Re: [PATCH] kvm: reuse per-vcpu stats fd to avoid vcpu interruption

Marcelo Tosatti writes: > A regression has been detected in latency testing of KVM guests. > More specifically, it was observed that the cyclictest > numbers inside of an isolated vcpu (running on isolated pcpu) are: > > # Max Latencies: 00090 00096 00141 > > Where a maximum of 50us is acceptable

[PATCH] kvm: reuse per-vcpu stats fd to avoid vcpu interruption

A regression has been detected in latency testing of KVM guests. More specifically, it was observed that the cyclictest numbers inside of an isolated vcpu (running on isolated pcpu) are: # Max Latencies: 00090 00096 00141 Where a maximum of 50us is acceptable. The implementation of KVM_GET_STA