linux-kernel - Re: [PATCH 6/7] psi: pressure stall information for CPU, memory, and IO

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Message-ID: <20180508140648.GB2900@cmpxchg.org>
Date:   Tue, 8 May 2018 10:06:48 -0400
From:   Johannes Weiner <hannes@...xchg.org>
To:     Randy Dunlap <rdunlap@...radead.org>
Cc:     linux-kernel@...r.kernel.org, linux-mm@...ck.org,
        linux-block@...r.kernel.org, cgroups@...r.kernel.org,
        Ingo Molnar <mingo@...hat.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Andrew Morton <akpm@...uxfoundation.org>,
        Tejun Heo <tj@...nel.org>,
        Balbir Singh <bsingharora@...il.com>,
        Mike Galbraith <efault@....de>,
        Oliver Yang <yangoliver@...com>,
        Shakeel Butt <shakeelb@...gle.com>,
        xxx xxx <x.qendo@...il.com>,
        Taras Kondratiuk <takondra@...co.com>,
        Daniel Walker <danielwa@...co.com>,
        Vinayak Menon <vinmenon@...eaurora.org>,
        Ruslan Ruslichenko <rruslich@...co.com>, kernel-team@...com
Subject: Re: [PATCH 6/7] psi: pressure stall information for CPU, memory, and
 IO

On Mon, May 07, 2018 at 05:42:36PM -0700, Randy Dunlap wrote:
> On 05/07/2018 02:01 PM, Johannes Weiner wrote:
> > + * The ratio is tracked in decaying time averages over 10s, 1m, 5m
> > + * windows. Cumluative stall times are tracked and exported as well to
> 
>                Cumulative
> 

> > +/**
> > + * psi_memstall_leave - mark the end of an memory stall section
> 
>                                     end of a memory

Thanks Randy, I'll get those fixed.