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Commit 925684d6 authored by Li Zefan's avatar Li Zefan Committed by Ingo Molnar
Browse files

tracing: Convert module refcnt events to DEFINE_EVENT 



Use DECLARE_EVENT_CLASS to remove duplicate code:

   text    data     bss     dec     hex filename
  29854    1980     128   31962    7cda kernel/module.o.old
  28750    1980     128   30858    788a kernel/module.o

Two events are converted:

  module_refcnt: module_get, module_put

No change in functionality.

Signed-off-by: default avatarLi Zefan <lizf@cn.fujitsu.com>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
LKML-Reference: <4B0E283B.3010508@cn.fujitsu.com>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent 091ad365

include/trace/events/module.h

+7 −15
Original line number Diff line number Diff line
@@ -51,7 +51,7 @@ TRACE_EVENT(module_free, 
	TP_printk("%s", __get_str(name))

);



TRACE_EVENT(module_get,

DECLARE_EVENT_CLASS(module_refcnt,



	TP_PROTO(struct module *mod, unsigned long ip, int refcnt),
@@ -73,26 +73,18 @@ TRACE_EVENT(module_get, 
		  __get_str(name), (void *)__entry->ip, __entry->refcnt)

);



TRACE_EVENT(module_put,

DEFINE_EVENT(module_refcnt, module_get,



	TP_PROTO(struct module *mod, unsigned long ip, int refcnt),



	TP_ARGS(mod, ip, refcnt),

	TP_ARGS(mod, ip, refcnt)

);



	TP_STRUCT__entry(

		__field(	unsigned long,	ip		)

		__field(	int,		refcnt		)

		__string(	name,		mod->name	)

	),

DEFINE_EVENT(module_refcnt, module_put,



	TP_fast_assign(

		__entry->ip	= ip;

		__entry->refcnt	= refcnt;

		__assign_str(name, mod->name);

	),

	TP_PROTO(struct module *mod, unsigned long ip, int refcnt),



	TP_printk("%s call_site=%pf refcnt=%d",

		  __get_str(name), (void *)__entry->ip, __entry->refcnt)

	TP_ARGS(mod, ip, refcnt)

);



TRACE_EVENT(module_request,