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selftests/ftrace: Return unsupported if it detects older kernel

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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>
This commit is contained in:
Masami Hiramatsu 2017-05-23 15:10:04 +09:00 committed by Shuah Khan
parent 565d557603
commit bc5f1598e9
2 changed files with 18 additions and 0 deletions
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9
tools/testing/selftests/ftrace/test.d/ftrace/func_event_triggers.tc
View File

@ -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"

9
tools/testing/selftests/ftrace/test.d/ftrace/func_traceonoff_triggers.tc
View File

@ -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