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

From: Reinette Chatre
Date: Wed Apr 12 2023 - 13:32:15 EST


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