2 * Copyright (c) 1993 The Regents of the University of California.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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
33 * $FreeBSD: src/sys/ddb/db_ps.c,v 1.20 1999/08/28 00:41:09 peter Exp $
34 * $DragonFly: src/sys/ddb/db_ps.c,v 1.25 2008/06/29 21:38:21 dillon Exp $
36 #include <sys/param.h>
37 #include <sys/systm.h>
43 static void db_dump_td_tokens(thread_t td);
46 db_ps(db_expr_t dummy1, boolean_t dummy2, db_expr_t dummy3, char *dummy4)
51 volatile struct proc *p, *pp;
56 if (allproc.lh_first != NULL)
60 lp = FIRST_LWP_IN_PROC(__DEVOLATILE(struct proc *, p));
64 db_printf(" pid lwp uid ppid pgrp pflag lflag stat wmesg wchan cmd\n");
68 p = p->p_list.le_next;
69 if (p == NULL && np > 0)
70 p = zombproc.lh_first;
73 lp = FIRST_LWP_IN_PROC(__DEVOLATILE(struct proc *, p));
76 * XXX just take 20 for now...
81 kprintf("oops, ran out of processes early!\n");
88 db_printf("%5d %8p %4d %5d %5d %06x %06x %d %d",
89 p->p_pid, (volatile void *)lp,
90 p->p_ucred ? p->p_ucred->cr_ruid : 0, pp->p_pid,
91 p->p_pgrp ? p->p_pgrp->pg_id : 0, p->p_flag,
92 lp->lwp_flag, p->p_stat, lp->lwp_stat);
95 (lp->lwp_wmesg ? lp->lwp_wmesg : "?"),
100 db_printf(" %s\n", p->p_comm ? p->p_comm : "");
101 db_dump_td_tokens(lp->lwp_thread);
103 lp = lwp_rb_tree_RB_NEXT(lp);
107 * Dump running threads
109 for (cpuidx = 0; cpuidx < ncpus; ++cpuidx) {
110 struct globaldata *gd = &CPU_prvspace[cpuidx].mdglobaldata.mi;
114 if (db_more(&nl) < 0)
116 db_printf("cpu %d tdrunqmask %08x curthread %p reqflags %04x\n",
117 gd->gd_cpuid, gd->gd_runqmask,
118 gd->gd_curthread, gd->gd_reqflags);
119 if (gd->gd_curthread && gd->gd_curthread->td_preempted) {
120 db_printf(" PREEMPTING THREAD %p\n",
121 gd->gd_curthread->td_preempted);
124 if (db_more(&nl) < 0)
126 db_printf(" INCOMING IPIQS:");
127 for (j = 0; j < ncpus; ++j) {
128 lwkt_ipiq_t ip = globaldata_find(j)->gd_ipiq;
131 if (ip->ip_windex != ip->ip_rindex)
132 db_printf(" cpu%d:%d", j, ip->ip_windex - ip->ip_rindex);
137 if (db_more(&nl) < 0)
139 db_printf(" tdq thread pid flags pri/cs/mp sp wmesg comm\n");
140 for (np = 0; np < 32; ++np) {
141 TAILQ_FOREACH(td, &gd->gd_tdrunq[np], td_threadq) {
142 if (db_more(&nl) < 0)
144 db_printf(" %3d %p %3d %08x %2d/%02d/%02d %p %8.8s %s\n",
146 (td->td_proc ? td->td_proc->p_pid : -1),
148 td->td_pri & TDPRI_MASK,
149 td->td_pri / TDPRI_CRIT,
156 td->td_wmesg ? td->td_wmesg : "-",
157 td->td_proc ? td->td_proc->p_comm : td->td_comm);
158 if (td->td_preempted)
159 db_printf(" PREEMPTING THREAD %p\n", td->td_preempted);
160 db_dump_td_tokens(td);
163 if (db_more(&nl) < 0)
166 if (db_more(&nl) < 0)
168 db_printf(" tdq thread pid flags pri/cs/mp sp wmesg comm\n");
169 TAILQ_FOREACH(td, &gd->gd_tdallq, td_allq) {
170 if (db_more(&nl) < 0)
172 db_printf(" %3d %p %3d %08x %2d/%02d/%02d %p %8.8s %s\n",
174 (td->td_proc ? td->td_proc->p_pid : -1),
176 td->td_pri & TDPRI_MASK,
177 td->td_pri / TDPRI_CRIT,
184 td->td_wmesg ? td->td_wmesg : "-",
185 td->td_proc ? td->td_proc->p_comm : td->td_comm);
186 db_dump_td_tokens(td);
189 if (db_more(&nl) < 0)
191 db_printf("CURCPU %d CURTHREAD %p (%d)\n",
194 (curthread->td_proc ? curthread->td_proc->p_pid : -1));
195 db_dump_td_tokens(curthread);
199 db_dump_td_tokens(thread_t td)
204 if (TD_TOKS_NOT_HELD(td))
206 db_printf(" TOKENS:");
207 for (ref = &td->td_toks_base; ref < td->td_toks_stop; ++ref) {
210 db_printf(" %p[tok=%p", ref, ref->tr_tok);
212 if (td == tok->t_ref->tr_owner)