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@redhat.com>
This commit is contained in:
Steven Rostedt 2009-03-24 13:38:36 -04:00
parent ee000b7f9f
commit 425480081e
4 changed files with 5 additions and 5 deletions

View File

@ -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;
}

View File

@ -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;

View File

@ -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);

View File

@ -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;