From: Dan Malek <dan@embeddededge.com>
To: Richard Laing <Richard.Laing@4rf.com>
Cc: linuxppc-embedded@lists.linuxppc.org
Subject: Re: Slow down with recent linux kernel
Date: Wed, 14 Apr 2004 21:58:34 -0400 [thread overview]
Message-ID: <407DEC4A.3080305@embeddededge.com> (raw)
In-Reply-To: 4ABDB84E30B89F4E9C942C186F0B9EF605BBC6@4rf-nz-mail.local.4rf.com
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
** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/
next prev parent reply other threads:[~2004-04-15 1:58 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-04-14 20:54 Slow down with recent linux kernel Richard Laing
2004-04-15 1:58 ` Dan Malek [this message]
2004-04-16 6:54 ` FCC Ethernet MDIO interface Jos Beck
2004-04-16 13:00 ` Dan Malek
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