The logic for parsing and loading new tep events could be reused in
tracefs library. The function load_events() is exposed as internal API.
Signed-off-by: Tzvetomir Stoyanov (VMware) <tz.stoyanov@xxxxxxxxx>
---
include/tracefs-local.h | 3 +++
src/tracefs-events.c | 11 +++++++----
2 files changed, 10 insertions(+), 4 deletions(-)
diff --git a/include/tracefs-local.h b/include/tracefs-local.h
index a59e806..0540956 100644
--- a/include/tracefs-local.h
+++ b/include/tracefs-local.h
@@ -112,4 +112,7 @@ dynevent_alloc(enum tracefs_dynevent_type type, const char *system,
const char *event, const char *address, const char *format);
int dynevent_get_count(unsigned int types, const char *system);
+int trace_load_events(struct tep_handle *tep,
+ const char *tracing_dir, const char *system);
+
#endif /* _TRACE_FS_LOCAL_H */
diff --git a/src/tracefs-events.c b/src/tracefs-events.c
index 4679926..e3962e5 100644
--- a/src/tracefs-events.c
+++ b/src/tracefs-events.c
@@ -688,8 +688,8 @@ char **tracefs_tracers(const char *tracing_dir)
return plugins;
}
-static int load_events(struct tep_handle *tep,
- const char *tracing_dir, const char *system)
+__hidden int trace_load_events(struct tep_handle *tep,
+ const char *tracing_dir, const char *system)
{
int ret = 0, failure = 0;
char **events = NULL;
@@ -697,6 +697,9 @@ static int load_events(struct tep_handle *tep,
int len = 0;
int i;
+ if (!tracing_dir)
+ tracing_dir = tracefs_tracing_dir();
+
events = tracefs_system_events(tracing_dir, system);
if (!events)
return -ENOENT;
@@ -886,14 +889,14 @@ static int fill_local_events_system(const char *tracing_dir,
for (i = 0; systems[i]; i++) {
if (sys_names && !contains(systems[i], sys_names))
continue;
- ret = load_events(tep, tracing_dir, systems[i]);
+ ret = trace_load_events(tep, tracing_dir, systems[i]);
if (ret && parsing_failures)
(*parsing_failures)++;
}
/* Include ftrace, as it is excluded for not having "enable" file */
if (!sys_names || contains("ftrace", sys_names))
- load_events(tep, tracing_dir, "ftrace");
+ trace_load_events(tep, tracing_dir, "ftrace");
load_mappings(tracing_dir, tep);
--
2.33.1
|