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Re: [Qemu-devel] Performance Monitoring
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From: |
Laurent Desnogues |
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Subject: |
Re: [Qemu-devel] Performance Monitoring |
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Date: |
Wed, 21 May 2008 08:41:18 +0200 |
On 5/21/08, Paul Brook <address@hidden> wrote:
> > get full CPU opcode statistics (how many times
> > every opcode was executed).
...
> You probably already know this, but I'd be surprised if the statistics you
> get
> have much/any correlation with real world performance on modern hardware.
The OP wants to count instruction opcodes, not cycles or other timing
dependent statistics. Is there something that prevents exact counting
of that?
Laurent