Re: do_gettimeofday monotony?

From: bert hubert
Date: Mon Jul 25 2005 - 11:35:26 EST

On Mon, Jul 25, 2005 at 11:12:25AM -0400, Christopher Friesen wrote:
> >Is do_gettimeofday supposed to be monotonous?
> Nope.
> > I'm seeing time go backward by tiny amounts, and then progressing.
> Are you running NTP? Corrections could cause this.

No. I am running a machine which often changes it clockspeed though. The bad
news is that I don't appear to be able to reproduce this, there must be
something specific that causes it. But then again, it wasn't a large effect.

> >Is there another monotonous clock in the kernel that doesn't wrap (all
> >that often)? Doesn't really need to be wall time.
> clock_gettime()

Thank you.

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