diff options
| author | jhb <jhb@FreeBSD.org> | 2012-03-08 19:41:05 +0000 |
|---|---|---|
| committer | jhb <jhb@FreeBSD.org> | 2012-03-08 19:41:05 +0000 |
| commit | 4fea355eb2254754b2e522d87d81c5562252116a (patch) | |
| tree | 2da9212f02713305c4064fc6709c0a7a490815ce /sys/kern/kern_thr.c | |
| parent | 486b631cb38cbd91bd7a8f6ab87a6d0ecdf7a8ac (diff) | |
| download | FreeBSD-src-4fea355eb2254754b2e522d87d81c5562252116a.zip FreeBSD-src-4fea355eb2254754b2e522d87d81c5562252116a.tar.gz | |
Add a new sched_clear_name() method to the scheduler interface to clear
the cached name used for KTR_SCHED traces when a thread's name changes.
This way KTR_SCHED traces (and thus schedgraph) will notice when a thread's
name changes, most commonly via execve().
MFC after: 2 weeks
Diffstat (limited to 'sys/kern/kern_thr.c')
| -rw-r--r-- | sys/kern/kern_thr.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/sys/kern/kern_thr.c b/sys/kern/kern_thr.c index a5d9692..f283afb 100644 --- a/sys/kern/kern_thr.c +++ b/sys/kern/kern_thr.c @@ -548,6 +548,9 @@ sys_thr_set_name(struct thread *td, struct thr_set_name_args *uap) if (ttd == NULL) return (ESRCH); strcpy(ttd->td_name, name); +#ifdef KTR + sched_clear_tdname(ttd); +#endif PROC_UNLOCK(p); return (error); } |
