Re: [ovirt-users] 64 bits oVirtGuestAgent.exe at 99% CPU

On 07/10/2014 03:24 PM, Angel Docampo wrote: > Of course, Vinzenz > > The VM is a Windows 7 (I've tried both 32 and 64 bits, same result). > The C:\Windows\SysWOW64\rhev-agent log says: > > Dummy-1::INFO::2014-07-10 > 14:35:57,417::OVirtGuestService::80::root::Starting OVirt Guest Agent > service > > After look at the code, perhaps the problem may come on the run() > function in OvirtAgentLogic.py > def run(self): > logging.debug("AgentLogicBase:: run() entered") > thread.start_new_thread(self.doListen, ()) > thread.start_new_thread(self.doWork, ()) > # Yuck! It's seem that Python block all signals when executing > # a "real" code. So there is no way just to sit and wait (with > # no timeout). > # Try breaking out from this code snippet: > # $ python -c "import threading; threading.Event().wait()" > while not self.wait_stop.isSet(): > self.wait_stop.wait(1) > > Where this "while" is evaluating itself each second... besides the > wait function of the python module > > By commenting thread.start_new_thread(self.doWork, ()) the CPU has a > normal level when the service starts, but when we make a petition > through the host socket, the VM CPU goes to 100%. > > Hope this helps, if you need any action from me, please tell me. Hmm this is really strange, I am running the guest agent pretty regularly on Windows 7 and I never noticed anything like this. Could you please try to use the ovirt windows guest tools iso to install the guest agent? I am somehow surprised about the issue you're seeing. > > Regards, > > El jue 10 jul 2014 08:56:55 CEST, Vinzenz Feenstra escribió: >> On 07/08/2014 09:15 AM, Angel Docampo wrote: >>> I just realized that my 64bit machine has 1 CPU and my 32bit machine >>> has two. If I set two processors to the 64bit machine, >>> oVirtGuestAgent.exe process eats a 50% CPU, not 100%, exactly like >>> the 32bit machine... >>> So I think there is a problem in the implementation of the agent. As >>> I'm not a developer myself, I cannot help to improve the agent. >>> Can I reduce the amount of CPU consumed by the process doing >>> something, like change the CPU virtualization (at the moment, is host >>> emulation), or something else? >> >> The most interesting information for me really would be what version >> of Windows you're using exactly. >> I have never seen the guest agent running on that high CPU so I would >> need some more information. >> >> It'd be great if you could enable debug logging and restart the >> service (or VM) and get me the logs after it is spiking the CPU so >> much. >> >> Thanks. >> >>> >>> >>> El 07/07/14 15:50, Angel Docampo escribió: >>>> Hello everybody, >>>> >>>> This is my very first email here. I've just compiled both 32 and 64 >>>> bits oVirtGuestAgent in order to make SSO from my application to a >>>> Windows VM. >>>> >>>> 32 bits works flawlessly, I can login, logout and lock screen at the >>>> moment, but the 64 bits version cannot login (but can lock screen >>>> and logout) and the worse of all, puts the VM CPU at 99%, making it >>>> useless. >>>> >>>> Anyone has experieced this? Or give me some guidance to investigate? >>>> >>>> Thank you! >>>> -- >>>> >>>> >>>> >>>> *Angel Docampo >>>> * >>>> *Datalab Tecnologia, s.a.* >>>> Castillejos, 352 - 08025 Barcelona >>>> Tel. 93 476 69 14 - Ext: 706 >>>> Mob. 670.299.381 >>>> >>>> >>>> Nota Legal <http://www.dltec.net/aviso-legal> >>>> >>>> >>>> _______________________________________________ >>>> Users mailing list >>>> Users(a)ovirt.org >>>> http://lists.ovirt.org/mailman/listinfo/users >>> >>> -- >>> >>> >>> >>> *Angel Docampo >>> * >>> *Datalab Tecnologia, s.a.* >>> Castillejos, 352 - 08025 Barcelona >>> Tel. 93 476 69 14 - Ext: 706 >>> Mob. 670.299.381 >>> >>> >>> >>> _______________________________________________ >>> Users mailing list >>> Users(a)ovirt.org >>> http://lists.ovirt.org/mailman/listinfo/users >> >> >> -- >> Regards, >> >> Vinzenz Feenstra | Senior Software Engineer >> RedHat Engineering Virtualization R & D >> Phone: +420 532 294 625 >> IRC: vfeenstr or evilissimo >> >> Better technology. Faster innovation. Powered by community >> collaboration. >> See how it works at redhat.com > > -- > > > > *Angel Docampo > * > *Datalab Tecnologia, s.a.* > Castillejos, 352 - 08025 Barcelona > Tel. 93 476 69 14 - Ext: 706 > Mob. 670.299.381 > >