linux-kernel - Re: [tip:perf/core] perf/x86/amd: Add support for AMD NB and L2I " uncore" counters

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Date:	Sun, 21 Apr 2013 09:32:52 -0500
From:	Jacob Shin <jacob.shin@....com>
To:	<mingo@...nel.org>, <hpa@...or.com>, <eranian@...gle.com>,
	<linux-kernel@...r.kernel.org>, <a.p.zijlstra@...llo.nl>,
	<acme@...stprotocols.net>, <jolsa@...hat.com>, <tglx@...utronix.de>
CC:	<linux-tip-commits@...r.kernel.org>
Subject: Re: [tip:perf/core] perf/x86/amd: Add support for AMD NB and L2I "
 uncore" counters

On Sun, Apr 21, 2013 at 05:48:36AM -0700, tip-bot for Jacob Shin wrote:
> Commit-ID:  c43ca5091a374c1f6778bd7e4a39a5a10735a917
> Gitweb:     http://git.kernel.org/tip/c43ca5091a374c1f6778bd7e4a39a5a10735a917
> Author:     Jacob Shin <jacob.shin@....com>
> AuthorDate: Fri, 19 Apr 2013 16:34:28 -0500
> Committer:  Ingo Molnar <mingo@...nel.org>
> CommitDate: Sun, 21 Apr 2013 11:01:24 +0200
> 
> perf/x86/amd: Add support for AMD NB and L2I "uncore" counters
> 
> Add support for AMD Family 15h [and above] northbridge
> performance counters. MSRs 0xc0010240 ~ 0xc0010247 are shared
> across all cores that share a common northbridge.
> 
> Add support for AMD Family 16h L2 performance counters. MSRs
> 0xc0010230 ~ 0xc0010237 are shared across all cores that share a
> common L2 cache.
> 
> We do not enable counter overflow interrupts. Sampling mode and
> per-thread events are not supported.
> 
> Signed-off-by: Jacob Shin <jacob.shin@....com>
> Cc: Arnaldo Carvalho de Melo <acme@...stprotocols.net>
> Cc: Stephane Eranian <eranian@...gle.com>
> Cc: Jiri Olsa <jolsa@...hat.com>
> Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl>
> Link: http://lkml.kernel.org/r/20130419213428.GA8229@jshin-Toonie
> Signed-off-by: Ingo Molnar <mingo@...nel.org>

Thanks Ingo.

This is [PATCH 2/2],
There is also [PATCH 1/2] which removes NB counter support from
perf_event_amd.c that is needed:

  http://lkml.org/lkml/2013/4/15/421

(Also .mbox attached)

Thanks,

-Jacob

View attachment "patch1.mbox" of type "text/plain" (9329 bytes)