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| author | jhb <jhb@FreeBSD.org> | 2015-06-13 16:15:43 +0000 |
|---|---|---|
| committer | jhb <jhb@FreeBSD.org> | 2015-06-13 16:15:43 +0000 |
| commit | 7b9316ff5034c3ba83b38c790f78c3658e5135da (patch) | |
| tree | ef6220118e54aaed7447bdcd6b2dcaabf3aa3777 /sys/kern/kern_exit.c | |
| parent | f014bfc33c51a646ad445d66106a905fa8293821 (diff) | |
| download | FreeBSD-src-7b9316ff5034c3ba83b38c790f78c3658e5135da.zip FreeBSD-src-7b9316ff5034c3ba83b38c790f78c3658e5135da.tar.gz | |
MFC 283546:
Add KTR tracing for some MI ptrace events.
Diffstat (limited to 'sys/kern/kern_exit.c')
| -rw-r--r-- | sys/kern/kern_exit.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/sys/kern/kern_exit.c b/sys/kern/kern_exit.c index 02f0cfe..9c72442 100644 --- a/sys/kern/kern_exit.c +++ b/sys/kern/kern_exit.c @@ -531,6 +531,8 @@ exit1(struct thread *td, int rv) */ while ((q = LIST_FIRST(&p->p_orphans)) != NULL) { PROC_LOCK(q); + CTR2(KTR_PTRACE, "exit: pid %d, clearing orphan %d", p->p_pid, + q->p_pid); clear_orphan(q); PROC_UNLOCK(q); } @@ -865,6 +867,9 @@ proc_reap(struct thread *td, struct proc *p, int *status, int options) t = proc_realparent(p); PROC_LOCK(t); PROC_LOCK(p); + CTR2(KTR_PTRACE, + "wait: traced child %d moved back to parent %d", p->p_pid, + t->p_pid); proc_reparent(p, t); p->p_oppid = 0; PROC_UNLOCK(p); @@ -1219,6 +1224,10 @@ loop: PROC_UNLOCK(q); } + CTR4(KTR_PTRACE, + "wait: returning trapped pid %d status %#x (xstat %d) xthread %d", + p->p_pid, W_STOPCODE(p->p_xstat), p->p_xstat, + p->p_xthread != NULL ? p->p_xthread->td_tid : -1); PROC_UNLOCK(p); return (0); } |
