linux-kernel - [PATCH] tracing: Rename lockdep event subsystem into lock

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Date:	Fri, 13 Nov 2009 10:06:34 +0100
From:	Frederic Weisbecker <fweisbec@...il.com>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	Mike Galbraith <efault@....de>,
	Paul Mackerras <paulus@...ba.org>,
	Steven Rostedt <rostedt@...dmis.org>,
	Li Zefan <lizf@...fujitsu.com>,
	Hitoshi Mitake <mitake@....info.waseda.ac.jp>
Subject: [PATCH] tracing: Rename lockdep event subsystem into lock

Lockdep events subsystem gathers various locking related events such
as a request, release, contention or acquisition of a lock.

The name of this event subsystem is a bit of a misnomer since these
events are not quite related to lockdep but more generally to locking,
ie: these events are not reporting lock dependencies or possible
deadlock scenario but pure locking events.

Hence this rename.

Signed-off-by: Frederic Weisbecker <fweisbec@...il.com>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Arnaldo Carvalho de Melo <acme@...hat.com>
Cc: Mike Galbraith <efault@....de>
Cc: Paul Mackerras <paulus@...ba.org>
Cc: Steven Rostedt <rostedt@...dmis.org>
Cc: Li Zefan <lizf@...fujitsu.com>
Cc: Hitoshi Mitake <mitake@....info.waseda.ac.jp>
---
 include/trace/events/{lockdep.h => lock.h} |    8 ++++----
 kernel/lockdep.c                           |    2 +-
 2 files changed, 5 insertions(+), 5 deletions(-)
 rename include/trace/events/{lockdep.h => lock.h} (92%)

diff --git a/include/trace/events/lockdep.h b/include/trace/events/lock.h
similarity index 92%
rename from include/trace/events/lockdep.h
rename to include/trace/events/lock.h
index bcf1d20..a870ba1 100644
--- a/include/trace/events/lockdep.h
+++ b/include/trace/events/lock.h
@@ -1,8 +1,8 @@
 #undef TRACE_SYSTEM
-#define TRACE_SYSTEM lockdep
+#define TRACE_SYSTEM lock
 
-#if !defined(_TRACE_LOCKDEP_H) || defined(TRACE_HEADER_MULTI_READ)
-#define _TRACE_LOCKDEP_H
+#if !defined(_TRACE_LOCK_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_LOCK_H
 
 #include <linux/lockdep.h>
 #include <linux/tracepoint.h>
@@ -90,7 +90,7 @@ TRACE_EVENT(lock_acquired,
 #endif
 #endif
 
-#endif /* _TRACE_LOCKDEP_H */
+#endif /* _TRACE_LOCK_H */
 
 /* This part must be outside protection */
 #include <trace/define_trace.h>
diff --git a/kernel/lockdep.c b/kernel/lockdep.c
index 9af5672..f5dcd36 100644
--- a/kernel/lockdep.c
+++ b/kernel/lockdep.c
@@ -49,7 +49,7 @@
 #include "lockdep_internals.h"
 
 #define CREATE_TRACE_POINTS
-#include <trace/events/lockdep.h>
+#include <trace/events/lock.h>
 
 #ifdef CONFIG_PROVE_LOCKING
 int prove_locking = 1;
-- 
1.6.2.3

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