8ceded814a
growth in the number of flags used. Also, if a thread is blocked on a mutex, print the mutex name in the wait channel column.
134 lines
3.9 KiB
C
134 lines
3.9 KiB
C
/*-
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* Copyright (c) 1993 The Regents of the University of California.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/lock.h>
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#include <sys/mutex.h>
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#include <sys/proc.h>
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#include <sys/cons.h>
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#include <ddb/ddb.h>
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void
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db_ps(dummy1, dummy2, dummy3, dummy4)
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db_expr_t dummy1;
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boolean_t dummy2;
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db_expr_t dummy3;
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char * dummy4;
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{
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int np;
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int nl = 0;
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volatile struct proc *p, *pp;
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volatile struct thread *td;
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np = nprocs;
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if (!LIST_EMPTY(&allproc))
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p = LIST_FIRST(&allproc);
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else
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p = &proc0;
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db_printf(" pid proc addr uid ppid pgrp flag stat wmesg wchan cmd\n");
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while (--np >= 0) {
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/*
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* XXX just take 20 for now...
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*/
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if (nl++ == 20) {
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int c;
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db_printf("--More--");
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c = cngetc();
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db_printf("\r");
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/*
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* A whole screenfull or just one line?
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*/
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switch (c) {
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case '\n': /* just one line */
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nl = 20;
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break;
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case ' ':
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nl = 0; /* another screenfull */
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break;
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default: /* exit */
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db_printf("\n");
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return;
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}
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}
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if (p == NULL) {
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printf("oops, ran out of processes early!\n");
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break;
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}
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pp = p->p_pptr;
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if (pp == NULL)
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pp = p;
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db_printf("%5d %8p %8p %4d %5d %5d %07x %d",
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p->p_pid, (volatile void *)p, (void *)p->p_uarea,
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p->p_ucred ? p->p_ucred->cr_ruid : 0, pp->p_pid,
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p->p_pgrp ? p->p_pgrp->pg_id : 0, p->p_flag, p->p_stat);
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if (p->p_flag & P_KSES) {
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db_printf("(threaded) %s\n", p->p_comm);
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FOREACH_THREAD_IN_PROC(p, td) {
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db_printf( ". . . . . . . "
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". . . . . . . . ");
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if (td->td_wchan) {
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db_printf("%6s %8p", td->td_wmesg,
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(void *)td->td_wchan);
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} else if (p->p_stat == SMTX) {
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db_printf("%6s %8p", td->td_mtxname,
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(void *)td->td_blocked);
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} else {
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db_printf("--not blocked--");
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}
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}
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} else {
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td = &p->p_thread;
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if (td->td_wchan) {
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db_printf(" %6s %8p", td->td_wmesg,
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(void *)td->td_wchan);
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} else if (p->p_stat == SMTX) {
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db_printf(" %6s %8p", td->td_mtxname,
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(void *)td->td_blocked);
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} else {
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db_printf(" ");
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}
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db_printf(" %s\n", p->p_comm);
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}
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p = LIST_NEXT(p, p_list);
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if (p == NULL && np > 0)
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p = LIST_FIRST(&zombproc);
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}
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}
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