linux-kernel - [PATCH][GIT PULL] tracing: add handler to trace

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Date:	Tue, 24 Mar 2009 23:30:33 -0400 (EDT)
From:	Steven Rostedt <rostedt@...dmis.org>
To:	LKML <linux-kernel@...r.kernel.org>
cc:	Ingo Molnar <mingo@...e.hu>,
	Frédéric Weisbecker <fweisbec@...il.com>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: [PATCH][GIT PULL] tracing: add handler to trace_stat


Ingo,

Please pull the latest tip/tracing/ftrace tree, which can be found at:

  git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-2.6-trace.git
tip/tracing/ftrace


Steven Rostedt (1):
      tracing: add handler to trace_stat

----
 kernel/trace/trace_branch.c    |    4 ++--
 kernel/trace/trace_stat.c      |    2 +-
 kernel/trace/trace_stat.h      |    2 +-
 kernel/trace/trace_workqueue.c |    2 +-
 4 files changed, 5 insertions(+), 5 deletions(-)
---------------------------
commit 425480081e936d8725f0d44b8829d699bf088c6b
Author: Steven Rostedt <srostedt@...hat.com>
Date:   Tue Mar 24 13:38:36 2009 -0400

    tracing: add handler to trace_stat
    
    Currently, if a trace_stat user wants a handle to some private data,
    the trace_stat infrastructure does not supply a way to do that.
    
    This patch passes the trace_stat structure to the start function of
    the trace_stat code.
    
    Signed-off-by: Steven Rostedt <srostedt@...hat.com>

diff --git a/kernel/trace/trace_branch.c b/kernel/trace/trace_branch.c
index ad8c22e..e6e3291 100644
--- a/kernel/trace/trace_branch.c
+++ b/kernel/trace/trace_branch.c
@@ -263,7 +263,7 @@ static int branch_stat_show(struct seq_file *m, void *v)
 	return 0;
 }
 
-static void *annotated_branch_stat_start(void)
+static void *annotated_branch_stat_start(struct tracer_stat *trace)
 {
 	return __start_annotated_branch_profile;
 }
@@ -338,7 +338,7 @@ static int all_branch_stat_headers(struct seq_file *m)
 	return 0;
 }
 
-static void *all_branch_stat_start(void)
+static void *all_branch_stat_start(struct tracer_stat *trace)
 {
 	return __start_branch_profile;
 }
diff --git a/kernel/trace/trace_stat.c b/kernel/trace/trace_stat.c
index f71b85b..f8f48d8 100644
--- a/kernel/trace/trace_stat.c
+++ b/kernel/trace/trace_stat.c
@@ -85,7 +85,7 @@ static int stat_seq_init(struct tracer_stat_session *session)
 	if (!ts->stat_cmp)
 		ts->stat_cmp = dummy_cmp;
 
-	stat = ts->stat_start();
+	stat = ts->stat_start(ts);
 	if (!stat)
 		goto exit;
 
diff --git a/kernel/trace/trace_stat.h b/kernel/trace/trace_stat.h
index 202274c..f3546a2 100644
--- a/kernel/trace/trace_stat.h
+++ b/kernel/trace/trace_stat.h
@@ -12,7 +12,7 @@ struct tracer_stat {
 	/* The name of your stat file */
 	const char		*name;
 	/* Iteration over statistic entries */
-	void			*(*stat_start)(void);
+	void			*(*stat_start)(struct tracer_stat *trace);
 	void			*(*stat_next)(void *prev, int idx);
 	/* Compare two entries for stats sorting */
 	int			(*stat_cmp)(void *p1, void *p2);
diff --git a/kernel/trace/trace_workqueue.c b/kernel/trace/trace_workqueue.c
index 9ab035b..ee533c2 100644
--- a/kernel/trace/trace_workqueue.c
+++ b/kernel/trace/trace_workqueue.c
@@ -152,7 +152,7 @@ static struct cpu_workqueue_stats *workqueue_stat_start_cpu(int cpu)
 	return ret;
 }
 
-static void *workqueue_stat_start(void)
+static void *workqueue_stat_start(struct tracer_stat *trace)
 {
 	int cpu;
 	void *ret = NULL;

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