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| author | Andriy Gapon <avg@FreeBSD.org> | 2017-03-11 15:57:36 +0000 |
|---|---|---|
| committer | Andriy Gapon <avg@FreeBSD.org> | 2017-03-11 15:57:36 +0000 |
| commit | 28ef18b8c1abf8859fb74c26c6cecbe4c50b1318 (patch) | |
| tree | 7cace7df21c038a36459c5c9a76b503e7de7c9ad /sys/kern | |
| parent | 6c9271a918fe4ebadb5a9ee73ffdc9fdc3fc7aee (diff) | |
| download | src-28ef18b8c1abf8859fb74c26c6cecbe4c50b1318.tar.gz src-28ef18b8c1abf8859fb74c26c6cecbe4c50b1318.zip | |
trace thread running state when a thread is run for the first time
This applies to both KTR_SCHED and DTrace sched:::on-cpu tracing.
MFC after: 10 days
Notes
Notes:
svn path=/head/; revision=315075
Diffstat (limited to 'sys/kern')
| -rw-r--r-- | sys/kern/sched_4bsd.c | 4 | ||||
| -rw-r--r-- | sys/kern/sched_ule.c | 4 |
2 files changed, 8 insertions, 0 deletions
diff --git a/sys/kern/sched_4bsd.c b/sys/kern/sched_4bsd.c index 534f59cd5a42..27d69a275c3f 100644 --- a/sys/kern/sched_4bsd.c +++ b/sys/kern/sched_4bsd.c @@ -1666,6 +1666,10 @@ sched_fork_exit(struct thread *td) lock_profile_obtain_lock_success(&sched_lock.lock_object, 0, 0, __FILE__, __LINE__); THREAD_LOCK_ASSERT(td, MA_OWNED | MA_NOTRECURSED); + + KTR_STATE1(KTR_SCHED, "thread", sched_tdname(td), "running", + "prio:%d", td->td_priority); + SDT_PROBE0(sched, , , on__cpu); } char * diff --git a/sys/kern/sched_ule.c b/sys/kern/sched_ule.c index a2d76ddcd81e..12a829c19a38 100644 --- a/sys/kern/sched_ule.c +++ b/sys/kern/sched_ule.c @@ -2756,6 +2756,10 @@ sched_fork_exit(struct thread *td) TDQ_LOCK_ASSERT(tdq, MA_OWNED | MA_NOTRECURSED); lock_profile_obtain_lock_success( &TDQ_LOCKPTR(tdq)->lock_object, 0, 0, __FILE__, __LINE__); + + KTR_STATE1(KTR_SCHED, "thread", sched_tdname(td), "running", + "prio:%d", td->td_priority); + SDT_PROBE0(sched, , , on__cpu); } /* |