From: Peter Zijlstra <a.p.zijlstra@chello.nl>
To: "Yan, Zheng" <zheng.z.yan@intel.com>
Cc: mingo@elte.hu, andi@firstfloor.org, linux-kernel@vger.kernel.org,
Stephane Eranian <eranian@gmail.com>
Subject: Re: [PATCH] perf/x86: Fix LLC-* and node-* events on Intel SandyBridge
Date: Fri, 20 Jul 2012 18:48:15 +0200 [thread overview]
Message-ID: <1342802895.2583.16.camel@twins> (raw)
In-Reply-To: <1342517275-2875-1-git-send-email-zheng.z.yan@intel.com>
On Tue, 2012-07-17 at 17:27 +0800, Yan, Zheng wrote:
> From: "Yan, Zheng" <zheng.z.yan@intel.com>
>
> LLC-* and node-* events require using the OFFCORE_RESPONSE events
> on SandyBridge, but the hw_cache_extra_regs is left uninitialized.
> This patch adds the missing extra register configure table for
> SandyBridge.
Last time I tried this I couldn't get sane numbers out of it..
Does these encodings work, if so, do explain them.
Also:
> +#define SNB_REMOTE (0xffULL << 23)
I guess I can take this as an 'official' publication of this fact?
(I knew those bits meant this, but I never got a response if I could
publish that information.)
next prev parent reply other threads:[~2012-07-20 16:48 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-17 9:27 [PATCH] perf/x86: Fix LLC-* and node-* events on Intel SandyBridge Yan, Zheng
2012-07-20 16:48 ` Peter Zijlstra [this message]
2012-07-22 11:43 ` Yan, Zheng
2012-07-23 12:22 ` Peter Zijlstra
2012-07-26 15:12 ` [tip:perf/core] " tip-bot for Yan, Zheng
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