From: Srivatsa Vaddagiri <vatsa@in.ibm.com>
To: Arjan van de Ven <arjan@infradead.org>
Cc: Tony Lindgren <tony@atomide.com>,
Alistair John Strachan <s0348365@sms.ed.ac.uk>,
Con Kolivas <kernel@kolivas.org>, "Theodore Ts'o" <tytso@mit.edu>,
Christopher Friesen <cfriesen@nortel.com>,
Lee Revell <rlrevell@joe-job.com>,
linux-kernel <linux-kernel@vger.kernel.org>,
Thomas Renninger <trenn@suse.de>
Subject: Re: Dynamic tick for 2.6.14 - what's the plan?
Date: Wed, 31 Aug 2005 16:47:05 +0530 [thread overview]
Message-ID: <20050831111705.GC10307@in.ibm.com> (raw)
In-Reply-To: <1125486186.3213.8.camel@laptopd505.fenrus.org>
On Wed, Aug 31, 2005 at 01:03:05PM +0200, Arjan van de Ven wrote:
> that sounds like a fundamental issue that really needs to be fixed
> first!
It should be fixed by the patch here:
http://marc.theaimsgroup.com/?l=linux-kernel&m=111556608901657&w=2
Tony,
I don't see any slow bootups on x86 because of dyn-tick.
If you still see them in your env, can you test with the patch above?
Recovering time after sleep is the single biggest problem that I seem
to have, even while using ACPI PM timer (forget TSC). Time can
drift by couple of seconds after few hours. I have made
some changes to the lost tick calculation in timer_pm.c after which
it seems to be stable on some machines, but I cant repeat that
on other (maybe newer) machines. Will post out all the changes I have
pretty soon.
--
Thanks and Regards,
Srivatsa Vaddagiri,
Linux Technology Center,
IBM Software Labs,
Bangalore, INDIA - 560017
next prev parent reply other threads:[~2005-08-31 11:17 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-08-29 22:26 Dynamic tick for 2.6.14 - what's the plan? Lee Revell
2005-08-29 22:42 ` Christopher Friesen
2005-08-30 0:05 ` Con Kolivas
2005-08-30 2:54 ` Theodore Ts'o
2005-08-30 3:48 ` Con Kolivas
2005-08-30 12:31 ` Tony Lindgren
2005-08-30 16:01 ` Alistair John Strachan
2005-08-31 7:44 ` Tony Lindgren
2005-08-31 8:39 ` Arjan van de Ven
2005-08-31 10:34 ` Tony Lindgren
2005-08-31 10:50 ` Srivatsa Vaddagiri
2005-08-31 11:03 ` Arjan van de Ven
2005-08-31 11:17 ` Srivatsa Vaddagiri [this message]
2005-08-31 11:20 ` Srivatsa Vaddagiri
2005-08-31 13:21 ` Tony Lindgren
2005-09-01 6:36 ` Tony Lindgren
2005-08-31 17:39 ` Srivatsa Vaddagiri
2005-08-31 17:42 ` Christopher Friesen
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