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-rw-r--r--tools/testing/selftests/ftrace/test.d/event/event-no-pid.tc7
1 files changed, 7 insertions, 0 deletions
diff --git a/tools/testing/selftests/ftrace/test.d/event/event-no-pid.tc b/tools/testing/selftests/ftrace/test.d/event/event-no-pid.tc
index e6eb78f0b954..9933ed24f901 100644
--- a/tools/testing/selftests/ftrace/test.d/event/event-no-pid.tc
+++ b/tools/testing/selftests/ftrace/test.d/event/event-no-pid.tc
@@ -57,6 +57,10 @@ enable_events() {
echo 1 > tracing_on
}
+other_task() {
+ sleep .001 || usleep 1 || sleep 1
+}
+
echo 0 > options/event-fork
do_reset
@@ -94,6 +98,9 @@ child=$!
echo "child = $child"
wait $child
+# Be sure some other events will happen for small systems (e.g. 1 core)
+other_task
+
echo 0 > tracing_on
cnt=`count_pid $mypid`