summaryrefslogtreecommitdiffstats
path: root/tools/testing/selftests/ftrace/test.d
diff options
context:
space:
mode:
authorMasami Hiramatsu <mhiramat@kernel.org>2017-05-23 08:10:04 +0200
committerShuah Khan <shuahkh@osg.samsung.com>2017-06-07 19:00:16 +0200
commitbc5f1598e9b1de209ff05ddef6b1aa3ace11deab (patch)
treefbd13c3739e3d65dca76b8327f739ca59bd8b738 /tools/testing/selftests/ftrace/test.d
parentselftests/ftrace: Use top-level available_filter_function (diff)
downloadlinux-bc5f1598e9b1de209ff05ddef6b1aa3ace11deab.tar.xz
linux-bc5f1598e9b1de209ff05ddef6b1aa3ace11deab.zip
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 <mhiramat@kernel.org> Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
Diffstat (limited to 'tools/testing/selftests/ftrace/test.d')
-rw-r--r--tools/testing/selftests/ftrace/test.d/ftrace/func_event_triggers.tc9
-rw-r--r--tools/testing/selftests/ftrace/test.d/ftrace/func_traceonoff_triggers.tc9
2 files changed, 18 insertions, 0 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 aa31368851c9..77dfb6b48186 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" = "$top" ]; then
+ echo "This kernel is too old to support per instance filter"
+ reset_ftrace_filter
+ exit_unsupported
+ fi
+ fi
echo " make sure it works 5 times"
diff --git a/tools/testing/selftests/ftrace/test.d/ftrace/func_traceonoff_triggers.tc b/tools/testing/selftests/ftrace/test.d/ftrace/func_traceonoff_triggers.tc
index 1b0817bfa286..9cf385297c1a 100644
--- a/tools/testing/selftests/ftrace/test.d/ftrace/func_traceonoff_triggers.tc
+++ b/tools/testing/selftests/ftrace/test.d/ftrace/func_traceonoff_triggers.tc
@@ -75,6 +75,15 @@ fi
echo '** SET TRACEOFF'
echo "$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