> That's a possibility. And if it's correct, your provider is certainly correct in complaining. :) Yes, but as a cloud provider he should provide us prerequisites on VM config 😉. I will give it a try! Thanks! -----Message d'origine----- De : Paolo Bonzini <pbonzini@xxxxxxxxxx> Envoyé : mardi 7 janvier 2020 18:36 À : Gregory Esnaud <Gregory.ESNAUD@xxxxxxxx>; kvm@xxxxxxxxxxxxxxx Objet : Re: [Newbie question] Why usage of CPU inside VM and outside VM is different On 07/01/20 18:32, Gregory Esnaud wrote: > Hi Paolo, > > Thanks for your quick answer. > > Are you using only 2 CPUs at 100%, or are you using 9 CPUs at a total of 200%? > > Inside the VM, a top command show that we are using 2 CPU @ 100%: > https://framadrop.org/r/gNf3erJVf6#t2HLIpzPHGtxHzHeLrnGGjsRSZZpmv9HPVZ > t/LIIP8s= From the hypervisor (ie, *outside* the vm), a top command > show that the VM consuming 9 cpu: > https://framadrop.org/r/-FmrBhMGX5#q/6aZ8Fq2Mnuzz3+6F/pa83U+jzPox1hd98 > 4tw7DkuA= > > So, if I'm understanding you correctly, an parameter of kernel of our VM is idel=poll that we should change? > That's a possibility. And if it's correct, your provider is certainly correct in complaining. :) Paolo
