Re: [libvirt] [PATCH 0/2] Avoid touching monitor when fetching guest XML or info

2012-07-13 Thread Guannan Ren
On 07/13/2012 01:01 AM, Daniel P. Berrange wrote: On Thu, Jul 12, 2012 at 11:45:55PM +0800, Guannan Ren wrote: The virDomainGetXMLDesc and virDomainGetInfo APIs for QEMU suffer from needing to run 'query-balloon' to update the balloon level. This has caused us performance problems and even worse

Re: [libvirt] [PATCH 0/2] Avoid touching monitor when fetching guest XML or info

2012-07-12 Thread Daniel P. Berrange
On Thu, Jul 12, 2012 at 11:45:55PM +0800, Guannan Ren wrote: > > The virDomainGetXMLDesc and virDomainGetInfo APIs for QEMU suffer > from needing to run 'query-balloon' to update the balloon level. > This has caused us performance problems and even worse caused us > to lock up on a dead QEMU. > >

[libvirt] [PATCH 0/2] Avoid touching monitor when fetching guest XML or info

2012-07-12 Thread Guannan Ren
The virDomainGetXMLDesc and virDomainGetInfo APIs for QEMU suffer from needing to run 'query-balloon' to update the balloon level. This has caused us performance problems and even worse caused us to lock up on a dead QEMU. The following two patches to QEMU add a BALLOON_EVENT and a query-events c

Re: [libvirt] [PATCH 0/2] Avoid touching monitor when fetching guest XML or info

2012-05-16 Thread Eric Blake
On 05/16/2012 08:35 AM, Daniel P. Berrange wrote: > The virDomainGetXMLDesc and virDomainGetInfo APIs for QEMU suffer > from needing to run 'query-balloon' to update the balloon level. > This has caused us performance problems and even worse caused us > to lock up on a dead QEMU. > > The following

[libvirt] [PATCH 0/2] Avoid touching monitor when fetching guest XML or info

2012-05-16 Thread Daniel P. Berrange
The virDomainGetXMLDesc and virDomainGetInfo APIs for QEMU suffer from needing to run 'query-balloon' to update the balloon level. This has caused us performance problems and even worse caused us to lock up on a dead QEMU. The following two patches to QEMU add a BALLOON_EVENT and a query-events co