The "trace-cmd reset" command should restore ftrace to its default state.
This patch sets "tracing/tracing_max_latency" to 0,
when the "trace-cmd reset" command is executed.
Signed-off-by: Tzvetomir Stoyanov <tstoyanov@xxxxxxxxxx>
---
tracecmd/trace-record.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/tracecmd/trace-record.c b/tracecmd/trace-record.c
index bdf0c02..f4dac2f 100644
--- a/tracecmd/trace-record.c
+++ b/tracecmd/trace-record.c
@@ -3801,6 +3801,14 @@ static void reset_event_pid(void)
add_event_pid("");
}
+static void reset_max_latency_instance(void)
+{
+ struct buffer_instance *instance;
+
+ for_all_instances(instance)
+ write_instance_file(instance,
+ "tracing_max_latency", "0", "max_latency");
+}
static void clear_triggers(void)
{
@@ -4506,6 +4514,7 @@ void trace_reset(int argc, char **argv)
/* set clock to "local" */
reset_clock();
reset_event_pid();
+ reset_max_latency_instance();
tracecmd_remove_instances();
clear_func_filters();
/* restore tracing_on to 1 */
--
2.20.1
|