linux-kernel - Re: [PATCH] /dev/time for Linux, inspired by Plan 9

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Message-ID: <20090312181225.GC26099@tuxbookpro.rit.edu>
Date:	Thu, 12 Mar 2009 14:12:25 -0400
From:	"J.R. Mauro" <jrm8005@...il.com>
To:	Chris Brannon <cmbrannon@....net>
Cc:	john stultz <johnstul@...ibm.com>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] /dev/time for Linux, inspired by Plan 9

On Sat, Mar 07, 2009 at 10:23:05AM -0600, Chris Brannon wrote:
> John Stultz wrote:
> > On Tue, Mar 3, 2009 at 7:06 PM, Christopher Brannon <cmbrannon@....net> wrote:
> > > I implemented such a facility for Linux.  A read of /dev/time produces
> > > four decimal numbers: epoch seconds, nanoseconds since start of epoch,
> > > jiffies since boot, and jiffies per second.
> > 
> > Ehh. Why would we want to export raw kernel internal values like
> > jiffies and HZ?
> > 
> > I think the CLOCK_MONOTONIC clockid would probably be a better value to export.
> 
> I'll look at CLOCK_MONOTONIC clockid.  I'm more than glad to export something
> more appropriate, including nothing at all (dummy values, perhaps).

Chris, are the current values exactly what one would get if reading /dev/time on
Plan 9? If possible, it would be nice to aim for 100% compatibility as there are
folks trying to get complete Plan 9 binary compatibility working in Linux.

> 
> -- Chris
> --
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-- 
				J.R. Mauro

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