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Description of problem: Version-Release number of selected component (if applicable): How reproducible: 100% win2k8R2 Steps to Reproduce: 1.Start guest with virtio-balloon-pci and -m 4G 2.in the guest install balloon service #blnsvr -i 3.stop balloon service #blnsvr -s 4.(qemu)balloon 2024 5.Pause balloon service #blnsvr -r #blnsrv -p 6.(qemu)balloon 4096 Actual results: in steps 4 and steps6 ,guest still can balloon . Expected results: guest should not balloon when balloon service is paused or stopped Additional info:
Hi Mike, Balloon service is not for managing balloon driver. The main purpose of blnsvr service is to provide balloon driver with the memory statistics, like soft and hard page faults, available memory, etc. Best regards, Vadim.
(In reply to comment #1) > Hi Mike, > Balloon service is not for managing balloon driver. > The main purpose of blnsvr service is to provide balloon > driver with the memory statistics, like soft and hard > page faults, available memory, etc. > > Best regards, > Vadim. Hi，Vadim After install this service I still can not see the memory statistis both in qemu monitor and in qmp monitor after enable the service .I remember this works for linux guest Where Can I see the memory statistics ? Thanks, Mike
(In reply to comment #2) > (In reply to comment #1) > > Hi Mike, > > Balloon service is not for managing balloon driver. > > The main purpose of blnsvr service is to provide balloon > > driver with the memory statistics, like soft and hard > > page faults, available memory, etc. > > > > Best regards, > > Vadim. > > Hi，Vadim > > After install this service > I still can not see the memory statistis both in qemu monitor and in qmp > monitor after enable the service .I remember this works for linux guest It probably not. virtio-balloon.c, lines 35,36 /* Disable guest-provided stats by now (bz#623903, bz#626544) */ #define ENABLE_GUEST_STATS 0 Best regards, Vadim. > Where Can I see the memory statistics ? > > Thanks, > Mike
-#define ENABLE_GUEST_STATS 0 +#define ENABLE_GUEST_STATS 1 then compile qemu-kvm .find the memory statistics works . Thanks a lot Vadim! Close this as notabug