From: David Newall <davidn@davidnewall.com>
To: Olaf Kirch <okir@suse.de>
Cc: linux-kernel@vger.kernel.org, mingo@redhat.com,
Andreas Gruenbacher <agruen@suse.de>
Subject: Re: CFS Performance Issues
Date: Fri, 29 May 2009 04:13:07 +0930 [thread overview]
Message-ID: <4A1EDB3B.10402@davidnewall.com> (raw)
In-Reply-To: <200905282020.09667.okir@suse.de>
Olaf Kirch wrote:
>> About that: avg slice is in nsec, not msec (the old, off-by-one-million
>> bug), and utime, also an average, is in usec.
>>
> ...
> utime / ninvcsw / 1000
>
> which is a millisecond quantity.
>
Sorry. My confusion. (The old, divide-instead-of-multiply bug.)
next prev parent reply other threads:[~2009-05-28 18:43 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-05-28 13:02 CFS Performance Issues Olaf Kirch
2009-05-28 15:49 ` David Newall
2009-05-28 18:20 ` Olaf Kirch
2009-05-28 18:43 ` David Newall [this message]
2009-05-28 20:31 ` Peter Zijlstra
2009-05-30 11:18 ` Ingo Molnar
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=4A1EDB3B.10402@davidnewall.com \
--to=davidn@davidnewall.com \
--cc=agruen@suse.de \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@redhat.com \
--cc=okir@suse.de \
/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.