The "trace-cmd reset" command is supposed to set the ftrace state to default.
However, the ftrace error logs are not reseted.
A logic is added to delete the content of "error_log" file when "trace-cmd reset" is executed.
Signed-off-by: Tzvetomir Stoyanov (VMware) <tz.stoyanov@xxxxxxxxx>
---
tracecmd/trace-record.c | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)
diff --git a/tracecmd/trace-record.c b/tracecmd/trace-record.c
index b6a412e..3e0d066 100644
--- a/tracecmd/trace-record.c
+++ b/tracecmd/trace-record.c
@@ -4638,6 +4638,25 @@ static void clear_triggers(void)
clear_instance_triggers(instance);
}
+static void clear_instance_error_log(struct buffer_instance *instance)
+{
+ char *file;
+
+ file = tracefs_instance_get_file(instance->tracefs, "error_log");
+ if (!file)
+ return;
+ write_file(file, " ");
+ tracefs_put_tracing_file(file);
+}
+
+static void clear_error_log(void)
+{
+ struct buffer_instance *instance;
+
+ for_all_instances(instance)
+ clear_instance_error_log(instance);
+}
+
static void clear_all_synth_events(void)
{
char sevent[BUFSIZ];
@@ -5382,6 +5401,7 @@ void trace_reset(int argc, char **argv)
clear_filters();
clear_triggers();
clear_all_synth_events();
+ clear_error_log();
/* set clock to "local" */
reset_clock();
reset_event_pid();
--
2.24.1
|