>> Introduce the flag PMUEF_READ_CPU_PKG, useful for uncore events, that >> allows a PMU to signal the generic perf code that an event is readable >> on the current CPU if the event is: >> - active in a CPU in the same package as the current CPU (local CPU) > > Ok that I get.. > >> - not active but is attached to a CPU (i.e. event->cpu != -1) in the >> same package as the current CPU. > > but this, not so much. Why would you want to read an inactive counter?
Uncore counters are active even if its event is not.
