Received: by 10.223.164.221 with SMTP id h29csp1982789wrb; Wed, 25 Oct 2017 10:03:35 -0700 (PDT) X-Google-Smtp-Source: ABhQp+SMgznXFz3u/1CL82TYkP8IOeP8XsXyy5fhALrjWm7eQxrUUxkCZ1p5dTMlBG2dyHEVIheC X-Received: by 10.98.7.85 with SMTP id b82mr2812171pfd.262.1508951015036; Wed, 25 Oct 2017 10:03:35 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1508951015; cv=none; d=google.com; s=arc-20160816; b=EuiFE9bJ/d6Pwvgl1hrvi3JkHiSSwj8+9HTG3APvjKY7nVcT1UYaeKAZzrAMVEd/HL rpNvr7YHdKpZ3zhsiwKRqC7ryoe7FmAFzd58SW+U0T6797z6pXSzfx55fSsgMll4C6At g+P2FBRZUaKU1GI0YfhMlCF7bNZsSfvnr4AbdGffol4FJRLqVC8OlPHDuxvaiSiMTjdF 01AaGPsjMtFF8jxGZv1XkKCozVhzJH7fpt9p/xRil9N2KwLfk2wy+4Ho1RIb9DyxPmmG pq9hu+njagtZiJviEGntFrHc1+HCyQr8uaiM2BFrOLfmbBOoeLLp33WUtHgiL+w840c0 cXpQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-language :content-transfer-encoding:in-reply-to:mime-version:user-agent:date :message-id:from:references:cc:to:subject:dkim-signature :arc-authentication-results; bh=a8radFIgDWKU73v1qGEAis5CFFkic7V3SDBjFbc37Ic=; b=urByFU980fJaelGvFqlWg/efLXctiLtsCPo4qocMPNA5GaRcbut6zl/y2fBead6aim Z8c9bx6+b6H820ccvi+8phbglWA8ILoBsqchoi0YUTcX3w/XHv4NApd+pe15KtFDuc0Y zTjxhA5T6MO2iyebNl9VXklri0Wp5KNV4DudwgNSLDo5LLFo2vgJjHLUcRyvelhbpBhj HHZSqMlVpLfb1ntiTx4LOtPmlyMyLZkqgHsR1+aKVZU/bKoSUUGbzCLZp5sUzlGFUYml EnrCLzAbsrqIgfwlWbjk60WACRBRRMIJ/ykuIQhbMw5GGDZLkyK/i8JzbVTT7j8o43Tu mrUA== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@cisco.com header.s=iport header.b=HQoPeUMf; 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=pass (p=NONE sp=NONE dis=NONE) header.from=cisco.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id u16si2249709pfl.163.2017.10.25.10.03.17; Wed, 25 Oct 2017 10:03:35 -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=pass header.i=@cisco.com header.s=iport header.b=HQoPeUMf; 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=pass (p=NONE sp=NONE dis=NONE) header.from=cisco.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751952AbdJYRCv (ORCPT + 99 others); Wed, 25 Oct 2017 13:02:51 -0400 Received: from rcdn-iport-2.cisco.com ([173.37.86.73]:17526 "EHLO rcdn-iport-2.cisco.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751705AbdJYRCu (ORCPT ); Wed, 25 Oct 2017 13:02:50 -0400 X-Greylist: delayed 554 seconds by postgrey-1.27 at vger.kernel.org; Wed, 25 Oct 2017 13:02:49 EDT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=cisco.com; i=@cisco.com; l=558; q=dns/txt; s=iport; t=1508950969; x=1510160569; h=subject:to:cc:references:from:message-id:date: mime-version:in-reply-to:content-transfer-encoding; bh=ydwk3uztkCaySDSloUTF76d6BYd2/KxsOrTn28f0ooM=; b=HQoPeUMfnv0QmfhDWozPMBe8IcaIDTppLlFg6KoYCCldh1DosZsRzP4q /xLycDhUwHSonVWZw0KIL8m1Ry3y0MaJGFrnKhBffugeTqh/TuOM/fCtp XdznyVLgXkeo+QFBdQfYBnts09ots7VYQJkeRCLJc9ZpS+KCmJ+W7BQLz I=; X-IronPort-AV: E=Sophos;i="5.43,432,1503360000"; d="scan'208";a="315223311" Received: from rcdn-core-2.cisco.com ([173.37.93.153]) by rcdn-iport-2.cisco.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 25 Oct 2017 16:53:34 +0000 Received: from [10.156.154.143] ([10.156.154.143]) by rcdn-core-2.cisco.com (8.14.5/8.14.5) with ESMTP id v9PGrYfh019796; Wed, 25 Oct 2017 16:53:34 GMT Subject: Re: Detecting page cache trashing state To: "Ruslan Ruslichenko -X (rruslich - GLOBALLOGIC INC at Cisco)" , Johannes Weiner , Taras Kondratiuk Cc: Michal Hocko , linux-mm@kvack.org, xe-linux-external@cisco.com, linux-kernel@vger.kernel.org References: <150543458765.3781.10192373650821598320@takondra-t460s> <20170915143619.2ifgex2jxck2xt5u@dhcp22.suse.cz> <150549651001.4512.15084374619358055097@takondra-t460s> <20170918163434.GA11236@cmpxchg.org> From: Daniel Walker Message-ID: <8be3f051-0858-c014-96a7-a1903f063980@cisco.com> Date: Wed, 25 Oct 2017 09:53:35 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.2.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit Content-Language: en-US X-Auto-Response-Suppress: DR, OOF, AutoReply Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 09/28/2017 08:49 AM, Ruslan Ruslichenko -X (rruslich - GLOBALLOGIC INC at Cisco) wrote: > Hi Johannes, > > Hopefully I was able to rebase the patch on top v4.9.26 (latest > supported version by us right now) > and test a bit. > The overall idea definitely looks promising, although I have one > question on usage. > Will it be able to account the time which processes spend on handling > major page faults > (including fs and iowait time) of refaulting page? Johannes, did you get a chance to review the changes from Ruslan ? Daniel From 1579799750326500722@xxx Thu Sep 28 16:00:46 +0000 2017 X-GM-THRID: 1578563211273176438 X-Gmail-Labels: Inbox,Category Forums