On 05/20/2010 01:41 PM, Mario Lobo wrote: > On Thursday 20 May 2010 20:01:36 JD wrote: > >> On 05/20/2010 12:45 PM, Mario Lobo wrote: >> >>> On Thursday 20 May 2010 12:19:17 JD wrote: >>> >>>> On 05/20/2010 06:59 AM, [email protected] wrote: >>>> >>>>>> On 05/19/2010 11:29 AM, Mario Lobo wrote: >>>>>> >>>>>>> On Tuesday 18 May 2010 23:24:06 Mario Lobo wrote: >>>>>>> >>>>>>>> Hi; >>>>>>>> >>>>>>>> First let me thank all the developers for their efforts with VBox. >>>>>>>> >>>>>>>> I've installed the recently announced 3.2.0 stable release but I see >>>>>>>> that, >>>>>>>> after installing its companion guest additions on a Win XP SP3 >>>>>>>> guest, VBoxService.exe hits 99% of CPU usage all the time!. I >>>>>>>> doesn't even go down >>>>>>>> to 97 or 98. It stays fixed at 99% on the performance monitor. >>>>>>>> After about >>>>>>>> 15 minutes of the VM on (without doing anything on it), VBox >>>>>>>> aborts the >>>>>>>> machine. >>>>>>>> >>>>>>>> The host also suffers with this. With the earlier GA (BETA1) and an >>>>>>>> idle >>>>>>>> VM, Host CPU hovers around 8% (11% peaks). With the new GA and >>>>>>>> idle VM, it >>>>>>>> sticks to 37% (40% peaks) CPU usage. >>>>>>>> >>>>>>>> The same thing happened with VBoxGuestAdditions_3.2.0_BETA2/3 but >>>>>>>> NOT with >>>>>>>> VBoxGuestAdditions_3.2.0_BETA1 or any earlier GA!, with BETA1, VBox >>>>>>>> works >>>>>>>> perfectly, so I reverted back to it until this issue is cleared. >>>>>>>> >>>>>>>> System: FBSD 8-STABLE (updated weekly) amd64 >>>>>>>> >>>>>>>> Any suggestions? >>>>>>>> >>>>>>>> Thanks, >>>>>>>> >>>>>>> Did anyone else on the list experience that? >>>>>>> >>>>>> I just ran winxp 32 bit guest on FC12 host >>>>>> using VB-3.2 release. >>>>>> CPU load of both VB threads did not exceed 25% >>>>>> (i.e. 50% total) >>>>>> On my uniproc Athlon64 3200+, this is the norm, >>>>>> for VB, and nothing new. >>>>>> >>>>> Well, I must say that either the VB load on FreeBSD hosts is A LOT >>>>> lighter (xp vm running and total host load=10%) or you do have a >>>>> problem if you're hitting 50% load with only 1 VM running, although I >>>>> have something going for me, which is a Phenom II 955 quad. >>>>> >>>>> But what I was referring to on my post was the load of VBoxService.exe >>>>> INSIDE the xp guest. >>>>> >>>>> Mario >>>>> >>>> Well, I think things on FC12 are different perhaps. I dont know. >>>> I am NOT running two VM's What I meant by BOTH threads is that >>>> there is the VBox GUI thread which seems to be different from >>>> the emulation thread. I am running only ONE VM. >>>> Buth the two threads together consume 50% of CPU. The way the >>>> Fedora scheduler appears to work, is that if you have other >>>> threads that are also cpu hogs (as in my case, Firefox playing >>>> some Youtube vids, I was seeing >>>> VB1 25% >>>> VB2 25% >>>> FFox 35% >>>> >>>> Now after I killed Firefox, I checked again >>>> and lo and behold, the CPU load of the two VBox >>>> threads jumped to a total of 90-96% >>>> which DOES make sense if you realize that when >>>> no other thread wants to run, then the threads >>>> that DO want to run (i.e. they are on the runq), >>>> then they will be on the CPU. >>>> This remained the case even after I reniced the >>>> the two VBox threads to have lower priority than >>>> the rest of the threads running in the system >>>> (All had priority 20 and nice 0). >>>> So I reniced the VB threads to +2, and that lowered >>>> their priority to 22, but they still consumed 90-95% >>>> of CPU, which means that most of the time no other >>>> thread wanted to run (i.e no other thread was on the runq). >>>> >>>> Hope this helps a little. >>>> >>>> Cheers, >>>> >>>> JD >>>> >>>> >>>> ------------------------------------------------------------------------ >>>> --- --- >>>> >>>> _______________________________________________ >>>> VBox-users-community mailing list >>>> [email protected] >>>> https://lists.sourceforge.net/lists/listinfo/vbox-users-community >>>> >>> What version of Guest Additions did you install on your xp guest ? >>> >> The ones that came with 3.2 release, and which are located in >> /usr/share/virtualbox/VBoxGuestAdditions.iso >> >> Actually, all you have to do is click on >> Devices-> Install Guest Additions >> >> and that will install the guest additions from above location. >> >> > Ok JD. Thanks for the instructions. > > The guest additions version you're using explains why your CPU is at 50% with > just one VM !!. > > Now let me give you some too. > > Try this: > > Inside your guest XP, bring up the task monitor (right ctrl+del) and check out > the CPU usage for the process with the highest percentage (90s%). If its not > "System idle time", check out if it isn't VBoxService.exe. > > After that, mount and install guest additions from > VBoxGuestAdditions_3.2.0_BETA1.iso, and you will see not only see your guest > CPU usage, but also your host CPU usage reduced !!. > > Hello Mario, Just to satisfy my curiosity, I uninstalled vbox 3.2 release, and re-installed vbox 3.2 beta2 and monitored load factors on both the guest and FC12 host. Absolutely nothing different as far as load factors (cpu utilization) are concerned.
Cheers, JD ------------------------------------------------------------------------------ _______________________________________________ VBox-users-community mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/vbox-users-community
