[ Comments below, in line ] On Friday 06 March 2009 at 4:40 pm, Brian J. Murrell penned about "Re: [vbox-users] disk throughput only 25% of native"
> On Fri, 2009-03-06 at 15:59 -0500, Pablo Sanchez wrote: > > > > In my experience, performance is throttled by CPU or Disk. This is > > why I asked to see Brian's CPU metrics. :) > > Pretty sure you asked for disk, not CPU. Initially, I did. I should have asked for both. In a subsequent post, I requested for CPU. Given what you've written below, it's clear you don't have enough CPU to drive the I/O due to a bug with VirtualBox. > In any case I can assure you that a virtualbox winxp guest (ISTR > that even a linux guest at a grub prompt also) will consume 100% of > a core, sitting idle. ISTR? (I seem to recall?) My WinXP Guest does not consume 100% of CPU. Currently it's chewing about 5-11% of the CPU. > I'm really not sure how to resolve the CPU issue as nobody really > suggested any debugging I could do to see where the CPU cycles were > going. Have you `strace' the VirtualBox process? Cheers, -- Pablo Sanchez - Blueoak Database Engineering, Inc Ph: 819.459.1926 Fax: 760.860.5225 (US) _______________________________________________ vbox-users mailing list [email protected] http://vbox.innotek.de/mailman/listinfo/vbox-users
