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| author |   Steven Rostedt <srostedt@redhat.com> | 2009-03-24 13:38:36 -0400 |
|---|---|---|
| committer | Steven Rostedt <srostedt@redhat.com> | 2009-03-24 23:22:58 -0400 |
| commit | 425480081e936d8725f0d44b8829d699bf088c6b (patch) | |
| tree | 214bd7f813fde6b71f624b85756b27ec5078c3fd | |
| parent | tracing: use union for multi-usages field (diff) | |
| download | linux-dev-425480081e936d8725f0d44b8829d699bf088c6b.tar.xz linux-dev-425480081e936d8725f0d44b8829d699bf088c6b.zip | |
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>
| -rw-r--r-- | kernel/trace/trace_branch.c | 4 | ||||
| -rw-r--r-- | kernel/trace/trace_stat.c | 2 | ||||
| -rw-r--r-- | kernel/trace/trace_stat.h | 2 | ||||
| -rw-r--r-- | kernel/trace/trace_workqueue.c | 2 |
4 files changed, 5 insertions, 5 deletions
diff --git a/kernel/trace/trace_branch.c b/kernel/trace/trace_branch.c index ad8c22efff41..e6e32912ffb8 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 f71b85b22cfe..f8f48d84b2c3 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 202274cf7f3d..f3546a2cd826 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 9ab035b58cf1..ee533c2e161b 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; |