From owner-svn-src-head@FreeBSD.ORG Tue Apr 10 19:47:27 2012 Return-Path: Delivered-To: svn-src-head@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id D9F661065672 for ; Tue, 10 Apr 2012 19:47:27 +0000 (UTC) (envelope-from andrey@zonov.org) Received: from mail-lb0-f182.google.com (mail-lb0-f182.google.com [209.85.217.182]) by mx1.freebsd.org (Postfix) with ESMTP id E45638FC12 for ; Tue, 10 Apr 2012 19:47:26 +0000 (UTC) Received: by lbbgj3 with SMTP id gj3so182508lbb.13 for ; Tue, 10 Apr 2012 12:47:25 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20120113; h=message-id:date:from:user-agent:mime-version:to:cc:subject :references:in-reply-to:content-type:x-gm-message-state; bh=G5ebDz/lXDJS6/VtntBCT4PjVpxegM4+fXRs0QL5w+I=; b=JytZykrX/N9CHuz7KV27zwm8w7O1kEO2Ge1G/cnGVrCXOjqasq2/npnqiMqDZaH4hS IsiZKk+uUyTOECGOIyLDm2NSlWMDZSFVc+MOpqShUtiy9j2AbfQhqKzDe5DhWY/NMiTv FFUuqTorgpRbGLq4vr8VrukynhmTnEFk01uo6suvIlhyzySWNFQiCwnzhaV5zcEAfirX YaonEn9AzIA8bNHhXm1xBcr0zfTd2pko2tkgzEZZBD8mC/sHlsYoZujCSgQf+xMo9aHT O05QmUZARVhMQBDsBqPRpQoz5AYRlJCZbN6+0vY0mSRUcObKMfnqGI6rMmWC9Bm+0kmU GADQ== Received: by 10.152.131.66 with SMTP id ok2mr16000296lab.10.1334087245634; Tue, 10 Apr 2012 12:47:25 -0700 (PDT) Received: from [10.254.254.77] ([109.252.212.252]) by mx.google.com with ESMTPS id mr15sm286685lab.8.2012.04.10.12.47.24 (version=SSLv3 cipher=OTHER); Tue, 10 Apr 2012 12:47:25 -0700 (PDT) Message-ID: <4F848E4B.8020302@zonov.org> Date: Tue, 10 Apr 2012 23:47:23 +0400 From: Andrey Zonov User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; ru; rv:1.8.1.24) Gecko/20100228 Thunderbird/2.0.0.24 Mnenhy/0.7.6.0 MIME-Version: 1.0 To: John Baldwin References: <201204051713.q35HDE3d067735@svn.freebsd.org> In-Reply-To: <201204051713.q35HDE3d067735@svn.freebsd.org> Content-Type: multipart/mixed; boundary="------------080007010705000102020006" X-Gm-Message-State: ALoCoQkufsNshmU8Sd3r04PX70dbFBMbP34K6SsDWxilvxio0gOu49VnBe93p70WLPf/k2Skkr4m Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org Subject: Re: svn commit: r233925 - in head: sys/kern sys/sys sys/vm usr.bin/kdump usr.bin/ktrace X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 10 Apr 2012 19:47:27 -0000 This is a multi-part message in MIME format. --------------080007010705000102020006 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 05.04.2012 21:13, John Baldwin wrote: > Author: jhb > Date: Thu Apr 5 17:13:14 2012 > New Revision: 233925 > URL: http://svn.freebsd.org/changeset/base/233925 > > Log: > Add new ktrace records for the start and end of VM faults. This gives > a pair of records similar to syscall entry and return that a user can > use to determine how long page faults take. The new ktrace records are > enabled via the 'p' trace type, and are enabled in the default set of > trace points. > > Reviewed by: kib > MFC after: 2 weeks > Hi John, Thanks a lot, this change is very useful! And while you are here I would like to show you a patch which adds a "wmesg" to the context switch tracing. It is not finished, it's just a concept. Please review it and if you are interesting in that I'll finish it and will test more widely. -- Andrey Zonov --------------080007010705000102020006 Content-Type: text/plain; charset=windows-1251; name="ktrace_csw.patch" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="ktrace_csw.patch" SW5kZXg6IHVzci5iaW4va2R1bXAva2R1bXAuYwo9PT09PT09PT09PT09PT09PT09PT09PT09 PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09Ci0tLSB1c3IuYmlu L2tkdW1wL2tkdW1wLmMJKHJldmlzaW9uIDIzMzkyNSkKKysrIHVzci5iaW4va2R1bXAva2R1 bXAuYwkod29ya2luZyBjb3B5KQpAQCAtMTI0Nyw4ICsxMjQ3LDggQEAga3RycHNpZyhzdHJ1 Y3Qga3RyX3BzaWcgKnBzaWcpCiB2b2lkCiBrdHJjc3coc3RydWN0IGt0cl9jc3cgKmNzKQog ewotCXByaW50ZigiJXMgJXNcbiIsIGNzLT5vdXQgPyAic3RvcCIgOiAicmVzdW1lIiwKLQkJ Y3MtPnVzZXIgPyAidXNlciIgOiAia2VybmVsIik7CisJcHJpbnRmKCIlcyAlcyBcIiVzXCJc biIsIGNzLT5vdXQgPyAic3RvcCIgOiAicmVzdW1lIiwKKwkJY3MtPnVzZXIgPyAidXNlciIg OiAia2VybmVsIiwgY3MtPndtZXNnID8gY3MtPndtZXNnIDogIiIpOwogfQogCiAjZGVmaW5l 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