From: Andi Kleen <ak@suse.de>
To: eranian@hpl.hp.com
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH 18/18] 2.6.17.9 perfmon2 patch for review: new x86_64 files
Date: Wed, 23 Aug 2006 13:22:44 +0200 [thread overview]
Message-ID: <200608231322.44106.ak@suse.de> (raw)
In-Reply-To: <20060823103956.GB697@frankl.hpl.hp.com>
> I have a second thought on this. AMD has architected the performance counters.
Quote:
>>
Implementations are not required to support the performance
c o u n t e rs and the event-select registers, or the time-stamp
counter. The presence of these features can be determined by
<<
Also all code I've seen checked the family at least.
> Their specification is not part of a model specific documentation but
> part of the AMD64 architecure.
The high level specification is, but not the actual counters for once.
> What I don't not quite understand with the K7, K8 terminology is the
> relation/dependencies with the AMD64 architecture specification.
AMD64 gives a high level register format, K7/K8 is the actual list
of performance counters.
-Andi
next prev parent reply other threads:[~2006-08-23 11:24 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-08-23 8:06 [PATCH 18/18] 2.6.17.9 perfmon2 patch for review: new x86_64 files Stephane Eranian
2006-08-23 10:19 ` Andi Kleen
2006-08-23 10:29 ` Stephane Eranian
2006-08-23 15:25 ` Christoph Hellwig
2006-08-23 15:53 ` Stephane Eranian
2006-08-23 20:57 ` Christoph Hellwig
2006-08-23 10:39 ` Stephane Eranian
2006-08-23 11:22 ` Andi Kleen [this message]
2006-08-23 12:14 ` Stephane Eranian
2006-08-23 12:29 ` Andi Kleen
2006-08-23 12:58 ` Stephane Eranian
2006-08-23 13:44 ` Andi Kleen
2006-08-23 13:48 ` Stephane Eranian
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