Gleb Natapov <gleb@xxxxxxxxxxxxx> wrote on 24/12/2013 06:21:03 PM: > From: Gleb Natapov <gleb@xxxxxxxxxx> > To: Razya Ladelsky/Haifa/IBM@IBMIL, > Cc: "Michael S. Tsirkin" <mst@xxxxxxxxxx>, abel.gordon@xxxxxxxxx, > Anthony Liguori <anthony@xxxxxxxxxxxxx>, asias@xxxxxxxxxx, > digitaleric@xxxxxxxxxx, Eran Raichstein/Haifa/IBM@IBMIL, > gleb@xxxxxxxxxx, jasowang@xxxxxxxxxx, Joel Nider/Haifa/IBM@IBMIL, > kvm@xxxxxxxxxxxxxxx, kvm-owner@xxxxxxxxxxxxxxx, pbonzini@xxxxxxxxxx, > Stefan Hajnoczi <stefanha@xxxxxxxxx>, Yossi Kuperman1/Haifa/ > IBM@IBMIL, Eyal Moscovici/Haifa/IBM@IBMIL, bsd@xxxxxxxxxx > Date: 24/12/2013 06:21 PM > Subject: Re: Updated Elvis Upstreaming Roadmap > Sent by: Gleb Natapov <gleb@xxxxxxxxxxxxx> > > On Tue, Dec 17, 2013 at 12:04:42PM +0200, Razya Ladelsky wrote: > > 4. vhost statistics > > > > The issue that was raised for the vhost statistics was using ftrace > > instead of the debugfs mechanism. > > However, looking further into the kvm stat mechanism, we learned that > > ftrace didn't replace the plain debugfs mechanism, but was used in > > addition to it. > > > It did. Statistics in debugfs is deprecated. No new statistics are > added there. kvm_stat is using ftrace now (if available) and of course > ftrace gives seamless integration with perf. > O.k, I understand. We'll look more into ftrace to see that it fully supports our vhost statistics requirements. Thank you, Razya > -- > Gleb. > -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html