From mboxrd@z Thu Jan  1 00:00:00 1970
Message-ID: <407DEC4A.3080305@embeddededge.com>
Date: Wed, 14 Apr 2004 21:58:34 -0400
From: Dan Malek <dan@embeddededge.com>
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To: Richard Laing <Richard.Laing@4rf.com>
Cc: linuxppc-embedded@lists.linuxppc.org
Subject: Re: Slow down with recent linux kernel
References: <4ABDB84E30B89F4E9C942C186F0B9EF605BBC6@4rf-nz-mail.local.4rf.com>
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Richard Laing wrote:

> ....Startup time for our application form power on to running is increased
 > by between 30% and 50%.

How does your application start up?  Initrd? Jffs2? Network?
What are you actually measuring?

Use some standard, focused, benchmarks and collect some quantitative data.
Then, we can discuss something.

> ....this uses consistent_alloc which doesn't appear to return a
 > real physical address

Sure it does....dma_addr_t.

Thanks.


	-- Dan


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