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Improve ddb 'show pgrpdump' command.

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Use ddb pager.
Make lines more compact.
Eliminate unneeded casts.
Print more job-control related info when reporting process group.

Tested by:	pho
Sponsored by:	The FreeBSD Foundation
MFC after:	1 week
Differential revision:	https://reviews.freebsd.org/D26416
This commit is contained in:
Konstantin Belousov 2020-09-16 21:34:18 +00:00
parent 016b7c7e39
commit 82207cd246
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=365811
1 changed files with 17 additions and 11 deletions
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28
sys/kern/kern_proc.c
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@ -995,6 +995,16 @@ sess_release(struct session *s)
#ifdef DDB
static void
db_print_pgrp_one(struct pgrp *pgrp, struct proc *p)
{
db_printf(
" pid %d at %p pr %d pgrp %p e %d jc %d\n",
p->p_pid, p, p->p_pptr == NULL ? -1 : p->p_pptr->p_pid,
p->p_pgrp, (p->p_treeflag & P_TREE_GRPEXITED) != 0,
p->p_pptr == NULL ? 0 : isjobproc(p->p_pptr, pgrp));
}
DB_SHOW_COMMAND(pgrpdump, pgrpdump)
{
struct pgrp *pgrp;
@ -1003,19 +1013,15 @@ DB_SHOW_COMMAND(pgrpdump, pgrpdump)
for (i = 0; i <= pgrphash; i++) {
if (!LIST_EMPTY(&pgrphashtbl[i])) {
printf("\tindx %d\n", i);
db_printf("indx %d\n", i);
LIST_FOREACH(pgrp, &pgrphashtbl[i], pg_hash) {
printf(
"\tpgrp %p, pgid %ld, sess %p, sesscnt %d, mem %p\n",
(void *)pgrp, (long)pgrp->pg_id,
(void *)pgrp->pg_session,
db_printf(
" pgrp %p, pgid %d, sess %p, sesscnt %d, mem %p\n",
pgrp, (int)pgrp->pg_id, pgrp->pg_session,
pgrp->pg_session->s_count,
(void *)LIST_FIRST(&pgrp->pg_members));
LIST_FOREACH(p, &pgrp->pg_members, p_pglist) {
printf("\t\tpid %ld addr %p pgrp %p\n",
(long)p->p_pid, (void *)p,
(void *)p->p_pgrp);
}
LIST_FIRST(&pgrp->pg_members));
LIST_FOREACH(p, &pgrp->pg_members, p_pglist)
db_print_pgrp_one(pgrp, p);
}
}
}