Subject: Re: very slow performance on filesystem meta-data in 1.6 -current
To: =?iso-8859-1?Q?Erik_=C4ngg=E5rd?= <erik.anggard@packetfront.com>
From: Jason R Thorpe <thorpej@wasabisystems.com>
List: tech-kern
Date: 07/15/2002 17:22:32
On Tue, Jul 16, 2002 at 02:07:46AM +0200, Erik Änggård wrote:

 > Thanks for the tip, I'll compile a kernel with the power svaving stuff turned
 > off when I get to work tomorrow and see if that makes any difference. As for the
 > for the DOZE vs. NAP thing, if I understand the MPC7450 User's Manual correctly,
 > it is not possible for software to put the CPU in DOZE mode on a 7450 (as it is
 > on a 7410). I guess that's why the netbsd code uses NAP for 7450 instead.

Right, I understand that.  My tought in pointing it out was that perhaps
NAP mode is more aggressive in saving power than DOZE mode, which is why
you don't see this problem on the 7410.

-- 
        -- Jason R. Thorpe <thorpej@wasabisystems.com>