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| author | Tom Zanussi <tom.zanussi@linux.intel.com> | 2015-12-10 12:50:44 -0600 |
|---|---|---|
| committer | Steven Rostedt <rostedt@goodmis.org> | 2016-03-08 11:19:30 -0500 |
| commit | ab4bf008928e8fc73fe1cbaa9249792d36845345 (patch) | |
| tree | a78286bab726d1afd3bc8f25897e5337c556cdb5 /kernel/trace | |
| parent | 4ef56902fba4d9949918c6266e67ba7d05fba7a4 (diff) | |
| download | linux-ab4bf008928e8fc73fe1cbaa9249792d36845345.tar.gz linux-ab4bf008928e8fc73fe1cbaa9249792d36845345.tar.bz2 linux-ab4bf008928e8fc73fe1cbaa9249792d36845345.zip | |
tracing: Make event trigger functions available
Make various event trigger utility functions available outside of
trace_events_trigger.c so that new triggers can be defined outside of
that file.
Link: http://lkml.kernel.org/r/4a40c1695dd43cac6cd475d72e13ffe30ba84bff.1449767187.git.tom.zanussi@linux.intel.com
Signed-off-by: Tom Zanussi <tom.zanussi@linux.intel.com>
Tested-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Reviewed-by: Namhyung Kim <namhyung@kernel.org>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Diffstat (limited to 'kernel/trace')
| -rw-r--r-- | kernel/trace/trace.h | 14 | ||||
| -rw-r--r-- | kernel/trace/trace_events_trigger.c | 28 |
2 files changed, 27 insertions, 15 deletions
diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h index 81a8359e9c29..b2bc956e2b0d 100644 --- a/kernel/trace/trace.h +++ b/kernel/trace/trace.h @@ -1175,6 +1175,20 @@ struct event_trigger_data { struct list_head list; }; +extern void trigger_data_free(struct event_trigger_data *data); +extern int event_trigger_init(struct event_trigger_ops *ops, + struct event_trigger_data *data); +extern int trace_event_trigger_enable_disable(struct trace_event_file *file, + int trigger_enable); +extern void update_cond_flag(struct trace_event_file *file); +extern void unregister_trigger(char *glob, struct event_trigger_ops *ops, + struct event_trigger_data *test, + struct trace_event_file *file); +extern int set_trigger_filter(char *filter_str, + struct event_trigger_data *trigger_data, + struct trace_event_file *file); +extern int register_event_command(struct event_command *cmd); + /** * struct event_trigger_ops - callbacks for trace event triggers * diff --git a/kernel/trace/trace_events_trigger.c b/kernel/trace/trace_events_trigger.c index b38f617b6181..f40424f35dcb 100644 --- a/kernel/trace/trace_events_trigger.c +++ b/kernel/trace/trace_events_trigger.c @@ -28,8 +28,7 @@ static LIST_HEAD(trigger_commands); static DEFINE_MUTEX(trigger_cmd_mutex); -static void -trigger_data_free(struct event_trigger_data *data) +void trigger_data_free(struct event_trigger_data *data) { if (data->cmd_ops->set_filter) data->cmd_ops->set_filter(NULL, data, NULL); @@ -306,7 +305,7 @@ const struct file_operations event_trigger_fops = { * Currently we only register event commands from __init, so mark this * __init too. */ -static __init int register_event_command(struct event_command *cmd) +__init int register_event_command(struct event_command *cmd) { struct event_command *p; int ret = 0; @@ -395,9 +394,8 @@ event_trigger_print(const char *name, struct seq_file *m, * * Return: 0 on success, errno otherwise */ -static int -event_trigger_init(struct event_trigger_ops *ops, - struct event_trigger_data *data) +int event_trigger_init(struct event_trigger_ops *ops, + struct event_trigger_data *data) { data->ref++; return 0; @@ -425,8 +423,8 @@ event_trigger_free(struct event_trigger_ops *ops, trigger_data_free(data); } -static int trace_event_trigger_enable_disable(struct trace_event_file *file, - int trigger_enable) +int trace_event_trigger_enable_disable(struct trace_event_file *file, + int trigger_enable) { int ret = 0; @@ -483,7 +481,7 @@ clear_event_triggers(struct trace_array *tr) * its TRIGGER_COND bit set, otherwise the TRIGGER_COND bit should be * cleared. */ -static void update_cond_flag(struct trace_event_file *file) +void update_cond_flag(struct trace_event_file *file) { struct event_trigger_data *data; bool set_cond = false; @@ -560,9 +558,9 @@ out: * Usually used directly as the @unreg method in event command * implementations. */ -static void unregister_trigger(char *glob, struct event_trigger_ops *ops, - struct event_trigger_data *test, - struct trace_event_file *file) +void unregister_trigger(char *glob, struct event_trigger_ops *ops, + struct event_trigger_data *test, + struct trace_event_file *file) { struct event_trigger_data *data; bool unregistered = false; @@ -696,9 +694,9 @@ event_trigger_callback(struct event_command *cmd_ops, * * Return: 0 on success, errno otherwise */ -static int set_trigger_filter(char *filter_str, - struct event_trigger_data *trigger_data, - struct trace_event_file *file) +int set_trigger_filter(char *filter_str, + struct event_trigger_data *trigger_data, + struct trace_event_file *file) { struct event_trigger_data *data = trigger_data; struct event_filter *filter = NULL, *tmp; |