linux-kernel - Re: [PATCH 5/5] selftests/resctrl: Flush stdout file buffer before executing fork()

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Message-ID: <3ffb6891-aa32-6835-2cbd-e9b2f204ac8f@intel.com>
Date:   Thu, 22 Sep 2022 10:52:15 -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 5/5] selftests/resctrl: Flush stdout file buffer before
 executing fork()



On 9/13/2022 6:51 PM, Shaopeng Tan wrote:
> When a process has buffered output, a child process created by fork()
> will also copy buffered output. When using kselftest framework,
> the output (resctrl test result message) will be printed multiple times.
> 
> Add fflush() to flush out the buffered output before executing fork().
> 
> Signed-off-by: Shaopeng Tan <tan.shaopeng@...fujitsu.com>

Thank you Shaopeng.

Reviewed-by: Reinette Chatre <reinette.chatre@...el.com>

Reinette