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Re: Re: [Qemu-devel] Timing problems


From: Mulyadi Santosa
Subject: Re: Re: [Qemu-devel] Timing problems
Date: Wed, 31 Aug 2005 19:19:02 +0700
User-agent: KMail/1.5

Hello Sven...

> rdtsc gives you the cpu's clock count, which, if CPU frequency
> changes, or your code is run on different processors (multiprocessor
> machine), cannot be assumed to be related to real time anymore.
> Resolutionwise, the real time clock may be inferior, of course, as
> Jim mentioned. Jim: could you point me to this other patch? Thanks!

Oh, so sorry, I was mistakenly made conclusion about your patch. yes, 
you are correct, get_clock() will do the trick....while rdtsc won't 
work because the clock will run vary during speed-stepping....

The unified format of diff looks great! :)

regards

Mulyadi





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