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Re: [Qemu-devel] performance monitor
From: |
Paul Brook |
Subject: |
Re: [Qemu-devel] performance monitor |
Date: |
Thu, 3 Jan 2008 22:18:58 +0000 |
User-agent: |
KMail/1.9.7 |
> 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