[PATCH][GIT PULL] tracing: add handler to trace_stat

From: Steven Rostedt
Date: Tue Mar 24 2009 - 23:30:48 EST



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@xxxxxxxxxx>
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@xxxxxxxxxx>

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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