Date: Fri, 01 Jun 2012 10:57:37 +0200 From: Nathan Whitehorn <nwhitehorn@freebsd.org> To: Fabien Thomas <fabient@FreeBSD.org> 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... Message-ID: <4FC88401.2000404@freebsd.org> In-Reply-To: <201205291450.q4TEoLM7084840@svn.freebsd.org> References: <201205291450.q4TEoLM7084840@svn.freebsd.org>
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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
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