Messages in this thread | | | From | Andi Kleen <> | Subject | Re: [discuss] Re: [PATCH] Allow all Opteron processors to change pstate at same time | Date | Tue, 11 Jul 2006 15:51:01 +0200 |
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On Tuesday 11 July 2006 15:34, Arjan van de Ven wrote: > > > Customers in the field seem to want to use TSC for gtod, > > so I want to know how awful an idea that is. > > in userspace or in the kernel?
It has to be in kernel. User space is hopeless.
> And do you happen to know why they don't want to use hpet?
HPET is slow (although not as bad as PM) too and most BIOS don't enable it.
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