On Tue, Dec 10, 2024, Bernhard Kauer wrote: > On Mon, Dec 09, 2024 at 05:40:48PM -0800, Sean Christopherson wrote: > > > With a single vCPU pinned to a single pCPU, the average latency for a CPUID exit > > > goes from 1018 => 1027 cycles, plus or minus a few. With 8 vCPUs, no pinning > > > (mostly laziness), the average latency goes from 1034 => 1053. > > Are these kind of benchmarks tracked somewhere automatically? I'm not sure what you're asking. The benchmark is KVM-Unit-Test's[*] CPUID test, e.g. "./x86/run x86/vmexit.flat -smp 1 -append 'cpuid'". git@xxxxxxxxxx:kvm-unit-tests/kvm-unit-tests.git[*]
