From 97cb4dc4e806cd52ea1c415bcd081f08c49b776d Mon Sep 17 00:00:00 2001
From: "Bjoern B. Brandenburg" <bbb@cs.unc.edu>
Date: Wed, 26 Jan 2011 16:56:06 -0500
Subject: Allow tracing of 'pull timer' events

How long does it take to program a remote timer on a remote CPU?

[semi-part backport]
---
 kernel/hrtimer.c | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'kernel')

diff --git a/kernel/hrtimer.c b/kernel/hrtimer.c
index fdf95968e517..23d3712012f4 100644
--- a/kernel/hrtimer.c
+++ b/kernel/hrtimer.c
@@ -47,6 +47,7 @@
 #include <linux/timer.h>
 
 #include <litmus/litmus.h>
+#include <litmus/trace.h>
 
 #include <asm/uaccess.h>
 
@@ -1063,6 +1064,7 @@ void hrtimer_pull(void)
 	struct hrtimer_start_on_info *info;
 	struct list_head *pos, *safe, list;
 
+	TS_PULL_TIMER_START;
 	raw_spin_lock(&base->lock);
 	list_replace_init(&base->to_pull, &list);
 	raw_spin_unlock(&base->lock);
@@ -1073,6 +1075,7 @@ void hrtimer_pull(void)
 		list_del(pos);
 		hrtimer_start(info->timer, info->time, info->mode);
 	}
+	TS_PULL_TIMER_END;
 }
 
 /**
-- 
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