The "trace-cmd reset" command should restore ftrace to its default state.
This patch sets "tracing/set_event_pid" to an empty string,
when the "trace-cmd reset" command is executed.
Signed-off-by: Tzvetomir Stoyanov <tstoyanov@xxxxxxxxxx>
---
tracecmd/trace-record.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/tracecmd/trace-record.c b/tracecmd/trace-record.c
index 38d9871..f77e49a 100644
--- a/tracecmd/trace-record.c
+++ b/tracecmd/trace-record.c
@@ -3761,6 +3761,15 @@ static void reset_clock(void)
write_instance_file(instance, "trace_clock", "local", "clock");
}
+static void reset_event_pid(void)
+{
+ struct buffer_instance *instance;
+
+ for_all_instances(instance)
+ write_instance_file(instance, "set_event_pid", "", "event_pid");
+}
+
+
static void clear_triggers(void)
{
struct buffer_instance *instance;
@@ -4464,6 +4473,7 @@ void trace_reset(int argc, char **argv)
clear_triggers();
/* set clock to "local" */
reset_clock();
+ reset_event_pid();
tracecmd_remove_instances();
clear_func_filters();
/* restore tracing_on to 1 */
--
2.19.2
|