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selftests/ftrace: Fix test to handle both old and new kernels

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[ Upstream commit c049acee3c ]

The function "scheduler_tick" was renamed to "sched_tick" and a selftest
that used that function for testing function trace filtering used that
function as part of the test.

But the change causes it to fail when run on older kernels. As tests
should not fail on older kernels, add a check to see which name is
available before testing.

Fixes: 86dd6c04ef ("sched/balancing: Rename scheduler_tick() => sched_tick()")
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Steven Rostedt (Google)
2024-05-15 01:36:20 -04:00
committed by Greg Kroah-Hartman
parent ca5fc966ce
commit 0cf6ed3edd
1 changed files with 8 additions and 1 deletions
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tools/testing/selftests/ftrace/test.d/ftrace/func_set_ftrace_file.tc
+8 -1
View File
@@ -19,7 +19,14 @@ fail() { # mesg
FILTER=set_ftrace_filter
FUNC1="schedule"
FUNC2="sched_tick"
if grep '^sched_tick\b' available_filter_functions; then
FUNC2="sched_tick"
elif grep '^scheduler_tick\b' available_filter_functions; then
FUNC2="scheduler_tick"
else
exit_unresolved
fi
ALL_FUNCS="#### all functions enabled ####"