/* * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License (the "License"). * You may not use this file except in compliance with the License. * * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE * or http://www.opensolaris.org/os/licensing. * See the License for the specific language governing permissions * and limitations under the License. * * When distributing Covered Code, include this CDDL HEADER in each * file and include the License file at usr/src/OPENSOLARIS.LICENSE. * If applicable, add the following below this CDDL HEADER, with the * fields enclosed by brackets "[]" replaced with your own identifying * information: Portions Copyright [yyyy] [name of copyright owner] * * CDDL HEADER END */ /* * Copyright 2011 Nexenta Systems, Inc. All rights reserved. * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved. * Copyright 2019 Joyent, Inc. * Copyright (c) 2013 by Delphix. All rights reserved. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "avl.h" #include "bio.h" #include "bitset.h" #include "combined.h" #include "contract.h" #include "cpupart_mdb.h" #include "cred.h" #include "ctxop.h" #include "cyclic.h" #include "damap.h" #include "ddi_periodic.h" #include "devinfo.h" #include "dnlc.h" #include "findstack.h" #include "fm.h" #include "gcore.h" #include "group.h" #include "irm.h" #include "kgrep.h" #include "kmem.h" #include "ldi.h" #include "leaky.h" #include "lgrp.h" #include "list.h" #include "log.h" #include "mdi.h" #include "memory.h" #include "mmd.h" #include "modhash.h" #include "ndievents.h" #include "net.h" #include "netstack.h" #include "nvpair.h" #include "pci.h" #include "pg.h" #include "rctl.h" #include "sobj.h" #include "streams.h" #include "sysevent.h" #include "taskq.h" #include "thread.h" #include "tsd.h" #include "tsol.h" #include "typegraph.h" #include "vfs.h" #include "zone.h" #include "hotplug.h" /* * Surely this is defined somewhere... */ #define NINTR 16 #define KILOS 10 #define MEGS 20 #define GIGS 30 #ifndef STACK_BIAS #define STACK_BIAS 0 #endif static char pstat2ch(uchar_t state) { switch (state) { case SSLEEP: return ('S'); case SRUN: return ('R'); case SZOMB: return ('Z'); case SIDL: return ('I'); case SONPROC: return ('O'); case SSTOP: return ('T'); case SWAIT: return ('W'); default: return ('?'); } } #define PS_PRTTHREADS 0x1 #define PS_PRTLWPS 0x2 #define PS_PSARGS 0x4 #define PS_TASKS 0x8 #define PS_PROJECTS 0x10 #define PS_ZONES 0x20 #define PS_SERVICES 0x40 static int ps_threadprint(uintptr_t addr, const void *data, void *private) { const kthread_t *t = (const kthread_t *)data; uint_t prt_flags = *((uint_t *)private); static const mdb_bitmask_t t_state_bits[] = { { "TS_FREE", UINT_MAX, TS_FREE }, { "TS_SLEEP", TS_SLEEP, TS_SLEEP }, { "TS_RUN", TS_RUN, TS_RUN }, { "TS_ONPROC", TS_ONPROC, TS_ONPROC }, { "TS_ZOMB", TS_ZOMB, TS_ZOMB }, { "TS_STOPPED", TS_STOPPED, TS_STOPPED }, { "TS_WAIT", TS_WAIT, TS_WAIT }, { NULL, 0, 0 } }; if (prt_flags & PS_PRTTHREADS) mdb_printf("\tT %?a <%b>\n", addr, t->t_state, t_state_bits); if (prt_flags & PS_PRTLWPS) { char desc[128] = ""; (void) thread_getdesc(addr, B_FALSE, desc, sizeof (desc)); mdb_printf("\tL %?a ID: %s\n", t->t_lwp, desc); } return (WALK_NEXT); } typedef struct mdb_pflags_proc { struct pid *p_pidp; ushort_t p_pidflag; uint_t p_proc_flag; uint_t p_flag; } mdb_pflags_proc_t; static int pflags(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) { mdb_pflags_proc_t pr; struct pid pid; static const mdb_bitmask_t p_flag_bits[] = { { "SSYS", SSYS, SSYS }, { "SEXITING", SEXITING, SEXITING }, { "SITBUSY", SITBUSY, SITBUSY }, { "SFORKING", SFORKING, SFORKING }, { "SWATCHOK", SWATCHOK, SWATCHOK }, { "SKILLED", SKILLED, SKILLED }, { "SSCONT", SSCONT, SSCONT }, { "SZONETOP", SZONETOP, SZONETOP }, { "SEXTKILLED", SEXTKILLED, SEXTKILLED }, { "SUGID", SUGID, SUGID }, { "SEXECED", SEXECED, SEXECED }, { "SJCTL", SJCTL, SJCTL }, { "SNOWAIT", SNOWAIT, SNOWAIT }, { "SVFORK", SVFORK, SVFORK }, { "SVFWAIT", SVFWAIT, SVFWAIT }, { "SEXITLWPS", SEXITLWPS, SEXITLWPS }, { "SHOLDFORK", SHOLDFORK, SHOLDFORK }, { "SHOLDFORK1", SHOLDFORK1, SHOLDFORK1 }, { "SCOREDUMP", SCOREDUMP, SCOREDUMP }, { "SMSACCT", SMSACCT, SMSACCT }, { "SLWPWRAP", SLWPWRAP, SLWPWRAP }, { "SAUTOLPG", SAUTOLPG, SAUTOLPG }, { "SNOCD", SNOCD, SNOCD }, { "SHOLDWATCH", SHOLDWATCH, SHOLDWATCH }, { "SMSFORK", SMSFORK, SMSFORK }, { "SDOCORE", SDOCORE, SDOCORE }, { NULL, 0, 0 } }; static const mdb_bitmask_t p_pidflag_bits[] = { { "CLDPEND", CLDPEND, CLDPEND }, { "CLDCONT", CLDCONT, CLDCONT }, { "CLDNOSIGCHLD", CLDNOSIGCHLD, CLDNOSIGCHLD }, { "CLDWAITPID", CLDWAITPID, CLDWAITPID }, { NULL, 0, 0 } }; static const mdb_bitmask_t p_proc_flag_bits[] = { { "P_PR_TRACE", P_PR_TRACE, P_PR_TRACE }, { "P_PR_PTRACE", P_PR_PTRACE, P_PR_PTRACE }, { "P_PR_FORK", P_PR_FORK, P_PR_FORK }, { "P_PR_LOCK", P_PR_LOCK, P_PR_LOCK }, { "P_PR_ASYNC", P_PR_ASYNC, P_PR_ASYNC }, { "P_PR_EXEC", P_PR_EXEC, P_PR_EXEC }, { "P_PR_BPTADJ", P_PR_BPTADJ, P_PR_BPTADJ }, { "P_PR_RUNLCL", P_PR_RUNLCL, P_PR_RUNLCL }, { "P_PR_KILLCL", P_PR_KILLCL, P_PR_KILLCL }, { NULL, 0, 0 } }; if (!(flags & DCMD_ADDRSPEC)) { if (mdb_walk_dcmd("proc", "pflags", argc, argv) == -1) { mdb_warn("can't walk 'proc'"); return (DCMD_ERR); } return (DCMD_OK); } if (mdb_ctf_vread(&pr, "proc_t", "mdb_pflags_proc_t", addr, 0) == -1 || mdb_vread(&pid, sizeof (pid), (uintptr_t)pr.p_pidp) == -1) { mdb_warn("cannot read proc_t or pid"); return (DCMD_ERR); } mdb_printf("%p [pid %d]:\n", addr, pid.pid_id); mdb_printf("\tp_flag: %08x <%b>\n", pr.p_flag, pr.p_flag, p_flag_bits); mdb_printf("\tp_pidflag: %08x <%b>\n", pr.p_pidflag, pr.p_pidflag, p_pidflag_bits); mdb_printf("\tp_proc_flag: %08x <%b>\n", pr.p_proc_flag, pr.p_proc_flag, p_proc_flag_bits); return (DCMD_OK); } typedef struct mdb_ps_proc { char p_stat; struct pid *p_pidp; struct pid *p_pgidp; struct cred *p_cred; struct sess *p_sessp; struct task *p_task; struct zone *p_zone; struct cont_process *p_ct_process; pid_t p_ppid; uint_t p_flag; struct { char u_comm[MAXCOMLEN + 1]; char u_psargs[PSARGSZ]; } p_user; } mdb_ps_proc_t; /* * A reasonable enough limit. Note that we purposefully let this column over-run * if needed. */ #define FMRI_LEN (128) int ps(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) { uint_t prt_flags = 0; mdb_ps_proc_t pr; struct pid pid, pgid, sid; sess_t session; cred_t cred; task_t tk; kproject_t pj; zone_t zn; struct cont_process cp; char fmri[FMRI_LEN] = ""; if (!(flags & DCMD_ADDRSPEC)) { if (mdb_walk_dcmd("proc", "ps", argc, argv) == -1) { mdb_warn("can't walk 'proc'"); return (DCMD_ERR); } return (DCMD_OK); } if (mdb_getopts(argc, argv, 'f', MDB_OPT_SETBITS, PS_PSARGS, &prt_flags, 'l', MDB_OPT_SETBITS, PS_PRTLWPS, &prt_flags, 's', MDB_OPT_SETBITS, PS_SERVICES, &prt_flags, 'T', MDB_OPT_SETBITS, PS_TASKS, &prt_flags, 'P', MDB_OPT_SETBITS, PS_PROJECTS, &prt_flags, 'z', MDB_OPT_SETBITS, PS_ZONES, &prt_flags, 't', MDB_OPT_SETBITS, PS_PRTTHREADS, &prt_flags, NULL) != argc) return (DCMD_USAGE); if (DCMD_HDRSPEC(flags)) { mdb_printf("%%-1s %-6s %-6s %-6s %-6s ", "S", "PID", "PPID", "PGID", "SID"); if (prt_flags & PS_TASKS) mdb_printf("%-5s ", "TASK"); if (prt_flags & PS_PROJECTS) mdb_printf("%-5s ", "PROJ"); if (prt_flags & PS_ZONES) mdb_printf("%-5s ", "ZONE"); if (prt_flags & PS_SERVICES) mdb_printf("%-40s ", "SERVICE"); mdb_printf("%-6s %-10s %-?s %-s%\n", "UID", "FLAGS", "ADDR", "NAME"); } if (mdb_ctf_vread(&pr, "proc_t", "mdb_ps_proc_t", addr, 0) == -1) return (DCMD_ERR); mdb_vread(&pid, sizeof (pid), (uintptr_t)pr.p_pidp); mdb_vread(&pgid, sizeof (pgid), (uintptr_t)pr.p_pgidp); mdb_vread(&cred, sizeof (cred), (uintptr_t)pr.p_cred); mdb_vread(&session, sizeof (session), (uintptr_t)pr.p_sessp); mdb_vread(&sid, sizeof (sid), (uintptr_t)session.s_sidp); if (prt_flags & (PS_TASKS | PS_PROJECTS)) mdb_vread(&tk, sizeof (tk), (uintptr_t)pr.p_task); if (prt_flags & PS_PROJECTS) mdb_vread(&pj, sizeof (pj), (uintptr_t)tk.tk_proj); if (prt_flags & PS_ZONES) mdb_vread(&zn, sizeof (zn), (uintptr_t)pr.p_zone); if ((prt_flags & PS_SERVICES) && pr.p_ct_process != NULL) { mdb_vread(&cp, sizeof (cp), (uintptr_t)pr.p_ct_process); if (mdb_read_refstr((uintptr_t)cp.conp_svc_fmri, fmri, sizeof (fmri)) <= 0) (void) strlcpy(fmri, "?", sizeof (fmri)); /* Strip any standard prefix and suffix. */ if (strncmp(fmri, "svc:/", sizeof ("svc:/") - 1) == 0) { char *i = fmri; char *j = fmri + sizeof ("svc:/") - 1; for (; *j != '\0'; i++, j++) { if (strcmp(j, ":default") == 0) break; *i = *j; } *i = '\0'; } } mdb_printf("%-c %-6d %-6d %-6d %-6d ", pstat2ch(pr.p_stat), pid.pid_id, pr.p_ppid, pgid.pid_id, sid.pid_id); if (prt_flags & PS_TASKS) mdb_printf("%-5d ", tk.tk_tkid); if (prt_flags & PS_PROJECTS) mdb_printf("%-5d ", pj.kpj_id); if (prt_flags & PS_ZONES) mdb_printf("%-5d ", zn.zone_id); if (prt_flags & PS_SERVICES) mdb_printf("%-40s ", fmri); mdb_printf("%-6d 0x%08x %0?p %-s\n", cred.cr_uid, pr.p_flag, addr, (prt_flags & PS_PSARGS) ? pr.p_user.u_psargs : pr.p_user.u_comm); if (prt_flags & ~PS_PSARGS) (void) mdb_pwalk("thread", ps_threadprint, &prt_flags, addr); return (DCMD_OK); } static void ps_help(void) { mdb_printf("Display processes.\n\n" "Options:\n" " -f\tDisplay command arguments\n" " -l\tDisplay LWPs\n" " -T\tDisplay tasks\n" " -P\tDisplay projects\n" " -s\tDisplay SMF FMRI\n" " -z\tDisplay zones\n" " -t\tDisplay threads\n\n"); mdb_printf("The resulting output is a table of the processes on the " "system. The\n" "columns in the output consist of a combination of the " "following fields:\n\n"); mdb_printf("S\tProcess state. Possible states are:\n" "\tS\tSleeping (SSLEEP)\n" "\tR\tRunnable (SRUN)\n" "\tZ\tZombie (SZOMB)\n" "\tI\tIdle (SIDL)\n" "\tO\tOn Cpu (SONPROC)\n" "\tT\tStopped (SSTOP)\n" "\tW\tWaiting (SWAIT)\n"); mdb_printf("PID\tProcess id.\n"); mdb_printf("PPID\tParent process id.\n"); mdb_printf("PGID\tProcess group id.\n"); mdb_printf("SID\tProcess id of the session leader.\n"); mdb_printf("TASK\tThe task id of the process.\n"); mdb_printf("PROJ\tThe project id of the process.\n"); mdb_printf("ZONE\tThe zone id of the process.\n"); mdb_printf("SERVICE The SMF service FMRI of the process.\n"); mdb_printf("UID\tThe user id of the process.\n"); mdb_printf("FLAGS\tThe process flags (see ::pflags).\n"); mdb_printf("ADDR\tThe kernel address of the proc_t structure of the " "process\n"); mdb_printf("NAME\tThe name (p_user.u_comm field) of the process. If " "the -f flag\n" "\tis specified, the arguments of the process are displayed.\n"); } #define PG_NEWEST 0x0001 #define PG_OLDEST 0x0002 #define PG_PIPE_OUT 0x0004 #define PG_EXACT_MATCH 0x0008 typedef struct pgrep_data { uint_t pg_flags; uint_t pg_psflags; uintptr_t pg_xaddr; hrtime_t pg_xstart; const char *pg_pat; #ifndef _KMDB regex_t pg_reg; #endif } pgrep_data_t; typedef struct mdb_pgrep_proc { struct { timestruc_t u_start; char u_comm[MAXCOMLEN + 1]; } p_user; } mdb_pgrep_proc_t; /*ARGSUSED*/ static int pgrep_cb(uintptr_t addr, const void *ignored, void *data) { mdb_pgrep_proc_t p; pgrep_data_t *pgp = data; #ifndef _KMDB regmatch_t pmatch; #endif if (mdb_ctf_vread(&p, "proc_t", "mdb_pgrep_proc_t", addr, 0) == -1) return (WALK_ERR); /* * kmdb doesn't have access to the reg* functions, so we fall back * to strstr/strcmp. */ #ifdef _KMDB if ((pgp->pg_flags & PG_EXACT_MATCH) ? (strcmp(p.p_user.u_comm, pgp->pg_pat) != 0) : (strstr(p.p_user.u_comm, pgp->pg_pat) == NULL)) return (WALK_NEXT); #else if (regexec(&pgp->pg_reg, p.p_user.u_comm, 1, &pmatch, 0) != 0) return (WALK_NEXT); if ((pgp->pg_flags & PG_EXACT_MATCH) && (pmatch.rm_so != 0 || p.p_user.u_comm[pmatch.rm_eo] != '\0')) return (WALK_NEXT); #endif if (pgp->pg_flags & (PG_NEWEST | PG_OLDEST)) { hrtime_t start; start = (hrtime_t)p.p_user.u_start.tv_sec * NANOSEC + p.p_user.u_start.tv_nsec; if (pgp->pg_flags & PG_NEWEST) { if (pgp->pg_xaddr == 0 || start > pgp->pg_xstart) { pgp->pg_xaddr = addr; pgp->pg_xstart = start; } } else { if (pgp->pg_xaddr == 0 || start < pgp->pg_xstart) { pgp->pg_xaddr = addr; pgp->pg_xstart = start; } } } else if (pgp->pg_flags & PG_PIPE_OUT) { mdb_printf("%p\n", addr); } else { if (mdb_call_dcmd("ps", addr, pgp->pg_psflags, 0, NULL) != 0) { mdb_warn("can't invoke 'ps'"); return (WALK_DONE); } pgp->pg_psflags &= ~DCMD_LOOPFIRST; } return (WALK_NEXT); } /*ARGSUSED*/ int pgrep(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) { pgrep_data_t pg; int i; #ifndef _KMDB int err; #endif if (flags & DCMD_ADDRSPEC) return (DCMD_USAGE); pg.pg_flags = 0; pg.pg_xaddr = 0; i = mdb_getopts(argc, argv, 'n', MDB_OPT_SETBITS, PG_NEWEST, &pg.pg_flags, 'o', MDB_OPT_SETBITS, PG_OLDEST, &pg.pg_flags, 'x', MDB_OPT_SETBITS, PG_EXACT_MATCH, &pg.pg_flags, NULL); argc -= i; argv += i; if (argc != 1) return (DCMD_USAGE); /* * -n and -o are mutually exclusive. */ if ((pg.pg_flags & PG_NEWEST) && (pg.pg_flags & PG_OLDEST)) return (DCMD_USAGE); if (argv->a_type != MDB_TYPE_STRING) return (DCMD_USAGE); if (flags & DCMD_PIPE_OUT) pg.pg_flags |= PG_PIPE_OUT; pg.pg_pat = argv->a_un.a_str; if (DCMD_HDRSPEC(flags)) pg.pg_psflags = DCMD_ADDRSPEC | DCMD_LOOP | DCMD_LOOPFIRST; else pg.pg_psflags = DCMD_ADDRSPEC | DCMD_LOOP; #ifndef _KMDB if ((err = regcomp(&pg.pg_reg, pg.pg_pat, REG_EXTENDED)) != 0) { size_t nbytes; char *buf; nbytes = regerror(err, &pg.pg_reg, NULL, 0); buf = mdb_alloc(nbytes + 1, UM_SLEEP | UM_GC); (void) regerror(err, &pg.pg_reg, buf, nbytes); mdb_warn("%s\n", buf); return (DCMD_ERR); } #endif if (mdb_walk("proc", pgrep_cb, &pg) != 0) { mdb_warn("can't walk 'proc'"); return (DCMD_ERR); } if (pg.pg_xaddr != 0 && (pg.pg_flags & (PG_NEWEST | PG_OLDEST))) { if (pg.pg_flags & PG_PIPE_OUT) { mdb_printf("%p\n", pg.pg_xaddr); } else { if (mdb_call_dcmd("ps", pg.pg_xaddr, pg.pg_psflags, 0, NULL) != 0) { mdb_warn("can't invoke 'ps'"); return (DCMD_ERR); } } } return (DCMD_OK); } int task(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) { task_t tk; kproject_t pj; if (!(flags & DCMD_ADDRSPEC)) { if (mdb_walk_dcmd("task_cache", "task", argc, argv) == -1) { mdb_warn("can't walk task_cache"); return (DCMD_ERR); } return (DCMD_OK); } if (DCMD_HDRSPEC(flags)) { mdb_printf("%%?s %6s %6s %6s %6s %10s%\n", "ADDR", "TASKID", "PROJID", "ZONEID", "REFCNT", "FLAGS"); } if (mdb_vread(&tk, sizeof (task_t), addr) == -1) { mdb_warn("can't read task_t structure at %p", addr); return (DCMD_ERR); } if (mdb_vread(&pj, sizeof (kproject_t), (uintptr_t)tk.tk_proj) == -1) { mdb_warn("can't read project_t structure at %p", addr); return (DCMD_ERR); } mdb_printf("%0?p %6d %6d %6d %6u 0x%08x\n", addr, tk.tk_tkid, pj.kpj_id, pj.kpj_zoneid, tk.tk_hold_count, tk.tk_flags); return (DCMD_OK); } int project(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) { kproject_t pj; if (!(flags & DCMD_ADDRSPEC)) { if (mdb_walk_dcmd("projects", "project", argc, argv) == -1) { mdb_warn("can't walk projects"); return (DCMD_ERR); } return (DCMD_OK); } if (DCMD_HDRSPEC(flags)) { mdb_printf("%%?s %6s %6s %6s%\n", "ADDR", "PROJID", "ZONEID", "REFCNT"); } if (mdb_vread(&pj, sizeof (kproject_t), addr) == -1) { mdb_warn("can't read kproject_t structure at %p", addr); return (DCMD_ERR); } mdb_printf("%0?p %6d %6d %6u\n", addr, pj.kpj_id, pj.kpj_zoneid, pj.kpj_count); return (DCMD_OK); } /* walk callouts themselves, either by list or id hash. */ int callout_walk_init(mdb_walk_state_t *wsp) { if (wsp->walk_addr == 0) { mdb_warn("callout doesn't support global walk"); return (WALK_ERR); } wsp->walk_data = mdb_alloc(sizeof (callout_t), UM_SLEEP); return (WALK_NEXT); } #define CALLOUT_WALK_BYLIST 0 #define CALLOUT_WALK_BYID 1 /* the walker arg switches between walking by list (0) and walking by id (1). */ int callout_walk_step(mdb_walk_state_t *wsp) { int retval; if (wsp->walk_addr == 0) { return (WALK_DONE); } if (mdb_vread(wsp->walk_data, sizeof (callout_t), wsp->walk_addr) == -1) { mdb_warn("failed to read callout at %p", wsp->walk_addr); return (WALK_DONE); } retval = wsp->walk_callback(wsp->walk_addr, wsp->walk_data, wsp->walk_cbdata); if ((ulong_t)wsp->walk_arg == CALLOUT_WALK_BYID) { wsp->walk_addr = (uintptr_t)(((callout_t *)wsp->walk_data)->c_idnext); } else { wsp->walk_addr = (uintptr_t)(((callout_t *)wsp->walk_data)->c_clnext); } return (retval); } void callout_walk_fini(mdb_walk_state_t *wsp) { mdb_free(wsp->walk_data, sizeof (callout_t)); } /* * walker for callout lists. This is different from hashes and callouts. * Thankfully, it's also simpler. */ int callout_list_walk_init(mdb_walk_state_t *wsp) { if (wsp->walk_addr == 0) { mdb_warn("callout list doesn't support global walk"); return (WALK_ERR); } wsp->walk_data = mdb_alloc(sizeof (callout_list_t), UM_SLEEP); return (WALK_NEXT); } int callout_list_walk_step(mdb_walk_state_t *wsp) { int retval; if (wsp->walk_addr == 0) { return (WALK_DONE); } if (mdb_vread(wsp->walk_data, sizeof (callout_list_t), wsp->walk_addr) != sizeof (callout_list_t)) { mdb_warn("failed to read callout_list at %p", wsp->walk_addr); return (WALK_ERR); } retval = wsp->walk_callback(wsp->walk_addr, wsp->walk_data, wsp->walk_cbdata); wsp->walk_addr = (uintptr_t) (((callout_list_t *)wsp->walk_data)->cl_next); return (retval); } void callout_list_walk_fini(mdb_walk_state_t *wsp) { mdb_free(wsp->walk_data, sizeof (callout_list_t)); } /* routines/structs to walk callout table(s) */ typedef struct cot_data { callout_table_t *ct0; callout_table_t ct; callout_hash_t cot_idhash[CALLOUT_BUCKETS]; callout_hash_t cot_clhash[CALLOUT_BUCKETS]; kstat_named_t ct_kstat_data[CALLOUT_NUM_STATS]; int cotndx; int cotsize; } cot_data_t; int callout_table_walk_init(mdb_walk_state_t *wsp) { int max_ncpus; cot_data_t *cot_walk_data; cot_walk_data = mdb_alloc(sizeof (cot_data_t), UM_SLEEP); if (wsp->walk_addr == 0) { if (mdb_readvar(&cot_walk_data->ct0, "callout_table") == -1) { mdb_warn("failed to read 'callout_table'"); return (WALK_ERR); } if (mdb_readvar(&max_ncpus, "max_ncpus") == -1) { mdb_warn("failed to get callout_table array size"); return (WALK_ERR); } cot_walk_data->cotsize = CALLOUT_NTYPES * max_ncpus; wsp->walk_addr = (uintptr_t)cot_walk_data->ct0; } else { /* not a global walk */ cot_walk_data->cotsize = 1; } cot_walk_data->cotndx = 0; wsp->walk_data = cot_walk_data; return (WALK_NEXT); } int callout_table_walk_step(mdb_walk_state_t *wsp) { int retval; cot_data_t *cotwd = (cot_data_t *)wsp->walk_data; size_t size; if (cotwd->cotndx >= cotwd->cotsize) { return (WALK_DONE); } if (mdb_vread(&(cotwd->ct), sizeof (callout_table_t), wsp->walk_addr) != sizeof (callout_table_t)) { mdb_warn("failed to read callout_table at %p", wsp->walk_addr); return (WALK_ERR); } size = sizeof (callout_hash_t) * CALLOUT_BUCKETS; if (cotwd->ct.ct_idhash != NULL) { if (mdb_vread(cotwd->cot_idhash, size, (uintptr_t)(cotwd->ct.ct_idhash)) != size) { mdb_warn("failed to read id_hash at %p", cotwd->ct.ct_idhash); return (WALK_ERR); } } if (cotwd->ct.ct_clhash != NULL) { if (mdb_vread(&(cotwd->cot_clhash), size, (uintptr_t)cotwd->ct.ct_clhash) == -1) { mdb_warn("failed to read cl_hash at %p", cotwd->ct.ct_clhash); return (WALK_ERR); } } size = sizeof (kstat_named_t) * CALLOUT_NUM_STATS; if (cotwd->ct.ct_kstat_data != NULL) { if (mdb_vread(&(cotwd->ct_kstat_data), size, (uintptr_t)cotwd->ct.ct_kstat_data) == -1) { mdb_warn("failed to read kstats at %p", cotwd->ct.ct_kstat_data); return (WALK_ERR); } } retval = wsp->walk_callback(wsp->walk_addr, (void *)cotwd, wsp->walk_cbdata); cotwd->cotndx++; if (cotwd->cotndx >= cotwd->cotsize) { return (WALK_DONE); } wsp->walk_addr = (uintptr_t)((char *)wsp->walk_addr + sizeof (callout_table_t)); return (retval); } void callout_table_walk_fini(mdb_walk_state_t *wsp) { mdb_free(wsp->walk_data, sizeof (cot_data_t)); } static const char *co_typenames[] = { "R", "N" }; #define CO_PLAIN_ID(xid) ((xid) & CALLOUT_ID_MASK) #define TABLE_TO_SEQID(x) ((x) >> CALLOUT_TYPE_BITS) /* callout flags, in no particular order */ #define COF_REAL 0x00000001 #define COF_NORM 0x00000002 #define COF_LONG 0x00000004 #define COF_SHORT 0x00000008 #define COF_EMPTY 0x00000010 #define COF_TIME 0x00000020 #define COF_BEFORE 0x00000040 #define COF_AFTER 0x00000080 #define COF_SEQID 0x00000100 #define COF_FUNC 0x00000200 #define COF_ADDR 0x00000400 #define COF_EXEC 0x00000800 #define COF_HIRES 0x00001000 #define COF_ABS 0x00002000 #define COF_TABLE 0x00004000 #define COF_BYIDH 0x00008000 #define COF_FREE 0x00010000 #define COF_LIST 0x00020000 #define COF_EXPREL 0x00040000 #define COF_HDR 0x00080000 #define COF_VERBOSE 0x00100000 #define COF_LONGLIST 0x00200000 #define COF_THDR 0x00400000 #define COF_LHDR 0x00800000 #define COF_CHDR 0x01000000 #define COF_PARAM 0x02000000 #define COF_DECODE 0x04000000 #define COF_HEAP 0x08000000 #define COF_QUEUE 0x10000000 /* show real and normal, short and long, expired and unexpired. */ #define COF_DEFAULT (COF_REAL | COF_NORM | COF_LONG | COF_SHORT) #define COF_LIST_FLAGS \ (CALLOUT_LIST_FLAG_HRESTIME | CALLOUT_LIST_FLAG_ABSOLUTE) /* private callout data for callback functions */ typedef struct callout_data { uint_t flags; /* COF_* */ cpu_t *cpu; /* cpu pointer if given */ int seqid; /* cpu seqid, or -1 */ hrtime_t time; /* expiration time value */ hrtime_t atime; /* expiration before value */ hrtime_t btime; /* expiration after value */ uintptr_t funcaddr; /* function address or NULL */ uintptr_t param; /* parameter to function or NULL */ hrtime_t now; /* current system time */ int nsec_per_tick; /* for conversions */ ulong_t ctbits; /* for decoding xid */ callout_table_t *co_table; /* top of callout table array */ int ndx; /* table index. */ int bucket; /* which list/id bucket are we in */ hrtime_t exp; /* expire time */ int list_flags; /* copy of cl_flags */ } callout_data_t; /* this callback does the actual callback itself (finally). */ /*ARGSUSED*/ static int callouts_cb(uintptr_t addr, const void *data, void *priv) { callout_data_t *coargs = (callout_data_t *)priv; callout_t *co = (callout_t *)data; int tableid, list_flags; callout_id_t coid; if ((coargs == NULL) || (co == NULL)) { return (WALK_ERR); } if ((coargs->flags & COF_FREE) && !(co->c_xid & CALLOUT_ID_FREE)) { /* * The callout must have been reallocated. No point in * walking any more. */ return (WALK_DONE); } if (!(coargs->flags & COF_FREE) && (co->c_xid & CALLOUT_ID_FREE)) { /* * The callout must have been freed. No point in * walking any more. */ return (WALK_DONE); } if ((coargs->flags & COF_FUNC) && (coargs->funcaddr != (uintptr_t)co->c_func)) { return (WALK_NEXT); } if ((coargs->flags & COF_PARAM) && (coargs->param != (uintptr_t)co->c_arg)) { return (WALK_NEXT); } if (!(coargs->flags & COF_LONG) && (co->c_xid & CALLOUT_LONGTERM)) { return (WALK_NEXT); } if (!(coargs->flags & COF_SHORT) && !(co->c_xid & CALLOUT_LONGTERM)) { return (WALK_NEXT); } if ((coargs->flags & COF_EXEC) && !(co->c_xid & CALLOUT_EXECUTING)) { return (WALK_NEXT); } /* it is possible we don't have the exp time or flags */ if (coargs->flags & COF_BYIDH) { if (!(coargs->flags & COF_FREE)) { /* we have to fetch the expire time ourselves. */ if (mdb_vread(&coargs->exp, sizeof (hrtime_t), (uintptr_t)co->c_list + offsetof(callout_list_t, cl_expiration)) == -1) { mdb_warn("failed to read expiration " "time from %p", co->c_list); coargs->exp = 0; } /* and flags. */ if (mdb_vread(&coargs->list_flags, sizeof (int), (uintptr_t)co->c_list + offsetof(callout_list_t, cl_flags)) == -1) { mdb_warn("failed to read list flags" "from %p", co->c_list); coargs->list_flags = 0; } } else { /* free callouts can't use list pointer. */ coargs->exp = 0; coargs->list_flags = 0; } if (coargs->exp != 0) { if ((coargs->flags & COF_TIME) && (coargs->exp != coargs->time)) { return (WALK_NEXT); } if ((coargs->flags & COF_BEFORE) && (coargs->exp > coargs->btime)) { return (WALK_NEXT); } if ((coargs->flags & COF_AFTER) && (coargs->exp < coargs->atime)) { return (WALK_NEXT); } } /* tricky part, since both HIRES and ABS can be set */ list_flags = coargs->list_flags; if ((coargs->flags & COF_HIRES) && (coargs->flags & COF_ABS)) { /* both flags are set, only skip "regular" ones */ if (! (list_flags & COF_LIST_FLAGS)) { return (WALK_NEXT); } } else { /* individual flags, or no flags */ if ((coargs->flags & COF_HIRES) && !(list_flags & CALLOUT_LIST_FLAG_HRESTIME)) { return (WALK_NEXT); } if ((coargs->flags & COF_ABS) && !(list_flags & CALLOUT_LIST_FLAG_ABSOLUTE)) { return (WALK_NEXT); } } /* * We do the checks for COF_HEAP and COF_QUEUE here only if we * are traversing BYIDH. If the traversal is by callout list, * we do this check in callout_list_cb() to be more * efficient. */ if ((coargs->flags & COF_HEAP) && !(list_flags & CALLOUT_LIST_FLAG_HEAPED)) { return (WALK_NEXT); } if ((coargs->flags & COF_QUEUE) && !(list_flags & CALLOUT_LIST_FLAG_QUEUED)) { return (WALK_NEXT); } } #define callout_table_mask ((1 << coargs->ctbits) - 1) tableid = CALLOUT_ID_TO_TABLE(co->c_xid); #undef callout_table_mask coid = CO_PLAIN_ID(co->c_xid); if ((coargs->flags & COF_CHDR) && !(coargs->flags & COF_ADDR)) { /* * We need to print the headers. If walking by id, then * the list header isn't printed, so we must include * that info here. */ if (!(coargs->flags & COF_VERBOSE)) { mdb_printf("%%3s %-1s %-14s %", "SEQ", "T", "EXP"); } else if (coargs->flags & COF_BYIDH) { mdb_printf("%%-14s %", "EXP"); } mdb_printf("%%-4s %-?s %-20s%", "XHAL", "XID", "FUNC(ARG)"); if (coargs->flags & COF_LONGLIST) { mdb_printf("% %-?s %-?s %-?s %-?s%", "PREVID", "NEXTID", "PREVL", "NEXTL"); mdb_printf("% %-?s %-4s %-?s%", "DONE", "UTOS", "THREAD"); } mdb_printf("\n"); coargs->flags &= ~COF_CHDR; coargs->flags |= (COF_THDR | COF_LHDR); } if (!(coargs->flags & COF_ADDR)) { if (!(coargs->flags & COF_VERBOSE)) { mdb_printf("%-3d %1s %-14llx ", TABLE_TO_SEQID(tableid), co_typenames[tableid & CALLOUT_TYPE_MASK], (coargs->flags & COF_EXPREL) ? coargs->exp - coargs->now : coargs->exp); } else if (coargs->flags & COF_BYIDH) { mdb_printf("%-14x ", (coargs->flags & COF_EXPREL) ? coargs->exp - coargs->now : coargs->exp); } list_flags = coargs->list_flags; mdb_printf("%1s%1s%1s%1s %-?llx %a(%p)", (co->c_xid & CALLOUT_EXECUTING) ? "X" : " ", (list_flags & CALLOUT_LIST_FLAG_HRESTIME) ? "H" : " ", (list_flags & CALLOUT_LIST_FLAG_ABSOLUTE) ? "A" : " ", (co->c_xid & CALLOUT_LONGTERM) ? "L" : " ", (long long)coid, co->c_func, co->c_arg); if (coargs->flags & COF_LONGLIST) { mdb_printf(" %-?p %-?p %-?p %-?p", co->c_idprev, co->c_idnext, co->c_clprev, co->c_clnext); mdb_printf(" %-?p %-4d %-0?p", co->c_done, co->c_waiting, co->c_executor); } } else { /* address only */ mdb_printf("%-0p", addr); } mdb_printf("\n"); return (WALK_NEXT); } /* this callback is for callout list handling. idhash is done by callout_t_cb */ /*ARGSUSED*/ static int callout_list_cb(uintptr_t addr, const void *data, void *priv) { callout_data_t *coargs = (callout_data_t *)priv; callout_list_t *cl = (callout_list_t *)data; callout_t *coptr; int list_flags; if ((coargs == NULL) || (cl == NULL)) { return (WALK_ERR); } coargs->exp = cl->cl_expiration; coargs->list_flags = cl->cl_flags; if ((coargs->flags & COF_FREE) && !(cl->cl_flags & CALLOUT_LIST_FLAG_FREE)) { /* * The callout list must have been reallocated. No point in * walking any more. */ return (WALK_DONE); } if (!(coargs->flags & COF_FREE) && (cl->cl_flags & CALLOUT_LIST_FLAG_FREE)) { /* * The callout list must have been freed. No point in * walking any more. */ return (WALK_DONE); } if ((coargs->flags & COF_TIME) && (cl->cl_expiration != coargs->time)) { return (WALK_NEXT); } if ((coargs->flags & COF_BEFORE) && (cl->cl_expiration > coargs->btime)) { return (WALK_NEXT); } if ((coargs->flags & COF_AFTER) && (cl->cl_expiration < coargs->atime)) { return (WALK_NEXT); } if (!(coargs->flags & COF_EMPTY) && (cl->cl_callouts.ch_head == NULL)) { return (WALK_NEXT); } /* FOUR cases, each different, !A!B, !AB, A!B, AB */ if ((coargs->flags & COF_HIRES) && (coargs->flags & COF_ABS)) { /* both flags are set, only skip "regular" ones */ if (! (cl->cl_flags & COF_LIST_FLAGS)) { return (WALK_NEXT); } } else { if ((coargs->flags & COF_HIRES) && !(cl->cl_flags & CALLOUT_LIST_FLAG_HRESTIME)) { return (WALK_NEXT); } if ((coargs->flags & COF_ABS) && !(cl->cl_flags & CALLOUT_LIST_FLAG_ABSOLUTE)) { return (WALK_NEXT); } } if ((coargs->flags & COF_HEAP) && !(coargs->list_flags & CALLOUT_LIST_FLAG_HEAPED)) { return (WALK_NEXT); } if ((coargs->flags & COF_QUEUE) && !(coargs->list_flags & CALLOUT_LIST_FLAG_QUEUED)) { return (WALK_NEXT); } if ((coargs->flags & COF_LHDR) && !(coargs->flags & COF_ADDR) && (coargs->flags & (COF_LIST | COF_VERBOSE))) { if (!(coargs->flags & COF_VERBOSE)) { /* don't be redundant again */ mdb_printf("%SEQ T %"); } mdb_printf("%EXP HA BUCKET " "CALLOUTS %"); if (coargs->flags & COF_LONGLIST) { mdb_printf("% %-?s %-?s%", "PREV", "NEXT"); } mdb_printf("\n"); coargs->flags &= ~COF_LHDR; coargs->flags |= (COF_THDR | COF_CHDR); } if (coargs->flags & (COF_LIST | COF_VERBOSE)) { if (!(coargs->flags & COF_ADDR)) { if (!(coargs->flags & COF_VERBOSE)) { mdb_printf("%3d %1s ", TABLE_TO_SEQID(coargs->ndx), co_typenames[coargs->ndx & CALLOUT_TYPE_MASK]); } list_flags = coargs->list_flags; mdb_printf("%-14llx %1s%1s %-6d %-0?p ", (coargs->flags & COF_EXPREL) ? coargs->exp - coargs->now : coargs->exp, (list_flags & CALLOUT_LIST_FLAG_HRESTIME) ? "H" : " ", (list_flags & CALLOUT_LIST_FLAG_ABSOLUTE) ? "A" : " ", coargs->bucket, cl->cl_callouts.ch_head); if (coargs->flags & COF_LONGLIST) { mdb_printf(" %-?p %-?p", cl->cl_prev, cl->cl_next); } } else { /* address only */ mdb_printf("%-0p", addr); } mdb_printf("\n"); if (coargs->flags & COF_LIST) { return (WALK_NEXT); } } /* yet another layer as we walk the actual callouts via list. */ if (cl->cl_callouts.ch_head == NULL) { return (WALK_NEXT); } /* free list structures do not have valid callouts off of them. */ if (coargs->flags & COF_FREE) { return (WALK_NEXT); } coptr = (callout_t *)cl->cl_callouts.ch_head; if (coargs->flags & COF_VERBOSE) { mdb_inc_indent(4); } /* * walk callouts using yet another callback routine. * we use callouts_bytime because id hash is handled via * the callout_t_cb callback. */ if (mdb_pwalk("callouts_bytime", callouts_cb, coargs, (uintptr_t)coptr) == -1) { mdb_warn("cannot walk callouts at %p", coptr); return (WALK_ERR); } if (coargs->flags & COF_VERBOSE) { mdb_dec_indent(4); } return (WALK_NEXT); } /* this callback handles the details of callout table walking. */ static int callout_t_cb(uintptr_t addr, const void *data, void *priv) { callout_data_t *coargs = (callout_data_t *)priv; cot_data_t *cotwd = (cot_data_t *)data; callout_table_t *ct = &(cotwd->ct); int index, seqid, cotype; int i; callout_list_t *clptr; callout_t *coptr; if ((coargs == NULL) || (ct == NULL) || (coargs->co_table == NULL)) { return (WALK_ERR); } index = ((char *)addr - (char *)coargs->co_table) / sizeof (callout_table_t); cotype = index & CALLOUT_TYPE_MASK; seqid = TABLE_TO_SEQID(index); if ((coargs->flags & COF_SEQID) && (coargs->seqid != seqid)) { return (WALK_NEXT); } if (!(coargs->flags & COF_REAL) && (cotype == CALLOUT_REALTIME)) { return (WALK_NEXT); } if (!(coargs->flags & COF_NORM) && (cotype == CALLOUT_NORMAL)) { return (WALK_NEXT); } if (!(coargs->flags & COF_EMPTY) && ( (ct->ct_heap == NULL) || (ct->ct_cyclic == 0))) { return (WALK_NEXT); } if ((coargs->flags & COF_THDR) && !(coargs->flags & COF_ADDR) && (coargs->flags & (COF_TABLE | COF_VERBOSE))) { /* print table hdr */ mdb_printf("%%-3s %-1s %-?s %-?s %-?s %-?s%", "SEQ", "T", "FREE", "LFREE", "CYCLIC", "HEAP"); coargs->flags &= ~COF_THDR; coargs->flags |= (COF_LHDR | COF_CHDR); if (coargs->flags & COF_LONGLIST) { /* more info! */ mdb_printf("% %-T%-7s %-7s %-?s %-?s %-?s" " %-?s %-?s %-?s%", "HEAPNUM", "HEAPMAX", "TASKQ", "EXPQ", "QUE", "PEND", "FREE", "LOCK"); } mdb_printf("\n"); } if (coargs->flags & (COF_TABLE | COF_VERBOSE)) { if (!(coargs->flags & COF_ADDR)) { mdb_printf("%-3d %-1s %-0?p %-0?p %-0?p %-?p", seqid, co_typenames[cotype], ct->ct_free, ct->ct_lfree, ct->ct_cyclic, ct->ct_heap); if (coargs->flags & COF_LONGLIST) { /* more info! */ mdb_printf(" %-7d %-7d %-?p %-?p %-?p" " %-?lld %-?lld %-?p", ct->ct_heap_num, ct->ct_heap_max, ct->ct_taskq, ct->ct_expired.ch_head, ct->ct_queue.ch_head, cotwd->ct_timeouts_pending, cotwd->ct_allocations - cotwd->ct_timeouts_pending, ct->ct_mutex); } } else { /* address only */ mdb_printf("%-0?p", addr); } mdb_printf("\n"); if (coargs->flags & COF_TABLE) { return (WALK_NEXT); } } coargs->ndx = index; if (coargs->flags & COF_VERBOSE) { mdb_inc_indent(4); } /* keep digging. */ if (!(coargs->flags & COF_BYIDH)) { /* walk the list hash table */ if (coargs->flags & COF_FREE) { clptr = ct->ct_lfree; coargs->bucket = 0; if (clptr == NULL) { return (WALK_NEXT); } if (mdb_pwalk("callout_list", callout_list_cb, coargs, (uintptr_t)clptr) == -1) { mdb_warn("cannot walk callout free list at %p", clptr); return (WALK_ERR); } } else { /* first print the expired list. */ clptr = (callout_list_t *)ct->ct_expired.ch_head; if (clptr != NULL) { coargs->bucket = -1; if (mdb_pwalk("callout_list", callout_list_cb, coargs, (uintptr_t)clptr) == -1) { mdb_warn("cannot walk callout_list" " at %p", clptr); return (WALK_ERR); } } /* then, print the callout queue */ clptr = (callout_list_t *)ct->ct_queue.ch_head; if (clptr != NULL) { coargs->bucket = -1; if (mdb_pwalk("callout_list", callout_list_cb, coargs, (uintptr_t)clptr) == -1) { mdb_warn("cannot walk callout_list" " at %p", clptr); return (WALK_ERR); } } for (i = 0; i < CALLOUT_BUCKETS; i++) { if (ct->ct_clhash == NULL) { /* nothing to do */ break; } if (cotwd->cot_clhash[i].ch_head == NULL) { continue; } clptr = (callout_list_t *) cotwd->cot_clhash[i].ch_head; coargs->bucket = i; /* walk list with callback routine. */ if (mdb_pwalk("callout_list", callout_list_cb, coargs, (uintptr_t)clptr) == -1) { mdb_warn("cannot walk callout_list" " at %p", clptr); return (WALK_ERR); } } } } else { /* walk the id hash table. */ if (coargs->flags & COF_FREE) { coptr = ct->ct_free; coargs->bucket = 0; if (coptr == NULL) { return (WALK_NEXT); } if (mdb_pwalk("callouts_byid", callouts_cb, coargs, (uintptr_t)coptr) == -1) { mdb_warn("cannot walk callout id free list" " at %p", coptr); return (WALK_ERR); } } else { for (i = 0; i < CALLOUT_BUCKETS; i++) { if (ct->ct_idhash == NULL) { break; } coptr = (callout_t *) cotwd->cot_idhash[i].ch_head; if (coptr == NULL) { continue; } coargs->bucket = i; /* * walk callouts directly by id. For id * chain, the callout list is just a header, * so there's no need to walk it. */ if (mdb_pwalk("callouts_byid", callouts_cb, coargs, (uintptr_t)coptr) == -1) { mdb_warn("cannot walk callouts at %p", coptr); return (WALK_ERR); } } } } if (coargs->flags & COF_VERBOSE) { mdb_dec_indent(4); } return (WALK_NEXT); } /* * initialize some common info for both callout dcmds. */ int callout_common_init(callout_data_t *coargs) { /* we need a couple of things */ if (mdb_readvar(&(coargs->co_table), "callout_table") == -1) { mdb_warn("failed to read 'callout_table'"); return (DCMD_ERR); } /* need to get now in nsecs. Approximate with hrtime vars */ if (mdb_readsym(&(coargs->now), sizeof (hrtime_t), "hrtime_last") != sizeof (hrtime_t)) { if (mdb_readsym(&(coargs->now), sizeof (hrtime_t), "hrtime_base") != sizeof (hrtime_t)) { mdb_warn("Could not determine current system time"); return (DCMD_ERR); } } if (mdb_readvar(&(coargs->ctbits), "callout_table_bits") == -1) { mdb_warn("failed to read 'callout_table_bits'"); return (DCMD_ERR); } if (mdb_readvar(&(coargs->nsec_per_tick), "nsec_per_tick") == -1) { mdb_warn("failed to read 'nsec_per_tick'"); return (DCMD_ERR); } return (DCMD_OK); } /* * dcmd to print callouts. Optional addr limits to specific table. * Parses lots of options that get passed to callbacks for walkers. * Has it's own help function. */ /*ARGSUSED*/ int callout(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) { callout_data_t coargs; /* getopts doesn't help much with stuff like this */ boolean_t Sflag, Cflag, tflag, aflag, bflag, dflag, kflag; char *funcname = NULL; char *paramstr = NULL; uintptr_t Stmp, Ctmp; /* for getopt. */ int retval; coargs.flags = COF_DEFAULT; Sflag = Cflag = tflag = bflag = aflag = dflag = kflag = FALSE; coargs.seqid = -1; if (mdb_getopts(argc, argv, 'r', MDB_OPT_CLRBITS, COF_NORM, &coargs.flags, 'n', MDB_OPT_CLRBITS, COF_REAL, &coargs.flags, 'l', MDB_OPT_CLRBITS, COF_SHORT, &coargs.flags, 's', MDB_OPT_CLRBITS, COF_LONG, &coargs.flags, 'x', MDB_OPT_SETBITS, COF_EXEC, &coargs.flags, 'h', MDB_OPT_SETBITS, COF_HIRES, &coargs.flags, 'B', MDB_OPT_SETBITS, COF_ABS, &coargs.flags, 'E', MDB_OPT_SETBITS, COF_EMPTY, &coargs.flags, 'd', MDB_OPT_SETBITS, 1, &dflag, 'C', MDB_OPT_UINTPTR_SET, &Cflag, &Ctmp, 'S', MDB_OPT_UINTPTR_SET, &Sflag, &Stmp, 't', MDB_OPT_UINTPTR_SET, &tflag, (uintptr_t *)&coargs.time, 'a', MDB_OPT_UINTPTR_SET, &aflag, (uintptr_t *)&coargs.atime, 'b', MDB_OPT_UINTPTR_SET, &bflag, (uintptr_t *)&coargs.btime, 'k', MDB_OPT_SETBITS, 1, &kflag, 'f', MDB_OPT_STR, &funcname, 'p', MDB_OPT_STR, ¶mstr, 'T', MDB_OPT_SETBITS, COF_TABLE, &coargs.flags, 'D', MDB_OPT_SETBITS, COF_EXPREL, &coargs.flags, 'L', MDB_OPT_SETBITS, COF_LIST, &coargs.flags, 'V', MDB_OPT_SETBITS, COF_VERBOSE, &coargs.flags, 'v', MDB_OPT_SETBITS, COF_LONGLIST, &coargs.flags, 'i', MDB_OPT_SETBITS, COF_BYIDH, &coargs.flags, 'F', MDB_OPT_SETBITS, COF_FREE, &coargs.flags, 'H', MDB_OPT_SETBITS, COF_HEAP, &coargs.flags, 'Q', MDB_OPT_SETBITS, COF_QUEUE, &coargs.flags, 'A', MDB_OPT_SETBITS, COF_ADDR, &coargs.flags, NULL) != argc) { return (DCMD_USAGE); } /* initialize from kernel variables */ if ((retval = callout_common_init(&coargs)) != DCMD_OK) { return (retval); } /* do some option post-processing */ if (kflag) { coargs.time *= coargs.nsec_per_tick; coargs.atime *= coargs.nsec_per_tick; coargs.btime *= coargs.nsec_per_tick; } if (dflag) { coargs.time += coargs.now; coargs.atime += coargs.now; coargs.btime += coargs.now; } if (Sflag) { if (flags & DCMD_ADDRSPEC) { mdb_printf("-S option conflicts with explicit" " address\n"); return (DCMD_USAGE); } coargs.flags |= COF_SEQID; coargs.seqid = (int)Stmp; } if (Cflag) { if (flags & DCMD_ADDRSPEC) { mdb_printf("-C option conflicts with explicit" " address\n"); return (DCMD_USAGE); } if (coargs.flags & COF_SEQID) { mdb_printf("-C and -S are mutually exclusive\n"); return (DCMD_USAGE); } coargs.cpu = (cpu_t *)Ctmp; if (mdb_vread(&coargs.seqid, sizeof (processorid_t), (uintptr_t)&(coargs.cpu->cpu_seqid)) == -1) { mdb_warn("failed to read cpu_t at %p", Ctmp); return (DCMD_ERR); } coargs.flags |= COF_SEQID; } /* avoid null outputs. */ if (!(coargs.flags & (COF_REAL | COF_NORM))) { coargs.flags |= COF_REAL | COF_NORM; } if (!(coargs.flags & (COF_LONG | COF_SHORT))) { coargs.flags |= COF_LONG | COF_SHORT; } if (tflag) { if (aflag || bflag) { mdb_printf("-t and -a|b are mutually exclusive\n"); return (DCMD_USAGE); } coargs.flags |= COF_TIME; } if (aflag) { coargs.flags |= COF_AFTER; } if (bflag) { coargs.flags |= COF_BEFORE; } if ((aflag && bflag) && (coargs.btime <= coargs.atime)) { mdb_printf("value for -a must be earlier than the value" " for -b.\n"); return (DCMD_USAGE); } if ((coargs.flags & COF_HEAP) && (coargs.flags & COF_QUEUE)) { mdb_printf("-H and -Q are mutually exclusive\n"); return (DCMD_USAGE); } if (funcname != NULL) { GElf_Sym sym; if (mdb_lookup_by_name(funcname, &sym) != 0) { coargs.funcaddr = mdb_strtoull(funcname); } else { coargs.funcaddr = sym.st_value; } coargs.flags |= COF_FUNC; } if (paramstr != NULL) { GElf_Sym sym; if (mdb_lookup_by_name(paramstr, &sym) != 0) { coargs.param = mdb_strtoull(paramstr); } else { coargs.param = sym.st_value; } coargs.flags |= COF_PARAM; } if (!(flags & DCMD_ADDRSPEC)) { /* don't pass "dot" if no addr. */ addr = 0; } if (addr != 0) { /* * a callout table was specified. Ignore -r|n option * to avoid null output. */ coargs.flags |= (COF_REAL | COF_NORM); } if (DCMD_HDRSPEC(flags) || (coargs.flags & COF_VERBOSE)) { coargs.flags |= COF_THDR | COF_LHDR | COF_CHDR; } if (coargs.flags & COF_FREE) { coargs.flags |= COF_EMPTY; /* -F = free callouts, -FL = free lists */ if (!(coargs.flags & COF_LIST)) { coargs.flags |= COF_BYIDH; } } /* walk table, using specialized callback routine. */ if (mdb_pwalk("callout_table", callout_t_cb, &coargs, addr) == -1) { mdb_warn("cannot walk callout_table"); return (DCMD_ERR); } return (DCMD_OK); } /* * Given an extended callout id, dump its information. */ /*ARGSUSED*/ int calloutid(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) { callout_data_t coargs; callout_table_t *ctptr; callout_table_t ct; callout_id_t coid; callout_t *coptr; int tableid; callout_id_t xid; ulong_t idhash; int i, retval; const mdb_arg_t *arg; size_t size; callout_hash_t cot_idhash[CALLOUT_BUCKETS]; coargs.flags = COF_DEFAULT | COF_BYIDH; i = mdb_getopts(argc, argv, 'd', MDB_OPT_SETBITS, COF_DECODE, &coargs.flags, 'v', MDB_OPT_SETBITS, COF_LONGLIST, &coargs.flags, NULL); argc -= i; argv += i; if (argc != 1) { return (DCMD_USAGE); } arg = &argv[0]; if (arg->a_type == MDB_TYPE_IMMEDIATE) { xid = arg->a_un.a_val; } else { xid = (callout_id_t)mdb_strtoull(arg->a_un.a_str); } if (DCMD_HDRSPEC(flags)) { coargs.flags |= COF_CHDR; } /* initialize from kernel variables */ if ((retval = callout_common_init(&coargs)) != DCMD_OK) { return (retval); } /* we must massage the environment so that the macros will play nice */ #define callout_table_mask ((1 << coargs.ctbits) - 1) #define callout_table_bits coargs.ctbits #define nsec_per_tick coargs.nsec_per_tick tableid = CALLOUT_ID_TO_TABLE(xid); idhash = CALLOUT_IDHASH(xid); #undef callouts_table_bits #undef callout_table_mask #undef nsec_per_tick coid = CO_PLAIN_ID(xid); if (flags & DCMD_ADDRSPEC) { mdb_printf("calloutid does not accept explicit address.\n"); return (DCMD_USAGE); } if (coargs.flags & COF_DECODE) { if (DCMD_HDRSPEC(flags)) { mdb_printf("%%3s %1s %2s %-?s %-6s %\n", "SEQ", "T", "XL", "XID", "IDHASH"); } mdb_printf("%-3d %1s %1s%1s %-?llx %-6d\n", TABLE_TO_SEQID(tableid), co_typenames[tableid & CALLOUT_TYPE_MASK], (xid & CALLOUT_EXECUTING) ? "X" : " ", (xid & CALLOUT_LONGTERM) ? "L" : " ", (long long)coid, idhash); return (DCMD_OK); } /* get our table. Note this relies on the types being correct */ ctptr = coargs.co_table + tableid; if (mdb_vread(&ct, sizeof (callout_table_t), (uintptr_t)ctptr) == -1) { mdb_warn("failed to read callout_table at %p", ctptr); return (DCMD_ERR); } size = sizeof (callout_hash_t) * CALLOUT_BUCKETS; if (ct.ct_idhash != NULL) { if (mdb_vread(&(cot_idhash), size, (uintptr_t)ct.ct_idhash) == -1) { mdb_warn("failed to read id_hash at %p", ct.ct_idhash); return (WALK_ERR); } } /* callout at beginning of hash chain */ if (ct.ct_idhash == NULL) { mdb_printf("id hash chain for this xid is empty\n"); return (DCMD_ERR); } coptr = (callout_t *)cot_idhash[idhash].ch_head; if (coptr == NULL) { mdb_printf("id hash chain for this xid is empty\n"); return (DCMD_ERR); } coargs.ndx = tableid; coargs.bucket = idhash; /* use the walker, luke */ if (mdb_pwalk("callouts_byid", callouts_cb, &coargs, (uintptr_t)coptr) == -1) { mdb_warn("cannot walk callouts at %p", coptr); return (WALK_ERR); } return (DCMD_OK); } void callout_help(void) { mdb_printf("callout: display callouts.\n" "Given a callout table address, display callouts from table.\n" "Without an address, display callouts from all tables.\n" "options:\n" " -r|n : limit display to (r)ealtime or (n)ormal type callouts\n" " -s|l : limit display to (s)hort-term ids or (l)ong-term ids\n" " -x : limit display to callouts which are executing\n" " -h : limit display to callouts based on hrestime\n" " -B : limit display to callouts based on absolute time\n" " -t|a|b nsec: limit display to callouts that expire a(t) time," " (a)fter time,\n or (b)efore time. Use -a and -b together " " to specify a range.\n For \"now\", use -d[t|a|b] 0.\n" " -d : interpret time option to -t|a|b as delta from current time\n" " -k : use ticks instead of nanoseconds as arguments to" " -t|a|b. Note that\n ticks are less accurate and may not" " match other tick times (ie: lbolt).\n" " -D : display exiration time as delta from current time\n" " -S seqid : limit display to callouts for this cpu sequence id\n" " -C addr : limit display to callouts for this cpu pointer\n" " -f name|addr : limit display to callouts with this function\n" " -p name|addr : limit display to callouts functions with this" " parameter\n" " -T : display the callout table itself, instead of callouts\n" " -L : display callout lists instead of callouts\n" " -E : with -T or L, display empty data structures.\n" " -i : traverse callouts by id hash instead of list hash\n" " -F : walk free callout list (free list with -i) instead\n" " -v : display more info for each item\n" " -V : show details of each level of info as it is traversed\n" " -H : limit display to callouts in the callout heap\n" " -Q : limit display to callouts in the callout queue\n" " -A : show only addresses. Useful for pipelines.\n"); } void calloutid_help(void) { mdb_printf("calloutid: display callout by id.\n" "Given an extended callout id, display the callout infomation.\n" "options:\n" " -d : do not dereference callout, just decode the id.\n" " -v : verbose display more info about the callout\n"); } /*ARGSUSED*/ int class(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) { long num_classes, i; sclass_t *class_tbl; GElf_Sym g_sclass; char class_name[PC_CLNMSZ]; size_t tbl_size; if (mdb_lookup_by_name("sclass", &g_sclass) == -1) { mdb_warn("failed to find symbol sclass\n"); return (DCMD_ERR); } tbl_size = (size_t)g_sclass.st_size; num_classes = tbl_size / (sizeof (sclass_t)); class_tbl = mdb_alloc(tbl_size, UM_SLEEP | UM_GC); if (mdb_readsym(class_tbl, tbl_size, "sclass") == -1) { mdb_warn("failed to read sclass"); return (DCMD_ERR); } mdb_printf("%%4s %-10s %-24s %-24s%\n", "SLOT", "NAME", "INIT FCN", "CLASS FCN"); for (i = 0; i < num_classes; i++) { if (mdb_vread(class_name, sizeof (class_name), (uintptr_t)class_tbl[i].cl_name) == -1) (void) strcpy(class_name, "???"); mdb_printf("%4ld %-10s %-24a %-24a\n", i, class_name, class_tbl[i].cl_init, class_tbl[i].cl_funcs); } return (DCMD_OK); } #define FSNAMELEN 32 /* Max len of FS name we read from vnodeops */ int vnode2path(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) { uintptr_t rootdir; vnode_t vn; char buf[MAXPATHLEN]; uint_t opt_F = FALSE; if (mdb_getopts(argc, argv, 'F', MDB_OPT_SETBITS, TRUE, &opt_F, NULL) != argc) return (DCMD_USAGE); if (!(flags & DCMD_ADDRSPEC)) { mdb_warn("expected explicit vnode_t address before ::\n"); return (DCMD_USAGE); } if (mdb_readvar(&rootdir, "rootdir") == -1) { mdb_warn("failed to read rootdir"); return (DCMD_ERR); } if (mdb_vnode2path(addr, buf, sizeof (buf)) == -1) return (DCMD_ERR); if (*buf == '\0') { mdb_printf("??\n"); return (DCMD_OK); } mdb_printf("%s", buf); if (opt_F && buf[strlen(buf)-1] != '/' && mdb_vread(&vn, sizeof (vn), addr) == sizeof (vn)) mdb_printf("%c", mdb_vtype2chr(vn.v_type, 0)); mdb_printf("\n"); return (DCMD_OK); } int ld_walk_init(mdb_walk_state_t *wsp) { wsp->walk_data = (void *)wsp->walk_addr; return (WALK_NEXT); } int ld_walk_step(mdb_walk_state_t *wsp) { int status; lock_descriptor_t ld; if (mdb_vread(&ld, sizeof (lock_descriptor_t), wsp->walk_addr) == -1) { mdb_warn("couldn't read lock_descriptor_t at %p\n", wsp->walk_addr); return (WALK_ERR); } status = wsp->walk_callback(wsp->walk_addr, &ld, wsp->walk_cbdata); if (status == WALK_ERR) return (WALK_ERR); wsp->walk_addr = (uintptr_t)ld.l_next; if (wsp->walk_addr == (uintptr_t)wsp->walk_data) return (WALK_DONE); return (status); } int lg_walk_init(mdb_walk_state_t *wsp) { GElf_Sym sym; if (mdb_lookup_by_name("lock_graph", &sym) == -1) { mdb_warn("failed to find symbol 'lock_graph'\n"); return (WALK_ERR); } wsp->walk_addr = (uintptr_t)sym.st_value; wsp->walk_data = (void *)(uintptr_t)(sym.st_value + sym.st_size); return (WALK_NEXT); } typedef struct lg_walk_data { uintptr_t startaddr; mdb_walk_cb_t callback; void *data; } lg_walk_data_t; /* * We can't use ::walk lock_descriptor directly, because the head of each graph * is really a dummy lock. Rather than trying to dynamically determine if this * is a dummy node or not, we just filter out the initial element of the * list. */ static int lg_walk_cb(uintptr_t addr, const void *data, void *priv) { lg_walk_data_t *lw = priv; if (addr != lw->startaddr) return (lw->callback(addr, data, lw->data)); return (WALK_NEXT); } int lg_walk_step(mdb_walk_state_t *wsp) { graph_t *graph; lg_walk_data_t lw; if (wsp->walk_addr >= (uintptr_t)wsp->walk_data) return (WALK_DONE); if (mdb_vread(&graph, sizeof (graph), wsp->walk_addr) == -1) { mdb_warn("failed to read graph_t at %p", wsp->walk_addr); return (WALK_ERR); } wsp->walk_addr += sizeof (graph); if (graph == NULL) return (WALK_NEXT); lw.callback = wsp->walk_callback; lw.data = wsp->walk_cbdata; lw.startaddr = (uintptr_t)&(graph->active_locks); if (mdb_pwalk("lock_descriptor", lg_walk_cb, &lw, lw.startaddr)) { mdb_warn("couldn't walk lock_descriptor at %p\n", lw.startaddr); return (WALK_ERR); } lw.startaddr = (uintptr_t)&(graph->sleeping_locks); if (mdb_pwalk("lock_descriptor", lg_walk_cb, &lw, lw.startaddr)) { mdb_warn("couldn't walk lock_descriptor at %p\n", lw.startaddr); return (WALK_ERR); } return (WALK_NEXT); } /* * The space available for the path corresponding to the locked vnode depends * on whether we are printing 32- or 64-bit addresses. */ #ifdef _LP64 #define LM_VNPATHLEN 20 #else #define LM_VNPATHLEN 30 #endif typedef struct mdb_lminfo_proc { struct { char u_comm[MAXCOMLEN + 1]; } p_user; } mdb_lminfo_proc_t; /*ARGSUSED*/ static int lminfo_cb(uintptr_t addr, const void *data, void *priv) { const lock_descriptor_t *ld = data; char buf[LM_VNPATHLEN]; mdb_lminfo_proc_t p; uintptr_t paddr = 0; if (ld->l_flock.l_pid != 0) paddr = mdb_pid2proc(ld->l_flock.l_pid, NULL); if (paddr != 0) mdb_ctf_vread(&p, "proc_t", "mdb_lminfo_proc_t", paddr, 0); mdb_printf("%-?p %2s %04x %6d %-16s %-?p ", addr, ld->l_type == F_RDLCK ? "RD" : ld->l_type == F_WRLCK ? "WR" : "??", ld->l_state, ld->l_flock.l_pid, ld->l_flock.l_pid == 0 ? "" : paddr == 0 ? "" : p.p_user.u_comm, ld->l_vnode); mdb_vnode2path((uintptr_t)ld->l_vnode, buf, sizeof (buf)); mdb_printf("%s\n", buf); return (WALK_NEXT); } /*ARGSUSED*/ int lminfo(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) { if (DCMD_HDRSPEC(flags)) mdb_printf("%%-?s %2s %4s %6s %-16s %-?s %s%\n", "ADDR", "TP", "FLAG", "PID", "COMM", "VNODE", "PATH"); return (mdb_pwalk("lock_graph", lminfo_cb, NULL, 0)); } typedef struct mdb_whereopen { uint_t mwo_flags; uintptr_t mwo_target; boolean_t mwo_found; } mdb_whereopen_t; /*ARGSUSED*/ int whereopen_fwalk(uintptr_t addr, const void *farg, void *arg) { const struct file *f = farg; mdb_whereopen_t *mwo = arg; if ((uintptr_t)f->f_vnode == mwo->mwo_target) { if ((mwo->mwo_flags & DCMD_PIPE_OUT) == 0 && !mwo->mwo_found) { mdb_printf("file %p\n", addr); } mwo->mwo_found = B_TRUE; } return (WALK_NEXT); } /*ARGSUSED*/ int whereopen_pwalk(uintptr_t addr, const void *ignored, void *arg) { mdb_whereopen_t *mwo = arg; mwo->mwo_found = B_FALSE; if (mdb_pwalk("file", whereopen_fwalk, mwo, addr) == -1) { mdb_warn("couldn't file walk proc %p", addr); return (WALK_ERR); } if (mwo->mwo_found) { mdb_printf("%p\n", addr); } return (WALK_NEXT); } /*ARGSUSED*/ int whereopen(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) { mdb_whereopen_t mwo; if (!(flags & DCMD_ADDRSPEC) || addr == 0) return (DCMD_USAGE); mwo.mwo_flags = flags; mwo.mwo_target = addr; mwo.mwo_found = B_FALSE; if (mdb_walk("proc", whereopen_pwalk, &mwo) == -1) { mdb_warn("can't proc walk"); return (DCMD_ERR); } return (DCMD_OK); } typedef struct datafmt { char *hdr1; char *hdr2; char *dashes; char *fmt; } datafmt_t; static datafmt_t kmemfmt[] = { { "cache ", "name ", "-------------------------", "%-25s " }, { " buf", " size", "------", "%6u " }, { " buf", "in use", "------", "%6u " }, { " buf", " total", "------", "%6u " }, { " memory", " in use", "----------", "%10lu%c " }, { " alloc", " succeed", "---------", "%9u " }, { "alloc", " fail", "-----", "%5u " }, { NULL, NULL, NULL, NULL } }; static datafmt_t vmemfmt[] = { { "vmem ", "name ", "-------------------------", "%-*s " }, { " memory", " in use", "----------", "%9llu%c " }, { " memory", " total", "-----------", "%10llu%c " }, { " memory", " import", "----------", "%9llu%c " }, { " alloc", " succeed", "---------", "%9llu " }, { "alloc", " fail", "-----", "%5llu " }, { NULL, NULL, NULL, NULL } }; /*ARGSUSED*/ static int kmastat_cpu_avail(uintptr_t addr, const kmem_cpu_cache_t *ccp, int *avail) { short rounds, prounds; if (KMEM_DUMPCC(ccp)) { rounds = ccp->cc_dump_rounds; prounds = ccp->cc_dump_prounds; } else { rounds = ccp->cc_rounds; prounds = ccp->cc_prounds; } if (rounds > 0) *avail += rounds; if (prounds > 0) *avail += prounds; return (WALK_NEXT); } /*ARGSUSED*/ static int kmastat_cpu_alloc(uintptr_t addr, const kmem_cpu_cache_t *ccp, int *alloc) { *alloc += ccp->cc_alloc; return (WALK_NEXT); } /*ARGSUSED*/ static int kmastat_slab_avail(uintptr_t addr, const kmem_slab_t *sp, int *avail) { *avail += sp->slab_chunks - sp->slab_refcnt; return (WALK_NEXT); } typedef struct kmastat_vmem { uintptr_t kv_addr; struct kmastat_vmem *kv_next; size_t kv_meminuse; int kv_alloc; int kv_fail; } kmastat_vmem_t; typedef struct kmastat_args { kmastat_vmem_t **ka_kvpp; uint_t ka_shift; } kmastat_args_t; static int kmastat_cache(uintptr_t addr, const kmem_cache_t *cp, kmastat_args_t *kap) { kmastat_vmem_t **kvpp = kap->ka_kvpp; kmastat_vmem_t *kv; datafmt_t *dfp = kmemfmt; int magsize; int avail, alloc, total; size_t meminuse = (cp->cache_slab_create - cp->cache_slab_destroy) * cp->cache_slabsize; mdb_walk_cb_t cpu_avail = (mdb_walk_cb_t)kmastat_cpu_avail; mdb_walk_cb_t cpu_alloc = (mdb_walk_cb_t)kmastat_cpu_alloc; mdb_walk_cb_t slab_avail = (mdb_walk_cb_t)kmastat_slab_avail; magsize = kmem_get_magsize(cp); alloc = cp->cache_slab_alloc + cp->cache_full.ml_alloc; avail = cp->cache_full.ml_total * magsize; total = cp->cache_buftotal; (void) mdb_pwalk("kmem_cpu_cache", cpu_alloc, &alloc, addr); (void) mdb_pwalk("kmem_cpu_cache", cpu_avail, &avail, addr); (void) mdb_pwalk("kmem_slab_partial", slab_avail, &avail, addr); for (kv = *kvpp; kv != NULL; kv = kv->kv_next) { if (kv->kv_addr == (uintptr_t)cp->cache_arena) goto out; } kv = mdb_zalloc(sizeof (kmastat_vmem_t), UM_SLEEP | UM_GC); kv->kv_next = *kvpp; kv->kv_addr = (uintptr_t)cp->cache_arena; *kvpp = kv; out: kv->kv_meminuse += meminuse; kv->kv_alloc += alloc; kv->kv_fail += cp->cache_alloc_fail; mdb_printf((dfp++)->fmt, cp->cache_name); mdb_printf((dfp++)->fmt, cp->cache_bufsize); mdb_printf((dfp++)->fmt, total - avail); mdb_printf((dfp++)->fmt, total); mdb_printf((dfp++)->fmt, meminuse >> kap->ka_shift, kap->ka_shift == GIGS ? 'G' : kap->ka_shift == MEGS ? 'M' : kap->ka_shift == KILOS ? 'K' : 'B'); mdb_printf((dfp++)->fmt, alloc); mdb_printf((dfp++)->fmt, cp->cache_alloc_fail); mdb_printf("\n"); return (WALK_NEXT); } static int kmastat_vmem_totals(uintptr_t addr, const vmem_t *v, kmastat_args_t *kap) { kmastat_vmem_t *kv = *kap->ka_kvpp; size_t len; while (kv != NULL && kv->kv_addr != addr) kv = kv->kv_next; if (kv == NULL || kv->kv_alloc == 0) return (WALK_NEXT); len = MIN(17, strlen(v->vm_name)); mdb_printf("Total [%s]%*s %6s %6s %6s %10lu%c %9u %5u\n", v->vm_name, 17 - len, "", "", "", "", kv->kv_meminuse >> kap->ka_shift, kap->ka_shift == GIGS ? 'G' : kap->ka_shift == MEGS ? 'M' : kap->ka_shift == KILOS ? 'K' : 'B', kv->kv_alloc, kv->kv_fail); return (WALK_NEXT); } /*ARGSUSED*/ static int kmastat_vmem(uintptr_t addr, const vmem_t *v, const uint_t *shiftp) { datafmt_t *dfp = vmemfmt; const vmem_kstat_t *vkp = &v->vm_kstat; uintptr_t paddr; vmem_t parent; int ident = 0; for (paddr = (uintptr_t)v->vm_source; paddr != 0; ident += 4) { if (mdb_vread(&parent, sizeof (parent), paddr) == -1) { mdb_warn("couldn't trace %p's ancestry", addr); ident = 0; break; } paddr = (uintptr_t)parent.vm_source; } mdb_printf("%*s", ident, ""); mdb_printf((dfp++)->fmt, 25 - ident, v->vm_name); mdb_printf((dfp++)->fmt, vkp->vk_mem_inuse.value.ui64 >> *shiftp, *shiftp == GIGS ? 'G' : *shiftp == MEGS ? 'M' : *shiftp == KILOS ? 'K' : 'B'); mdb_printf((dfp++)->fmt, vkp->vk_mem_total.value.ui64 >> *shiftp, *shiftp == GIGS ? 'G' : *shiftp == MEGS ? 'M' : *shiftp == KILOS ? 'K' : 'B'); mdb_printf((dfp++)->fmt, vkp->vk_mem_import.value.ui64 >> *shiftp, *shiftp == GIGS ? 'G' : *shiftp == MEGS ? 'M' : *shiftp == KILOS ? 'K' : 'B'); mdb_printf((dfp++)->fmt, vkp->vk_alloc.value.ui64); mdb_printf((dfp++)->fmt, vkp->vk_fail.value.ui64); mdb_printf("\n"); return (WALK_NEXT); } /*ARGSUSED*/ int kmastat(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) { kmastat_vmem_t *kv = NULL; datafmt_t *dfp; kmastat_args_t ka; ka.ka_shift = 0; if (mdb_getopts(argc, argv, 'k', MDB_OPT_SETBITS, KILOS, &ka.ka_shift, 'm', MDB_OPT_SETBITS, MEGS, &ka.ka_shift, 'g', MDB_OPT_SETBITS, GIGS, &ka.ka_shift, NULL) != argc) return (DCMD_USAGE); for (dfp = kmemfmt; dfp->hdr1 != NULL; dfp++) mdb_printf("%s ", dfp->hdr1); mdb_printf("\n"); for (dfp = kmemfmt; dfp->hdr1 != NULL; dfp++) mdb_printf("%s ", dfp->hdr2); mdb_printf("\n"); for (dfp = kmemfmt; dfp->hdr1 != NULL; dfp++) mdb_printf("%s ", dfp->dashes); mdb_printf("\n"); ka.ka_kvpp = &kv; if (mdb_walk("kmem_cache", (mdb_walk_cb_t)kmastat_cache, &ka) == -1) { mdb_warn("can't walk 'kmem_cache'"); return (DCMD_ERR); } for (dfp = kmemfmt; dfp->hdr1 != NULL; dfp++) mdb_printf("%s ", dfp->dashes); mdb_printf("\n"); if (mdb_walk("vmem", (mdb_walk_cb_t)kmastat_vmem_totals, &ka) == -1) { mdb_warn("can't walk 'vmem'"); return (DCMD_ERR); } for (dfp = kmemfmt; dfp->hdr1 != NULL; dfp++) mdb_printf("%s ", dfp->dashes); mdb_printf("\n"); mdb_printf("\n"); for (dfp = vmemfmt; dfp->hdr1 != NULL; dfp++) mdb_printf("%s ", dfp->hdr1); mdb_printf("\n"); for (dfp = vmemfmt; dfp->hdr1 != NULL; dfp++) mdb_printf("%s ", dfp->hdr2); mdb_printf("\n"); for (dfp = vmemfmt; dfp->hdr1 != NULL; dfp++) mdb_printf("%s ", dfp->dashes); mdb_printf("\n"); if (mdb_walk("vmem", (mdb_walk_cb_t)kmastat_vmem, &ka.ka_shift) == -1) { mdb_warn("can't walk 'vmem'"); return (DCMD_ERR); } for (dfp = vmemfmt; dfp->hdr1 != NULL; dfp++) mdb_printf("%s ", dfp->dashes); mdb_printf("\n"); return (DCMD_OK); } /* * Our ::kgrep callback scans the entire kernel VA space (kas). kas is made * up of a set of 'struct seg's. We could just scan each seg en masse, but * unfortunately, a few of the segs are both large and sparse, so we could * spend quite a bit of time scanning VAs which have no backing pages. * * So for the few very sparse segs, we skip the segment itself, and scan * the allocated vmem_segs in the vmem arena which manages that part of kas. * Currently, we do this for: * * SEG VMEM ARENA * kvseg heap_arena * kvseg32 heap32_arena * kvseg_core heap_core_arena * * In addition, we skip the segkpm segment in its entirety, since it is very * sparse, and contains no new kernel data. */ typedef struct kgrep_walk_data { kgrep_cb_func *kg_cb; void *kg_cbdata; uintptr_t kg_kvseg; uintptr_t kg_kvseg32; uintptr_t kg_kvseg_core; uintptr_t kg_segkpm; uintptr_t kg_heap_lp_base; uintptr_t kg_heap_lp_end; } kgrep_walk_data_t; static int kgrep_walk_seg(uintptr_t addr, const struct seg *seg, kgrep_walk_data_t *kg) { uintptr_t base = (uintptr_t)seg->s_base; if (addr == kg->kg_kvseg || addr == kg->kg_kvseg32 || addr == kg->kg_kvseg_core) return (WALK_NEXT); if ((uintptr_t)seg->s_ops == kg->kg_segkpm) return (WALK_NEXT); return (kg->kg_cb(base, base + seg->s_size, kg->kg_cbdata)); } /*ARGSUSED*/ static int kgrep_walk_vseg(uintptr_t addr, const vmem_seg_t *seg, kgrep_walk_data_t *kg) { /* * skip large page heap address range - it is scanned by walking * allocated vmem_segs in the heap_lp_arena */ if (seg->vs_start == kg->kg_heap_lp_base && seg->vs_end == kg->kg_heap_lp_end) return (WALK_NEXT); return (kg->kg_cb(seg->vs_start, seg->vs_end, kg->kg_cbdata)); } /*ARGSUSED*/ static int kgrep_xwalk_vseg(uintptr_t addr, const vmem_seg_t *seg, kgrep_walk_data_t *kg) { return (kg->kg_cb(seg->vs_start, seg->vs_end, kg->kg_cbdata)); } static int kgrep_walk_vmem(uintptr_t addr, const vmem_t *vmem, kgrep_walk_data_t *kg) { mdb_walk_cb_t walk_vseg = (mdb_walk_cb_t)kgrep_walk_vseg; if (strcmp(vmem->vm_name, "heap") != 0 && strcmp(vmem->vm_name, "heap32") != 0 && strcmp(vmem->vm_name, "heap_core") != 0 && strcmp(vmem->vm_name, "heap_lp") != 0) return (WALK_NEXT); if (strcmp(vmem->vm_name, "heap_lp") == 0) walk_vseg = (mdb_walk_cb_t)kgrep_xwalk_vseg; if (mdb_pwalk("vmem_alloc", walk_vseg, kg, addr) == -1) { mdb_warn("couldn't walk vmem_alloc for vmem %p", addr); return (WALK_ERR); } return (WALK_NEXT); } int kgrep_subr(kgrep_cb_func *cb, void *cbdata) { GElf_Sym kas, kvseg, kvseg32, kvseg_core, segkpm; kgrep_walk_data_t kg; if (mdb_get_state() == MDB_STATE_RUNNING) { mdb_warn("kgrep can only be run on a system " "dump or under kmdb; see dumpadm(1M)\n"); return (DCMD_ERR); } if (mdb_lookup_by_name("kas", &kas) == -1) { mdb_warn("failed to locate 'kas' symbol\n"); return (DCMD_ERR); } if (mdb_lookup_by_name("kvseg", &kvseg) == -1) { mdb_warn("failed to locate 'kvseg' symbol\n"); return (DCMD_ERR); } if (mdb_lookup_by_name("kvseg32", &kvseg32) == -1) { mdb_warn("failed to locate 'kvseg32' symbol\n"); return (DCMD_ERR); } if (mdb_lookup_by_name("kvseg_core", &kvseg_core) == -1) { mdb_warn("failed to locate 'kvseg_core' symbol\n"); return (DCMD_ERR); } if (mdb_lookup_by_name("segkpm_ops", &segkpm) == -1) { mdb_warn("failed to locate 'segkpm_ops' symbol\n"); return (DCMD_ERR); } if (mdb_readvar(&kg.kg_heap_lp_base, "heap_lp_base") == -1) { mdb_warn("failed to read 'heap_lp_base'\n"); return (DCMD_ERR); } if (mdb_readvar(&kg.kg_heap_lp_end, "heap_lp_end") == -1) { mdb_warn("failed to read 'heap_lp_end'\n"); return (DCMD_ERR); } kg.kg_cb = cb; kg.kg_cbdata = cbdata; kg.kg_kvseg = (uintptr_t)kvseg.st_value; kg.kg_kvseg32 = (uintptr_t)kvseg32.st_value; kg.kg_kvseg_core = (uintptr_t)kvseg_core.st_value; kg.kg_segkpm = (uintptr_t)segkpm.st_value; if (mdb_pwalk("seg", (mdb_walk_cb_t)kgrep_walk_seg, &kg, kas.st_value) == -1) { mdb_warn("failed to walk kas segments"); return (DCMD_ERR); } if (mdb_walk("vmem", (mdb_walk_cb_t)kgrep_walk_vmem, &kg) == -1) { mdb_warn("failed to walk heap/heap32 vmem arenas"); return (DCMD_ERR); } return (DCMD_OK); } size_t kgrep_subr_pagesize(void) { return (PAGESIZE); } typedef struct file_walk_data { struct uf_entry *fw_flist; int fw_flistsz; int fw_ndx; int fw_nofiles; } file_walk_data_t; typedef struct mdb_file_proc { struct { struct { int fi_nfiles; uf_entry_t *volatile fi_list; } u_finfo; } p_user; } mdb_file_proc_t; int file_walk_init(mdb_walk_state_t *wsp) { file_walk_data_t *fw; mdb_file_proc_t p; if (wsp->walk_addr == 0) { mdb_warn("file walk doesn't support global walks\n"); return (WALK_ERR); } fw = mdb_alloc(sizeof (file_walk_data_t), UM_SLEEP); if (mdb_ctf_vread(&p, "proc_t", "mdb_file_proc_t", wsp->walk_addr, 0) == -1) { mdb_free(fw, sizeof (file_walk_data_t)); mdb_warn("failed to read proc structure at %p", wsp->walk_addr); return (WALK_ERR); } if (p.p_user.u_finfo.fi_nfiles == 0) { mdb_free(fw, sizeof (file_walk_data_t)); return (WALK_DONE); } fw->fw_nofiles = p.p_user.u_finfo.fi_nfiles; fw->fw_flistsz = sizeof (struct uf_entry) * fw->fw_nofiles; fw->fw_flist = mdb_alloc(fw->fw_flistsz, UM_SLEEP); if (mdb_vread(fw->fw_flist, fw->fw_flistsz, (uintptr_t)p.p_user.u_finfo.fi_list) == -1) { mdb_warn("failed to read file array at %p", p.p_user.u_finfo.fi_list); mdb_free(fw->fw_flist, fw->fw_flistsz); mdb_free(fw, sizeof (file_walk_data_t)); return (WALK_ERR); } fw->fw_ndx = 0; wsp->walk_data = fw; return (WALK_NEXT); } int file_walk_step(mdb_walk_state_t *wsp) { file_walk_data_t *fw = (file_walk_data_t *)wsp->walk_data; struct file file; uintptr_t fp; again: if (fw->fw_ndx == fw->fw_nofiles) return (WALK_DONE); if ((fp = (uintptr_t)fw->fw_flist[fw->fw_ndx++].uf_file) == 0) goto again; (void) mdb_vread(&file, sizeof (file), (uintptr_t)fp); return (wsp->walk_callback(fp, &file, wsp->walk_cbdata)); } int allfile_walk_step(mdb_walk_state_t *wsp) { file_walk_data_t *fw = (file_walk_data_t *)wsp->walk_data; struct file file; uintptr_t fp; if (fw->fw_ndx == fw->fw_nofiles) return (WALK_DONE); if ((fp = (uintptr_t)fw->fw_flist[fw->fw_ndx++].uf_file) != 0) (void) mdb_vread(&file, sizeof (file), (uintptr_t)fp); else bzero(&file, sizeof (file)); return (wsp->walk_callback(fp, &file, wsp->walk_cbdata)); } void file_walk_fini(mdb_walk_state_t *wsp) { file_walk_data_t *fw = (file_walk_data_t *)wsp->walk_data; mdb_free(fw->fw_flist, fw->fw_flistsz); mdb_free(fw, sizeof (file_walk_data_t)); } int port_walk_init(mdb_walk_state_t *wsp) { if (wsp->walk_addr == 0) { mdb_warn("port walk doesn't support global walks\n"); return (WALK_ERR); } if (mdb_layered_walk("file", wsp) == -1) { mdb_warn("couldn't walk 'file'"); return (WALK_ERR); } return (WALK_NEXT); } int port_walk_step(mdb_walk_state_t *wsp) { struct vnode vn; uintptr_t vp; uintptr_t pp; struct port port; vp = (uintptr_t)((struct file *)wsp->walk_layer)->f_vnode; if (mdb_vread(&vn, sizeof (vn), vp) == -1) { mdb_warn("failed to read vnode_t at %p", vp); return (WALK_ERR); } if (vn.v_type != VPORT) return (WALK_NEXT); pp = (uintptr_t)vn.v_data; if (mdb_vread(&port, sizeof (port), pp) == -1) { mdb_warn("failed to read port_t at %p", pp); return (WALK_ERR); } return (wsp->walk_callback(pp, &port, wsp->walk_cbdata)); } typedef struct portev_walk_data { list_node_t *pev_node; list_node_t *pev_last; size_t pev_offset; } portev_walk_data_t; int portev_walk_init(mdb_walk_state_t *wsp) { portev_walk_data_t *pevd; struct port port; struct vnode vn; struct list *list; uintptr_t vp; if (wsp->walk_addr == 0) { mdb_warn("portev walk doesn't support global walks\n"); return (WALK_ERR); } pevd = mdb_alloc(sizeof (portev_walk_data_t), UM_SLEEP); if (mdb_vread(&port, sizeof (port), wsp->walk_addr) == -1) { mdb_free(pevd, sizeof (portev_walk_data_t)); mdb_warn("failed to read port structure at %p", wsp->walk_addr); return (WALK_ERR); } vp = (uintptr_t)port.port_vnode; if (mdb_vread(&vn, sizeof (vn), vp) == -1) { mdb_free(pevd, sizeof (portev_walk_data_t)); mdb_warn("failed to read vnode_t at %p", vp); return (WALK_ERR); } if (vn.v_type != VPORT) { mdb_free(pevd, sizeof (portev_walk_data_t)); mdb_warn("input address (%p) does not point to an event port", wsp->walk_addr); return (WALK_ERR); } if (port.port_queue.portq_nent == 0) { mdb_free(pevd, sizeof (portev_walk_data_t)); return (WALK_DONE); } list = &port.port_queue.portq_list; pevd->pev_offset = list->list_offset; pevd->pev_last = list->list_head.list_prev; pevd->pev_node = list->list_head.list_next; wsp->walk_data = pevd; return (WALK_NEXT); } int portev_walk_step(mdb_walk_state_t *wsp) { portev_walk_data_t *pevd; struct port_kevent ev; uintptr_t evp; pevd = (portev_walk_data_t *)wsp->walk_data; if (pevd->pev_last == NULL) return (WALK_DONE); if (pevd->pev_node == pevd->pev_last) pevd->pev_last = NULL; /* last round */ evp = ((uintptr_t)(((char *)pevd->pev_node) - pevd->pev_offset)); if (mdb_vread(&ev, sizeof (ev), evp) == -1) { mdb_warn("failed to read port_kevent at %p", evp); return (WALK_DONE); } pevd->pev_node = ev.portkev_node.list_next; return (wsp->walk_callback(evp, &ev, wsp->walk_cbdata)); } void portev_walk_fini(mdb_walk_state_t *wsp) { portev_walk_data_t *pevd = (portev_walk_data_t *)wsp->walk_data; if (pevd != NULL) mdb_free(pevd, sizeof (portev_walk_data_t)); } typedef struct proc_walk_data { uintptr_t *pw_stack; int pw_depth; int pw_max; } proc_walk_data_t; int proc_walk_init(mdb_walk_state_t *wsp) { GElf_Sym sym; proc_walk_data_t *pw; if (wsp->walk_addr == 0) { if (mdb_lookup_by_name("p0", &sym) == -1) { mdb_warn("failed to read 'practive'"); return (WALK_ERR); } wsp->walk_addr = (uintptr_t)sym.st_value; } pw = mdb_zalloc(sizeof (proc_walk_data_t), UM_SLEEP); if (mdb_readvar(&pw->pw_max, "nproc") == -1) { mdb_warn("failed to read 'nproc'"); mdb_free(pw, sizeof (pw)); return (WALK_ERR); } pw->pw_stack = mdb_alloc(pw->pw_max * sizeof (uintptr_t), UM_SLEEP); wsp->walk_data = pw; return (WALK_NEXT); } typedef struct mdb_walk_proc { struct proc *p_child; struct proc *p_sibling; } mdb_walk_proc_t; int proc_walk_step(mdb_walk_state_t *wsp) { proc_walk_data_t *pw = wsp->walk_data; uintptr_t addr = wsp->walk_addr; uintptr_t cld, sib; int status; mdb_walk_proc_t pr; if (mdb_ctf_vread(&pr, "proc_t", "mdb_walk_proc_t", addr, 0) == -1) { mdb_warn("failed to read proc at %p", addr); return (WALK_DONE); } cld = (uintptr_t)pr.p_child; sib = (uintptr_t)pr.p_sibling; if (pw->pw_depth > 0 && addr == pw->pw_stack[pw->pw_depth - 1]) { pw->pw_depth--; goto sib; } /* * Always pass NULL as the local copy pointer. Consumers * should use mdb_ctf_vread() to read their own minimal * version of proc_t. Thus minimizing the chance of breakage * with older crash dumps. */ status = wsp->walk_callback(addr, NULL, wsp->walk_cbdata); if (status != WALK_NEXT) return (status); if ((wsp->walk_addr = cld) != 0) { if (mdb_ctf_vread(&pr, "proc_t", "mdb_walk_proc_t", cld, 0) == -1) { mdb_warn("proc %p has invalid p_child %p; skipping\n", addr, cld); goto sib; } pw->pw_stack[pw->pw_depth++] = addr; if (pw->pw_depth == pw->pw_max) { mdb_warn("depth %d exceeds max depth; try again\n", pw->pw_depth); return (WALK_DONE); } return (WALK_NEXT); } sib: /* * We know that p0 has no siblings, and if another starting proc * was given, we don't want to walk its siblings anyway. */ if (pw->pw_depth == 0) return (WALK_DONE); if (sib != 0 && mdb_ctf_vread(&pr, "proc_t", "mdb_walk_proc_t", sib, 0) == -1) { mdb_warn("proc %p has invalid p_sibling %p; skipping\n", addr, sib); sib = 0; } if ((wsp->walk_addr = sib) == 0) { if (pw->pw_depth > 0) { wsp->walk_addr = pw->pw_stack[pw->pw_depth - 1]; return (WALK_NEXT); } return (WALK_DONE); } return (WALK_NEXT); } void proc_walk_fini(mdb_walk_state_t *wsp) { proc_walk_data_t *pw = wsp->walk_data; mdb_free(pw->pw_stack, pw->pw_max * sizeof (uintptr_t)); mdb_free(pw, sizeof (proc_walk_data_t)); } int task_walk_init(mdb_walk_state_t *wsp) { task_t task; if (mdb_vread(&task, sizeof (task_t), wsp->walk_addr) == -1) { mdb_warn("failed to read task at %p", wsp->walk_addr); return (WALK_ERR); } wsp->walk_addr = (uintptr_t)task.tk_memb_list; wsp->walk_data = task.tk_memb_list; return (WALK_NEXT); } typedef struct mdb_task_proc { struct proc *p_tasknext; } mdb_task_proc_t; int task_walk_step(mdb_walk_state_t *wsp) { mdb_task_proc_t proc; int status; if (mdb_ctf_vread(&proc, "proc_t", "mdb_task_proc_t", wsp->walk_addr, 0) == -1) { mdb_warn("failed to read proc at %p", wsp->walk_addr); return (WALK_DONE); } status = wsp->walk_callback(wsp->walk_addr, NULL, wsp->walk_cbdata); if (proc.p_tasknext == wsp->walk_data) return (WALK_DONE); wsp->walk_addr = (uintptr_t)proc.p_tasknext; return (status); } int project_walk_init(mdb_walk_state_t *wsp) { if (wsp->walk_addr == 0) { if (mdb_readvar(&wsp->walk_addr, "proj0p") == -1) { mdb_warn("failed to read 'proj0p'"); return (WALK_ERR); } } wsp->walk_data = (void *)wsp->walk_addr; return (WALK_NEXT); } int project_walk_step(mdb_walk_state_t *wsp) { uintptr_t addr = wsp->walk_addr; kproject_t pj; int status; if (mdb_vread(&pj, sizeof (kproject_t), addr) == -1) { mdb_warn("failed to read project at %p", addr); return (WALK_DONE); } status = wsp->walk_callback(addr, &pj, wsp->walk_cbdata); if (status != WALK_NEXT) return (status); wsp->walk_addr = (uintptr_t)pj.kpj_next; if ((void *)wsp->walk_addr == wsp->walk_data) return (WALK_DONE); return (WALK_NEXT); } static int generic_walk_step(mdb_walk_state_t *wsp) { return (wsp->walk_callback(wsp->walk_addr, wsp->walk_layer, wsp->walk_cbdata)); } static int cpu_walk_cmp(const void *l, const void *r) { uintptr_t lhs = *((uintptr_t *)l); uintptr_t rhs = *((uintptr_t *)r); cpu_t lcpu, rcpu; (void) mdb_vread(&lcpu, sizeof (lcpu), lhs); (void) mdb_vread(&rcpu, sizeof (rcpu), rhs); if (lcpu.cpu_id < rcpu.cpu_id) return (-1); if (lcpu.cpu_id > rcpu.cpu_id) return (1); return (0); } typedef struct cpu_walk { uintptr_t *cw_array; int cw_ndx; } cpu_walk_t; int cpu_walk_init(mdb_walk_state_t *wsp) { cpu_walk_t *cw; int max_ncpus, i = 0; uintptr_t current, first; cpu_t cpu, panic_cpu; uintptr_t panicstr, addr = 0; GElf_Sym sym; cw = mdb_zalloc(sizeof (cpu_walk_t), UM_SLEEP | UM_GC); if (mdb_readvar(&max_ncpus, "max_ncpus") == -1) { mdb_warn("failed to read 'max_ncpus'"); return (WALK_ERR); } if (mdb_readvar(&panicstr, "panicstr") == -1) { mdb_warn("failed to read 'panicstr'"); return (WALK_ERR); } if (panicstr != 0) { if (mdb_lookup_by_name("panic_cpu", &sym) == -1) { mdb_warn("failed to find 'panic_cpu'"); return (WALK_ERR); } addr = (uintptr_t)sym.st_value; if (mdb_vread(&panic_cpu, sizeof (cpu_t), addr) == -1) { mdb_warn("failed to read 'panic_cpu'"); return (WALK_ERR); } } /* * Unfortunately, there is no platform-independent way to walk * CPUs in ID order. We therefore loop through in cpu_next order, * building an array of CPU pointers which will subsequently be * sorted. */ cw->cw_array = mdb_zalloc((max_ncpus + 1) * sizeof (uintptr_t), UM_SLEEP | UM_GC); if (mdb_readvar(&first, "cpu_list") == -1) { mdb_warn("failed to read 'cpu_list'"); return (WALK_ERR); } current = first; do { if (mdb_vread(&cpu, sizeof (cpu), current) == -1) { mdb_warn("failed to read cpu at %p", current); return (WALK_ERR); } if (panicstr != 0 && panic_cpu.cpu_id == cpu.cpu_id) { cw->cw_array[i++] = addr; } else { cw->cw_array[i++] = current; } } while ((current = (uintptr_t)cpu.cpu_next) != first); qsort(cw->cw_array, i, sizeof (uintptr_t), cpu_walk_cmp); wsp->walk_data = cw; return (WALK_NEXT); } int cpu_walk_step(mdb_walk_state_t *wsp) { cpu_walk_t *cw = wsp->walk_data; cpu_t cpu; uintptr_t addr = cw->cw_array[cw->cw_ndx++]; if (addr == 0) return (WALK_DONE); if (mdb_vread(&cpu, sizeof (cpu), addr) == -1) { mdb_warn("failed to read cpu at %p", addr); return (WALK_DONE); } return (wsp->walk_callback(addr, &cpu, wsp->walk_cbdata)); } typedef struct cpuinfo_data { intptr_t cid_cpu; uintptr_t **cid_ithr; char cid_print_head; char cid_print_thr; char cid_print_ithr; char cid_print_flags; } cpuinfo_data_t; int cpuinfo_walk_ithread(uintptr_t addr, const kthread_t *thr, cpuinfo_data_t *cid) { cpu_t c; int id; uint8_t pil; if (!(thr->t_flag & T_INTR_THREAD) || thr->t_state == TS_FREE) return (WALK_NEXT); if (thr->t_bound_cpu == NULL) { mdb_warn("thr %p is intr thread w/out a CPU\n", addr); return (WALK_NEXT); } (void) mdb_vread(&c, sizeof (c), (uintptr_t)thr->t_bound_cpu); if ((id = c.cpu_id) >= NCPU) { mdb_warn("CPU %p has id (%d) greater than NCPU (%d)\n", thr->t_bound_cpu, id, NCPU); return (WALK_NEXT); } if ((pil = thr->t_pil) >= NINTR) { mdb_warn("thread %p has pil (%d) greater than %d\n", addr, pil, NINTR); return (WALK_NEXT); } if (cid->cid_ithr[id][pil] != 0) { mdb_warn("CPU %d has multiple threads at pil %d (at least " "%p and %p)\n", id, pil, addr, cid->cid_ithr[id][pil]); return (WALK_NEXT); } cid->cid_ithr[id][pil] = addr; return (WALK_NEXT); } #define CPUINFO_IDWIDTH 3 #define CPUINFO_FLAGWIDTH 9 #ifdef _LP64 #if defined(__amd64) #define CPUINFO_TWIDTH 16 #define CPUINFO_CPUWIDTH 16 #else #define CPUINFO_CPUWIDTH 11 #define CPUINFO_TWIDTH 11 #endif #else #define CPUINFO_CPUWIDTH 8 #define CPUINFO_TWIDTH 8 #endif #define CPUINFO_THRDELT (CPUINFO_IDWIDTH + CPUINFO_CPUWIDTH + 9) #define CPUINFO_FLAGDELT (CPUINFO_IDWIDTH + CPUINFO_CPUWIDTH + 4) #define CPUINFO_ITHRDELT 4 #define CPUINFO_INDENT mdb_printf("%*s", CPUINFO_THRDELT, \ flagline < nflaglines ? flagbuf[flagline++] : "") typedef struct mdb_cpuinfo_proc { struct { char u_comm[MAXCOMLEN + 1]; } p_user; } mdb_cpuinfo_proc_t; int cpuinfo_walk_cpu(uintptr_t addr, const cpu_t *cpu, cpuinfo_data_t *cid) { kthread_t t; disp_t disp; mdb_cpuinfo_proc_t p; uintptr_t pinned = 0; char **flagbuf; int nflaglines = 0, flagline = 0, bspl, rval = WALK_NEXT; const char *flags[] = { "RUNNING", "READY", "QUIESCED", "EXISTS", "ENABLE", "OFFLINE", "POWEROFF", "FROZEN", "SPARE", "FAULTED", "DISABLED", NULL }; if (cid->cid_cpu != -1) { if (addr != cid->cid_cpu && cpu->cpu_id != cid->cid_cpu) return (WALK_NEXT); /* * Set cid_cpu to -1 to indicate that we found a matching CPU. */ cid->cid_cpu = -1; rval = WALK_DONE; } if (cid->cid_print_head) { mdb_printf("%3s %-*s %3s %4s %4s %3s %4s %5s %-6s %-*s %s\n", "ID", CPUINFO_CPUWIDTH, "ADDR", "FLG", "NRUN", "BSPL", "PRI", "RNRN", "KRNRN", "SWITCH", CPUINFO_TWIDTH, "THREAD", "PROC"); cid->cid_print_head = FALSE; } bspl = cpu->cpu_base_spl; if (mdb_vread(&disp, sizeof (disp_t), (uintptr_t)cpu->cpu_disp) == -1) { mdb_warn("failed to read disp_t at %p", cpu->cpu_disp); return (WALK_ERR); } mdb_printf("%3d %0*p %3x %4d %4d ", cpu->cpu_id, CPUINFO_CPUWIDTH, addr, cpu->cpu_flags, disp.disp_nrunnable, bspl); if (mdb_vread(&t, sizeof (t), (uintptr_t)cpu->cpu_thread) != -1) { mdb_printf("%3d ", t.t_pri); } else { mdb_printf("%3s ", "-"); } mdb_printf("%4s %5s ", cpu->cpu_runrun ? "yes" : "no", cpu->cpu_kprunrun ? "yes" : "no"); if (cpu->cpu_last_swtch) { mdb_printf("t-%-4d ", (clock_t)mdb_get_lbolt() - cpu->cpu_last_swtch); } else { mdb_printf("%-6s ", "-"); } mdb_printf("%0*p", CPUINFO_TWIDTH, cpu->cpu_thread); if (cpu->cpu_thread == cpu->cpu_idle_thread) mdb_printf(" (idle)\n"); else if (cpu->cpu_thread == NULL) mdb_printf(" -\n"); else { if (mdb_ctf_vread(&p, "proc_t", "mdb_cpuinfo_proc_t", (uintptr_t)t.t_procp, 0) != -1) { mdb_printf(" %s\n", p.p_user.u_comm); } else { mdb_printf(" ?\n"); } } flagbuf = mdb_zalloc(sizeof (flags), UM_SLEEP | UM_GC); if (cid->cid_print_flags) { int first = 1, i, j, k; char *s; cid->cid_print_head = TRUE; for (i = 1, j = 0; flags[j] != NULL; i <<= 1, j++) { if (!(cpu->cpu_flags & i)) continue; if (first) { s = mdb_alloc(CPUINFO_THRDELT + 1, UM_GC | UM_SLEEP); (void) mdb_snprintf(s, CPUINFO_THRDELT + 1, "%*s|%*s", CPUINFO_FLAGDELT, "", CPUINFO_THRDELT - 1 - CPUINFO_FLAGDELT, ""); flagbuf[nflaglines++] = s; } s = mdb_alloc(CPUINFO_THRDELT + 1, UM_GC | UM_SLEEP); (void) mdb_snprintf(s, CPUINFO_THRDELT + 1, "%*s%*s %s", CPUINFO_IDWIDTH + CPUINFO_CPUWIDTH - CPUINFO_FLAGWIDTH, "", CPUINFO_FLAGWIDTH, flags[j], first ? "<--+" : ""); for (k = strlen(s); k < CPUINFO_THRDELT; k++) s[k] = ' '; s[k] = '\0'; flagbuf[nflaglines++] = s; first = 0; } } if (cid->cid_print_ithr) { int i, found_one = FALSE; int print_thr = disp.disp_nrunnable && cid->cid_print_thr; for (i = NINTR - 1; i >= 0; i--) { uintptr_t iaddr = cid->cid_ithr[cpu->cpu_id][i]; if (iaddr == 0) continue; if (!found_one) { found_one = TRUE; CPUINFO_INDENT; mdb_printf("%c%*s|\n", print_thr ? '|' : ' ', CPUINFO_ITHRDELT, ""); CPUINFO_INDENT; mdb_printf("%c%*s+--> %3s %s\n", print_thr ? '|' : ' ', CPUINFO_ITHRDELT, "", "PIL", "THREAD"); } if (mdb_vread(&t, sizeof (t), iaddr) == -1) { mdb_warn("failed to read kthread_t at %p", iaddr); return (WALK_ERR); } CPUINFO_INDENT; mdb_printf("%c%*s %3d %0*p\n", print_thr ? '|' : ' ', CPUINFO_ITHRDELT, "", t.t_pil, CPUINFO_TWIDTH, iaddr); pinned = (uintptr_t)t.t_intr; } if (found_one && pinned != 0) { cid->cid_print_head = TRUE; (void) strcpy(p.p_user.u_comm, "?"); if (mdb_vread(&t, sizeof (t), (uintptr_t)pinned) == -1) { mdb_warn("failed to read kthread_t at %p", pinned); return (WALK_ERR); } if (mdb_ctf_vread(&p, "proc_t", "mdb_cpuinfo_proc_t", (uintptr_t)t.t_procp, 0) == -1) { mdb_warn("failed to read proc_t at %p", t.t_procp); return (WALK_ERR); } CPUINFO_INDENT; mdb_printf("%c%*s %3s %0*p %s\n", print_thr ? '|' : ' ', CPUINFO_ITHRDELT, "", "-", CPUINFO_TWIDTH, pinned, pinned == (uintptr_t)cpu->cpu_idle_thread ? "(idle)" : p.p_user.u_comm); } } if (disp.disp_nrunnable && cid->cid_print_thr) { dispq_t *dq; int i, npri = disp.disp_npri; dq = mdb_alloc(sizeof (dispq_t) * npri, UM_SLEEP | UM_GC); if (mdb_vread(dq, sizeof (dispq_t) * npri, (uintptr_t)disp.disp_q) == -1) { mdb_warn("failed to read dispq_t at %p", disp.disp_q); return (WALK_ERR); } CPUINFO_INDENT; mdb_printf("|\n"); CPUINFO_INDENT; mdb_printf("+--> %3s %-*s %s\n", "PRI", CPUINFO_TWIDTH, "THREAD", "PROC"); for (i = npri - 1; i >= 0; i--) { uintptr_t taddr = (uintptr_t)dq[i].dq_first; while (taddr != 0) { if (mdb_vread(&t, sizeof (t), taddr) == -1) { mdb_warn("failed to read kthread_t " "at %p", taddr); return (WALK_ERR); } if (mdb_ctf_vread(&p, "proc_t", "mdb_cpuinfo_proc_t", (uintptr_t)t.t_procp, 0) == -1) { mdb_warn("failed to read proc_t at %p", t.t_procp); return (WALK_ERR); } CPUINFO_INDENT; mdb_printf(" %3d %0*p %s\n", t.t_pri, CPUINFO_TWIDTH, taddr, p.p_user.u_comm); taddr = (uintptr_t)t.t_link; } } cid->cid_print_head = TRUE; } while (flagline < nflaglines) mdb_printf("%s\n", flagbuf[flagline++]); if (cid->cid_print_head) mdb_printf("\n"); return (rval); } int cpuinfo(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) { uint_t verbose = FALSE; cpuinfo_data_t cid; cid.cid_print_ithr = FALSE; cid.cid_print_thr = FALSE; cid.cid_print_flags = FALSE; cid.cid_print_head = DCMD_HDRSPEC(flags) ? TRUE : FALSE; cid.cid_cpu = -1; if (flags & DCMD_ADDRSPEC) cid.cid_cpu = addr; if (mdb_getopts(argc, argv, 'v', MDB_OPT_SETBITS, TRUE, &verbose, NULL) != argc) return (DCMD_USAGE); if (verbose) { cid.cid_print_ithr = TRUE; cid.cid_print_thr = TRUE; cid.cid_print_flags = TRUE; cid.cid_print_head = TRUE; } if (cid.cid_print_ithr) { int i; cid.cid_ithr = mdb_alloc(sizeof (uintptr_t **) * NCPU, UM_SLEEP | UM_GC); for (i = 0; i < NCPU; i++) cid.cid_ithr[i] = mdb_zalloc(sizeof (uintptr_t *) * NINTR, UM_SLEEP | UM_GC); if (mdb_walk("thread", (mdb_walk_cb_t)cpuinfo_walk_ithread, &cid) == -1) { mdb_warn("couldn't walk thread"); return (DCMD_ERR); } } if (mdb_walk("cpu", (mdb_walk_cb_t)cpuinfo_walk_cpu, &cid) == -1) { mdb_warn("can't walk cpus"); return (DCMD_ERR); } if (cid.cid_cpu != -1) { /* * We didn't find this CPU when we walked through the CPUs * (i.e. the address specified doesn't show up in the "cpu" * walk). However, the specified address may still correspond * to a valid cpu_t (for example, if the specified address is * the actual panicking cpu_t and not the cached panic_cpu). * Point is: even if we didn't find it, we still want to try * to print the specified address as a cpu_t. */ cpu_t cpu; if (mdb_vread(&cpu, sizeof (cpu), cid.cid_cpu) == -1) { mdb_warn("%p is neither a valid CPU ID nor a " "valid cpu_t address\n", cid.cid_cpu); return (DCMD_ERR); } (void) cpuinfo_walk_cpu(cid.cid_cpu, &cpu, &cid); } return (DCMD_OK); } /*ARGSUSED*/ int flipone(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) { int i; if (!(flags & DCMD_ADDRSPEC)) return (DCMD_USAGE); for (i = 0; i < sizeof (addr) * NBBY; i++) mdb_printf("%p\n", addr ^ (1UL << i)); return (DCMD_OK); } typedef struct mdb_as2proc_proc { struct as *p_as; } mdb_as2proc_proc_t; /*ARGSUSED*/ int as2proc_walk(uintptr_t addr, const void *ignored, struct as **asp) { mdb_as2proc_proc_t p; mdb_ctf_vread(&p, "proc_t", "mdb_as2proc_proc_t", addr, 0); if (p.p_as == *asp) mdb_printf("%p\n", addr); return (WALK_NEXT); } /*ARGSUSED*/ int as2proc(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) { if (!(flags & DCMD_ADDRSPEC) || argc != 0) return (DCMD_USAGE); if (mdb_walk("proc", (mdb_walk_cb_t)as2proc_walk, &addr) == -1) { mdb_warn("failed to walk proc"); return (DCMD_ERR); } return (DCMD_OK); } typedef struct mdb_ptree_proc { struct proc *p_parent; struct { char u_comm[MAXCOMLEN + 1]; } p_user; } mdb_ptree_proc_t; /*ARGSUSED*/ int ptree_walk(uintptr_t addr, const void *ignored, void *data) { mdb_ptree_proc_t proc; mdb_ptree_proc_t parent; int ident = 0; uintptr_t paddr; mdb_ctf_vread(&proc, "proc_t", "mdb_ptree_proc_t", addr, 0); for (paddr = (uintptr_t)proc.p_parent; paddr != 0; ident += 5) { mdb_ctf_vread(&parent, "proc_t", "mdb_ptree_proc_t", paddr, 0); paddr = (uintptr_t)parent.p_parent; } mdb_inc_indent(ident); mdb_printf("%0?p %s\n", addr, proc.p_user.u_comm); mdb_dec_indent(ident); return (WALK_NEXT); } void ptree_ancestors(uintptr_t addr, uintptr_t start) { mdb_ptree_proc_t p; if (mdb_ctf_vread(&p, "proc_t", "mdb_ptree_proc_t", addr, 0) == -1) { mdb_warn("couldn't read ancestor at %p", addr); return; } if (p.p_parent != NULL) ptree_ancestors((uintptr_t)p.p_parent, start); if (addr != start) (void) ptree_walk(addr, &p, NULL); } /*ARGSUSED*/ int ptree(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) { if (!(flags & DCMD_ADDRSPEC)) addr = 0; else ptree_ancestors(addr, addr); if (mdb_pwalk("proc", (mdb_walk_cb_t)ptree_walk, NULL, addr) == -1) { mdb_warn("couldn't walk 'proc'"); return (DCMD_ERR); } return (DCMD_OK); } typedef struct mdb_fd_proc { struct { struct { int fi_nfiles; uf_entry_t *volatile fi_list; } u_finfo; } p_user; } mdb_fd_proc_t; /*ARGSUSED*/ static int fd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) { int fdnum; const mdb_arg_t *argp = &argv[0]; mdb_fd_proc_t p; uf_entry_t uf; if ((flags & DCMD_ADDRSPEC) == 0) { mdb_warn("fd doesn't give global information\n"); return (DCMD_ERR); } if (argc != 1) return (DCMD_USAGE); if (argp->a_type == MDB_TYPE_IMMEDIATE) fdnum = argp->a_un.a_val; else fdnum = mdb_strtoull(argp->a_un.a_str); if (mdb_ctf_vread(&p, "proc_t", "mdb_fd_proc_t", addr, 0) == -1) { mdb_warn("couldn't read proc_t at %p", addr); return (DCMD_ERR); } if (fdnum > p.p_user.u_finfo.fi_nfiles) { mdb_warn("process %p only has %d files open.\n", addr, p.p_user.u_finfo.fi_nfiles); return (DCMD_ERR); } if (mdb_vread(&uf, sizeof (uf_entry_t), (uintptr_t)&p.p_user.u_finfo.fi_list[fdnum]) == -1) { mdb_warn("couldn't read uf_entry_t at %p", &p.p_user.u_finfo.fi_list[fdnum]); return (DCMD_ERR); } mdb_printf("%p\n", uf.uf_file); return (DCMD_OK); } /*ARGSUSED*/ static int pid2proc(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) { pid_t pid = (pid_t)addr; if (argc != 0) return (DCMD_USAGE); if ((addr = mdb_pid2proc(pid, NULL)) == 0) { mdb_warn("PID 0t%d not found\n", pid); return (DCMD_ERR); } mdb_printf("%p\n", addr); return (DCMD_OK); } static char *sysfile_cmd[] = { "exclude:", "include:", "forceload:", "rootdev:", "rootfs:", "swapdev:", "swapfs:", "moddir:", "set", "unknown", }; static char *sysfile_ops[] = { "", "=", "&", "|" }; /*ARGSUSED*/ static int sysfile_vmem_seg(uintptr_t addr, const vmem_seg_t *vsp, void **target) { if (vsp->vs_type == VMEM_ALLOC && (void *)vsp->vs_start == *target) { *target = NULL; return (WALK_DONE); } return (WALK_NEXT); } /*ARGSUSED*/ static int sysfile(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) { struct sysparam *sysp, sys; char var[256]; char modname[256]; char val[256]; char strval[256]; vmem_t *mod_sysfile_arena; void *straddr; if (mdb_readvar(&sysp, "sysparam_hd") == -1) { mdb_warn("failed to read sysparam_hd"); return (DCMD_ERR); } if (mdb_readvar(&mod_sysfile_arena, "mod_sysfile_arena") == -1) { mdb_warn("failed to read mod_sysfile_arena"); return (DCMD_ERR); } while (sysp != NULL) { var[0] = '\0'; val[0] = '\0'; modname[0] = '\0'; if (mdb_vread(&sys, sizeof (sys), (uintptr_t)sysp) == -1) { mdb_warn("couldn't read sysparam %p", sysp); return (DCMD_ERR); } if (sys.sys_modnam != NULL && mdb_readstr(modname, 256, (uintptr_t)sys.sys_modnam) == -1) { mdb_warn("couldn't read modname in %p", sysp); return (DCMD_ERR); } if (sys.sys_ptr != NULL && mdb_readstr(var, 256, (uintptr_t)sys.sys_ptr) == -1) { mdb_warn("couldn't read ptr in %p", sysp); return (DCMD_ERR); } if (sys.sys_op != SETOP_NONE) { /* * Is this an int or a string? We determine this * by checking whether straddr is contained in * mod_sysfile_arena. If so, the walker will set * straddr to NULL. */ straddr = (void *)(uintptr_t)sys.sys_info; if (sys.sys_op == SETOP_ASSIGN && sys.sys_info != 0 && mdb_pwalk("vmem_seg", (mdb_walk_cb_t)sysfile_vmem_seg, &straddr, (uintptr_t)mod_sysfile_arena) == 0 && straddr == NULL && mdb_readstr(strval, 256, (uintptr_t)sys.sys_info) != -1) { (void) mdb_snprintf(val, sizeof (val), "\"%s\"", strval); } else { (void) mdb_snprintf(val, sizeof (val), "0x%llx [0t%llu]", sys.sys_info, sys.sys_info); } } mdb_printf("%s %s%s%s%s%s\n", sysfile_cmd[sys.sys_type], modname, modname[0] == '\0' ? "" : ":", var, sysfile_ops[sys.sys_op], val); sysp = sys.sys_next; } return (DCMD_OK); } int didmatch(uintptr_t addr, const kthread_t *thr, kt_did_t *didp) { if (*didp == thr->t_did) { mdb_printf("%p\n", addr); return (WALK_DONE); } else return (WALK_NEXT); } /*ARGSUSED*/ int did2thread(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) { const mdb_arg_t *argp = &argv[0]; kt_did_t did; if (argc != 1) return (DCMD_USAGE); did = (kt_did_t)mdb_strtoull(argp->a_un.a_str); if (mdb_walk("thread", (mdb_walk_cb_t)didmatch, (void *)&did) == -1) { mdb_warn("failed to walk thread"); return (DCMD_ERR); } return (DCMD_OK); } static int errorq_walk_init(mdb_walk_state_t *wsp) { if (wsp->walk_addr == 0 && mdb_readvar(&wsp->walk_addr, "errorq_list") == -1) { mdb_warn("failed to read errorq_list"); return (WALK_ERR); } return (WALK_NEXT); } static int errorq_walk_step(mdb_walk_state_t *wsp) { uintptr_t addr = wsp->walk_addr; errorq_t eq; if (addr == 0) return (WALK_DONE); if (mdb_vread(&eq, sizeof (eq), addr) == -1) { mdb_warn("failed to read errorq at %p", addr); return (WALK_ERR); } wsp->walk_addr = (uintptr_t)eq.eq_next; return (wsp->walk_callback(addr, &eq, wsp->walk_cbdata)); } typedef struct eqd_walk_data { uintptr_t *eqd_stack; void *eqd_buf; ulong_t eqd_qpos; ulong_t eqd_qlen; size_t eqd_size; } eqd_walk_data_t; /* * In order to walk the list of pending error queue elements, we push the * addresses of the corresponding data buffers in to the eqd_stack array. * The error lists are in reverse chronological order when iterating using * eqe_prev, so we then pop things off the top in eqd_walk_step so that the * walker client gets addresses in order from oldest error to newest error. */ static void eqd_push_list(eqd_walk_data_t *eqdp, uintptr_t addr) { errorq_elem_t eqe; while (addr != 0) { if (mdb_vread(&eqe, sizeof (eqe), addr) != sizeof (eqe)) { mdb_warn("failed to read errorq element at %p", addr); break; } if (eqdp->eqd_qpos == eqdp->eqd_qlen) { mdb_warn("errorq is overfull -- more than %lu " "elems found\n", eqdp->eqd_qlen); break; } eqdp->eqd_stack[eqdp->eqd_qpos++] = (uintptr_t)eqe.eqe_data; addr = (uintptr_t)eqe.eqe_prev; } } static int eqd_walk_init(mdb_walk_state_t *wsp) { eqd_walk_data_t *eqdp; errorq_elem_t eqe, *addr; errorq_t eq; ulong_t i; if (mdb_vread(&eq, sizeof (eq), wsp->walk_addr) == -1) { mdb_warn("failed to read errorq at %p", wsp->walk_addr); return (WALK_ERR); } if (eq.eq_ptail != NULL && mdb_vread(&eqe, sizeof (eqe), (uintptr_t)eq.eq_ptail) == -1) { mdb_warn("failed to read errorq element at %p", eq.eq_ptail); return (WALK_ERR); } eqdp = mdb_alloc(sizeof (eqd_walk_data_t), UM_SLEEP); wsp->walk_data = eqdp; eqdp->eqd_stack = mdb_zalloc(sizeof (uintptr_t) * eq.eq_qlen, UM_SLEEP); eqdp->eqd_buf = mdb_alloc(eq.eq_size, UM_SLEEP); eqdp->eqd_qlen = eq.eq_qlen; eqdp->eqd_qpos = 0; eqdp->eqd_size = eq.eq_size; /* * The newest elements in the queue are on the pending list, so we * push those on to our stack first. */ eqd_push_list(eqdp, (uintptr_t)eq.eq_pend); /* * If eq_ptail is set, it may point to a subset of the errors on the * pending list in the event a atomic_cas_ptr() failed; if ptail's * data is already in our stack, NULL out eq_ptail and ignore it. */ if (eq.eq_ptail != NULL) { for (i = 0; i < eqdp->eqd_qpos; i++) { if (eqdp->eqd_stack[i] == (uintptr_t)eqe.eqe_data) { eq.eq_ptail = NULL; break; } } } /* * If eq_phead is set, it has the processing list in order from oldest * to newest. Use this to recompute eq_ptail as best we can and then * we nicely fall into eqd_push_list() of eq_ptail below. */ for (addr = eq.eq_phead; addr != NULL && mdb_vread(&eqe, sizeof (eqe), (uintptr_t)addr) == sizeof (eqe); addr = eqe.eqe_next) eq.eq_ptail = addr; /* * The oldest elements in the queue are on the processing list, subject * to machinations in the if-clauses above. Push any such elements. */ eqd_push_list(eqdp, (uintptr_t)eq.eq_ptail); return (WALK_NEXT); } static int eqd_walk_step(mdb_walk_state_t *wsp) { eqd_walk_data_t *eqdp = wsp->walk_data; uintptr_t addr; if (eqdp->eqd_qpos == 0) return (WALK_DONE); addr = eqdp->eqd_stack[--eqdp->eqd_qpos]; if (mdb_vread(eqdp->eqd_buf, eqdp->eqd_size, addr) != eqdp->eqd_size) { mdb_warn("failed to read errorq data at %p", addr); return (WALK_ERR); } return (wsp->walk_callback(addr, eqdp->eqd_buf, wsp->walk_cbdata)); } static void eqd_walk_fini(mdb_walk_state_t *wsp) { eqd_walk_data_t *eqdp = wsp->walk_data; mdb_free(eqdp->eqd_stack, sizeof (uintptr_t) * eqdp->eqd_qlen); mdb_free(eqdp->eqd_buf, eqdp->eqd_size); mdb_free(eqdp, sizeof (eqd_walk_data_t)); } #define EQKSVAL(eqv, what) (eqv.eq_kstat.what.value.ui64) static int errorq(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) { int i; errorq_t eq; uint_t opt_v = FALSE; if (!(flags & DCMD_ADDRSPEC)) { if (mdb_walk_dcmd("errorq", "errorq", argc, argv) == -1) { mdb_warn("can't walk 'errorq'"); return (DCMD_ERR); } return (DCMD_OK); } i = mdb_getopts(argc, argv, 'v', MDB_OPT_SETBITS, TRUE, &opt_v, NULL); argc -= i; argv += i; if (argc != 0) return (DCMD_USAGE); if (opt_v || DCMD_HDRSPEC(flags)) { mdb_printf("%%-11s %-16s %1s %1s %1s ", "ADDR", "NAME", "S", "V", "N"); if (!opt_v) { mdb_printf("%7s %7s %7s%\n", "ACCEPT", "DROP", "LOG"); } else { mdb_printf("%5s %6s %6s %3s %16s%\n", "KSTAT", "QLEN", "SIZE", "IPL", "FUNC"); } } if (mdb_vread(&eq, sizeof (eq), addr) != sizeof (eq)) { mdb_warn("failed to read errorq at %p", addr); return (DCMD_ERR); } mdb_printf("%-11p %-16s %c %c %c ", addr, eq.eq_name, (eq.eq_flags & ERRORQ_ACTIVE) ? '+' : '-', (eq.eq_flags & ERRORQ_VITAL) ? '!' : ' ', (eq.eq_flags & ERRORQ_NVLIST) ? '*' : ' '); if (!opt_v) { mdb_printf("%7llu %7llu %7llu\n", EQKSVAL(eq, eqk_dispatched) + EQKSVAL(eq, eqk_committed), EQKSVAL(eq, eqk_dropped) + EQKSVAL(eq, eqk_reserve_fail) + EQKSVAL(eq, eqk_commit_fail), EQKSVAL(eq, eqk_logged)); } else { mdb_printf("%5s %6lu %6lu %3u %a\n", " | ", eq.eq_qlen, eq.eq_size, eq.eq_ipl, eq.eq_func); mdb_printf("%38s\n%41s" "%12s %llu\n" "%53s %llu\n" "%53s %llu\n" "%53s %llu\n" "%53s %llu\n" "%53s %llu\n" "%53s %llu\n" "%53s %llu\n\n", "|", "+-> ", "DISPATCHED", EQKSVAL(eq, eqk_dispatched), "DROPPED", EQKSVAL(eq, eqk_dropped), "LOGGED", EQKSVAL(eq, eqk_logged), "RESERVED", EQKSVAL(eq, eqk_reserved), "RESERVE FAIL", EQKSVAL(eq, eqk_reserve_fail), "COMMITTED", EQKSVAL(eq, eqk_committed), "COMMIT FAIL", EQKSVAL(eq, eqk_commit_fail), "CANCELLED", EQKSVAL(eq, eqk_cancelled)); } return (DCMD_OK); } /*ARGSUSED*/ static int panicinfo(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) { cpu_t panic_cpu; kthread_t *panic_thread; void *buf; panic_data_t *pd; int i, n; if (!mdb_prop_postmortem) { mdb_warn("panicinfo can only be run on a system " "dump; see dumpadm(1M)\n"); return (DCMD_ERR); } if (flags & DCMD_ADDRSPEC || argc != 0) return (DCMD_USAGE); if (mdb_readsym(&panic_cpu, sizeof (cpu_t), "panic_cpu") == -1) mdb_warn("failed to read 'panic_cpu'"); else mdb_printf("%16s %?d\n", "cpu", panic_cpu.cpu_id); if (mdb_readvar(&panic_thread, "panic_thread") == -1) mdb_warn("failed to read 'panic_thread'"); else mdb_printf("%16s %?p\n", "thread", panic_thread); buf = mdb_alloc(PANICBUFSIZE, UM_SLEEP); pd = (panic_data_t *)buf; if (mdb_readsym(buf, PANICBUFSIZE, "panicbuf") == -1 || pd->pd_version != PANICBUFVERS) { mdb_warn("failed to read 'panicbuf'"); mdb_free(buf, PANICBUFSIZE); return (DCMD_ERR); } mdb_printf("%16s %s\n", "message", (char *)buf + pd->pd_msgoff); n = (pd->pd_msgoff - (sizeof (panic_data_t) - sizeof (panic_nv_t))) / sizeof (panic_nv_t); for (i = 0; i < n; i++) mdb_printf("%16s %?llx\n", pd->pd_nvdata[i].pnv_name, pd->pd_nvdata[i].pnv_value); mdb_free(buf, PANICBUFSIZE); return (DCMD_OK); } /* * ::time dcmd, which will print a hires timestamp of when we entered the * debugger, or the lbolt value if used with the -l option. * */ /*ARGSUSED*/ static int time(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) { uint_t opt_dec = FALSE; uint_t opt_lbolt = FALSE; uint_t opt_hex = FALSE; const char *fmt; hrtime_t result; if (mdb_getopts(argc, argv, 'd', MDB_OPT_SETBITS, TRUE, &opt_dec, 'l', MDB_OPT_SETBITS, TRUE, &opt_lbolt, 'x', MDB_OPT_SETBITS, TRUE, &opt_hex, NULL) != argc) return (DCMD_USAGE); if (opt_dec && opt_hex) return (DCMD_USAGE); result = opt_lbolt ? mdb_get_lbolt() : mdb_gethrtime(); fmt = opt_hex ? "0x%llx\n" : opt_dec ? "0t%lld\n" : "%#llr\n"; mdb_printf(fmt, result); return (DCMD_OK); } void time_help(void) { mdb_printf("Prints the system time in nanoseconds.\n\n" "::time will return the timestamp at which we dropped into, \n" "if called from, kmdb(1); the core dump's high resolution \n" "time if inspecting one; or the running hires time if we're \n" "looking at a live system.\n\n" "Switches:\n" " -d report times in decimal\n" " -l prints the number of clock ticks since system boot\n" " -x report times in hexadecimal\n"); } extern int cmd_refstr(uintptr_t, uint_t, int, const mdb_arg_t *); static const mdb_dcmd_t dcmds[] = { /* from genunix.c */ { "as2proc", ":", "convert as to proc_t address", as2proc }, { "binding_hash_entry", ":", "print driver names hash table entry", binding_hash_entry }, { "callout", "?[-r|n] [-s|l] [-xhB] [-t | -ab nsec [-dkD]]" " [-C addr | -S seqid] [-f name|addr] [-p name| addr] [-T|L [-E]]" " [-FivVA]", "display callouts", callout, callout_help }, { "calloutid", "[-d|v] xid", "print callout by extended id", calloutid, calloutid_help }, { "class", NULL, "print process scheduler classes", class }, { "cpuinfo", "?[-v]", "print CPUs and runnable threads", cpuinfo }, { "did2thread", "? kt_did", "find kernel thread for this id", did2thread }, { "errorq", "?[-v]", "display kernel error queues", errorq }, { "fd", ":[fd num]", "get a file pointer from an fd", fd }, { "flipone", ":", "the vik_rev_level 2 special", flipone }, { "lminfo", NULL, "print lock manager information", lminfo }, { "ndi_event_hdl", "?", "print ndi_event_hdl", ndi_event_hdl }, { "panicinfo", NULL, "print panic information", panicinfo }, { "pid2proc", "?", "convert PID to proc_t address", pid2proc }, { "project", NULL, "display kernel project(s)", project }, { "ps", "[-fltzTP]", "list processes (and associated thr,lwp)", ps, ps_help }, { "pflags", NULL, "display various proc_t flags", pflags }, { "pgrep", "[-x] [-n | -o] pattern", "pattern match against all processes", pgrep }, { "ptree", NULL, "print process tree", ptree }, { "refstr", NULL, "print string from a refstr_t", cmd_refstr, NULL }, { "sysevent", "?[-sv]", "print sysevent pending or sent queue", sysevent}, { "sysevent_channel", "?", "print sysevent channel database", sysevent_channel}, { "sysevent_class_list", ":", "print sysevent class list", sysevent_class_list}, { "sysevent_subclass_list", ":", "print sysevent subclass list", sysevent_subclass_list}, { "system", NULL, "print contents of /etc/system file", sysfile }, { "task", NULL, "display kernel task(s)", task }, { "time", "[-dlx]", "display system time", time, time_help }, { "vnode2path", ":[-F]", "vnode address to pathname", vnode2path }, { "whereopen", ":", "given a vnode, dumps procs which have it open", whereopen }, /* from bio.c */ { "bufpagefind", ":addr", "find page_t on buf_t list", bufpagefind }, /* from bitset.c */ { "bitset", ":", "display a bitset", bitset, bitset_help }, /* from contract.c */ { "contract", "?", "display a contract", cmd_contract }, { "ctevent", ":", "display a contract event", cmd_ctevent }, { "ctid", ":", "convert id to a contract pointer", cmd_ctid }, /* from cpupart.c */ { "cpupart", "?[-v]", "print cpu partition info", cpupart }, /* from cred.c */ { "cred", ":[-v]", "display a credential", cmd_cred }, { "credgrp", ":[-v]", "display cred_t groups", cmd_credgrp }, { "credsid", ":[-v]", "display a credsid_t", cmd_credsid }, { "ksidlist", ":[-v]", "display a ksidlist_t", cmd_ksidlist }, /* from cyclic.c */ { "cyccover", NULL, "dump cyclic coverage information", cyccover }, { "cycid", "?", "dump a cyclic id", cycid }, { "cycinfo", "?", "dump cyc_cpu info", cycinfo }, { "cyclic", ":", "developer information", cyclic }, { "cyctrace", "?", "dump cyclic trace buffer", cyctrace }, /* from damap.c */ { "damap", ":", "display a damap_t", damap, damap_help }, /* from ddi_periodic.c */ { "ddi_periodic", "?[-v]", "dump ddi_periodic_impl_t info", dprinfo }, /* from devinfo.c */ { "devbindings", "?[-qs] [device-name | major-num]", "print devinfo nodes bound to device-name or major-num", devbindings, devinfo_help }, { "devinfo", ":[-qsd] [-b bus]", "detailed devinfo of one node", devinfo, devinfo_help }, { "devinfo_audit", ":[-v]", "devinfo configuration audit record", devinfo_audit }, { "devinfo_audit_log", "?[-v]", "system wide devinfo configuration log", devinfo_audit_log }, { "devinfo_audit_node", ":[-v]", "devinfo node configuration history", devinfo_audit_node }, { "devinfo2driver", ":", "find driver name for this devinfo node", devinfo2driver }, { "devnames", "?[-vm] [num]", "print devnames array", devnames }, { "dev2major", "?", "convert dev_t to a major number", dev2major }, { "dev2minor", "?", "convert dev_t to a minor number", dev2minor }, { "devt", "?", "display a dev_t's major and minor numbers", devt }, { "major2name", "?", "convert major number to dev name", major2name }, { "minornodes", ":", "given a devinfo node, print its minor nodes", minornodes }, { "modctl2devinfo", ":", "given a modctl, list its devinfos", modctl2devinfo }, { "name2major", "", "convert dev name to major number", name2major }, { "prtconf", "?[-vpc] [-d driver] [-i inst]", "print devinfo tree", prtconf, prtconf_help }, { "softstate", ":", "retrieve soft-state pointer", softstate }, { "devinfo_fm", ":", "devinfo fault managment configuration", devinfo_fm }, { "devinfo_fmce", ":", "devinfo fault managment cache entry", devinfo_fmce}, /* from findstack.c */ { "findstack", ":[-v]", "find kernel thread stack", findstack }, { "findstack_debug", NULL, "toggle findstack debugging", findstack_debug }, { "stacks", "?[-afiv] [-c func] [-C func] [-m module] [-M module] " "[-s sobj | -S sobj] [-t tstate | -T tstate]", "print unique kernel thread stacks", stacks, stacks_help }, /* from fm.c */ { "ereport", "[-v]", "print ereports logged in dump", ereport }, /* from group.c */ { "group", "?[-q]", "display a group", group}, /* from hotplug.c */ { "hotplug", "?[-p]", "display a registered hotplug attachment", hotplug, hotplug_help }, /* from irm.c */ { "irmpools", NULL, "display interrupt pools", irmpools_dcmd }, { "irmreqs", NULL, "display interrupt requests in an interrupt pool", irmreqs_dcmd }, { "irmreq", NULL, "display an interrupt request", irmreq_dcmd }, /* from kgrep.c + genunix.c */ { "kgrep", KGREP_USAGE, "search kernel as for a pointer", kgrep, kgrep_help }, /* from kmem.c */ { "allocdby", ":", "given a thread, print its allocated buffers", allocdby }, { "bufctl", ":[-vh] [-a addr] [-c caller] [-e earliest] [-l latest] " "[-t thd]", "print or filter a bufctl", bufctl, bufctl_help }, { "freedby", ":", "given a thread, print its freed buffers", freedby }, { "kmalog", "?[ fail | slab | zerosized ]", "display kmem transaction log and stack traces for specified type", kmalog }, { "kmastat", "[-kmg]", "kernel memory allocator stats", kmastat }, { "kmausers", "?[-ef] [cache ...]", "current medium and large users " "of the kmem allocator", kmausers, kmausers_help }, { "kmem_cache", "?[-n name]", "print kernel memory caches", kmem_cache, kmem_cache_help}, { "kmem_slabs", "?[-v] [-n cache] [-N cache] [-b maxbins] " "[-B minbinsize]", "display slab usage per kmem cache", kmem_slabs, kmem_slabs_help }, { "kmem_debug", NULL, "toggle kmem dcmd/walk debugging", kmem_debug }, { "kmem_log", "?[-b]", "dump kmem transaction log", kmem_log }, { "kmem_verify", "?", "check integrity of kmem-managed memory", kmem_verify }, { "vmem", "?", "print a vmem_t", vmem }, { "vmem_seg", ":[-sv] [-c caller] [-e earliest] [-l latest] " "[-m minsize] [-M maxsize] [-t thread] [-T type]", "print or filter a vmem_seg", vmem_seg, vmem_seg_help }, { "whatthread", ":[-v]", "print threads whose stack contains the " "given address", whatthread }, /* from ldi.c */ { "ldi_handle", "?[-i]", "display a layered driver handle", ldi_handle, ldi_handle_help }, { "ldi_ident", NULL, "display a layered driver identifier", ldi_ident, ldi_ident_help }, /* from leaky.c + leaky_subr.c */ { "findleaks", FINDLEAKS_USAGE, "search for potential kernel memory leaks", findleaks, findleaks_help }, /* from lgrp.c */ { "lgrp", "?[-q] [-p | -Pih]", "display an lgrp", lgrp}, { "lgrp_set", "", "display bitmask of lgroups as a list", lgrp_set}, /* from log.c */ { "msgbuf", "?[-v]", "print most recent console messages", msgbuf }, /* from mdi.c */ { "mdipi", NULL, "given a path, dump mdi_pathinfo " "and detailed pi_prop list", mdipi }, { "mdiprops", NULL, "given a pi_prop, dump the pi_prop list", mdiprops }, { "mdiphci", NULL, "given a phci, dump mdi_phci and " "list all paths", mdiphci }, { "mdivhci", NULL, "given a vhci, dump mdi_vhci and list " "all phcis", mdivhci }, { "mdiclient_paths", NULL, "given a path, walk mdi_pathinfo " "client links", mdiclient_paths }, { "mdiphci_paths", NULL, "given a path, walk through mdi_pathinfo " "phci links", mdiphci_paths }, { "mdiphcis", NULL, "given a phci, walk through mdi_phci ph_next links", mdiphcis }, /* from memory.c */ { "addr2smap", ":[offset]", "translate address to smap", addr2smap }, { "memlist", "?[-iav]", "display a struct memlist", memlist }, { "memstat", NULL, "display memory usage summary", memstat }, { "page", "?", "display a summarized page_t", page }, { "pagelookup", "?[-v vp] [-o offset]", "find the page_t with the name {vp, offset}", pagelookup, pagelookup_help }, { "page_num2pp", ":", "find the page_t for a given page frame number", page_num2pp }, { "pmap", ":[-q]", "print process memory map", pmap }, { "seg", ":", "print address space segment", seg }, { "swapinfo", "?", "display a struct swapinfo", swapinfof }, { "vnode2smap", ":[offset]", "translate vnode to smap", vnode2smap }, /* from mmd.c */ { "multidata", ":[-sv]", "display a summarized multidata_t", multidata }, { "pattbl", ":", "display a summarized multidata attribute table", pattbl }, { "pattr2multidata", ":", "print multidata pointer from pattr_t", pattr2multidata }, { "pdesc2slab", ":", "print pdesc slab pointer from pdesc_t", pdesc2slab }, { "pdesc_verify", ":", "verify integrity of a pdesc_t", pdesc_verify }, { "slab2multidata", ":", "print multidata pointer from pdesc_slab_t", slab2multidata }, /* from modhash.c */ { "modhash", "?[-ceht] [-k key] [-v val] [-i index]", "display information about one or all mod_hash structures", modhash, modhash_help }, { "modent", ":[-k | -v | -t type]", "display information about a mod_hash_entry", modent, modent_help }, /* from net.c */ { "dladm", "? [flags]", "show data link information", dladm, dladm_help }, { "mi", ":[-p] [-d | -m]", "filter and display MI object or payload", mi }, { "netstat", "[-arv] [-f inet | inet6 | unix] [-P tcp | udp | icmp]", "show network statistics", netstat }, { "sonode", "?[-f inet | inet6 | unix | #] " "[-t stream | dgram | raw | #] [-p #]", "filter and display sonode", sonode }, /* from netstack.c */ { "netstack", "", "show stack instances", netstack }, { "netstackid2netstack", ":", "translate a netstack id to its netstack_t", netstackid2netstack }, /* from nvpair.c */ { NVPAIR_DCMD_NAME, NVPAIR_DCMD_USAGE, NVPAIR_DCMD_DESCR, nvpair_print }, { NVLIST_DCMD_NAME, NVLIST_DCMD_USAGE, NVLIST_DCMD_DESCR, print_nvlist }, /* from pg.c */ { "pg", "?[-q]", "display a pg", pg}, /* from rctl.c */ { "rctl_dict", "?", "print systemwide default rctl definitions", rctl_dict }, { "rctl_list", ":[handle]", "print rctls for the given proc", rctl_list }, { "rctl", ":[handle]", "print a rctl_t, only if it matches the handle", rctl }, { "rctl_validate", ":[-v] [-n #]", "test resource control value " "sequence", rctl_validate }, /* from sobj.c */ { "rwlock", ":", "dump out a readers/writer lock", rwlock }, { "mutex", ":[-f]", "dump out an adaptive or spin mutex", mutex, mutex_help }, { "sobj2ts", ":", "perform turnstile lookup on synch object", sobj2ts }, { "wchaninfo", "?[-v]", "dump condition variable", wchaninfo }, { "turnstile", "?", "display a turnstile", turnstile }, /* from stream.c */ { "mblk", ":[-q|v] [-f|F flag] [-t|T type] [-l|L|B len] [-d dbaddr]", "print an mblk", mblk_prt, mblk_help }, { "mblk_verify", "?", "verify integrity of an mblk", mblk_verify }, { "mblk2dblk", ":", "convert mblk_t address to dblk_t address", mblk2dblk }, { "q2otherq", ":", "print peer queue for a given queue", q2otherq }, { "q2rdq", ":", "print read queue for a given queue", q2rdq }, { "q2syncq", ":", "print syncq for a given queue", q2syncq }, { "q2stream", ":", "print stream pointer for a given queue", q2stream }, { "q2wrq", ":", "print write queue for a given queue", q2wrq }, { "queue", ":[-q|v] [-m mod] [-f flag] [-F flag] [-s syncq_addr]", "filter and display STREAM queue", queue, queue_help }, { "stdata", ":[-q|v] [-f flag] [-F flag]", "filter and display STREAM head", stdata, stdata_help }, { "str2mate", ":", "print mate of this stream", str2mate }, { "str2wrq", ":", "print write queue of this stream", str2wrq }, { "stream", ":", "display STREAM", stream }, { "strftevent", ":", "print STREAMS flow trace event", strftevent }, { "syncq", ":[-q|v] [-f flag] [-F flag] [-t type] [-T type]", "filter and display STREAM sync queue", syncq, syncq_help }, { "syncq2q", ":", "print queue for a given syncq", syncq2q }, /* from taskq.c */ { "taskq", ":[-atT] [-m min_maxq] [-n name]", "display a taskq", taskq, taskq_help }, { "taskq_entry", ":", "display a taskq_ent_t", taskq_ent }, /* from thread.c */ { "thread", "?[-bdfimps]", "display a summarized kthread_t", thread, thread_help }, { "threadlist", "?[-t] [-v [count]]", "display threads and associated C stack traces", threadlist, threadlist_help }, { "stackinfo", "?[-h|-a]", "display kthread_t stack usage", stackinfo, stackinfo_help }, /* from tsd.c */ { "tsd", ":-k key", "print tsd[key-1] for this thread", ttotsd }, { "tsdtot", ":", "find thread with this tsd", tsdtot }, /* * typegraph does not work under kmdb, as it requires too much memory * for its internal data structures. */ #ifndef _KMDB /* from typegraph.c */ { "findlocks", ":", "find locks held by specified thread", findlocks }, { "findfalse", "?[-v]", "find potentially falsely shared structures", findfalse }, { "typegraph", NULL, "build type graph", typegraph }, { "istype", ":type", "manually set object type", istype }, { "notype", ":", "manually clear object type", notype }, { "whattype", ":", "determine object type", whattype }, #endif /* from vfs.c */ { "fsinfo", "?[-v]", "print mounted filesystems", fsinfo }, { "pfiles", ":[-fp]", "print process file information", pfiles, pfiles_help }, /* from zone.c */ { "zid2zone", ":", "find the zone_t with the given zone id", zid2zone }, { "zone", "?[-r [-v]]", "display kernel zone(s)", zoneprt }, { "zsd", ":[-v] [zsd_key]", "display zone-specific-data entries for " "selected zones", zsd }, #ifndef _KMDB { "gcore", NULL, "generate a user core for the given process", gcore_dcmd }, #endif { NULL } }; static const mdb_walker_t walkers[] = { /* from genunix.c */ { "callouts_bytime", "walk callouts by list chain (expiration time)", callout_walk_init, callout_walk_step, callout_walk_fini, (void *)CALLOUT_WALK_BYLIST }, { "callouts_byid", "walk callouts by id hash chain", callout_walk_init, callout_walk_step, callout_walk_fini, (void *)CALLOUT_WALK_BYID }, { "callout_list", "walk a callout list", callout_list_walk_init, callout_list_walk_step, callout_list_walk_fini }, { "callout_table", "walk callout table array", callout_table_walk_init, callout_table_walk_step, callout_table_walk_fini }, { "cpu", "walk cpu structures", cpu_walk_init, cpu_walk_step }, { "dnlc", "walk dnlc entries", dnlc_walk_init, dnlc_walk_step, dnlc_walk_fini }, { "ereportq_dump", "walk list of ereports in dump error queue", ereportq_dump_walk_init, ereportq_dump_walk_step, NULL }, { "ereportq_pend", "walk list of ereports in pending error queue", ereportq_pend_walk_init, ereportq_pend_walk_step, NULL }, { "errorq", "walk list of system error queues", errorq_walk_init, errorq_walk_step, NULL }, { "errorq_data", "walk pending error queue data buffers", eqd_walk_init, eqd_walk_step, eqd_walk_fini }, { "allfile", "given a proc pointer, list all file pointers", file_walk_init, allfile_walk_step, file_walk_fini }, { "file", "given a proc pointer, list of open file pointers", file_walk_init, file_walk_step, file_walk_fini }, { "lock_descriptor", "walk lock_descriptor_t structures", ld_walk_init, ld_walk_step, NULL }, { "lock_graph", "walk lock graph", lg_walk_init, lg_walk_step, NULL }, { "port", "given a proc pointer, list of created event ports", port_walk_init, port_walk_step, NULL }, { "portev", "given a port pointer, list of events in the queue", portev_walk_init, portev_walk_step, portev_walk_fini }, { "proc", "list of active proc_t structures", proc_walk_init, proc_walk_step, proc_walk_fini }, { "projects", "walk a list of kernel projects", project_walk_init, project_walk_step, NULL }, { "sysevent_pend", "walk sysevent pending queue", sysevent_pend_walk_init, sysevent_walk_step, sysevent_walk_fini}, { "sysevent_sent", "walk sysevent sent queue", sysevent_sent_walk_init, sysevent_walk_step, sysevent_walk_fini}, { "sysevent_channel", "walk sysevent channel subscriptions", sysevent_channel_walk_init, sysevent_channel_walk_step, sysevent_channel_walk_fini}, { "sysevent_class_list", "walk sysevent subscription's class list", sysevent_class_list_walk_init, sysevent_class_list_walk_step, sysevent_class_list_walk_fini}, { "sysevent_subclass_list", "walk sysevent subscription's subclass list", sysevent_subclass_list_walk_init, sysevent_subclass_list_walk_step, sysevent_subclass_list_walk_fini}, { "task", "given a task pointer, walk its processes", task_walk_init, task_walk_step, NULL }, /* from avl.c */ { AVL_WALK_NAME, AVL_WALK_DESC, avl_walk_init, avl_walk_step, avl_walk_fini }, /* from bio.c */ { "buf", "walk the bio buf hash", buf_walk_init, buf_walk_step, buf_walk_fini }, /* from contract.c */ { "contract", "walk all contracts, or those of the specified type", ct_walk_init, generic_walk_step, NULL }, { "ct_event", "walk events on a contract event queue", ct_event_walk_init, generic_walk_step, NULL }, { "ct_listener", "walk contract event queue listeners", ct_listener_walk_init, generic_walk_step, NULL }, /* from cpupart.c */ { "cpupart_cpulist", "given an cpupart_t, walk cpus in partition", cpupart_cpulist_walk_init, cpupart_cpulist_walk_step, NULL }, { "cpupart_walk", "walk the set of cpu partitions", cpupart_walk_init, cpupart_walk_step, NULL }, /* from ctxop.c */ { "ctxop", "walk list of context ops on a thread", ctxop_walk_init, ctxop_walk_step, ctxop_walk_fini }, /* from cyclic.c */ { "cyccpu", "walk per-CPU cyc_cpu structures", cyccpu_walk_init, cyccpu_walk_step, NULL }, { "cycomni", "for an omnipresent cyclic, walk cyc_omni_cpu list", cycomni_walk_init, cycomni_walk_step, NULL }, { "cyctrace", "walk cyclic trace buffer", cyctrace_walk_init, cyctrace_walk_step, cyctrace_walk_fini }, /* from devinfo.c */ { "binding_hash", "walk all entries in binding hash table", binding_hash_walk_init, binding_hash_walk_step, NULL }, { "devinfo", "walk devinfo tree or subtree", devinfo_walk_init, devinfo_walk_step, devinfo_walk_fini }, { "devinfo_audit_log", "walk devinfo audit system-wide log", devinfo_audit_log_walk_init, devinfo_audit_log_walk_step, devinfo_audit_log_walk_fini}, { "devinfo_audit_node", "walk per-devinfo audit history", devinfo_audit_node_walk_init, devinfo_audit_node_walk_step, devinfo_audit_node_walk_fini}, { "devinfo_children", "walk children of devinfo node", devinfo_children_walk_init, devinfo_children_walk_step, devinfo_children_walk_fini }, { "devinfo_parents", "walk ancestors of devinfo node", devinfo_parents_walk_init, devinfo_parents_walk_step, devinfo_parents_walk_fini }, { "devinfo_siblings", "walk siblings of devinfo node", devinfo_siblings_walk_init, devinfo_siblings_walk_step, NULL }, { "devi_next", "walk devinfo list", NULL, devi_next_walk_step, NULL }, { "devnames", "walk devnames array", devnames_walk_init, devnames_walk_step, devnames_walk_fini }, { "minornode", "given a devinfo node, walk minor nodes", minornode_walk_init, minornode_walk_step, NULL }, { "softstate", "given an i_ddi_soft_state*, list all in-use driver stateps", soft_state_walk_init, soft_state_walk_step, NULL, NULL }, { "softstate_all", "given an i_ddi_soft_state*, list all driver stateps", soft_state_walk_init, soft_state_all_walk_step, NULL, NULL }, { "devinfo_fmc", "walk a fault management handle cache active list", devinfo_fmc_walk_init, devinfo_fmc_walk_step, NULL }, /* from group.c */ { "group", "walk all elements of a group", group_walk_init, group_walk_step, NULL }, /* from irm.c */ { "irmpools", "walk global list of interrupt pools", irmpools_walk_init, list_walk_step, list_walk_fini }, { "irmreqs", "walk list of interrupt requests in an interrupt pool", irmreqs_walk_init, list_walk_step, list_walk_fini }, /* from kmem.c */ { "allocdby", "given a thread, walk its allocated bufctls", allocdby_walk_init, allocdby_walk_step, allocdby_walk_fini }, { "bufctl", "walk a kmem cache's bufctls", bufctl_walk_init, kmem_walk_step, kmem_walk_fini }, { "bufctl_history", "walk the available history of a bufctl", bufctl_history_walk_init, bufctl_history_walk_step, bufctl_history_walk_fini }, { "freedby", "given a thread, walk its freed bufctls", freedby_walk_init, allocdby_walk_step, allocdby_walk_fini }, { "freectl", "walk a kmem cache's free bufctls", freectl_walk_init, kmem_walk_step, kmem_walk_fini }, { "freectl_constructed", "walk a kmem cache's constructed free bufctls", freectl_constructed_walk_init, kmem_walk_step, kmem_walk_fini }, { "freemem", "walk a kmem cache's free memory", freemem_walk_init, kmem_walk_step, kmem_walk_fini }, { "freemem_constructed", "walk a kmem cache's constructed free memory", freemem_constructed_walk_init, kmem_walk_step, kmem_walk_fini }, { "kmem", "walk a kmem cache", kmem_walk_init, kmem_walk_step, kmem_walk_fini }, { "kmem_cpu_cache", "given a kmem cache, walk its per-CPU caches", kmem_cpu_cache_walk_init, kmem_cpu_cache_walk_step, NULL }, { "kmem_hash", "given a kmem cache, walk its allocated hash table", kmem_hash_walk_init, kmem_hash_walk_step, kmem_hash_walk_fini }, { "kmem_log", "walk the kmem transaction log", kmem_log_walk_init, kmem_log_walk_step, kmem_log_walk_fini }, { "kmem_slab", "given a kmem cache, walk its slabs", kmem_slab_walk_init, combined_walk_step, combined_walk_fini }, { "kmem_slab_partial", "given a kmem cache, walk its partially allocated slabs (min 1)", kmem_slab_walk_partial_init, combined_walk_step, combined_walk_fini }, { "vmem", "walk vmem structures in pre-fix, depth-first order", vmem_walk_init, vmem_walk_step, vmem_walk_fini }, { "vmem_alloc", "given a vmem_t, walk its allocated vmem_segs", vmem_alloc_walk_init, vmem_seg_walk_step, vmem_seg_walk_fini }, { "vmem_free", "given a vmem_t, walk its free vmem_segs", vmem_free_walk_init, vmem_seg_walk_step, vmem_seg_walk_fini }, { "vmem_postfix", "walk vmem structures in post-fix, depth-first order", vmem_walk_init, vmem_postfix_walk_step, vmem_walk_fini }, { "vmem_seg", "given a vmem_t, walk all of its vmem_segs", vmem_seg_walk_init, vmem_seg_walk_step, vmem_seg_walk_fini }, { "vmem_span", "given a vmem_t, walk its spanning vmem_segs", vmem_span_walk_init, vmem_seg_walk_step, vmem_seg_walk_fini }, /* from ldi.c */ { "ldi_handle", "walk the layered driver handle hash", ldi_handle_walk_init, ldi_handle_walk_step, NULL }, { "ldi_ident", "walk the layered driver identifier hash", ldi_ident_walk_init, ldi_ident_walk_step, NULL }, /* from leaky.c + leaky_subr.c */ { "leak", "given a leaked bufctl or vmem_seg, find leaks w/ same " "stack trace", leaky_walk_init, leaky_walk_step, leaky_walk_fini }, { "leakbuf", "given a leaked bufctl or vmem_seg, walk buffers for " "leaks w/ same stack trace", leaky_walk_init, leaky_buf_walk_step, leaky_walk_fini }, /* from lgrp.c */ { "lgrp_cpulist", "walk CPUs in a given lgroup", lgrp_cpulist_walk_init, lgrp_cpulist_walk_step, NULL }, { "lgrptbl", "walk lgroup table", lgrp_walk_init, lgrp_walk_step, NULL }, { "lgrp_parents", "walk up lgroup lineage from given lgroup", lgrp_parents_walk_init, lgrp_parents_walk_step, NULL }, { "lgrp_rsrc_mem", "walk lgroup memory resources of given lgroup", lgrp_rsrc_mem_walk_init, lgrp_set_walk_step, NULL }, { "lgrp_rsrc_cpu", "walk lgroup CPU resources of given lgroup", lgrp_rsrc_cpu_walk_init, lgrp_set_walk_step, NULL }, /* from list.c */ { LIST_WALK_NAME, LIST_WALK_DESC, list_walk_init, list_walk_step, list_walk_fini }, /* from mdi.c */ { "mdipi_client_list", "Walker for mdi_pathinfo pi_client_link", mdi_pi_client_link_walk_init, mdi_pi_client_link_walk_step, mdi_pi_client_link_walk_fini }, { "mdipi_phci_list", "Walker for mdi_pathinfo pi_phci_link", mdi_pi_phci_link_walk_init, mdi_pi_phci_link_walk_step, mdi_pi_phci_link_walk_fini }, { "mdiphci_list", "Walker for mdi_phci ph_next link", mdi_phci_ph_next_walk_init, mdi_phci_ph_next_walk_step, mdi_phci_ph_next_walk_fini }, /* from memory.c */ { "allpages", "walk all pages, including free pages", allpages_walk_init, allpages_walk_step, allpages_walk_fini }, { "anon", "given an amp, list allocated anon structures", anon_walk_init, anon_walk_step, anon_walk_fini, ANON_WALK_ALLOC }, { "anon_all", "given an amp, list contents of all anon slots", anon_walk_init, anon_walk_step, anon_walk_fini, ANON_WALK_ALL }, { "memlist", "walk specified memlist", NULL, memlist_walk_step, NULL }, { "page", "walk all pages, or those from the specified vnode", page_walk_init, page_walk_step, page_walk_fini }, { "seg", "given an as, list of segments", seg_walk_init, avl_walk_step, avl_walk_fini }, { "segvn_anon", "given a struct segvn_data, list allocated anon structures", segvn_anon_walk_init, anon_walk_step, anon_walk_fini, ANON_WALK_ALLOC }, { "segvn_anon_all", "given a struct segvn_data, list contents of all anon slots", segvn_anon_walk_init, anon_walk_step, anon_walk_fini, ANON_WALK_ALL }, { "segvn_pages", "given a struct segvn_data, list resident pages in " "offset order", segvn_pages_walk_init, segvn_pages_walk_step, segvn_pages_walk_fini, SEGVN_PAGES_RESIDENT }, { "segvn_pages_all", "for each offset in a struct segvn_data, give page_t pointer " "(if resident), or NULL.", segvn_pages_walk_init, segvn_pages_walk_step, segvn_pages_walk_fini, SEGVN_PAGES_ALL }, { "swapinfo", "walk swapinfo structures", swap_walk_init, swap_walk_step, NULL }, /* from mmd.c */ { "pattr", "walk pattr_t structures", pattr_walk_init, mmdq_walk_step, mmdq_walk_fini }, { "pdesc", "walk pdesc_t structures", pdesc_walk_init, mmdq_walk_step, mmdq_walk_fini }, { "pdesc_slab", "walk pdesc_slab_t structures", pdesc_slab_walk_init, mmdq_walk_step, mmdq_walk_fini }, /* from modhash.c */ { "modhash", "walk list of mod_hash structures", modhash_walk_init, modhash_walk_step, NULL }, { "modent", "walk list of entries in a given mod_hash", modent_walk_init, modent_walk_step, modent_walk_fini }, { "modchain", "walk list of entries in a given mod_hash_entry", NULL, modchain_walk_step, NULL }, /* from net.c */ { "icmp", "walk ICMP control structures using MI for all stacks", mi_payload_walk_init, mi_payload_walk_step, NULL, &mi_icmp_arg }, { "mi", "given a MI_O, walk the MI", mi_walk_init, mi_walk_step, mi_walk_fini, NULL }, { "sonode", "given a sonode, walk its children", sonode_walk_init, sonode_walk_step, sonode_walk_fini, NULL }, { "icmp_stacks", "walk all the icmp_stack_t", icmp_stacks_walk_init, icmp_stacks_walk_step, NULL }, { "tcp_stacks", "walk all the tcp_stack_t", tcp_stacks_walk_init, tcp_stacks_walk_step, NULL }, { "udp_stacks", "walk all the udp_stack_t", udp_stacks_walk_init, udp_stacks_walk_step, NULL }, /* from netstack.c */ { "netstack", "walk a list of kernel netstacks", netstack_walk_init, netstack_walk_step, NULL }, /* from nvpair.c */ { NVPAIR_WALKER_NAME, NVPAIR_WALKER_DESCR, nvpair_walk_init, nvpair_walk_step, NULL }, /* from pci.c */ { "pcie_bus", "walk all pcie_bus_t's", pcie_bus_walk_init, pcie_bus_walk_step, NULL }, /* from rctl.c */ { "rctl_dict_list", "walk all rctl_dict_entry_t's from rctl_lists", rctl_dict_walk_init, rctl_dict_walk_step, NULL }, { "rctl_set", "given a rctl_set, walk all rctls", rctl_set_walk_init, rctl_set_walk_step, NULL }, { "rctl_val", "given a rctl_t, walk all rctl_val entries associated", rctl_val_walk_init, rctl_val_walk_step }, /* from sobj.c */ { "blocked", "walk threads blocked on a given sobj", blocked_walk_init, blocked_walk_step, NULL }, { "wchan", "given a wchan, list of blocked threads", wchan_walk_init, wchan_walk_step, wchan_walk_fini }, /* from stream.c */ { "b_cont", "walk mblk_t list using b_cont", mblk_walk_init, b_cont_step, mblk_walk_fini }, { "b_next", "walk mblk_t list using b_next", mblk_walk_init, b_next_step, mblk_walk_fini }, { "qlink", "walk queue_t list using q_link", queue_walk_init, queue_link_step, queue_walk_fini }, { "qnext", "walk queue_t list using q_next", queue_walk_init, queue_next_step, queue_walk_fini }, { "strftblk", "given a dblk_t, walk STREAMS flow trace event list", strftblk_walk_init, strftblk_step, strftblk_walk_fini }, { "readq", "walk read queue side of stdata", str_walk_init, strr_walk_step, str_walk_fini }, { "writeq", "walk write queue side of stdata", str_walk_init, strw_walk_step, str_walk_fini }, /* from taskq.c */ { "taskq_thread", "given a taskq_t, list all of its threads", taskq_thread_walk_init, taskq_thread_walk_step, taskq_thread_walk_fini }, { "taskq_entry", "given a taskq_t*, list all taskq_ent_t in the list", taskq_ent_walk_init, taskq_ent_walk_step, NULL }, /* from thread.c */ { "deathrow", "walk threads on both lwp_ and thread_deathrow", deathrow_walk_init, deathrow_walk_step, NULL }, { "cpu_dispq", "given a cpu_t, walk threads in dispatcher queues", cpu_dispq_walk_init, dispq_walk_step, dispq_walk_fini }, { "cpupart_dispq", "given a cpupart_t, walk threads in dispatcher queues", cpupart_dispq_walk_init, dispq_walk_step, dispq_walk_fini }, { "lwp_deathrow", "walk lwp_deathrow", lwp_deathrow_walk_init, deathrow_walk_step, NULL }, { "thread", "global or per-process kthread_t structures", thread_walk_init, thread_walk_step, thread_walk_fini }, { "thread_deathrow", "walk threads on thread_deathrow", thread_deathrow_walk_init, deathrow_walk_step, NULL }, /* from tsd.c */ { "tsd", "walk list of thread-specific data", tsd_walk_init, tsd_walk_step, tsd_walk_fini }, /* from tsol.c */ { "tnrh", "walk remote host cache structures", tnrh_walk_init, tnrh_walk_step, tnrh_walk_fini }, { "tnrhtp", "walk remote host template structures", tnrhtp_walk_init, tnrhtp_walk_step, tnrhtp_walk_fini }, /* * typegraph does not work under kmdb, as it requires too much memory * for its internal data structures. */ #ifndef _KMDB /* from typegraph.c */ { "typeconflict", "walk buffers with conflicting type inferences", typegraph_walk_init, typeconflict_walk_step }, { "typeunknown", "walk buffers with unknown types", typegraph_walk_init, typeunknown_walk_step }, #endif /* from vfs.c */ { "vfs", "walk file system list", vfs_walk_init, vfs_walk_step }, /* from zone.c */ { "zone", "walk a list of kernel zones", zone_walk_init, zone_walk_step, NULL }, { "zsd", "walk list of zsd entries for a zone", zsd_walk_init, zsd_walk_step, NULL }, { NULL } }; static const mdb_modinfo_t modinfo = { MDB_API_VERSION, dcmds, walkers }; /*ARGSUSED*/ static void genunix_statechange_cb(void *ignored) { /* * Force ::findleaks and ::stacks to let go any cached state. */ leaky_cleanup(1); stacks_cleanup(1); kmem_statechange(); /* notify kmem */ } const mdb_modinfo_t * _mdb_init(void) { kmem_init(); (void) mdb_callback_add(MDB_CALLBACK_STCHG, genunix_statechange_cb, NULL); #ifndef _KMDB gcore_init(); #endif return (&modinfo); } void _mdb_fini(void) { leaky_cleanup(1); stacks_cleanup(1); }