Gleb Natapov <gleb@xxxxxxxxxx> wrote on 27/11/2013 09:35:01 AM: > From: Gleb Natapov <gleb@xxxxxxxxxx> > To: Jason Wang <jasowang@xxxxxxxxxx>, > Cc: Razya Ladelsky/Haifa/IBM@IBMIL, kvm@xxxxxxxxxxxxxxx, > anthony@xxxxxxxxxxxxx, "Michael S. Tsirkin" <mst@xxxxxxxxxx>, > pbonzini@xxxxxxxxxx, asias@xxxxxxxxxx, digitaleric@xxxxxxxxxx, > abel.gordon@xxxxxxxxx, Abel Gordon/Haifa/IBM@IBMIL, Eran Raichstein/ > Haifa/IBM@IBMIL, Joel Nider/Haifa/IBM@IBMIL, bsd@xxxxxxxxxx > Date: 27/11/2013 11:35 AM > Subject: Re: Elvis upstreaming plan > > On Wed, Nov 27, 2013 at 10:49:20AM +0800, Jason Wang wrote: > > > 4. vhost statistics > > > This patch introduces a set of statistics to monitor different > performance > > > metrics of vhost and our polling and I/O scheduling mechanisms. The > > > statistics are exposed using debugfs and can be easily displayed with a > > > Python script (vhost_stat, based on the old kvm_stats) > > > https://github.com/abelg/virtual_io_acceleration/commit/ > ac14206ea56939ecc3608dc5f978b86fa322e7b0 > > > > How about using trace points instead? Besides statistics, it can also > > help more in debugging. > Definitely. kvm_stats has moved to ftrace long time ago. > > -- > Gleb. > Ok - we will look at this newer mechanism. Joel Nider Virtualization Research IBM Research and Development Haifa Research Lab Phone: 972-4-829-6326 | Mobile: 972-54-3155635 (Embedded image moved to file: E-mail: JOELN@xxxxxxxxxx pic56195.gif)IBM
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