selftests/tracing: Add hist poll() support test

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Add a testcase for poll() on hist file. This introduces a helper binary
to the ftracetest, because there is no good way to reliably execute
poll() on hist file.

Cc: Shuah Khan <shuah@kernel.org>
Cc: Tom Zanussi <zanussi@kernel.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Link: https://lore.kernel.org/173547867935.569911.10127126796879854182.stgit@devnote2
Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Reviewed-by: Shuah Khan <skhan@linuxfoundation.org>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>

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Masami Hiramatsu (Google) 2024-12-29 22:24:39 +09:00 • committed by Steven Rostedt (Google)

parent 66fc6f521a

commit 80c3e28528

3 changed files with 150 additions and 0 deletions

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2

tools/testing/selftests/ftrace/Makefile

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74

tools/testing/selftests/ftrace/poll.c

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74

tools/testing/selftests/ftrace/test.d/trigger/trigger-hist-poll.tc

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