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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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