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DateFri, 29 Aug 2008 15:15:34 -0700 (PDT)
FromBrian Wellington <>
SubjectRe: [patch 0/5] Nano/Microsecond resolution for select() and poll()
On Fri, 29 Aug 2008, Arjan van de Ven wrote:

> Today in Linux, select() and poll() operate in jiffies resolution
> (granularity), meaning an effective resolution of 1 millisecond (HZ=1000) to
> 10 milliseconds (HZ=100). Delays shorter than this are not possible, and all
> delays are in multiples of this granularity.

Would a similar change also be useful for epoll_wait()? It's unfortunate
that there's no way to use epoll with more than millisecond granularity,
but it seems like the same arguments could be made as with poll().

Brian


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