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    Subject[tip:perf/core] tracing: Rename 'lockdep' event subsystem into 'lock'
    Commit-ID:  b8b901965dbc6572f365457bb8c6a487f7da5d02
    Gitweb: http://git.kernel.org/tip/b8b901965dbc6572f365457bb8c6a487f7da5d02
    Author: Frederic Weisbecker <fweisbec@gmail.com>
    AuthorDate: Fri, 13 Nov 2009 10:06:34 +0100
    Committer: Ingo Molnar <mingo@elte.hu>
    CommitDate: Fri, 13 Nov 2009 10:28:13 +0100

    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@gmail.com>
    Acked-by: Peter Zijlstra <peterz@infradead.org>
    Acked-by: Hitoshi Mitake <mitake@dcl.info.waseda.ac.jp>
    Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
    Cc: Mike Galbraith <efault@gmx.de>
    Cc: Paul Mackerras <paulus@samba.org>
    Cc: Steven Rostedt <rostedt@goodmis.org>
    Cc: Li Zefan <lizf@cn.fujitsu.com>
    LKML-Reference: <1258103194-843-1-git-send-email-fweisbec@gmail.com>
    Signed-off-by: Ingo Molnar <mingo@elte.hu>
    ---
    include/trace/events/lockdep.h | 8 ++++----
    kernel/lockdep.c | 2 +-
    2 files changed, 5 insertions(+), 5 deletions(-)

    diff --git a/include/trace/events/lockdep.h b/include/trace/events/lockdep.h
    index bcf1d20..a870ba1 100644
    --- a/include/trace/events/lockdep.h
    +++ b/include/trace/events/lockdep.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;

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