Re: Does 2.6.26 provide nanosecond time to the user?

From: Måns Rullgård
Date: Thu Jul 17 2008 - 21:43:23 EST

Reg Clemens <reg@xxxxxxx> 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.

Måns Rullgård

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