[PATCH 12/23 -v8] Add context switch marker to sched.c

From: Steven Rostedt
Date: Wed Jan 30 2008 - 16:07:52 EST


Add marker into context_switch to record the prev and next tasks.

Signed-off-by: Steven Rostedt <srostedt@xxxxxxxxxx>
---
kernel/sched.c | 2 ++
1 file changed, 2 insertions(+)

Index: linux-mcount.git/kernel/sched.c
===================================================================
--- linux-mcount.git.orig/kernel/sched.c 2008-01-30 14:36:00.000000000 -0500
+++ linux-mcount.git/kernel/sched.c 2008-01-30 15:25:31.000000000 -0500
@@ -2198,6 +2198,8 @@ context_switch(struct rq *rq, struct tas
struct mm_struct *mm, *oldmm;

prepare_task_switch(rq, prev, next);
+ trace_mark(kernel_sched_schedule,
+ "prev %p next %p", prev, next);
mm = next->mm;
oldmm = prev->active_mm;
/*

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