selftests/ftrace: Limit length in subsystem-enable tests

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While sched* events being traced and sched* events continuously happen,
"[xx] event tracing - enable/disable with subsystem level files" would
not stop as on some slower systems it seems to take forever.
Select the first 100 lines of output would be enough to judge whether
there are more than 3 types of sched events.

Fixes: 815b18ea66 ("ftracetest: Add basic event tracing test cases")
Cc: stable@vger.kernel.org
Signed-off-by: Yuanhe Shu <xiangzao@linux.alibaba.com>
Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Acked-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>

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Yuanhe Shu 2024-02-26 11:18:16 +08:00 • committed by Shuah Khan

parent 224fe424c3

commit 1a4ea83a6e

1 changed files with 3 additions and 3 deletions

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tools/testing/selftests/ftrace/test.d/event/subsystem-enable.tc

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