diff mbox series

[v4,5/6] trace-cmd: Fix "trace-cmd reset" command to restore the default value of set_event_pid

Message ID 20190311083339.21581-6-tstoyanov@vmware.com (mailing list archive)
State Accepted
Headers show
Series trace-cmd reset fixes | expand

Commit Message

Tzvetomir Stoyanov March 11, 2019, 8:33 a.m. UTC
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@vmware.com>
---
 tracecmd/trace-record.c | 7 +++++++
 1 file changed, 7 insertions(+)
diff mbox series

Patch

diff --git a/tracecmd/trace-record.c b/tracecmd/trace-record.c
index a398723..bdf0c02 100644
--- a/tracecmd/trace-record.c
+++ b/tracecmd/trace-record.c
@@ -3796,6 +3796,12 @@  static void reset_clock(void)
 		write_instance_file(instance, "trace_clock", "local", "clock");
 }
 
+static void reset_event_pid(void)
+{
+	add_event_pid("");
+}
+
+
 static void clear_triggers(void)
 {
 	struct buffer_instance *instance;
@@ -4499,6 +4505,7 @@  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 */