linux-kernel - Re: [PATCH v8 4/5] tick/nohz_full: Ensure quiet_vmstat() is called on exit to user-mode when the idle tick is stopped

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Message-ID: <20220929082216.vbkyzbxhsq2ixjdm@ava.usersys.com>
Date:   Thu, 29 Sep 2022 09:22:16 +0100
From:   Aaron Tomlin <atomlin@...hat.com>
To:     Rafael Folco <rfolco@...hat.com>
Cc:     frederic@...nel.org, mtosatti@...hat.com, cl@...ux.com,
        tglx@...utronix.de, mingo@...nel.org, peterz@...radead.org,
        pauld@...hat.com, neelx@...hat.com, oleksandr@...alenko.name,
        atomlin@...mlin.com, akpm@...ux-foundation.org,
        linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: Re: [PATCH v8 4/5] tick/nohz_full: Ensure quiet_vmstat() is called
 on exit to user-mode when the idle tick is stopped

On Tue 2022-09-27 13:17 -0300, Rafael Folco wrote:
> Tested this patch w/ nohz_full setup and oslat 8h run on isolated cpus, max
> latency is 7us versus 15us without the patch.
> Thanks.

Hi Rafael,

Good news. Thanks for the feedback.
May I add Tested-by: ?


Kind regards,

-- 
Aaron Tomlin