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From: Paul Brook <paul@codesourcery.com>
To: qemu-devel@nongnu.org
Cc: Clemens Kolbitsch <clemens.kol@gmx.at>
Subject: Re: [Qemu-devel] performance monitor
Date: Thu, 3 Jan 2008 22:18:58 +0000	[thread overview]
Message-ID: <200801032218.59363.paul@codesourcery.com> (raw)
In-Reply-To: <200801032311.24715.clemens.kol@gmx.at>

> Well, the measuring I had in mind partly concentrats on TLB misses, page
> faults, etc. (in addition to the cycle measuring). guess i'll have to
> implement something for myself in qemu :-/

Be aware that the TLB qemu uses behaves very differently to a real CPU TLB. If 
you want to get TLB miss statistics you'll need to model a "real" TLB for 
that separately.

Page faults should be straightforward, but any half-decent guest OS would be 
able to tell you those anyway.

Paul

  reply	other threads:[~2008-01-03 22:19 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-01-03 20:36 [Qemu-devel] performance monitor Clemens Kolbitsch
2008-01-03 21:29 ` Paul Brook
2008-01-03 21:38   ` Clemens Kolbitsch
2008-01-03 22:07     ` Paul Brook
2008-01-03 22:11       ` Clemens Kolbitsch
2008-01-03 22:18         ` Paul Brook [this message]
2008-01-03 22:21           ` Clemens Kolbitsch
2008-01-03 22:19         ` Laurent Desnogues
2008-01-04  8:49     ` Rob Landley
2008-01-04 15:09       ` Clemens Kolbitsch

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