Re: A quick fio test (was Re: [patch 00/13] Syslets, "Threadlets", generic AIO support, v3)

Ingo Molnar
2007-02-27T15:32:27Z

* 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