Messages in this thread Patch in this message | | | From | Masami Hiramatsu <> | Subject | [PATCH -tip v3 4/9] selftests: ftrace: Check whether snapshot trigger is supported correctly | Date | Wed, 16 Nov 2016 17:13:32 +0900 |
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If "snapshot" special file doesn't exist, that kernel does not support snapshot and snapshot trigger too. In that case snapshot trigger test results to unsupported instead of fail.
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org> --- .../ftrace/test.d/trigger/trigger-snapshot.tc | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/tools/testing/selftests/ftrace/test.d/trigger/trigger-snapshot.tc b/tools/testing/selftests/ftrace/test.d/trigger/trigger-snapshot.tc index f84b80d..ed94f0c 100644 --- a/tools/testing/selftests/ftrace/test.d/trigger/trigger-snapshot.tc +++ b/tools/testing/selftests/ftrace/test.d/trigger/trigger-snapshot.tc @@ -23,6 +23,11 @@ if [ ! -f events/sched/sched_process_fork/trigger ]; then exit_unsupported fi +if [ ! -f snapshot ]; then + echo "snapshot is not supported" + exit_unsupported +fi + reset_tracer do_reset
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