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Re: [PATCH 2/6] linux: Assume clock_getres CLOCK_{PROCESS,THREAD}_CPUTIME_ID


* Carlos O'Donell:

> For HPPA we made sue that the everything was accurately compensated at
> the kernel timer source level, and never in userspace. You *can* do it
> in userspace and it's faster and lower latency, and all of those
> things, but it's more complex and prone to breakage for odd reasons
> (compiler optimizations etc.).

And the kernel can do it in userspace via the vDSO, like on other
architectures.

Thanks,
Florian


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