linux-kernel - Re: [PATCHv2] selftests/powerpc/eeh: disable kselftest timeout setting for eeh-basic

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Date:   Tue, 17 Nov 2020 18:16:23 +0800
From:   Po-Hsu Lin <po-hsu.lin@...onical.com>
To:     linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
        linux-kselftest@...r.kernel.org,
        Michael Ellerman <mpe@...erman.id.au>
Cc:     benh@...nel.crashing.org, shuah <shuah@...nel.org>, mbenes@...e.cz,
        joe.lawrence@...hat.com, mathieu.desnoyers@...icios.com
Subject: Re: [PATCHv2] selftests/powerpc/eeh: disable kselftest timeout
 setting for eeh-basic

Hello,
any update on this patch?
Or do we want to increase the timeout here?
Thanks!

On Fri, Oct 23, 2020 at 10:45 AM Po-Hsu Lin <po-hsu.lin@...onical.com> wrote:
>
> The eeh-basic test got its own 60 seconds timeout (defined in commit
> 414f50434aa2 "selftests/eeh: Bump EEH wait time to 60s") per breakable
> device.
>
> And we have discovered that the number of breakable devices varies
> on different hardware. The device recovery time ranges from 0 to 35
> seconds. In our test pool it will take about 30 seconds to run on a
> Power8 system that with 5 breakable devices, 60 seconds to run on a
> Power9 system that with 4 breakable devices.
>
> Extend the timeout setting in the kselftest framework to 5 minutes
> to give it a chance to finish.
>
> Signed-off-by: Po-Hsu Lin <po-hsu.lin@...onical.com>
> ---
>  tools/testing/selftests/powerpc/eeh/Makefile | 2 +-
>  tools/testing/selftests/powerpc/eeh/settings | 1 +
>  2 files changed, 2 insertions(+), 1 deletion(-)
>  create mode 100644 tools/testing/selftests/powerpc/eeh/settings
>
> diff --git a/tools/testing/selftests/powerpc/eeh/Makefile b/tools/testing/selftests/powerpc/eeh/Makefile
> index b397bab..ae963eb 100644
> --- a/tools/testing/selftests/powerpc/eeh/Makefile
> +++ b/tools/testing/selftests/powerpc/eeh/Makefile
> @@ -3,7 +3,7 @@ noarg:
>         $(MAKE) -C ../
>
>  TEST_PROGS := eeh-basic.sh
> -TEST_FILES := eeh-functions.sh
> +TEST_FILES := eeh-functions.sh settings
>
>  top_srcdir = ../../../../..
>  include ../../lib.mk
> diff --git a/tools/testing/selftests/powerpc/eeh/settings b/tools/testing/selftests/powerpc/eeh/settings
> new file mode 100644
> index 0000000..694d707
> --- /dev/null
> +++ b/tools/testing/selftests/powerpc/eeh/settings
> @@ -0,0 +1 @@
> +timeout=300
> --
> 2.7.4
>