From: Mike Galbraith <efault@gmx.de>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>, linux-os@analogic.com
Cc: Andreas Schwab <schwab@suse.de>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: Possible spin-problem in nanosleep()
Date: Sun, 26 Jun 2005 20:14:10 +0200 [thread overview]
Message-ID: <5.2.1.1.2.20050626201018.02d2df48@pop.gmx.net> (raw)
In-Reply-To: <1119806289.28649.12.camel@localhost.localdomain>
At 06:18 PM 6/26/2005 +0100, Alan Cox wrote:
>On Gwe, 2005-06-24 at 12:42, Richard B. Johnson wrote:
> > Are you saying that each might get the CPU from between 0 and 1
> > tick, i.e., asynchronous with the tick? If so, depending upon the
> > phase between the timer-tick and when a task gets awakened, a task
> > may never get any CPU time at all. If so, this is a bug.
>
>No I'm saying the samping rate of the timer tick limits the resolution
>of accounting of data (ie straight information theory limits)
(precisely stated [again])
next prev parent reply other threads:[~2005-06-26 18:14 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-06-23 12:18 Richard B. Johnson
2005-06-23 12:33 ` Andreas Schwab
2005-06-23 12:46 ` Richard B. Johnson
2005-06-23 15:09 ` Richard B. Johnson
2005-06-23 21:42 ` Alan Cox
2005-06-24 11:42 ` Richard B. Johnson
2005-06-26 17:18 ` Alan Cox
2005-06-26 18:14 ` Mike Galbraith [this message]
[not found] <4iz0p-5fH-7@gated-at.bofh.it>
2005-06-23 23:39 ` Robert Hancock
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