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| author | Masami Hiramatsu <mhiramat@kernel.org> | 2016-11-16 09:13:32 +0100 |
|---|---|---|
| committer | Steven Rostedt <rostedt@goodmis.org> | 2016-11-22 20:24:14 +0100 |
| commit | 131c60c39cf05287b07025b5eefac7bc10c086b0 (patch) | |
| tree | 107def1cf1ae57dac86ebd496eca84a480be6f01 /tools/testing | |
| parent | selftests: ftrace: Add --quiet option not to show error logs on screen (diff) | |
| download | linux-131c60c39cf05287b07025b5eefac7bc10c086b0.tar.xz linux-131c60c39cf05287b07025b5eefac7bc10c086b0.zip | |
selftests: ftrace: Check whether snapshot trigger is supported correctly
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.
Link: http://lkml.kernel.org/r/147928401215.22982.10411665829041109794.stgit@devbox
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Diffstat (limited to 'tools/testing')
| -rw-r--r-- | tools/testing/selftests/ftrace/test.d/trigger/trigger-snapshot.tc | 5 |
1 files changed, 5 insertions, 0 deletions
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 f84b80d551a2..ed94f0c4e0e4 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 |