linux-kernel - Re: [PATCH v8 0/6] Some improvements of resctrl selftest

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Date:   Wed, 12 Apr 2023 10:30:47 -0700
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 v8 0/6] Some improvements of resctrl selftest

Hi Shaopeng,

On 2/15/2023 12:32 AM, Shaopeng Tan wrote:
> Hello,
> 
> The aim of this patch series is to improve the resctrl selftest.
> Without these fixes, some unnecessary processing will be executed
> and test results will be confusing. 
> There is no behavior change in test themselves.
> 
> [patch 1] Make write_schemata() run to set up shemata with 100% allocation
> 	  on first run in MBM test.
> [patch 2] The MBA test result message is always output as "ok",
> 	  make output message to be "not ok" if MBA check result is failed.
> [patch 3] When a child process is created by fork(), the buffer of the 
> 	  parent process is also copied. Flush the buffer before
> 	  executing fork().
> [patch 4] An error occurs whether in parents process or child process,
> 	  the parents process always kills child process and runs
> 	  umount_resctrlfs(), and the child process always waits to be
> 	  killed by the parent process.
> [patch 5] If a signal received, to cleanup properly before exiting the
> 	  parent process, commonize the signal handler registered for 
> 	  CMT/MBM/MBA tests and reuse it in CAT, also unregister the 
> 	  signal handler at the end of each test.
> [patch 6] Before exiting each test CMT/CAT/MBM/MBA, clear test result 
> 	  files function cat/cmt/mbm/mba_test_cleanup() are called
> 	  twice. Delete once.
> 
> This patch series is based on Linux v6.2-rc7.
> 

A later patch series was picked up by kselftest causing a conflict with
this series. Could you please submit a new version that is based on
the "next" branch of
git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest.git ?

Thank you very much

Reinette