Received: by 10.192.165.148 with SMTP id m20csp4347249imm; Tue, 8 May 2018 07:05:44 -0700 (PDT) X-Google-Smtp-Source: AB8JxZo20CMx5TbNndJ2H96VceAgK4iIwpiqTcKshdsMjpBFy7kxd/6Qa1HXy/atL5qFOVf60hyc X-Received: by 2002:a17:902:7487:: with SMTP id h7-v6mr40732582pll.154.1525788344622; Tue, 08 May 2018 07:05:44 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1525788344; cv=none; d=google.com; s=arc-20160816; b=MipmklNGkDAy51bOXWRAaR4ePqs0ZSczMzzE7YkGf8FW3QjvCxWloW4KauPpypTv4Y yBQ7+RJSBVwRvwCqNQUtJ+xQ58dJccTQkk2iHEWL62ZDszETGDNHBtMnhwL89oeSvQjN XEgWGidERTnh7IxeYmLVPXv3MOYYB+Up4nIDgjP+ZEqtnNaPQj0pk/LLNXN0NP/rN3qH oxm2v9vAQUk2Yjp5/FLl9ZQjUWkZhb7vGcdDn+UoKNRgbzRNF0SBB02/BhOl95YCsAkM jhwnUMMQ1VtnVowHWDMpdKKH2aS/jj1BdFWYE7Th8rUCdJZzRAt+8krukDwlpoXp3MEE kIWg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date:dkim-signature:arc-authentication-results; bh=yV9mx4MM9CtIkOlDtJkY37nJ1rCbjTHtcSVrNOCcgDI=; b=mtOsVrjUVET5EDpxCHd/v/94CR1W+48F5tL5AQRO84s2y+oEcFfRnNmHb9JDSWPj8S Yu+ufzg/pRHZ3hoLlB/0j2YgCB7M/E/sfGXNXzTOxXWaZ4lcfXh/EWow13Wnlx3Hcs2b xazIGVu1Z5da8r6AP/ZIukefxXMqTNWq58X4GFuEeYi9ndhj06iQmOCeMAZVIdZQppxQ TsQIvJVXoR6knsXy7fVVfiGki0CWtClsgeuTy6Kd3WMIe7XuyarD/7qff7gq/3dFXQEm MZXQK19Eh/zoEk7NnsLqV4ZQXuj5OP7H9cV4SzhEZVimxebPxNHhv1THgV4JhBCfAdd4 CrDw== ARC-Authentication-Results: i=1; mx.google.com; dkim=fail header.i=@cmpxchg.org header.s=x header.b=U6x1hkMZ; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=cmpxchg.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id z128-v6si15019775pgb.28.2018.05.08.07.05.29; Tue, 08 May 2018 07:05:44 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=fail header.i=@cmpxchg.org header.s=x header.b=U6x1hkMZ; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=cmpxchg.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755330AbeEHOE5 (ORCPT + 99 others); Tue, 8 May 2018 10:04:57 -0400 Received: from gum.cmpxchg.org ([85.214.110.215]:49824 "EHLO gum.cmpxchg.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755074AbeEHOE4 (ORCPT ); Tue, 8 May 2018 10:04:56 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=cmpxchg.org ; s=x; h=In-Reply-To:Content-Type:MIME-Version:References:Message-ID:Subject: Cc:To:From:Date:Sender:Reply-To:Content-Transfer-Encoding:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=yV9mx4MM9CtIkOlDtJkY37nJ1rCbjTHtcSVrNOCcgDI=; b=U6x1hkMZxnJLIho9M2MCnsN3HZ 3WUWZjtucFaPS6iaV+jGPbGmowAee7OLQqcrevbhxFusQMnxtowpbQdOJx6pf2Eb43o70X6Hbfnj4 RtGy/cDVCSEzA/fNjJQcpHcDAMgm3LtIetIYW+eroT0c57D/vZ72PoyR3aef3i1ueeAQ=; Date: Tue, 8 May 2018 10:06:48 -0400 From: Johannes Weiner To: Randy Dunlap Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-block@vger.kernel.org, cgroups@vger.kernel.org, Ingo Molnar , Peter Zijlstra , Andrew Morton , Tejun Heo , Balbir Singh , Mike Galbraith , Oliver Yang , Shakeel Butt , xxx xxx , Taras Kondratiuk , Daniel Walker , Vinayak Menon , Ruslan Ruslichenko , kernel-team@fb.com Subject: Re: [PATCH 6/7] psi: pressure stall information for CPU, memory, and IO Message-ID: <20180508140648.GB2900@cmpxchg.org> References: <20180507210135.1823-1-hannes@cmpxchg.org> <20180507210135.1823-7-hannes@cmpxchg.org> <024fba07-eece-3878-0924-ea9fd601542d@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <024fba07-eece-3878-0924-ea9fd601542d@infradead.org> User-Agent: Mutt/1.9.4 (2018-02-28) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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.