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Re: Tickless feature of 2.6.24 kernel on MIPS ?

To: Shailesh Suman <sumanshailesh@yahoo.com>
Subject: Re: Tickless feature of 2.6.24 kernel on MIPS ?
From: Ralf Baechle <ralf@linux-mips.org>
Date: Thu, 21 Feb 2008 11:38:04 +0000
Cc: linux-mips@linux-mips.org
In-reply-to: <812554.37524.qm@web51603.mail.re2.yahoo.com>
Original-recipient: rfc822;linux-mips@linux-mips.org
References: <812554.37524.qm@web51603.mail.re2.yahoo.com>
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On Wed, Feb 20, 2008 at 10:11:37PM -0800, Shailesh Suman wrote:

>    The 2.6.24.x kernel has Tickless (Power Management) feature for MIPS. Has 
> anyone tried it for MIPS boards like Malta. 
> 
>    If anyone has tried it please let me know, if Tickless (CONFIG_NO_HZ)  is 
> working fine. How is the power saving was measured and do you have any 
> figures in terms of savings it can give.

It works except for SMTC which does it's own rather complicated time
keeping thing and the mix of SMTC and dyntick turned out to be rather
fragile.

  Ralf

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