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Diffstat (limited to 'tools/testing/selftests/ftrace/test.d/ftrace/func_event_triggers.tc')
-rw-r--r--tools/testing/selftests/ftrace/test.d/ftrace/func_event_triggers.tc24
1 files changed, 15 insertions, 9 deletions
diff --git a/tools/testing/selftests/ftrace/test.d/ftrace/func_event_triggers.tc b/tools/testing/selftests/ftrace/test.d/ftrace/func_event_triggers.tc
index e9b1fd534e96..2ad7d4b501cc 100644
--- a/tools/testing/selftests/ftrace/test.d/ftrace/func_event_triggers.tc
+++ b/tools/testing/selftests/ftrace/test.d/ftrace/func_event_triggers.tc
@@ -3,15 +3,14 @@
# description: ftrace - test for function event triggers
# flags: instance
#
+# The triggers are set within the set_ftrace_filter file
+# requires: set_ftrace_filter
+#
# Ftrace allows to add triggers to functions, such as enabling or disabling
# tracing, enabling or disabling trace events, or recording a stack trace
# within the ring buffer.
#
# This test is designed to test event triggers
-#
-
-# The triggers are set within the set_ftrace_filter file
-check_filter_file set_ftrace_filter
do_reset() {
reset_ftrace_filter
@@ -39,11 +38,18 @@ cnt_trace() {
test_event_enabled() {
val=$1
+ check_times=10 # wait for 10 * SLEEP_TIME at most
- e=`cat $EVENT_ENABLE`
- if [ "$e" != $val ]; then
- fail "Expected $val but found $e"
- fi
+ while [ $check_times -ne 0 ]; do
+ e=`cat $EVENT_ENABLE`
+ if [ "$e" = $val ]; then
+ return 0
+ fi
+ sleep $SLEEP_TIME
+ check_times=$((check_times - 1))
+ done
+
+ fail "Expected $val but found $e"
}
run_enable_disable() {
@@ -86,7 +92,7 @@ run_enable_disable() {
echo $check_disable > $EVENT_ENABLE
done
sleep $SLEEP_TIME
- echo " make sure it's still works"
+ echo " make sure it still works"
test_event_enabled $check_enable_star
reset_ftrace_filter