https://bugs.launchpad.net/bugs/1560482 [PATCH 1/4] powerpc/perf/hv-24x7: Fix usage with chip events. [PATCH 2/4] powerpc/perf/hv-24x7: Display change in counter values [PATCH 3/4] powerpc/perf/hv-24x7: Display domain indices in sysfs [PATCH 4/4] powerpc/perf/24x7: Eliminate domain suffix in event names rtg