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

From: Jacob Shin
Date: Sun Apr 21 2013 - 10:33:08 EST


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@xxxxxxx>
> AuthorDate: Fri, 19 Apr 2013 16:34:28 -0500
> Committer: Ingo Molnar <mingo@xxxxxxxxxx>
> 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@xxxxxxx>
> Cc: Arnaldo Carvalho de Melo <acme@xxxxxxxxxxxxxxxxxx>
> Cc: Stephane Eranian <eranian@xxxxxxxxxx>
> Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
> Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
> Link: 20130419213428.GA8229@jshin-Toonie">http://lkml.kernel.org/r/20130419213428.GA8229@jshin-Toonie
> Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>

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