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
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=407DEC4A.3080305@embeddededge.com \
--to=dan@embeddededge.com \
--cc=Richard.Laing@4rf.com \
--cc=linuxppc-embedded@lists.linuxppc.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.