[vbox-dev] high cpu usage after hibernate mode

Sander van Leeuwen Sander.Vanleeuwen at Sun.COM
Fri Jan 23 09:41:58 GMT 2009


Try again with 2.1.2. Since 2.1.0 we handle power events to pause 
running VMs.

Huihong Luo wrote:
> Somtimes, I noted that vbox uses rather high cpu (50%) on windows 
> host. The steps:
>  
> run vbox with an XP vm, check host cpu use, which is very low (5%), 
> then hibernate the windows host. After Windows resumes from hibernate 
> mode, the host cpu use is now much higher, about 50%.
>  
> Interestingly, the guest cpu is still very low (<5%).
>  
> This indicates that the vboxdrv.sys does not handle power well? Is 
> there any IRP_MJ_POWER handler?
>  
> Thanks,
>  
> Huihong
>  
>  
>  
>  
>
> ------------------------------------------------------------------------
>
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>   


-- 
Kind regards / Mit freundlichen Gruessen / Met vriendelijke groet

--

Sun Microsystems GmbH        Sander van Leeuwen
Werkstrasse 24               Senior Staff Engineer, VirtualBox
71384 Weinstadt, Germany     mailto:Sander.Vanleeuwen at sun.com


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