Re: [libvirt-users] Domain vCPU threads affinity

2018-09-05 Thread Nikos Anastopoulos
On Wed, Sep 5, 2018 at 4:25 PM Ján Tomko wrote: > On Wed, Sep 05, 2018 at 03:48:45PM +0300, Nikos Anastopoulos wrote: > >Hello, > > > >According to the docs, vcpupin will use either cgroups or > sched_setaffinity > >to pin vcpu threads to cpus. How is this decision made? > >I observe differences

Re: [libvirt-users] Domain vCPU threads affinity

2018-09-05 Thread Ján Tomko
On Wed, Sep 05, 2018 at 03:48:45PM +0300, Nikos Anastopoulos wrote: Hello, According to the docs, vcpupin will use either cgroups or sched_setaffinity to pin vcpu threads to cpus. How is this decision made? I observe differences even on different hosts featuring the same version of libvirtd (1.3

[libvirt-users] Domain vCPU threads affinity

2018-09-05 Thread Nikos Anastopoulos
Hello, According to the docs, vcpupin will use either cgroups or sched_setaffinity to pin vcpu threads to cpus. How is this decision made? I observe differences even on different hosts featuring the same version of libvirtd (1.3.1): on one host vcpupin affects cpuset.cpus (cgroup), and on the othe