Re: [patch v2 0/5] Nano/Microsecond resolution for select() andpoll()
From: Davide Libenzi
Date: Sun Aug 31 2008 - 17:17:18 EST
On Sun, 31 Aug 2008, Arjan van de Ven wrote:
> Note:
> even though poll() (as opposed to ppoll()) only accepts milliseconds
> as userspace interface, the behavior will still improve because the current
> time no longer needs to be rounded up to the next jiffie, so on average
> a 500 microseconds behavior improvement.
Another way to get down in the timeout resolution for newer kernels, and
still supporting the syscalls with millisec timeouts, is to use timerfds.
- Davide
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