linux-kernel - Re: [PATCH 1/3] selftests/ftrace: multiple

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Date:   Thu, 14 Sep 2017 08:15:19 -0700
From:   Masami Hiramatsu <mhiramat@...nel.org>
To:     shuah@...nel.org
Cc:     Thomas Meyer <thomas@...3r.de>, linux-kernel@...r.kernel.org,
        linux-kselftest@...r.kernel.org,
        Steven Rostedt <rostedt@...dmis.org>,
        Shuah Khan <shuahkh@....samsung.com>
Subject: Re: [PATCH 1/3] selftests/ftrace: multiple_kprobes: Also check for
 support

On Thu, 14 Sep 2017 08:58:20 -0600
Shuah Khan <shuah@...nel.org> wrote:

> On 09/08/2017 06:01 AM, Thomas Meyer wrote:
> > The multiple_kprobes test case fails to check for KPROBE_EVENT support.
> > Add the check to prevent a false test result.
> > 
> > Signed-off-by: Thomas Meyer <thomas@...3r.de>
> > ---
> >  tools/testing/selftests/ftrace/test.d/kprobe/multiple_kprobes.tc | 2 ++
> >  1 file changed, 2 insertions(+)
> > 
> > diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/multiple_kprobes.tc b/tools/testing/selftests/ftrace/test.d/kprobe/multiple_kprobes.tc
> > index 2a1cb9908746..a4fd4c851a5b 100644
> > --- a/tools/testing/selftests/ftrace/test.d/kprobe/multiple_kprobes.tc
> > +++ b/tools/testing/selftests/ftrace/test.d/kprobe/multiple_kprobes.tc
> > @@ -1,6 +1,8 @@
> >  #!/bin/sh
> >  # description: Register/unregister many kprobe events
> >  
> > +[ -f kprobe_events ] || exit_unsupported # this is configurable
> > +
> >  # ftrace fentry skip size depends on the machine architecture.
> >  # Currently HAVE_KPROBES_ON_FTRACE defined on x86 and powerpc64le
> >  case `uname -m` in
> > 
> 
> Hi Steve/Masami,
> 
> This patch looks good to me. Adds a check similar to the one one in
> tools/testing/selftests/ftrace/test.d/kprobe/functions

Yes, this looks good to me too :)

Acked-by: Masami Hiramatsu <mhiramat@...nel.org>

Thanks!

> 
> If you don't have objections, I will get this into 4.14-rc2 or rc3
> 
> thanks,
> -- Shuah
> --
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-- 
Masami Hiramatsu <mhiramat@...nel.org>