[PATCH 5/9] tracing: Convert some power events to DEFINE_EVENT

From: Li Zefan
Date: Thu Nov 26 2009 - 02:06:15 EST


Use TRACE_EVENT_TEMPLATE 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

Signed-off-by: Li Zefan <lizf@xxxxxxxxxxxxxx>
---
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..5cfa61a 100644
--- a/include/trace/events/power.h
+++ b/include/trace/events/power.h
@@ -16,7 +16,7 @@ enum {
};
#endif

-TRACE_EVENT(power_start,
+TRACE_EVENT_TEMPLATE(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 */
--
1.6.3


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