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authorSteven Rostedt <srostedt@redhat.com>2010-09-20 15:13:34 -0400
committerSteven Rostedt <rostedt@goodmis.org>2010-09-21 10:56:41 -0400
commita8027073eb127cd207070891374b5c54c2ce3d23 (patch)
tree27f5dc8effe3b5636d4bab9c890a40aa20fa44e6 /kernel/sched.c
parentb3bc211cfe7d5fe94b310480d78e00bea96fbf2a (diff)
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tracing/sched: Add sched_pi_setprio tracepoint
Add a tracepoint that shows the priority of a task being boosted via priority inheritance. Cc: Gregory Haskins <ghaskins@novell.com> Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Diffstat (limited to 'kernel/sched.c')
-rw-r--r--kernel/sched.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/kernel/sched.c b/kernel/sched.c
index 9ca8ad05950..4ad47381435 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -4355,6 +4355,7 @@ void rt_mutex_setprio(struct task_struct *p, int prio)
rq = task_rq_lock(p, &flags);
+ trace_sched_pi_setprio(p, prio);
oldprio = p->prio;
prev_class = p->sched_class;
on_rq = p->se.on_rq;