Re: vm vcpu uses isolated cores

2021-09-02 Thread Daniel P . Berrangé
On Thu, Sep 02, 2021 at 10:24:08AM +0200, Martin Kletzander wrote: > On Thu, Sep 02, 2021 at 10:44:06AM +0800, Jiatong Shen wrote: > > Hello, > > > > I am trying to understand why qemu vm CPU threads uses isolated cpus. > > > > I have a host which isolates some cpus using isolcpu > > like isol

Re: vm vcpu uses isolated cores

2021-09-02 Thread Martin Kletzander
On Thu, Sep 02, 2021 at 10:44:06AM +0800, Jiatong Shen wrote: Hello, I am trying to understand why qemu vm CPU threads uses isolated cpus. I have a host which isolates some cpus using isolcpu like isolcpus=1,2,3,4,5,7,8,9,10,11. unfortunately, vcpupin does not mask out these cpus (vcpupin is

vm vcpu uses isolated cores

2021-09-01 Thread Jiatong Shen
Hello, I am trying to understand why qemu vm CPU threads uses isolated cpus. I have a host which isolates some cpus using isolcpu like isolcpus=1,2,3,4,5,7,8,9,10,11. unfortunately, vcpupin does not mask out these cpus (vcpupin is still something like ). When I log in to the system,