", "walk callouts by id hash chain",
4413 callout_walk_init, callout_walk_step, callout_walk_fini,
4414 (void *)CALLOUT_WALK_BYID },
4415 { "callout_list", "walk a callout list", callout_list_walk_init,
4416 callout_list_walk_step, callout_list_walk_fini },
4417 { "callout_table", "walk callout table array", callout_table_walk_init,
4418 callout_table_walk_step, callout_table_walk_fini },
4419 { "cpu", "walk cpu structures", cpu_walk_init, cpu_walk_step },
4420 { "dnlc", "walk dnlc entries",
4421 dnlc_walk_init, dnlc_walk_step, dnlc_walk_fini },
4422 { "ereportq_dump", "walk list of ereports in dump error queue",
4423 ereportq_dump_walk_init, ereportq_dump_walk_step, NULL },
4424 { "ereportq_pend", "walk list of ereports in pending error queue",
4425 ereportq_pend_walk_init, ereportq_pend_walk_step, NULL },
4426 { "errorq", "walk list of system error queues",
4427 errorq_walk_init, errorq_walk_step, NULL },
4428 { "errorq_data", "walk pending error queue data buffers",
4429 eqd_walk_init, eqd_walk_step, eqd_walk_fini },
4430 { "allfile", "given a proc pointer, list all file pointers",
4431 file_walk_init, allfile_walk_step, file_walk_fini },
4432 { "file", "given a proc pointer, list of open file pointers",
4433 file_walk_init, file_walk_step, file_walk_fini },
4434 { "lock_descriptor", "walk lock_descriptor_t structures",
4435 ld_walk_init, ld_walk_step, NULL },
4436 { "lock_graph", "walk lock graph",
4437 lg_walk_init, lg_walk_step, NULL },
4438 { "port", "given a proc pointer, list of created event ports",
4439 port_walk_init, port_walk_step, NULL },
4440 { "portev", "given a port pointer, list of events in the queue",
4441 portev_walk_init, portev_walk_step, portev_walk_fini },
4442 { "proc", "list of active proc_t structures",
4443 proc_walk_init, proc_walk_step, proc_walk_fini },
4444 { "projects", "walk a list of kernel projects",
4445 project_walk_init, project_walk_step, NULL },
4446 { "sysevent_pend", "walk sysevent pending queue",
4447 sysevent_pend_walk_init, sysevent_walk_step,
4448 sysevent_walk_fini},
4449 { "sysevent_sent", "walk sysevent sent queue", sysevent_sent_walk_init,
4450 sysevent_walk_step, sysevent_walk_fini},
4451 { "sysevent_channel", "walk sysevent channel subscriptions",
4452 sysevent_channel_walk_init, sysevent_channel_walk_step,
4453 sysevent_channel_walk_fini},
4454 { "sysevent_class_list", "walk sysevent subscription's class list",
4455 sysevent_class_list_walk_init, sysevent_class_list_walk_step,
4456 sysevent_class_list_walk_fini},
4457 { "sysevent_subclass_list",
4458 "walk sysevent subscription's subclass list",
4459 sysevent_subclass_list_walk_init,
4460 sysevent_subclass_list_walk_step,
4461 sysevent_subclass_list_walk_fini},
4462 { "task", "given a task pointer, walk its processes",
4463 task_walk_init, task_walk_step, NULL },
4464
4465 /* from avl.c */
4466 { AVL_WALK_NAME, AVL_WALK_DESC,
4467 avl_walk_init, avl_walk_step, avl_walk_fini },
4468
4469 /* from bio.c */
4470 { "buf", "walk the bio buf hash",
4471 buf_walk_init, buf_walk_step, buf_walk_fini },
4472
4473 /* from contract.c */
4474 { "contract", "walk all contracts, or those of the specified type",
4475 ct_walk_init, generic_walk_step, NULL },
4476 { "ct_event", "walk events on a contract event queue",
4477 ct_event_walk_init, generic_walk_step, NULL },
4478 { "ct_listener", "walk contract event queue listeners",
4479 ct_listener_walk_init, generic_walk_step, NULL },
4480
4481 /* from cpupart.c */
4482 { "cpupart_cpulist", "given an cpupart_t, walk cpus in partition",
4483 cpupart_cpulist_walk_init, cpupart_cpulist_walk_step,
4484 NULL },
4485 { "cpupart_walk", "walk the set of cpu partitions",
4486 cpupart_walk_init, cpupart_walk_step, NULL },
4487
4488 /* from ctxop.c */
4489 { "ctxop", "walk list of context ops on a thread",
4490 ctxop_walk_init, ctxop_walk_step, ctxop_walk_fini },
4491
4492 /* from cyclic.c */
4493 { "cyccpu", "walk per-CPU cyc_cpu structures",
4494 cyccpu_walk_init, cyccpu_walk_step, NULL },
4495 { "cycomni", "for an omnipresent cyclic, walk cyc_omni_cpu list",
4496 cycomni_walk_init, cycomni_walk_step, NULL },
4497 { "cyctrace", "walk cyclic trace buffer",
4498 cyctrace_walk_init, cyctrace_walk_step, cyctrace_walk_fini },
4499
4500 /* from devinfo.c */
4501 { "binding_hash", "walk all entries in binding hash table",
4502 binding_hash_walk_init, binding_hash_walk_step, NULL },
4503 { "devinfo", "walk devinfo tree or subtree",
4504 devinfo_walk_init, devinfo_walk_step, devinfo_walk_fini },
4505 { "devinfo_audit_log", "walk devinfo audit system-wide log",
4506 devinfo_audit_log_walk_init, devinfo_audit_log_walk_step,
4507 devinfo_audit_log_walk_fini},
4508 { "devinfo_audit_node", "walk per-devinfo audit history",
4509 devinfo_audit_node_walk_init, devinfo_audit_node_walk_step,
4510 devinfo_audit_node_walk_fini},
4511 { "devinfo_children", "walk children of devinfo node",
4512 devinfo_children_walk_init, devinfo_children_walk_step,
4513 devinfo_children_walk_fini },
4514 { "devinfo_parents", "walk ancestors of devinfo node",
4515 devinfo_parents_walk_init, devinfo_parents_walk_step,
4516 devinfo_parents_walk_fini },
4517 { "devinfo_siblings", "walk siblings of devinfo node",
4518 devinfo_siblings_walk_init, devinfo_siblings_walk_step, NULL },
4519 { "devi_next", "walk devinfo list",
4520 NULL, devi_next_walk_step, NULL },
4521 { "devnames", "walk devnames array",
4522 devnames_walk_init, devnames_walk_step, devnames_walk_fini },
4523 { "minornode", "given a devinfo node, walk minor nodes",
4524 minornode_walk_init, minornode_walk_step, NULL },
4525 { "softstate",
4526 "given an i_ddi_soft_state*, list all in-use driver stateps",
4527 soft_state_walk_init, soft_state_walk_step,
4528 NULL, NULL },
4529 { "softstate_all",
4530 "given an i_ddi_soft_state*, list all driver stateps",
4531 soft_state_walk_init, soft_state_all_walk_step,
4532 NULL, NULL },
4533 { "devinfo_fmc",
4534 "walk a fault management handle cache active list",
4535 devinfo_fmc_walk_init, devinfo_fmc_walk_step, NULL },
4536
4537 /* from group.c */
4538 { "group", "walk all elements of a group",
4539 group_walk_init, group_walk_step, NULL },
4540
4541 /* from irm.c */
4542 { "irmpools", "walk global list of interrupt pools",
4543 irmpools_walk_init, list_walk_step, list_walk_fini },
4544 { "irmreqs", "walk list of interrupt requests in an interrupt pool",
4545 irmreqs_walk_init, list_walk_step, list_walk_fini },
4546
4547 /* from kmem.c */
4548 { "allocdby", "given a thread, walk its allocated bufctls",
4549 allocdby_walk_init, allocdby_walk_step, allocdby_walk_fini },
4550 { "bufctl", "walk a kmem cache's bufctls",
4551 bufctl_walk_init, kmem_walk_step, kmem_walk_fini },
4552 { "bufctl_history", "walk the available history of a bufctl",
4553 bufctl_history_walk_init, bufctl_history_walk_step,
4554 bufctl_history_walk_fini },
4555 { "freedby", "given a thread, walk its freed bufctls",
4556 freedby_walk_init, allocdby_walk_step, allocdby_walk_fini },
4557 { "freectl", "walk a kmem cache's free bufctls",
4558 freectl_walk_init, kmem_walk_step, kmem_walk_fini },
4559 { "freectl_constructed", "walk a kmem cache's constructed free bufctls",
4560 freectl_constructed_walk_init, kmem_walk_step, kmem_walk_fini },
4561 { "freemem", "walk a kmem cache's free memory",
4562 freemem_walk_init, kmem_walk_step, kmem_walk_fini },
4563 { "freemem_constructed", "walk a kmem cache's constructed free memory",
4564 freemem_constructed_walk_init, kmem_walk_step, kmem_walk_fini },
4565 { "kmem", "walk a kmem cache",
4566 kmem_walk_init, kmem_walk_step, kmem_walk_fini },
4567 { "kmem_cpu_cache", "given a kmem cache, walk its per-CPU caches",
4568 kmem_cpu_cache_walk_init, kmem_cpu_cache_walk_step, NULL },
4569 { "kmem_hash", "given a kmem cache, walk its allocated hash table",
4570 kmem_hash_walk_init, kmem_hash_walk_step, kmem_hash_walk_fini },
4571 { "kmem_log", "walk the kmem transaction log",
4572 kmem_log_walk_init, kmem_log_walk_step, kmem_log_walk_fini },
4573 { "kmem_slab", "given a kmem cache, walk its slabs",
4574 kmem_slab_walk_init, combined_walk_step, combined_walk_fini },
4575 { "kmem_slab_partial",
4576 "given a kmem cache, walk its partially allocated slabs (min 1)",
4577 kmem_slab_walk_partial_init, combined_walk_step,
4578 combined_walk_fini },
4579 { "vmem", "walk vmem structures in pre-fix, depth-first order",
4580 vmem_walk_init, vmem_walk_step, vmem_walk_fini },
4581 { "vmem_alloc", "given a vmem_t, walk its allocated vmem_segs",
4582 vmem_alloc_walk_init, vmem_seg_walk_step, vmem_seg_walk_fini },
4583 { "vmem_free", "given a vmem_t, walk its free vmem_segs",
4584 vmem_free_walk_init, vmem_seg_walk_step, vmem_seg_walk_fini },
4585 { "vmem_postfix", "walk vmem structures in post-fix, depth-first order",
4586 vmem_walk_init, vmem_postfix_walk_step, vmem_walk_fini },
4587 { "vmem_seg", "given a vmem_t, walk all of its vmem_segs",
4588 vmem_seg_walk_init, vmem_seg_walk_step, vmem_seg_walk_fini },
4589 { "vmem_span", "given a vmem_t, walk its spanning vmem_segs",
4590 vmem_span_walk_init, vmem_seg_walk_step, vmem_seg_walk_fini },
4591
4592 /* from ldi.c */
4593 { "ldi_handle", "walk the layered driver handle hash",
4594 ldi_handle_walk_init, ldi_handle_walk_step, NULL },
4595 { "ldi_ident", "walk the layered driver identifier hash",
4596 ldi_ident_walk_init, ldi_ident_walk_step, NULL },
4597
4598 /* from leaky.c + leaky_subr.c */
4599 { "leak", "given a leaked bufctl or vmem_seg, find leaks w/ same "
4600 "stack trace",
4601 leaky_walk_init, leaky_walk_step, leaky_walk_fini },
4602 { "leakbuf", "given a leaked bufctl or vmem_seg, walk buffers for "
4603 "leaks w/ same stack trace",
4604 leaky_walk_init, leaky_buf_walk_step, leaky_walk_fini },
4605
4606 /* from lgrp.c */
4607 { "lgrp_cpulist", "walk CPUs in a given lgroup",
4608 lgrp_cpulist_walk_init, lgrp_cpulist_walk_step, NULL },
4609 { "lgrptbl", "walk lgroup table",
4610 lgrp_walk_init, lgrp_walk_step, NULL },
4611 { "lgrp_parents", "walk up lgroup lineage from given lgroup",
4612 lgrp_parents_walk_init, lgrp_parents_walk_step, NULL },
4613 { "lgrp_rsrc_mem", "walk lgroup memory resources of given lgroup",
4614 lgrp_rsrc_mem_walk_init, lgrp_set_walk_step, NULL },
4615 { "lgrp_rsrc_cpu", "walk lgroup CPU resources of given lgroup",
4616 lgrp_rsrc_cpu_walk_init, lgrp_set_walk_step, NULL },
4617
4618 /* from list.c */
4619 { LIST_WALK_NAME, LIST_WALK_DESC,
4620 list_walk_init, list_walk_step, list_walk_fini },
4621
4622 /* from mdi.c */
4623 { "mdipi_client_list", "Walker for mdi_pathinfo pi_client_link",
4624 mdi_pi_client_link_walk_init,
4625 mdi_pi_client_link_walk_step,
4626 mdi_pi_client_link_walk_fini },
4627 { "mdipi_phci_list", "Walker for mdi_pathinfo pi_phci_link",
4628 mdi_pi_phci_link_walk_init,
4629 mdi_pi_phci_link_walk_step,
4630 mdi_pi_phci_link_walk_fini },
4631 { "mdiphci_list", "Walker for mdi_phci ph_next link",
4632 mdi_phci_ph_next_walk_init,
4633 mdi_phci_ph_next_walk_step,
4634 mdi_phci_ph_next_walk_fini },
4635
4636 /* from memory.c */
4637 { "allpages", "walk all pages, including free pages",
4638 allpages_walk_init, allpages_walk_step, allpages_walk_fini },
4639 { "anon", "given an amp, list allocated anon structures",
4640 anon_walk_init, anon_walk_step, anon_walk_fini,
4641 ANON_WALK_ALLOC },
4642 { "anon_all", "given an amp, list contents of all anon slots",
4643 anon_walk_init, anon_walk_step, anon_walk_fini,
4644 ANON_WALK_ALL },
4645 { "memlist", "walk specified memlist",
4646 NULL, memlist_walk_step, NULL },
4647 { "page", "walk all pages, or those from the specified vnode",
4648 page_walk_init, page_walk_step, page_walk_fini },
4649 { "seg", "given an as, list of segments",
4650 seg_walk_init, avl_walk_step, avl_walk_fini },
4651 { "segvn_anon",
4652 "given a struct segvn_data, list allocated anon structures",
4653 segvn_anon_walk_init, anon_walk_step, anon_walk_fini,
4654 ANON_WALK_ALLOC },
4655 { "segvn_anon_all",
4656 "given a struct segvn_data, list contents of all anon slots",
4657 segvn_anon_walk_init, anon_walk_step, anon_walk_fini,
4658 ANON_WALK_ALL },
4659 { "segvn_pages",
4660 "given a struct segvn_data, list resident pages in "
4661 "offset order",
4662 segvn_pages_walk_init, segvn_pages_walk_step,
4663 segvn_pages_walk_fini, SEGVN_PAGES_RESIDENT },
4664 { "segvn_pages_all",
4665 "for each offset in a struct segvn_data, give page_t pointer "
4666 "(if resident), or NULL.",
4667 segvn_pages_walk_init, segvn_pages_walk_step,
4668 segvn_pages_walk_fini, SEGVN_PAGES_ALL },
4669 { "swapinfo", "walk swapinfo structures",
4670 swap_walk_init, swap_walk_step, NULL },
4671
4672 /* from mmd.c */
4673 { "pattr", "walk pattr_t structures", pattr_walk_init,
4674 mmdq_walk_step, mmdq_walk_fini },
4675 { "pdesc", "walk pdesc_t structures",
4676 pdesc_walk_init, mmdq_walk_step, mmdq_walk_fini },
4677 { "pdesc_slab", "walk pdesc_slab_t structures",
4678 pdesc_slab_walk_init, mmdq_walk_step, mmdq_walk_fini },
4679
4680 /* from modhash.c */
4681 { "modhash", "walk list of mod_hash structures", modhash_walk_init,
4682 modhash_walk_step, NULL },
4683 { "modent", "walk list of entries in a given mod_hash",
4684 modent_walk_init, modent_walk_step, modent_walk_fini },
4685 { "modchain", "walk list of entries in a given mod_hash_entry",
4686 NULL, modchain_walk_step, NULL },
4687
4688 /* from net.c */
4689 { "icmp", "walk ICMP control structures using MI for all stacks",
4690 mi_payload_walk_init, mi_payload_walk_step, NULL,
4691 &mi_icmp_arg },
4692 { "mi", "given a MI_O, walk the MI",
4693 mi_walk_init, mi_walk_step, mi_walk_fini, NULL },
4694 { "sonode", "given a sonode, walk its children",
4695 sonode_walk_init, sonode_walk_step, sonode_walk_fini, NULL },
4696 { "icmp_stacks", "walk all the icmp_stack_t",
4697 icmp_stacks_walk_init, icmp_stacks_walk_step, NULL },
4698 { "tcp_stacks", "walk all the tcp_stack_t",
4699 tcp_stacks_walk_init, tcp_stacks_walk_step, NULL },
4700 { "udp_stacks", "walk all the udp_stack_t",
4701 udp_stacks_walk_init, udp_stacks_walk_step, NULL },
4702
4703 /* from netstack.c */
4704 { "netstack", "walk a list of kernel netstacks",
4705 netstack_walk_init, netstack_walk_step, NULL },
4706
4707 /* from nvpair.c */
4708 { NVPAIR_WALKER_NAME, NVPAIR_WALKER_DESCR,
4709 nvpair_walk_init, nvpair_walk_step, NULL },
4710
4711 /* from rctl.c */
4712 { "rctl_dict_list", "walk all rctl_dict_entry_t's from rctl_lists",
4713 rctl_dict_walk_init, rctl_dict_walk_step, NULL },
4714 { "rctl_set", "given a rctl_set, walk all rctls", rctl_set_walk_init,
4715 rctl_set_walk_step, NULL },
4716 { "rctl_val", "given a rctl_t, walk all rctl_val entries associated",
4717 rctl_val_walk_init, rctl_val_walk_step },
4718
4719 /* from sobj.c */
4720 { "blocked", "walk threads blocked on a given sobj",
4721 blocked_walk_init, blocked_walk_step, NULL },
4722 { "wchan", "given a wchan, list of blocked threads",
4723 wchan_walk_init, wchan_walk_step, wchan_walk_fini },
4724
4725 /* from stream.c */
4726 { "b_cont", "walk mblk_t list using b_cont",
4727 mblk_walk_init, b_cont_step, mblk_walk_fini },
4728 { "b_next", "walk mblk_t list using b_next",
4729 mblk_walk_init, b_next_step, mblk_walk_fini },
4730 { "qlink", "walk queue_t list using q_link",
4731 queue_walk_init, queue_link_step, queue_walk_fini },
4732 { "qnext", "walk queue_t list using q_next",
4733 queue_walk_init, queue_next_step, queue_walk_fini },
4734 { "strftblk", "given a dblk_t, walk STREAMS flow trace event list",
4735 strftblk_walk_init, strftblk_step, strftblk_walk_fini },
4736 { "readq", "walk read queue side of stdata",
4737 str_walk_init, strr_walk_step, str_walk_fini },
4738 { "writeq", "walk write queue side of stdata",
4739 str_walk_init, strw_walk_step, str_walk_fini },
4740
4741 /* from taskq.c */
4742 { "taskq_thread", "given a taskq_t, list all of its threads",
4743 taskq_thread_walk_init,
4744 taskq_thread_walk_step,
4745 taskq_thread_walk_fini },
4746 { "taskq_entry", "given a taskq_t*, list all taskq_ent_t in the list",
4747 taskq_ent_walk_init, taskq_ent_walk_step, NULL },
4748
4749 /* from thread.c */
4750 { "deathrow", "walk threads on both lwp_ and thread_deathrow",
4751 deathrow_walk_init, deathrow_walk_step, NULL },
4752 { "cpu_dispq", "given a cpu_t, walk threads in dispatcher queues",
4753 cpu_dispq_walk_init, dispq_walk_step, dispq_walk_fini },
4754 { "cpupart_dispq",
4755 "given a cpupart_t, walk threads in dispatcher queues",
4756 cpupart_dispq_walk_init, dispq_walk_step, dispq_walk_fini },
4757 { "lwp_deathrow", "walk lwp_deathrow",
4758 lwp_deathrow_walk_init, deathrow_walk_step, NULL },
4759 { "thread", "global or per-process kthread_t structures",
4760 thread_walk_init, thread_walk_step, thread_walk_fini },
4761 { "thread_deathrow", "walk threads on thread_deathrow",
4762 thread_deathrow_walk_init, deathrow_walk_step, NULL },
4763
4764 /* from tsd.c */
4765 { "tsd", "walk list of thread-specific data",
4766 tsd_walk_init, tsd_walk_step, tsd_walk_fini },
4767
4768 /* from tsol.c */
4769 { "tnrh", "walk remote host cache structures",
4770 tnrh_walk_init, tnrh_walk_step, tnrh_walk_fini },
4771 { "tnrhtp", "walk remote host template structures",
4772 tnrhtp_walk_init, tnrhtp_walk_step, tnrhtp_walk_fini },
4773
4774 /*
4775 * typegraph does not work under kmdb, as it requires too much memory
4776 * for its internal data structures.
4777 */
4778 #ifndef _KMDB
4779 /* from typegraph.c */
4780 { "typeconflict", "walk buffers with conflicting type inferences",
4781 typegraph_walk_init, typeconflict_walk_step },
4782 { "typeunknown", "walk buffers with unknown types",
4783 typegraph_walk_init, typeunknown_walk_step },
4784 #endif
4785
4786 /* from vfs.c */
4787 { "vfs", "walk file system list",
4788 vfs_walk_init, vfs_walk_step },
4789
4790 /* from zone.c */
4791 { "zone", "walk a list of kernel zones",
4792 zone_walk_init, zone_walk_step, NULL },
4793 { "zsd", "walk list of zsd entries for a zone",
4794 zsd_walk_init, zsd_walk_step, NULL },
4795
4796 { NULL }
4797 };
4798
4799 static const mdb_modinfo_t modinfo = { MDB_API_VERSION, dcmds, walkers };
4800
4801 /*ARGSUSED*/
4802 static void
4803 genunix_statechange_cb(void *ignored)
4804 {
4805 /*
4806 * Force ::findleaks and ::stacks to let go any cached state.
4807 */
4808 leaky_cleanup(1);
4809 stacks_cleanup(1);
4810
4811 kmem_statechange(); /* notify kmem */
4812 }
4813
4814 const mdb_modinfo_t *
4815 _mdb_init(void)
4816 {
4817 kmem_init();
4818
4819 (void) mdb_callback_add(MDB_CALLBACK_STCHG,
4820 genunix_statechange_cb, NULL);
4821
4822 #ifndef _KMDB
4823 gcore_init();
4824 #endif
4825
4826 return (&modinfo);
4827 }
4828
4829 void
4830 _mdb_fini(void)
4831 {
4832 leaky_cleanup(1);
4833 stacks_cleanup(1);
4834 }
Unleashed OS