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Message-ID: <d9f81a0f-5f25-9304-fdca-fc164224a786@linuxfoundation.org>
Date:   Fri, 18 Feb 2022 13:44:09 -0700
From:   Shuah Khan <skhan@...uxfoundation.org>
To:     Shaopeng Tan <tan.shaopeng@...fujitsu.com>,
        Fenghua Yu <fenghua.yu@...el.com>,
        Reinette Chatre <reinette.chatre@...el.com>,
        Shuah Khan <shuah@...nel.org>
Cc:     linux-kernel@...r.kernel.org, linux-kselftest@...r.kernel.org,
        Shuah Khan <skhan@...uxfoundation.org>
Subject: Re: [PATCH v3 0/5] selftests/resctrl: Add resctrl_tests into
 kselftest set

On 2/15/22 7:26 PM, Shaopeng Tan wrote:
> Hello,
> 
> The aim of this series is to make resctrl_tests run by using
> kselftest framework.
> - I modify resctrl_test Makefile and kselftest Makefile,
>    to enable build/run resctrl_tests by using kselftest framework.
>    Of course, users can also build/run resctrl_tests without
>    using framework as before.
> - I change the default limited time for resctrl_tests to 120 seconds, to
>    ensure the resctrl_tests finish in limited time on different environments.
> - When resctrl file system is not supported by environment or
>    resctrl_tests is not run as root, return skip code of kselftest framework.
> - If resctrl_tests does not finish in limited time, terminate it as
>    same as executing ctrl+c that kills parent process and child process.
> 
> Difference from v2:
> - I reworte changelog of this patch series.
> - I added how to use framework to run resctrl to README. [PATCH v3 2/5]
> - License has no dependencies on this patch series, I separated from it this patch series to another patch.
> https://lore.kernel.org/lkml/20211213100154.180599-1-tan.shaopeng@jp.fujitsu.com/
> 
> With regard to the limited time, I think 120s is not a problem since some tests have a longer
> timeout (e.g. net test is 300s). Please let me know if this is wrong.
> 
> Thanks,
> 
> Shaopeng Tan (5):
>    selftests/resctrl: Kill child process before parent process terminates
>      if SIGTERM is received
>    selftests/resctrl: Make resctrl_tests run using kselftest framework
>    selftests/resctrl: Update README about using kselftest framework to
>      build/run resctrl_tests
>    selftests/resctrl: Change the default limited time to 120 seconds
>    selftests/resctrl: Fix resctrl_tests' return code to work with
>      selftest framework
> 
>   tools/testing/selftests/Makefile              |  1 +
>   tools/testing/selftests/resctrl/Makefile      | 20 ++++-------
>   tools/testing/selftests/resctrl/README        | 34 +++++++++++++++++++
>   .../testing/selftests/resctrl/resctrl_tests.c |  4 +--
>   tools/testing/selftests/resctrl/resctrl_val.c |  1 +
>   tools/testing/selftests/resctrl/settings      |  1 +
>   6 files changed, 45 insertions(+), 16 deletions(-)
>   create mode 100644 tools/testing/selftests/resctrl/settings
> 

Reviewed the patches - patches 1/5, 4/5 & 5/5 don't depend on kselftest
framework improvements. 2/5 and 3/5 are.

Please reorder the patches - move 4/5 and 5/5 up and make 2/5 and 3/5
the last in this series. Also see comments on individual patches.

thanks,
-- Shuah



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