From: Christoph Lameter <christoph@lameter.com>
To: linux-ia64@vger.kernel.org
Subject: Re: Self-tuning logic for the time interpolators?
Date: Thu, 05 Aug 2004 05:05:11 +0000 [thread overview]
Message-ID: <Pine.LNX.4.58.0408042202330.17766@server.home> (raw)
In-Reply-To: <Pine.LNX.4.58.0408040934080.14500@schroedinger.engr.sgi.com>
On Wed, 4 Aug 2004, Andi Kleen wrote:
> > + else {
> > + /* Check for the necessity to adjust every minute
> [...]
> > + if (jiffies >= 2*TIME_ADJUST_COUNTDOWN) {
>
> But INITIAL_JIFFIES is ((unsigned long)(unsigned int) (-300*HZ))
> It will probably not do what you want.
Hmm. I have
/*
* Have the 32 bit jiffies value wrap 5 minutes after boot
* so jiffies wrap bugs show up earlier.
*/
#define INITIAL_JIFFIES ((unsigned long)(0))
in 2.6.8-rc2-mm1 (weird comment. There is certainly something to your
post). It works just as intended but I better take that out. Thanks.
prev parent reply other threads:[~2004-08-05 5:05 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-08-04 16:42 Self-tuning logic for the time interpolators? Christoph Lameter
2004-08-04 17:05 ` Andi Kleen
2004-08-05 5:05 ` Christoph Lameter [this message]
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