linux-kernel - Re: [ipc/msg] 72d1e61108: stress-ng.msg.ops_per

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Message-Id: <20221012122611.3ab2deb4a00c92ef45be5872@linux-foundation.org>
Date:   Wed, 12 Oct 2022 12:26:11 -0700
From:   Andrew Morton <akpm@...ux-foundation.org>
To:     kernel test robot <yujie.liu@...el.com>
Cc:     Jiebin Sun <jiebin.sun@...el.com>, <lkp@...ts.01.org>,
        <lkp@...el.com>, <linux-kernel@...r.kernel.org>,
        "Tim Chen" <tim.c.chen@...ux.intel.com>,
        Alexander Mikhalitsyn <alexander.mikhalitsyn@...tuozzo.com>,
        Alexey Gladkov <legion@...nel.org>,
        Christoph Lameter <cl@...ux.com>,
        Davidlohr Bueso <dave@...olabs.net>,
        "Dennis Zhou" <dennis@...nel.org>,
        "Eric W . Biederman" <ebiederm@...ssion.com>,
        Manfred Spraul <manfred@...orfullife.com>,
        Shakeel Butt <shakeelb@...gle.com>, Tejun Heo <tj@...nel.org>,
        Vasily Averin <vasily.averin@...ux.dev>,
        <ying.huang@...el.com>, <feng.tang@...el.com>,
        <zhengjun.xing@...ux.intel.com>, <fengwei.yin@...el.com>
Subject: Re: [ipc/msg] 72d1e61108: stress-ng.msg.ops_per_sec 262.8%
 improvement

On Wed, 12 Oct 2022 16:30:20 +0800 kernel test robot <yujie.liu@...el.com> wrote:

> FYI, we noticed a 262.8% improvement of stress-ng.msg.ops_per_sec due to commit:
> 
> commit: 72d1e611082eda18689106a0c192f2827072713c ("ipc/msg: mitigate the lock contention with percpu counter")

Awesome, thanks!