c516499ad4
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
/*-
|
|
* Copyright (c) 1993 The Regents of the University of California.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by the University of
|
|
* California, Berkeley and its contributors.
|
|
* 4. Neither the name of the University nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
#include <sys/param.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/lock.h>
|
|
#include <sys/mutex.h>
|
|
#include <sys/proc.h>
|
|
#include <sys/cons.h>
|
|
|
|
#include <ddb/ddb.h>
|
|
|
|
void
|
|
db_ps(dummy1, dummy2, dummy3, dummy4)
|
|
db_expr_t dummy1;
|
|
boolean_t dummy2;
|
|
db_expr_t dummy3;
|
|
char * dummy4;
|
|
{
|
|
int np;
|
|
int nl = 0;
|
|
volatile struct proc *p, *pp;
|
|
volatile struct thread *td;
|
|
|
|
np = nprocs;
|
|
|
|
if (!LIST_EMPTY(&allproc))
|
|
p = LIST_FIRST(&allproc);
|
|
else
|
|
p = &proc0;
|
|
|
|
db_printf(" pid proc addr uid ppid pgrp flag stat wmesg wchan cmd\n");
|
|
while (--np >= 0) {
|
|
/*
|
|
* XXX just take 20 for now...
|
|
*/
|
|
if (nl++ == 20) {
|
|
int c;
|
|
|
|
db_printf("--More--");
|
|
c = cngetc();
|
|
db_printf("\r");
|
|
/*
|
|
* A whole screenfull or just one line?
|
|
*/
|
|
switch (c) {
|
|
case '\n': /* just one line */
|
|
nl = 20;
|
|
break;
|
|
case ' ':
|
|
nl = 0; /* another screenfull */
|
|
break;
|
|
default: /* exit */
|
|
db_printf("\n");
|
|
return;
|
|
}
|
|
}
|
|
if (p == NULL) {
|
|
printf("oops, ran out of processes early!\n");
|
|
break;
|
|
}
|
|
pp = p->p_pptr;
|
|
if (pp == NULL)
|
|
pp = p;
|
|
|
|
db_printf("%5d %8p %8p %4d %5d %5d %07x %d",
|
|
p->p_pid, (volatile void *)p, (void *)p->p_uarea,
|
|
p->p_ucred ? p->p_ucred->cr_ruid : 0, pp->p_pid,
|
|
p->p_pgrp ? p->p_pgrp->pg_id : 0, p->p_flag, p->p_stat);
|
|
if (p->p_flag & P_KSES) {
|
|
db_printf("(threaded) %s\n", p->p_comm);
|
|
FOREACH_THREAD_IN_PROC(p, td) {
|
|
db_printf( ". . . . . . . "
|
|
". . . . . . . . ");
|
|
if (td->td_wchan) {
|
|
db_printf("%6s %8p", td->td_wmesg,
|
|
(void *)td->td_wchan);
|
|
} else if (p->p_stat == SMTX) {
|
|
db_printf("%6s %8p", td->td_mtxname,
|
|
(void *)td->td_blocked);
|
|
} else {
|
|
db_printf("--not blocked--");
|
|
}
|
|
}
|
|
} else {
|
|
td = &p->p_thread;
|
|
if (td->td_wchan) {
|
|
db_printf(" %6s %8p", td->td_wmesg,
|
|
(void *)td->td_wchan);
|
|
} else if (p->p_stat == SMTX) {
|
|
db_printf(" %6s %8p", td->td_mtxname,
|
|
(void *)td->td_blocked);
|
|
} else {
|
|
db_printf(" ");
|
|
}
|
|
db_printf(" %s\n", p->p_comm);
|
|
}
|
|
p = LIST_NEXT(p, p_list);
|
|
if (p == NULL && np > 0)
|
|
p = LIST_FIRST(&zombproc);
|
|
}
|
|
}
|