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

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Date:   Wed, 16 Feb 2022 11:26:36 +0900
From:   Shaopeng Tan <tan.shaopeng@...fujitsu.com>
To:     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,
        tan.shaopeng@...fujitsu.com
Subject: [PATCH v3 0/5] selftests/resctrl: Add resctrl_tests into kselftest set

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

-- 
2.27.0