Re: [kvm-devel] KVM and Perf Counters

2007-02-01 Thread Casey Jeffery
On 2/1/07, Avi Kivity <[EMAIL PROTECTED]> wrote: > Casey Jeffery wrote: > > 1. What is the best way to start and ID multiple guests? I've just > > been configuring a script to start up two of them from the > > command-line and storing an ID in the kvm_vcpu structure. The first to > > get to get to

Re: [kvm-devel] KVM and Perf Counters

2007-02-01 Thread Casey Jeffery
Thanks for the very quick response. You guys at Qumranet are good. :) On 2/1/07, Dor Laor <[EMAIL PROTECTED]> wrote: > >The main questions I have at the moment are the following: > > > >1. What is the best way to start and ID multiple guests? I've just > >been configuring a script to start up two

Re: [kvm-devel] KVM and Perf Counters

2007-02-01 Thread Avi Kivity
Casey Jeffery wrote: > 1. What is the best way to start and ID multiple guests? I've just > been configuring a script to start up two of them from the > command-line and storing an ID in the kvm_vcpu structure. The first to > get to get to vmc_run() is designated as the primary and the other is > t

Re: [kvm-devel] KVM and Perf Counters

2007-02-01 Thread Dor Laor
>I wanted to give an update on a project I'm attempting with KVM. The >goal is to implement a software-based lockstepping of two or more >virtual guests. There are a number of applications of this, and the >most related is the ReVirt project that was done with UML and Xen by >Dunlap et al. > >The b

Re: [kvm-devel] KVM and Perf Counters

2007-02-01 Thread Casey Jeffery
I wanted to give an update on a project I'm attempting with KVM. The goal is to implement a software-based lockstepping of two or more virtual guests. There are a number of applications of this, and the most related is the ReVirt project that was done with UML and Xen by Dunlap et al. The basic id

Re: [kvm-devel] KVM and Perf Counters

2007-01-10 Thread Avi Kivity
Casey Jeffery wrote: > I've tried out the last few versions of KVM and think it's great. It's > much easier to use and understand than Xen and performance is > surprisingly good. > > One of the things I'd like to do is modify it to allow PMI generation > based on the Intel performance counter facil

[kvm-devel] KVM and Perf Counters

2007-01-09 Thread Casey Jeffery
I've tried out the last few versions of KVM and think it's great. It's much easier to use and understand than Xen and performance is surprisingly good. One of the things I'd like to do is modify it to allow PMI generation based on the Intel performance counter facilities. Specifically, I'd like to