linux-kernel - Re: [PATCH v2] selftests/ftrace: fix glob selftest

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Date:   Tue, 7 Jan 2020 18:42:53 -0500
From:   Steven Rostedt <rostedt@...dmis.org>
To:     Sven Schnelle <svens@...ux.ibm.com>
Cc:     LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2] selftests/ftrace: fix glob selftest

On Tue,  7 Jan 2020 10:40:47 +0100
Sven Schnelle <svens@...ux.ibm.com> wrote:

> test.d/ftrace/func-filter-glob.tc is failing on s390 because it has
> ARCH_INLINE_SPIN_LOCK and friends set to 'y'. So the usual
> __raw_spin_lock symbol isn't in the ftrace function list. Change
> '*aw*lock' to '*spin*lock' which would hopefully match some of the
> locking functions on all platforms.
> 
> Signed-off-by: Sven Schnelle <svens@...ux.ibm.com>
> ---
>  .../testing/selftests/ftrace/test.d/ftrace/func-filter-glob.tc  | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/tools/testing/selftests/ftrace/test.d/ftrace/func-filter-glob.tc b/tools/testing/selftests/ftrace/test.d/ftrace/func-filter-glob.tc
> index 27a54a17da65..cf296a3dd723 100644
> --- a/tools/testing/selftests/ftrace/test.d/ftrace/func-filter-glob.tc
> +++ b/tools/testing/selftests/ftrace/test.d/ftrace/func-filter-glob.tc
> @@ -30,7 +30,7 @@ ftrace_filter_check '*schedule*' '^.*schedule.*$'
>  ftrace_filter_check 'schedule*' '^schedule.*$'
>  
>  # filter by *mid*end
> -ftrace_filter_check '*aw*lock' '.*aw.*lock$'
> +ftrace_filter_check '*spin*lock' '.*spin.*lock$'

Just to make it not check the beginning, can you remove the 's':

  '*pin*lock' '.*pin.*lock$'

Thanks!

-- Steve

>  
>  # filter by start*mid*
>  ftrace_filter_check 'mutex*try*' '^mutex.*try.*'