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tracing/sched: Add sched_pi_setprio tracepoint

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Add a tracepoint that shows the priority of a task being boosted
via priority inheritance.

Cc: Gregory Haskins <[email protected]>
Acked-by: Peter Zijlstra <[email protected]>
Signed-off-by: Steven Rostedt <[email protected]>
This commit is contained in:
Steven Rostedt 2010-09-20 15:13:34 -04:00 • committed by Steven Rostedt
commit a8027073eb
2 changed files with 30 additions and 0 deletions
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1
kernel/sched.c
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@ -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;