From: Rik van Riel <riel@redhat.com>
To: john stultz <johnstul@us.ibm.com>
Cc: lkml <linux-kernel@vger.kernel.org>,
Roman Zippel <zippel@linux-m68k.org>,
Thomas Gleixner <tglx@linutronix.de>,
Clark Williams <williams@redhat.com>,
linux@horizon.com,
Ulrich Windl <ulrich.windl@rz.uni-regensburg.de>
Subject: Re: [RFC][PATCH] Adjust SHIFT_PLL to improve NTP convergence.
Date: Mon, 04 May 2009 20:27:29 -0400 [thread overview]
Message-ID: <49FF87F1.4090403@redhat.com> (raw)
In-Reply-To: <1241471016.7444.80.camel@localhost.localdomain>
john stultz wrote:
> With the v2.6.19 Linux kenrel, Roman converted the in-kernel NTP code to
> the NTPv4 reference model.
> I then modified the SHIFT_PLL value (which defines how stiff NTP's freq
> correction is), setting it to 2, and created the second attached image
> (2.6.30-pll2.png), comparing against the 2.6.18 numbers in the first
> chart.
> Signed-off-by: John Stultz <johnstul@us.ibm.com>
Acked-by: Rik van Riel <riel@redhat.com>
--
All rights reversed.
next prev parent reply other threads:[~2009-05-05 0:30 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-05-04 21:03 [RFC][PATCH] Adjust SHIFT_PLL to improve NTP convergence john stultz
2009-05-05 0:27 ` Rik van Riel [this message]
2009-05-06 14:46 ` George Spelvin
2009-05-06 15:44 ` John Stultz
2009-05-07 6:07 ` George Spelvin
2009-05-07 9:14 ` Ulrich Windl
2009-05-07 18:07 ` George Spelvin
2009-05-07 19:37 ` john stultz
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