Re: Linux time code
From: john stultz
Date: Thu Aug 17 2006 - 17:56:32 EST
On Thu, 2006-08-17 at 13:43 +0200, Roman Zippel wrote:
> On Wed, 16 Aug 2006, john stultz wrote:
> > > For example there is a POSIX-like sys_clock_gettime() intended to
> > > server the end-user directly, but there's no counterpart do_clock_gettime() to
> > > server any in-kernel needs.
> > Hmmm.. ktime_get(), ktime_get_ts() and ktime_get_real(), provide this
> > info. Is there something missing here?
> What is missing is the abiltity to map a clock to a posix clock, so that
> you would have CLOCK_REALTIME/CLOCK_MONOTONIC as NTP controlled clocks and
> other CLOCK_* as the raw clock.
Is there a use case for this (wanting non-NTP corrected time on a system
running NTPd) you have in mind?
I'm not strictly opposed to this idea, but since it exposes a new
interface to userland it needs to be carefully thought out and well
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