linux-kernel - RE: [PATCH v3 0/5] selftests/resctrl: Add resctrl

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Message-ID: <TYAPR01MB63306F67590849B0354D8FB78B3E9@TYAPR01MB6330.jpnprd01.prod.outlook.com>
Date:   Fri, 25 Feb 2022 08:03:44 +0000
From:   "tan.shaopeng@...itsu.com" <tan.shaopeng@...itsu.com>
To:     'Shuah Khan' <skhan@...uxfoundation.org>,
        Fenghua Yu <fenghua.yu@...el.com>,
        Reinette Chatre <reinette.chatre@...el.com>,
        Shuah Khan <shuah@...nel.org>
CC:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-kselftest@...r.kernel.org" <linux-kselftest@...r.kernel.org>
Subject: RE: [PATCH v3 0/5] selftests/resctrl: Add resctrl_tests into
 kselftest set

Hi Shuah,

> 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.f
> > ujitsu.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.

Ok, I will reorder all patches as follows, so that independent patches come first
and Makefile related patches come last:
[PATCH 1/5] selftests/resctrl: Kill child process before parent process terminates if SIGTERM is received
[PATCH 4/5] selftests/resctrl: Change the default limited time to 120 seconds
[PATCH 5/5] selftests/resctrl: Fix resctrl_tests' return code to work with selftest framework
[PATCH 2/5] selftests/resctrl: Make resctrl_tests run using kselftest framework
[PATCH 3/5] selftests/resctrl: Update README about using kselftest framework to build/run resctrl_tests
[PATCH] selftests/resctrl: Add missing SPDX license to Makefile

Please let me know if I'm wrong.

Best regards,
Tan Shaopeng