From: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
To: dccp@vger.kernel.org
Subject: Re: Iperf CPU usage
Date: Fri, 28 Sep 2007 18:23:44 +0000 [thread overview]
Message-ID: <20070928182344.GB23546@ghostprotocols.net> (raw)
In-Reply-To: <200709281409.23853@strip-the-willow>
Em Fri, Sep 28, 2007 at 02:09:23PM +0100, Gerrit Renker escreveu:
> Earlier on this list there was a thread that the CPU usage of iperf was too high (75%..95%).
> Now, Ingo Molnar has found the problem:
>
> http://marc.info/?l=linux-kernel&m\x119088670113210&w=2
>
> I have tested this and the CPU usage dropped below 10%!
>
> Will go and add this patch before the other iperf patches and upload it to
> http://www.erg.abdn.ac.uk/users/gerrit/dccp/apps/#iperf
Yup, Stephen Hemminger also mentioned that a similar patch was already
being merged by the iperf guys, IIRC.
- Arnaldo
prev parent reply other threads:[~2007-09-28 18:23 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-09-28 13:09 Iperf CPU usage Gerrit Renker
2007-09-28 18:23 ` Arnaldo Carvalho de Melo [this message]
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=20070928182344.GB23546@ghostprotocols.net \
--to=acme@ghostprotocols.net \
--cc=dccp@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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox