From bc5f1598e9b1de209ff05ddef6b1aa3ace11deab Mon Sep 17 00:00:00 2001 From: Masami Hiramatsu Date: Tue, 23 May 2017 15:10:04 +0900 Subject: selftests/ftrace: Return unsupported if it detects older kernel Return unsupported if the kernel is too old to support instance independent ftrace filter for some testcases. Signed-off-by: Masami Hiramatsu Signed-off-by: Shuah Khan --- .../selftests/ftrace/test.d/ftrace/func_event_triggers.tc | 9 +++++++++ .../selftests/ftrace/test.d/ftrace/func_traceonoff_triggers.tc | 9 +++++++++ 2 files changed, 18 insertions(+) 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 aa31368..77dfb6b 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 @@ -72,6 +72,15 @@ run_enable_disable() { test_event_enabled $check_disable echo "schedule:${enable}_event:$EVENT" > set_ftrace_filter + if [ -d ../../instances ]; then # Check instances + cur=`cat set_ftrace_filter` + top=`cat ../../set_ftrace_filter` + if [ "$cur" = "$top" ]; then + echo "This kernel is too old to support per instance filter" + reset_ftrace_filter + exit_unsupported + fi + fi echo " make sure it works 5 times" diff --git a/tools/testing/selftests/ftrace/test.d/ftrace/func_traceonoff_triggers.tc b/tools/testing/selftests/ftrace/test.d/ftrace/func_traceonoff_triggers.tc index 1b0817b..9cf3852 100644 --- a/tools/testing/selftests/ftrace/test.d/ftrace/func_traceonoff_triggers.tc +++ b/tools/testing/selftests/ftrace/test.d/ftrace/func_traceonoff_triggers.tc @@ -75,6 +75,15 @@ fi echo '** SET TRACEOFF' echo "$func:traceoff" > set_ftrace_filter +if [ -d ../../instances ]; then # Check instances + cur=`cat set_ftrace_filter` + top=`cat ../../set_ftrace_filter` + if [ "$cur" = "$top" ]; then + echo "This kernel is too old to support per instance filter" + reset_ftrace_filter + exit_unsupported + fi +fi cnt=`grep schedule set_ftrace_filter | wc -l` if [ $cnt -ne 1 ]; then -- cgit v1.1