From e636c8d336489bf3eed5878299e6cc045bbad077 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 20 Feb 2024 01:17:29 +0000
Subject: [PATCH] debug lk
---
kernel/tools/testing/selftests/ftrace/test.d/ftrace/func_event_triggers.tc | 28 ++++++++++++++--------------
1 files changed, 14 insertions(+), 14 deletions(-)
diff --git a/kernel/tools/testing/selftests/ftrace/test.d/ftrace/func_event_triggers.tc b/kernel/tools/testing/selftests/ftrace/test.d/ftrace/func_event_triggers.tc
index 6fed4cf..d9b8127 100644
--- a/kernel/tools/testing/selftests/ftrace/test.d/ftrace/func_event_triggers.tc
+++ b/kernel/tools/testing/selftests/ftrace/test.d/ftrace/func_event_triggers.tc
@@ -3,18 +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
-if [ ! -f set_ftrace_filter ]; then
- echo "set_ftrace_filter not found? Is dynamic ftrace not set?"
- exit_unsupported
-fi
do_reset() {
reset_ftrace_filter
@@ -25,14 +21,11 @@
}
fail() { # mesg
- do_reset
echo $1
exit_fail
}
SLEEP_TIME=".1"
-
-do_reset
echo "Testing function probes with events:"
@@ -45,11 +38,18 @@
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() {
--
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