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SubjectRe: [PATCH] selftests/ftrace: Return unsupported if no error_log file
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On 5/25/20 4:20 AM, Masami Hiramatsu wrote:
> Check whether error_log file exists in tracing/error_log testcase
> and return UNSUPPORTED if no error_log file.
>
> This can happen if we run the ftracetest on the older stable
> kernel.
>
> Fixes: 4eab1cc461a6 ("selftests/ftrace: Add tracing/error_log testcase")
> Cc: stable@vger.kernel.org
> Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
> ---
> .../ftrace/test.d/ftrace/tracing-error-log.tc | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/tools/testing/selftests/ftrace/test.d/ftrace/tracing-error-log.tc b/tools/testing/selftests/ftrace/test.d/ftrace/tracing-error-log.tc
> index 021c03fd885d..23465823532b 100644
> --- a/tools/testing/selftests/ftrace/test.d/ftrace/tracing-error-log.tc
> +++ b/tools/testing/selftests/ftrace/test.d/ftrace/tracing-error-log.tc
> @@ -14,6 +14,8 @@ if [ ! -f set_event ]; then
> exit_unsupported
> fi
>
> +[ -f error_log ] || exit_unsupported
> +
> ftrace_errlog_check 'event filter parse error' '((sig >= 10 && sig < 15) || dsig ^== 17) && comm != bash' 'events/signal/signal_generate/filter'
>
> exit 0
>

Applied to

git.kernel.org/pub/scm/linux/kernel/git/shuah/linux kselftest.git/ next
branch for Linux 5.8-rc1

thanks,
-- Shuah

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