From owner-svn-src-stable@FreeBSD.ORG Fri Jun 1 09:57:46 2012 Return-Path: Delivered-To: svn-src-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id CD005106566C; Fri, 1 Jun 2012 09:57:46 +0000 (UTC) (envelope-from nwhitehorn@freebsd.org) Received: from argol.doit.wisc.edu (argol.doit.wisc.edu [144.92.197.212]) by mx1.freebsd.org (Postfix) with ESMTP id 79F308FC08; Fri, 1 Jun 2012 09:57:46 +0000 (UTC) MIME-version: 1.0 Content-transfer-encoding: 7BIT Content-type: text/plain; CHARSET=US-ASCII; format=flowed Received: from avs-daemon.smtpauth3.wiscmail.wisc.edu by smtpauth3.wiscmail.wisc.edu (Sun Java(tm) System Messaging Server 7u2-7.05 32bit (built Jul 30 2009)) id <0M4X00I00KW4FB00@smtpauth3.wiscmail.wisc.edu>; Fri, 01 Jun 2012 03:57:40 -0500 (CDT) Received: from wanderer.tachypleus.net (ext-40-112.eduroam.rwth-aachen.de [134.61.40.112]) by smtpauth3.wiscmail.wisc.edu (Sun Java(tm) System Messaging Server 7u2-7.05 32bit (built Jul 30 2009)) with ESMTPSA id <0M4X00F4ZKW20910@smtpauth3.wiscmail.wisc.edu>; Fri, 01 Jun 2012 03:57:39 -0500 (CDT) Date: Fri, 01 Jun 2012 10:57:37 +0200 From: Nathan Whitehorn In-reply-to: <201205291450.q4TEoLM7084840@svn.freebsd.org> To: Fabien Thomas Message-id: <4FC88401.2000404@freebsd.org> X-Spam-Report: AuthenticatedSender=yes, SenderIP=134.61.40.112 X-Spam-PmxInfo: Server=avs-16, Version=5.6.1.2065439, Antispam-Engine: 2.7.2.376379, Antispam-Data: 2012.6.1.84514, SenderIP=134.61.40.112 References: <201205291450.q4TEoLM7084840@svn.freebsd.org> User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:12.0) Gecko/20120502 Thunderbird/12.0 Cc: svn-src-stable@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org, svn-src-stable-9@freebsd.org Subject: Re: svn commit: r236238 - in stable/9: lib/libpmc sys/amd64/amd64 sys/amd64/include sys/arm/arm sys/arm/include sys/conf sys/dev/hwpmc sys/i386/i386 sys/i386/include sys/kern sys/mips/include sys/modul... X-BeenThere: svn-src-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: SVN commit messages for all the -stable branches of the src tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 01 Jun 2012 09:57:46 -0000 On 05/29/12 16:50, Fabien Thomas wrote: > Author: fabient > Date: Tue May 29 14:50:21 2012 > New Revision: 236238 > URL: http://svn.freebsd.org/changeset/base/236238 > > Log: > MFC r233628, r234598, r235229, r235831, r226986. > > Add software PMC support. > > New kernel events can be added at various location for sampling or counting. > This will for example allow easy system profiling whatever the processor is > with known tools like pmcstat(8). > > Simultaneous usage of software PMC and hardware PMC is possible, for example > looking at the lock acquire failure, page fault while sampling on > instructions. > > Sponsored by: NETASQ > This has broken the PPC build for days now. Please MFC r233635, which was required to fix it in HEAD and is also required to fix it in stable/9. Please do make universe always before committing things like this. -Nathan