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authorPeter Zijlstra <peterz@infradead.org>2008-12-10 08:08:22 +0100
committerIngo Molnar <mingo@elte.hu>2008-12-12 12:08:26 +0100
commitcbc34ed1ac36690f75fd272e19e7b4fc29aae5a2 (patch)
treebe0c1e0d4ed4eab1c9385198372dc64de50c9f1b /kernel
parentf3134de60624829a57741c1f3796847d4de165f6 (diff)
downloadlwn-cbc34ed1ac36690f75fd272e19e7b4fc29aae5a2.tar.gz
lwn-cbc34ed1ac36690f75fd272e19e7b4fc29aae5a2.zip
sched: fix tracepoints in scheduler
The trace point only caught one of many places where a task changes cpu, put it in the right place to we get all of them. Change the signature while we're at it. Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel')
-rw-r--r--kernel/sched.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/kernel/sched.c b/kernel/sched.c
index 7729c4bbc8ba..d377097572f9 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -1851,6 +1851,8 @@ void set_task_cpu(struct task_struct *p, unsigned int new_cpu)
clock_offset = old_rq->clock - new_rq->clock;
+ trace_sched_migrate_task(p, task_cpu(p), new_cpu);
+
#ifdef CONFIG_SCHEDSTATS
if (p->se.wait_start)
p->se.wait_start -= clock_offset;
@@ -2868,7 +2870,6 @@ static void sched_migrate_task(struct task_struct *p, int dest_cpu)
|| unlikely(!cpu_active(dest_cpu)))
goto out;
- trace_sched_migrate_task(rq, p, dest_cpu);
/* force the process onto the specified CPU */
if (migrate_task(p, dest_cpu, &req)) {
/* Need to wait for migration thread (might exit: take ref). */