[PATCH 5/5] rtla/timerlat_top: Abort event processing on second signal
From: Tomas Glozar
Date: Thu Jan 16 2025 - 09:54:52 EST
Apply the changes from the previous patch also to timerlat-top.
Signed-off-by: Tomas Glozar <tglozar@xxxxxxxxxx>
---
tools/tracing/rtla/src/timerlat_top.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/tools/tracing/rtla/src/timerlat_top.c b/tools/tracing/rtla/src/timerlat_top.c
index d21a21053917..d358cd39f360 100644
--- a/tools/tracing/rtla/src/timerlat_top.c
+++ b/tools/tracing/rtla/src/timerlat_top.c
@@ -903,6 +903,14 @@ static int stop_tracing;
static struct trace_instance *top_inst = NULL;
static void stop_top(int sig)
{
+ if (stop_tracing) {
+ /*
+ * Stop requested twice in a row; abort event processing and
+ * exit immediately
+ */
+ tracefs_iterate_stop(top_inst->inst);
+ return;
+ }
stop_tracing = 1;
if (top_inst)
trace_instance_stop(top_inst);
--
2.47.1