kernel: Make SMP support default (and non-optional).
[dragonfly.git] / sys / ddb / db_ps.c
CommitLineData
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1/*-
2 * Copyright (c) 1993 The Regents of the University of California.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 *
33 * $FreeBSD: src/sys/ddb/db_ps.c,v 1.20 1999/08/28 00:41:09 peter Exp $
34 */
35#include <sys/param.h>
36#include <sys/systm.h>
37#include <sys/proc.h>
38#include <sys/cons.h>
39
40#include <ddb/ddb.h>
41
41a01a4d
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42static void db_dump_td_tokens(thread_t td);
43
984263bc 44void
2c9702b2 45db_ps(db_expr_t dummy1, boolean_t dummy2, db_expr_t dummy3, char *dummy4)
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46{
47 int np;
96728c05 48 int cpuidx;
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49 int nl = 0;
50 volatile struct proc *p, *pp;
08f2f1bb 51 struct lwp *lp;
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52
53 np = nprocs;
54
55 if (allproc.lh_first != NULL)
56 p = allproc.lh_first;
57 else
58 p = &proc0;
3e291793 59 lp = FIRST_LWP_IN_PROC(__DEVOLATILE(struct proc *, p));
984263bc 60
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61 if (db_more(&nl) < 0)
62 return;
4643740a 63 db_printf(" pid lwp uid ppid pgrp pflags lflags stat wmesg wchan cmd\n");
c7e98b2f 64 for (;;) {
9daaf3d3
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65 while (lp == NULL) {
66 --np;
67 p = p->p_list.le_next;
68 if (p == NULL && np > 0)
69 p = zombproc.lh_first;
70 if (p == NULL)
71 break;
72 lp = FIRST_LWP_IN_PROC(__DEVOLATILE(struct proc *, p));
73 }
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74 /*
75 * XXX just take 20 for now...
76 */
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77 if (db_more(&nl) < 0)
78 return;
984263bc 79 if (p == NULL) {
26be20a0 80 kprintf("oops, ran out of processes early!\n");
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81 break;
82 }
83 pp = p->p_pptr;
84 if (pp == NULL)
85 pp = p;
86
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87 db_printf("%5d %8p %4d %5d %5d %06x %06x %d %d",
88 p->p_pid, (volatile void *)lp,
41c20dac 89 p->p_ucred ? p->p_ucred->cr_ruid : 0, pp->p_pid,
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90 p->p_pgrp ? p->p_pgrp->pg_id : 0, p->p_flags,
91 lp->lwp_flags, p->p_stat, lp->lwp_stat);
08f2f1bb 92 if (lp->lwp_wchan) {
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93 db_printf(" %6s %8p",
94 (lp->lwp_wmesg ? lp->lwp_wmesg : "?"),
95 lp->lwp_wchan);
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96 } else {
97 db_printf(" ");
98 }
99 db_printf(" %s\n", p->p_comm ? p->p_comm : "");
08f2f1bb 100 db_dump_td_tokens(lp->lwp_thread);
984263bc 101
3e291793 102 lp = lwp_rb_tree_RB_NEXT(lp);
984263bc 103 }
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104
105 /*
106 * Dump running threads
107 */
96728c05 108 for (cpuidx = 0; cpuidx < ncpus; ++cpuidx) {
96728c05 109 struct globaldata *gd = &CPU_prvspace[cpuidx].mdglobaldata.mi;
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110 thread_t td;
111 int j;
96728c05 112
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113 if (db_more(&nl) < 0)
114 return;
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115 db_printf("cpu %d curthread %p reqflags %04x\n",
116 gd->gd_cpuid, gd->gd_curthread, gd->gd_reqflags);
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117 if (gd->gd_curthread && gd->gd_curthread->td_preempted) {
118 db_printf(" PREEMPTING THREAD %p\n",
119 gd->gd_curthread->td_preempted);
120 }
79bfc874 121
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122 if (db_more(&nl) < 0)
123 return;
3f625015 124 db_printf(" INCOMING IPIQS:");
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125 for (j = 0; j < ncpus; ++j) {
126 lwkt_ipiq_t ip = globaldata_find(j)->gd_ipiq;
127 if (ip != NULL) {
128 ip = &ip[cpuidx];
129 if (ip->ip_windex != ip->ip_rindex)
130 db_printf(" cpu%d:%d", j, ip->ip_windex - ip->ip_rindex);
131 }
132 }
133 db_printf("\n");
134
135 if (db_more(&nl) < 0)
136 return;
728faa08 137 db_printf(" tdq thread pid flags pri/cs/mp sp wmesg wchan comm\n");
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138 TAILQ_FOREACH(td, &gd->gd_tdrunq, td_threadq) {
139 if (db_more(&nl) < 0)
140 return;
728faa08 141 db_printf(" %p %3d %08x %2d/%02d %p %8.8s %p %s\n",
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142 td,
143 (td->td_proc ? td->td_proc->p_pid : -1),
144 td->td_flags,
145 td->td_pri,
146 td->td_critcount,
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147 td->td_sp,
148 td->td_wmesg ? td->td_wmesg : "-",
728faa08 149 td->td_wchan,
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150 td->td_proc ? td->td_proc->p_comm : td->td_comm);
151 if (td->td_preempted)
152 db_printf(" PREEMPTING THREAD %p\n", td->td_preempted);
153 db_dump_td_tokens(td);
96728c05 154 }
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155 if (db_more(&nl) < 0)
156 return;
96728c05 157 db_printf("\n");
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158 if (db_more(&nl) < 0)
159 return;
728faa08 160 db_printf(" tdq thread pid flags pri/cs/mp sp wmesg wchan comm\n");
96728c05 161 TAILQ_FOREACH(td, &gd->gd_tdallq, td_allq) {
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162 if (td->td_flags & TDF_MARKER)
163 continue;
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164 if (db_more(&nl) < 0)
165 return;
728faa08 166 db_printf(" %3d %p %3d %08x %2d/%02d %p %8.8s %p %s\n",
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167 np, td,
168 (td->td_proc ? td->td_proc->p_pid : -1),
e93c7fb5 169 td->td_flags,
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170 td->td_pri,
171 td->td_critcount,
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172 td->td_sp,
173 td->td_wmesg ? td->td_wmesg : "-",
728faa08 174 td->td_wchan,
96728c05 175 td->td_proc ? td->td_proc->p_comm : td->td_comm);
41a01a4d 176 db_dump_td_tokens(td);
96728c05 177 }
26a0694b 178 }
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179 if (db_more(&nl) < 0)
180 return;
52eedfb5 181 db_printf("CURCPU %d CURTHREAD %p (%d)\n",
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182 mycpu->gd_cpuid,
183 curthread,
52eedfb5 184 (curthread->td_proc ? curthread->td_proc->p_pid : -1));
41a01a4d 185 db_dump_td_tokens(curthread);
984263bc 186}
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187
188static void
189db_dump_td_tokens(thread_t td)
190{
191 lwkt_tokref_t ref;
192 lwkt_token_t tok;
193
3b998fa9 194 if (TD_TOKS_NOT_HELD(td))
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195 return;
196 db_printf(" TOKENS:");
3b998fa9 197 for (ref = &td->td_toks_base; ref < td->td_toks_stop; ++ref) {
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198 tok = ref->tr_tok;
199
200 db_printf(" %p[tok=%p", ref, ref->tr_tok);
f9235b6d 201 if (tok->t_ref && td == tok->t_ref->tr_owner)
41a01a4d 202 db_printf(",held");
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203 db_printf("]");
204 }
205 db_printf("\n");
206}
207