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authorPeter Zijlstra <peterz@infradead.org>2015-09-28 18:06:56 +0200
committerIngo Molnar <mingo@kernel.org>2015-10-06 17:08:15 +0200
commitc73464b1c8434ad4cbfd5369c3e724f3e8ffe5a4 (patch)
tree3823bb8bc9fe7f97a6e26283354e62e96a7680fd /kernel/sched
parentfc13aebab7d8f0d19d557c721a0f25cdf7ae905c (diff)
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sched/core: Fix trace_sched_switch()
__trace_sched_switch_state() is the last remaining PREEMPT_ACTIVE user, move trace_sched_switch() from prepare_task_switch() to __schedule() and propagate the @preempt argument. Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Reviewed-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Steven Rostedt <rostedt@goodmis.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Mike Galbraith <efault@gmx.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: linux-kernel@vger.kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/sched')
-rw-r--r--kernel/sched/core.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 0a71f89..cfad7f5 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -2470,7 +2470,6 @@ static inline void
prepare_task_switch(struct rq *rq, struct task_struct *prev,
struct task_struct *next)
{
- trace_sched_switch(prev, next);
sched_info_switch(rq, prev, next);
perf_event_task_sched_out(prev, next);
fire_sched_out_preempt_notifiers(prev, next);
@@ -3132,6 +3131,7 @@ static void __sched __schedule(bool preempt)
rq->curr = next;
++*switch_count;
+ trace_sched_switch(preempt, prev, next);
rq = context_switch(rq, prev, next); /* unlocks the rq */
cpu = cpu_of(rq);
} else {
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