On Mon, 2009-04-20 at 20:34 +0200, Frank Mehnert wrote: > Brian, > > On Monday 20 April 2009, Brian J. Murrell wrote: > > > When is one CPU pegged at 100%? > > > > Using top, I can only see the "%" of CPU being used as a total of both > > cores. Virtualbox runs with ~100% (which correlates to a single core) > > all of the time, not just when running a disk benchmark. > > this might be one of the problems. It could depend on the guest. > Note that the USB device emulation caused a notable CPU load with > older versions than VirtualBox 2.2.0. And the CPU load depends a > lot on the guest as well, there is still room for optimization.
Right, but the contrast is that I have another WinXP guest on another system with the same version of VB and it behaves entirely reasonable. i.e. when the guest is idle, the CPU reflects that. This problem install does not behave at all in the same manner. b.
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