From 39a0fa94e5a3a723e2432a8e0ce07136df5d2dc0 Mon Sep 17 00:00:00 2001
From: Zhang Dongxing <dongxing.zhang@intel.com>
Date: Wed, 16 Nov 2011 14:08:23 +0800
Subject: [PATCH] [PORT FROM R2]POWERDK: Powerdk upgrade for enhancements for
 android wuwatch

BZ: 17764

Powerdk upgrade for enancements for android wuwatch version 2.2.2
release.

Signed-off-by: Zhang Dongxing <dongxing.zhang@intel.com>

Change-Id: I5a64d6068a28e70808f1c6b6cbef31ad73b640e7
Org-Change-Id: I5c1851bc119079e8b48cdaa6a3585c6d967b28b6
Reviewed-on: http://android.intel.com:8080/28038
Reviewed-by: Zhang, Dongxing <dongxing.zhang@intel.com>
Reviewed-by: Guerard, Christophe <christophe.guerard@intel.com>
Tested-by: Zhang, Dongxing <dongxing.zhang@intel.com>
Reviewed-by: buildbot <buildbot@intel.com>
Tested-by: buildbot <buildbot@intel.com>
---
 include/trace/events/wakelock.h | 48 +++++++++++++++++++++++++++++++++++++++++
 kernel/power/wakelock.c         | 14 ++++++++++++
 2 files changed, 62 insertions(+)
 create mode 100644 include/trace/events/wakelock.h

diff --git a/include/trace/events/wakelock.h b/include/trace/events/wakelock.h
new file mode 100644
index 0000000..1e729c7
--- /dev/null
+++ b/include/trace/events/wakelock.h
@@ -0,0 +1,48 @@
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM wakelock
+
+#if !defined(_TRACE_WAKELOCK_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_WAKELOCK_H
+
+#include <linux/ktime.h>
+#include <linux/tracepoint.h>
+#include <linux/wakelock.h>
+
+TRACE_EVENT(wake_lock,
+
+	TP_PROTO(struct wake_lock *lock),
+
+	TP_ARGS(lock),
+
+	TP_STRUCT__entry(
+	         __field( void *,    lock   )
+	),
+
+	TP_fast_assign(
+	    __entry->lock  = lock;
+	),
+
+	TP_printk("timer=%p", __entry->lock)
+);
+
+TRACE_EVENT(wake_unlock,
+
+	TP_PROTO(struct wake_lock *lock),
+
+	TP_ARGS(lock),
+
+	TP_STRUCT__entry(
+	         __field( void *,    lock   )
+	),
+
+	TP_fast_assign(
+	    __entry->lock  = lock;
+	),
+
+	TP_printk("timer=%p", __entry->lock)
+);
+
+#endif /* _TRACE_WAKELOCK_H */
+
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/kernel/power/wakelock.c b/kernel/power/wakelock.c
index 81e1b7c..d8aa156 100644
--- a/kernel/power/wakelock.c
+++ b/kernel/power/wakelock.c
@@ -19,6 +19,13 @@
 #include <linux/suspend.h>
 #include <linux/syscalls.h> /* sys_sync */
 #include <linux/wakelock.h>
+
+#ifndef CREATE_TRACE_POINTS
+#define CREATE_TRACE_POINTS
+#include <trace/events/wakelock.h>
+#undef CREATE_TRACE_POINTS
+#endif
+
 #ifdef CONFIG_WAKELOCK_STAT
 #include <linux/proc_fs.h>
 #endif
@@ -490,12 +497,16 @@ static void wake_lock_internal(
 void wake_lock(struct wake_lock *lock)
 {
 	wake_lock_internal(lock, 0, 0);
+
+	trace_wake_lock(lock);
 }
 EXPORT_SYMBOL(wake_lock);
 
 void wake_lock_timeout(struct wake_lock *lock, long timeout)
 {
 	wake_lock_internal(lock, timeout, 1);
+
+	trace_wake_lock(lock);
 }
 EXPORT_SYMBOL(wake_lock_timeout);
 
@@ -503,6 +514,9 @@ void wake_unlock(struct wake_lock *lock)
 {
 	int type;
 	unsigned long irqflags;
+
+	trace_wake_unlock(lock);
+
 	spin_lock_irqsave(&list_lock, irqflags);
 	type = lock->flags & WAKE_LOCK_TYPE_MASK;
 #ifdef CONFIG_WAKELOCK_STAT
-- 
2.7.4