Date: Thu, 15 Nov 2012 15:40:02 -0600
From: Jacob Shin <jacob.shin@amd.com>
To: Peter Zijlstra <a.p.zijlstra@chello.nl>, Paul Mackerras <paulus@samba.org>,
        Ingo Molnar <mingo@redhat.com>,
        Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
CC: Thomas Gleixner <tglx@linutronix.de>, "H. Peter Anvin" <hpa@zytor.com>,
        Stephane Eranian <eranian@google.com>,
        Robert Richter <rric@kernel.org>, <x86@kernel.org>,
        <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH V2 0/4] perf, amd: Enable AMD family 15h northbridge
 counters
Message-ID: <20121115214002.GA5377@jshin-Toonie>
References: <1353015113-13262-1-git-send-email-jacob.shin@amd.com>
MIME-Version: 1.0
Content-Type: text/plain; charset="us-ascii"
Content-Disposition: inline
In-Reply-To: <1353015113-13262-1-git-send-email-jacob.shin@amd.com>
User-Agent: Mutt/1.5.21 (2010-09-15)
Sender: linux-kernel-owner@vger.kernel.org
Content-Length: 1973
Lines: 59

On Thu, Nov 15, 2012 at 03:31:49PM -0600, Jacob Shin wrote:
> The following patchset enables 4 additional performance counters in
> AMD family 15h processors that counts northbridge events -- such as
> number of DRAM accesses.
> 
> This patchset is based on top of previous work done by Robert Richter
> <rric@kernel.org> :
> 
> https://lkml.org/lkml/2012/6/19/324

Sorry this is a bit unclear, let me clarify, this patchset takes 2 of
Robert's patches from above, and adds 2 more of my own. So these 4
patches are all that's needed to enable AMD family 15h northbridge
performance counters.

If things look okay, please apply to perf/core.

Thanks!

> 
> The main differences are:
> 
> - The northbridge counters are indexed contiguously right above the
>   core performance counters.
> 
> - MSR address offset calculations are moved to architecture specific
>   files.
> 
> - Interrups are set up to be delivered only to a single core.
> 
> V2:
> Seprate out Robert's patches, and add properly ordered certificate of
> origins.
> 
> Jacob Shin (2):
>   perf, x86: Move MSR address offset calculation to architecture
>     specific files
>   perf, amd: Enable northbridge performance counters on AMD family 15h
> 
> Robert Richter (2):
>   perf, amd: Rework northbridge event constraints handler
>   perf, amd: Generalize northbridge constraints code for family 15h
> 
>  arch/x86/include/asm/cpufeature.h    |    2 +
>  arch/x86/include/asm/msr-index.h     |    2 +
>  arch/x86/include/asm/perf_event.h    |    6 +
>  arch/x86/kernel/cpu/perf_event.h     |   21 +--
>  arch/x86/kernel/cpu/perf_event_amd.c |  246 ++++++++++++++++++++++++----------
>  5 files changed, 187 insertions(+), 90 deletions(-)
> 
> -- 
> 1.7.9.5
> 

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/