On 17/08/2016 19:20, Punit Agrawal wrote: > > > Having the ability to monitor the usage of guest TLB invalidations in > > > the host can be useful to diagnose performance issues on such systems. > > > > Are there hardware performance counters for these operations? > > That would have been ideal! There are PMU events defined for TLB > accesses and refills but unhelpfully none of them track maintenance > operations.
I guess the patches do make sense then. :) Paolo
