From: rwhron@earthlink.net
To: jmorris@intercode.com.au
Cc: linux-kernel@vger.kernel.org
Subject: Re: Performance issue in 2.5.32+
Date: Sun, 8 Sep 2002 09:19:51 -0400 [thread overview]
Message-ID: <20020908131951.GA25301@rushmore> (raw)
> lmbench shows major changes in context switching latencies
> on a dual celeron system
Some lmbench tests vary a lot so I run it 25 times and
average the results. Some variations are only apparent on
particular cpus (cache size differences, smp, etc).
The lmbench averaging script I use is:
http://home.earthlink.net/~rwhron/kernel/lmbsum
lmbench on a quad xeon and a bit on how to use lmbsum:
http://home.earthlink.net/~rwhron/kernel/bigbox.html#lmbench
Recent uniprocessor results:
http://home.earthlink.net/~rwhron/kernel/latest.html#lmbench
--
Randy Hron
http://home.earthlink.net/~rwhron/kernel/bigbox.html
next reply other threads:[~2002-09-08 17:12 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-09-08 13:19 rwhron [this message]
-- strict thread matches above, loose matches on Subject: below --
2002-09-08 11:46 Performance issue in 2.5.32+ James Morris
2002-09-08 11:57 ` Andi Kleen
2002-09-08 12:55 ` James Morris
2002-09-08 15:45 ` Linus Torvalds
2002-09-08 17:40 ` James Morris
2002-09-08 18:09 ` Linus Torvalds
2002-09-09 16:06 ` James Morris
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=20020908131951.GA25301@rushmore \
--to=rwhron@earthlink.net \
--cc=jmorris@intercode.com.au \
--cc=linux-kernel@vger.kernel.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.