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Re: [Qemu-devel] performance monitor
From: |
Paul Brook |
Subject: |
Re: [Qemu-devel] performance monitor |
Date: |
Thu, 3 Jan 2008 21:29:06 +0000 |
User-agent: |
KMail/1.9.7 |
> ... Ok, to cut a long question short: Is there any hardware support im qemu
> for doing monitoring (that goes deeper than using "time") and has anyone
> ever tested something that could work?
Probably your application wants the performance counters. Qemu doesn't emulate
those.
Besides which, qemu is not cycle accurate. Any performance measurements your
make are pretty much meaningless, and bear absolutely no relationship to real
hardware.
Paul