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Re: [Xen-users] Big I/O performance difference between dom0 and domU

On Tue, Apr 17, 2007 at 09:34:10AM -0700, Liang Yang wrote:
> What is the CPU utilization when you did this I/O performance measurement?

"% CPU" reported by bonnie when writing/reading/random seeking in is
6/3/0% in dom0 and 4/2/0% in domU. bonnie was the only thing running
when performing the test.

> As far I can remember, Bonnie++ does not support using outstanding I/Os.
> So your target RAID volume may not be saturated, i.e. you did not get the 
> peak performance.

What other benchmarking tool would you suggest?

Marcin Owsiany <marcin@xxxxxxxxxx>              http://marcin.owsiany.pl/
GnuPG: 1024D/60F41216  FE67 DA2D 0ACA FC5E 3F75  D6F6 3A0D 8AA0 60F4 1216
"Every program in development at MIT expands until it can read mail."
                                                              -- Unknown

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