From: Ingo Molnar <mingo@elte.hu>
To: "dave_sperry@ieee.org" <dasperry@comcast.net>
Cc: David Sperry <dave_sperry@ieee.org>,
linux-rt-users@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: Improved UDP performance using 2.6.21-rc5-rt10
Date: Tue, 3 Apr 2007 23:26:11 +0200 [thread overview]
Message-ID: <20070403212611.GC28093@elte.hu> (raw)
In-Reply-To: <040320071326.11440.461256000007192600002CB02207300793979D9D0A9F9C0E0B@comcast.net>
* dave_sperry@ieee.org <dasperry@comcast.net> wrote:
> rt10 shows a big improvement over rt8
>
> ##################################################
> etup Thruput CPU%
> Nvidia
> 2.6.21-rc5-rt8 938 65%
> netperf @51
> hardirq @50
> softirq @50
>
> Nvidia
> 2.6.21-rc5-rt10 938 32%
> netperf @51
> hardirq @50
> softirq @50
cool! Btw., could you run the same but without running cyclesoak, and
only watching the 'idle' metric in 'top' or vmstat? I found in my
experiments that cyclesoak sometimes interfers with the workload - and
the idle stats are precise and accurate on -rt. (they are not on
vanilla)
Ingo
next prev parent reply other threads:[~2007-04-03 21:26 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-04-03 13:26 dave_sperry@ieee.org
2007-04-03 21:26 ` Ingo Molnar [this message]
2007-04-04 20:09 dave_sperry@ieee.org
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