linux-kernel - Re: Does 2.6.26 provide nanosecond time to the user?

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Date:	Thu, 17 Jul 2008 20:19:00 -0600
From:	Reg Clemens <reg@....com>
To:	Måns Rullgård <mans@...sr.com>
cc:	linux-kernel@...r.kernel.org, reg@...eb.dwf.com
Subject: Re: Does 2.6.26 provide nanosecond time to the user? 

> Reg Clemens <reg@....com> writes:
> 
> > Im confused.
> > (sorry I havent been following the linux-kernel mailing list on this)
> >
> > Does 2.6.26 use nanosecond time
> >     (1) internally?
> >     (2) provide it to the user?
> >
> > I see no way to turn it on/off in xconfig.
> > Yet I do see STA_NANO defined in sys/timex.h which is a good start.
> >
> > and IF it provides it to the user, what do I use to get nanosecond time.
> > My search with man -k for timespec turns up
> >       sys_clock_getres
> > and sys_clock_gettime
> >
> > or possibly clock_getres and clock_gettime, the man pages use both,
> > but NONE of these entry points seem to exist in my system.
> 
> You might need to link with -lrt to get those functions.
> 
Thanks, -lrt works fine, that answers that part of the question, how about
the first question.

-- 
                                        Reg.Clemens
                                        reg@....com


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