> > On Thu, Jan 18, 2018 at 05:43:10PM +0000, Liang, Kan wrote: > > In the uncore document, there is no event-code assigned to free running > counters. > > Some events need to be defined to indicate the free running counters. > > The events are encoded as event-code + umask-code. > > > > The event-code for all free running counters is 0xff, which is the > > same as the fixed counters. > > Is it possible to count the same things using the generic counters? >
Yes, there are events for generic counters to count bandwidth and utilization. The reasons of introducing free running counters are - To provide highly valuable information (bandwidth and utilization) which most of the customers are interested in - To save on the precious generic counters Thanks, Kan
