linux-kernel - Re: [PATCH v5 2/6] selftests/resctrl: Change the default limited time to 120 seconds

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Message-ID: <26549e0e-d214-ad36-a690-03ac1fbbec54@intel.com>
Date:   Fri, 11 Mar 2022 15:12:33 -0800
From:   Reinette Chatre <reinette.chatre@...el.com>
To:     Shaopeng Tan <tan.shaopeng@...fujitsu.com>,
        Fenghua Yu <fenghua.yu@...el.com>,
        Shuah Khan <shuah@...nel.org>
CC:     <linux-kernel@...r.kernel.org>, <linux-kselftest@...r.kernel.org>
Subject: Re: [PATCH v5 2/6] selftests/resctrl: Change the default limited time
 to 120 seconds



On 3/10/2022 11:21 PM, Shaopeng Tan wrote:
> When testing on a Intel(R) Xeon(R) Gold 6254 CPU @ 3.10GHz the resctrl
> selftests fail due to timeout after exceeding the default time limit of
> 45 seconds. On this system the test takes about 68 seconds.
> Since the failing test by default accesses a fixed size of memory, the
> execution time should not vary significantly between different environment.
> A new default of 120 seconds should be sufficient yet easy to customize
> with the introduction of the "settings" file for reference.
> 
> Signed-off-by: Shaopeng Tan <tan.shaopeng@...fujitsu.com>
> ---
>  tools/testing/selftests/resctrl/settings | 3 +++
>  1 file changed, 3 insertions(+)
>  create mode 100644 tools/testing/selftests/resctrl/settings
> 
> diff --git a/tools/testing/selftests/resctrl/settings b/tools/testing/selftests/resctrl/settings
> new file mode 100644
> index 000000000000..a383f3d4565b
> --- /dev/null
> +++ b/tools/testing/selftests/resctrl/settings
> @@ -0,0 +1,3 @@
> +# If running time is longer than 120 seconds when new tests are added in
> +# the future, increase timeout here.
> +timeout=120

Reviewed-by: Reinette Chatre <reinette.chatre@...el.com>

Reinette