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tracing: Convert some signal events to DEFINE_TRACE

Browse source 
Use DECLARE_EVENT_CLASS to remove duplicate code:

text    data     bss     dec     hex filename
  23639    6084       8   29731    7423 kernel/signal.o.orig
  22727    6084       8   28819    7093 kernel/signal.o

2 events are converted:

  signal_queue_overflow: signal_overflow_fail, signal_lose_info

No functional change.

Acked-by: Masami Hiramatsu <mhiramat@redhat.com>
Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
LKML-Reference: <4BA97FBD.8070703@cn.fujitsu.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
This commit is contained in:
Li Zefan 2010-03-24 10:58:05 +08:00 committed by Steven Rostedt
parent 2eaa9cfdf3
commit 4bdde044dc
1 changed files with 22 additions and 30 deletions
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52
include/trace/events/signal.h
View file

@ -100,18 +100,7 @@ TRACE_EVENT(signal_deliver,
__entry->sa_handler, __entry->sa_flags)
);
/**
* signal_overflow_fail - called when signal queue is overflow
* @sig: signal number
* @group: signal to process group or not (bool)
* @info: pointer to struct siginfo
*
* Kernel fails to generate 'sig' signal with 'info' siginfo, because
* siginfo queue is overflow, and the signal is dropped.
* 'group' is not 0 if the signal will be sent to a process group.
* 'sig' is always one of RT signals.
*/
TRACE_EVENT(signal_overflow_fail,
DECLARE_EVENT_CLASS(signal_queue_overflow,
TP_PROTO(int sig, int group, struct siginfo *info),
@ -134,6 +123,24 @@ TRACE_EVENT(signal_overflow_fail,
__entry->sig, __entry->group, __entry->errno, __entry->code)
);
/**
* signal_overflow_fail - called when signal queue is overflow
* @sig: signal number
* @group: signal to process group or not (bool)
* @info: pointer to struct siginfo
*
* Kernel fails to generate 'sig' signal with 'info' siginfo, because
* siginfo queue is overflow, and the signal is dropped.
* 'group' is not 0 if the signal will be sent to a process group.
* 'sig' is always one of RT signals.
*/
DEFINE_EVENT(signal_queue_overflow, signal_overflow_fail,
TP_PROTO(int sig, int group, struct siginfo *info),
TP_ARGS(sig, group, info)
);
/**
* signal_lose_info - called when siginfo is lost
* @sig: signal number
@ -145,28 +152,13 @@ TRACE_EVENT(signal_overflow_fail,
* 'group' is not 0 if the signal will be sent to a process group.
* 'sig' is always one of non-RT signals.
*/
TRACE_EVENT(signal_lose_info,
DEFINE_EVENT(signal_queue_overflow, signal_lose_info,
TP_PROTO(int sig, int group, struct siginfo *info),
TP_ARGS(sig, group, info),
TP_STRUCT__entry(
__field( int, sig )
__field( int, group )
__field( int, errno )
__field( int, code )
),
TP_fast_assign(
__entry->sig = sig;
__entry->group = group;
TP_STORE_SIGINFO(__entry, info);
),
TP_printk("sig=%d group=%d errno=%d code=%d",
__entry->sig, __entry->group, __entry->errno, __entry->code)
TP_ARGS(sig, group, info)
);
#endif /* _TRACE_SIGNAL_H */
/* This part must be outside protection */