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Commit d0b6e04a authored by Li Zefan's avatar Li Zefan Committed by Ingo Molnar
Browse files

tracing/events: Move TRACE_SYSTEM outside of include guard 



If TRACE_INCLDUE_FILE is defined, <trace/events/TRACE_INCLUDE_FILE.h>
will be included and compiled, otherwise it will be
<trace/events/TRACE_SYSTEM.h>

So TRACE_SYSTEM should be defined outside of #if proctection,
just like TRACE_INCLUDE_FILE.

Imaging this scenario:

 #include <trace/events/foo.h>
    -> TRACE_SYSTEM == foo
 ...
 #include <trace/events/bar.h>
    -> TRACE_SYSTEM == bar
 ...
 #define CREATE_TRACE_POINTS
 #include <trace/events/foo.h>
    -> TRACE_SYSTEM == bar !!!

and then bar.h will be included and compiled.

Signed-off-by: default avatarLi Zefan <lizf@cn.fujitsu.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
LKML-Reference: <4A5A9CF1.2010007@cn.fujitsu.com>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent 7638d532

fs/gfs2/trace_gfs2.h

+4 −4
Original line number Diff line number Diff line 
#undef TRACE_SYSTEM

#define TRACE_SYSTEM gfs2



#if !defined(_TRACE_GFS2_H) || defined(TRACE_HEADER_MULTI_READ)

#define _TRACE_GFS2_H



#include <linux/tracepoint.h>



#undef TRACE_SYSTEM

#define TRACE_SYSTEM gfs2

#define TRACE_INCLUDE_FILE trace_gfs2



#include <linux/fs.h>

#include <linux/buffer_head.h>

#include <linux/dlmconstants.h>
@@ -403,5 +402,6 @@ TRACE_EVENT(gfs2_block_alloc, 
/* This part must be outside protection */

#undef TRACE_INCLUDE_PATH

#define TRACE_INCLUDE_PATH .

#define TRACE_INCLUDE_FILE trace_gfs2

#include <trace/define_trace.h>

include/trace/events/block.h

+3 −3
Original line number Diff line number Diff line 
#undef TRACE_SYSTEM

#define TRACE_SYSTEM block



#if !defined(_TRACE_BLOCK_H) || defined(TRACE_HEADER_MULTI_READ)

#define _TRACE_BLOCK_H
@@ -5,9 +8,6 @@ 
#include <linux/blkdev.h>

#include <linux/tracepoint.h>



#undef TRACE_SYSTEM

#define TRACE_SYSTEM block



TRACE_EVENT(block_rq_abort,



	TP_PROTO(struct request_queue *q, struct request *rq),

include/trace/events/ext4.h

+3 −3
Original line number Diff line number Diff line 
#if !defined(_TRACE_EXT4_H) || defined(TRACE_HEADER_MULTI_READ)

#define _TRACE_EXT4_H



#undef TRACE_SYSTEM

#define TRACE_SYSTEM ext4



#if !defined(_TRACE_EXT4_H) || defined(TRACE_HEADER_MULTI_READ)

#define _TRACE_EXT4_H



#include <linux/writeback.h>

#include "../../../fs/ext4/ext4.h"

#include "../../../fs/ext4/mballoc.h"

include/trace/events/irq.h

+3 −3
Original line number Diff line number Diff line 
#undef TRACE_SYSTEM

#define TRACE_SYSTEM irq



#if !defined(_TRACE_IRQ_H) || defined(TRACE_HEADER_MULTI_READ)

#define _TRACE_IRQ_H



#include <linux/tracepoint.h>

#include <linux/interrupt.h>



#undef TRACE_SYSTEM

#define TRACE_SYSTEM irq



#define softirq_name(sirq) { sirq##_SOFTIRQ, #sirq }

#define show_softirq_name(val)			\

	__print_symbolic(val,			\

include/trace/events/jbd2.h

+3 −3
Original line number Diff line number Diff line 
#undef TRACE_SYSTEM

#define TRACE_SYSTEM jbd2



#if !defined(_TRACE_JBD2_H) || defined(TRACE_HEADER_MULTI_READ)

#define _TRACE_JBD2_H



#include <linux/jbd2.h>

#include <linux/tracepoint.h>



#undef TRACE_SYSTEM

#define TRACE_SYSTEM jbd2



TRACE_EVENT(jbd2_checkpoint,



	TP_PROTO(journal_t *journal, int result),