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Make the flag field in the ps output one char wider to account for recent

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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.
This commit is contained in:
John Baldwin 2001-10-20 03:22:23 +00:00
parent dd79258102
commit c516499ad4
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=85207
1 changed files with 13 additions and 6 deletions
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19
sys/ddb/db_ps.c
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@ -51,6 +51,7 @@ db_ps(dummy1, dummy2, dummy3, dummy4)
int np;
int nl = 0;
volatile struct proc *p, *pp;
volatile struct thread *td;
np = nprocs;
@ -59,7 +60,7 @@ db_ps(dummy1, dummy2, dummy3, dummy4)
else
p = &proc0;
db_printf(" pid proc addr uid ppid pgrp flag stat wmesg wchan cmd\n");
db_printf(" pid proc addr uid ppid pgrp flag stat wmesg wchan cmd\n");
while (--np >= 0) {
/*
* XXX just take 20 for now...
@ -93,12 +94,11 @@ db_ps(dummy1, dummy2, dummy3, dummy4)
if (pp == NULL)
pp = p;
db_printf("%5d %8p %8p %4d %5d %5d %06x %d",
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) {
struct thread *td;
db_printf("(threaded) %s\n", p->p_comm);
FOREACH_THREAD_IN_PROC(p, td) {
db_printf( ". . . . . . . "
@ -106,14 +106,21 @@ db_ps(dummy1, dummy2, dummy3, dummy4)
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 {
if (p->p_thread.td_wchan) {
db_printf(" %6s %8p", p->p_thread.td_wmesg,
(void *)p->p_thread.td_wchan);
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(" ");
}