Re: do_fast_gettimeoffset on x86

H. Peter Anvin (hpa@transmeta.com)
Sat, 4 Apr 1998 16:13:00 -0800 (PST)

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> > during APM powerdown or not. Some boxes even seem to corrupt the counter?
> > Not sure, maybe Alan knows more about these things, i think he added that
> > #ifdef CONFIG_APM.
>
> No. Its always been there. Most CPU's stop the rdtsc cycle counters when
> they idle, others change the cycle counter when they are running in
> 'standby' mode etc.
>

I think "most" is incorrect. I think the right thing to say is that
*some* do (IMO a bug).

-hpa

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