linux-kernel - Re: [PATCH 1/3] selftests/ftrace: fix glob selftest

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Date:   Thu, 19 Dec 2019 18:31:51 -0500
From:   Steven Rostedt <rostedt@...dmis.org>
To:     Sven Schnelle <svens@...ux.ibm.com>
Cc:     linux-trace-devel@...r.kernel.org,
        Shuah Khan <shuahkhan@...il.com>,
        Masami Hiramatsu <mhiramat@...nel.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/3] selftests/ftrace: fix glob selftest

On Wed, 18 Dec 2019 08:44:25 +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 '*time*ns' which would hopefully match some of the
> ktime_() functions on all platforms.

This requires an ack from Masami, and this patch can go through Shuah's
tree.

Also, any patches for the Linux kernel should be Cc'd to lkml. The
linux-trace-devel is mostly for tracing tools, not kernel patches.

-- Steve

> 
> 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..a5d61667cd56 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$'
> +ftrace_filter_check '*time*ns' '.*time.*ns$'
>  
>  # filter by start*mid*
>  ftrace_filter_check 'mutex*try*' '^mutex.*try.*'