On 20/06/2017 15:09, Stefan Raspl wrote: >> Sorry for the stupid question, when can this be useful? :) > > When you have several guests running for weeks, and want to have a > quick check whether any of the events was triggered in an excessive > manner while you weren't looking (via kvm_stat or similar)? Maybe kvm_stat could take an option for "do not reset debugfs on startup"? Is there a case where kvm_stat would be invoked for a while and _then_ you press 't'? Paolo