[RFC PATCH 15/23 -v4] Add context switch marker to sched.c

[Steven Rostedt]

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	2008-01-18 23:46:17.000000000 -0500
+++ linux-mcount.git/kernel/sched.c	2008-01-18 23:49:23.000000000 -0500
@@ -1933,6 +1933,8 @@ 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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