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Date: Tue, 27 Feb 2007 16:25:07 +0100
From: Ingo Molnar <mingo@elte.hu>
To: Avi Kivity <avi@argo.co.il>
Cc: suparna@in.ibm.com, Jens Axboe <jens.axboe@oracle.com>,
       linux-kernel@vger.kernel.org,
       Linus Torvalds <torvalds@linux-foundation.org>,
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       "David S. Miller" <davem@davemloft.net>,
       Davide Libenzi <davidel@xmailserver.org>,
       Thomas Gleixner <tglx@linutronix.de>
Subject: Re: A quick fio test (was Re: [patch 00/13] Syslets, "Threadlets", generic AIO support, v3)
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* Avi Kivity <avi@argo.co.il> wrote:

> But what about cpu usage?  At these low levels, the cpu is probably 
> underutilized.  It would be interesting to measure cpu time per I/O 
> request (or, alternatively, use an I/O subsystem that can saturate the 
> processors).

yeah - that's what testing on ramdisk (Jens') or on a loopback block 
device (mine) approximates to a certain degree.

	Ingo
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