linux-kernel - [tip:perf/core] tracing: Convert some power events to DEFINE

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Date:	Thu, 26 Nov 2009 08:43:31 GMT
From:	tip-bot for Li Zefan <lizf@...fujitsu.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...hat.com,
	lizf@...fujitsu.com, arjan@...radead.org, fweisbec@...il.com,
	rostedt@...dmis.org, tglx@...utronix.de, mingo@...e.hu
Subject: [tip:perf/core] tracing: Convert some power events to DEFINE_EVENT

Commit-ID:  7703466b4c0a21b88d701882bef0d45bcb0a0281
Gitweb:     http://git.kernel.org/tip/7703466b4c0a21b88d701882bef0d45bcb0a0281
Author:     Li Zefan <lizf@...fujitsu.com>
AuthorDate: Thu, 26 Nov 2009 15:05:38 +0800
Committer:  Ingo Molnar <mingo@...e.hu>
CommitDate: Thu, 26 Nov 2009 09:14:03 +0100

tracing: Convert some power events to DEFINE_EVENT

Use DECLARE_EVENT_CLASS to remove duplicate code:

   text    data     bss     dec     hex filename
   4312     524      12    4848    12f0 kernel/trace/power-traces.o.old
   3455     524       8    3987     f93 kernel/trace/power-traces.o

Two events are converted:

  power: power_start, power_frequency

No change in functionality.

Signed-off-by: Li Zefan <lizf@...fujitsu.com>
Cc: Steven Rostedt <rostedt@...dmis.org>
Cc: Frederic Weisbecker <fweisbec@...il.com>
Cc: Arjan van de Ven <arjan@...radead.org>
LKML-Reference: <4B0E28C2.1090906@...fujitsu.com>
Signed-off-by: Ingo Molnar <mingo@...e.hu>
---
 include/trace/events/power.h |   36 +++++++++++++++---------------------
 1 files changed, 15 insertions(+), 21 deletions(-)

diff --git a/include/trace/events/power.h b/include/trace/events/power.h
index 9bb96e5..c4efe9b 100644
--- a/include/trace/events/power.h
+++ b/include/trace/events/power.h
@@ -16,7 +16,7 @@ enum {
 };
 #endif
 
-TRACE_EVENT(power_start,
+DECLARE_EVENT_CLASS(power,
 
 	TP_PROTO(unsigned int type, unsigned int state),
 
@@ -35,42 +35,36 @@ TRACE_EVENT(power_start,
 	TP_printk("type=%lu state=%lu", (unsigned long)__entry->type, (unsigned long)__entry->state)
 );
 
-TRACE_EVENT(power_end,
-
-	TP_PROTO(int dummy),
+DEFINE_EVENT(power, power_start,
 
-	TP_ARGS(dummy),
+	TP_PROTO(unsigned int type, unsigned int state),
 
-	TP_STRUCT__entry(
-		__field(	u64,		dummy		)
-	),
+	TP_ARGS(type, state)
+);
 
-	TP_fast_assign(
-		__entry->dummy = 0xffff;
-	),
+DEFINE_EVENT(power, power_frequency,
 
-	TP_printk("dummy=%lu", (unsigned long)__entry->dummy)
+	TP_PROTO(unsigned int type, unsigned int state),
 
+	TP_ARGS(type, state)
 );
 
+TRACE_EVENT(power_end,
 
-TRACE_EVENT(power_frequency,
-
-	TP_PROTO(unsigned int type, unsigned int state),
+	TP_PROTO(int dummy),
 
-	TP_ARGS(type, state),
+	TP_ARGS(dummy),
 
 	TP_STRUCT__entry(
-		__field(	u64,		type		)
-		__field(	u64,		state		)
+		__field(	u64,		dummy		)
 	),
 
 	TP_fast_assign(
-		__entry->type = type;
-		__entry->state = state;
+		__entry->dummy = 0xffff;
 	),
 
-	TP_printk("type=%lu state=%lu", (unsigned long)__entry->type, (unsigned long) __entry->state)
+	TP_printk("dummy=%lu", (unsigned long)__entry->dummy)
+
 );
 
 #endif /* _TRACE_POWER_H */
--
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