Re: [Qemu-devel] [PATCH 0/3] add query-cpu-fast and related s390 changes

2018-02-12 Thread Viktor Mihajlovski
On 12.02.2018 16:38, Cornelia Huck wrote: > On Mon, 12 Feb 2018 13:14:29 +0100 > Viktor Mihajlovski wrote: > >> This series consolidates patches around a performance issue >> caused by the usage of QMP query-cpus. > > Thank you for consolidating this; it was a bit hard to follow the > different

Re: [Qemu-devel] [PATCH 0/3] add query-cpu-fast and related s390 changes

2018-02-12 Thread Cornelia Huck
On Mon, 12 Feb 2018 13:14:29 +0100 Viktor Mihajlovski wrote: > This series consolidates patches around a performance issue > caused by the usage of QMP query-cpus. Thank you for consolidating this; it was a bit hard to follow the different discussions. > > A performance issue was found in an O

[Qemu-devel] [PATCH 0/3] add query-cpu-fast and related s390 changes

2018-02-12 Thread Viktor Mihajlovski
This series consolidates patches around a performance issue caused by the usage of QMP query-cpus. A performance issue was found in an OpenStack environment, where ceilometer was collecting domain statistics with libvirt. The domain statistics reported by libvirt include the vCPU halted state, whi