RE: Measuring RAID-0 CPU load

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man sar

-----Original Message-----
From: linux-raid-owner@vger.kernel.org
[mailto:linux-raid-owner@vger.kernel.org] On Behalf Of Ian Pilcher
Sent: Monday, March 08, 2004 12:24 PM
To: linux-raid@vger.kernel.org
Subject: Re: Measuring RAID-0 CPU load

Måns Rullgård wrote:
> Ian Pilcher <i.pilcher@comcast.net> writes:
> 
> 
>>I need to quantify the additional CPU load that RAID-0 adds (vs. the
>>boost in I/O performance).  I don't need to do anything fancy;
>>'dd if=/dev/zero of=/dev/md?" should do the trick, but I'm not sure how
>>to track the processor utilization during the run.
>>
>>Any ideas?
> 
> 
> top not good?
> 

I'm hoping for something that can report the avergage load during the
entire run.  I don't want to sit there and watch it.

 From a brief look a the man page, top doesn't seem to do this.

-- 
========================================================================
Ian Pilcher                                        i.pilcher@comcast.net
========================================================================

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