[tip:perf/core] tracing: Convert some power events to DEFINE_EVENT

From: tip-bot for Li Zefan
Date: Thu Nov 26 2009 - 03:44:26 EST


Commit-ID: 7703466b4c0a21b88d701882bef0d45bcb0a0281
Gitweb: http://git.kernel.org/tip/7703466b4c0a21b88d701882bef0d45bcb0a0281
Author: Li Zefan <lizf@xxxxxxxxxxxxxx>
AuthorDate: Thu, 26 Nov 2009 15:05:38 +0800
Committer: Ingo Molnar <mingo@xxxxxxx>
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@xxxxxxxxxxxxxx>
Cc: Steven Rostedt <rostedt@xxxxxxxxxxx>
Cc: Frederic Weisbecker <fweisbec@xxxxxxxxx>
Cc: Arjan van de Ven <arjan@xxxxxxxxxxxxx>
LKML-Reference: <4B0E28C2.1090906@xxxxxxxxxxxxxx>
Signed-off-by: Ingo Molnar <mingo@xxxxxxx>
---
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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