armv6pmu_get_event_idx 499 arch/arm/kernel/perf_event_v6.c cpu_pmu->get_event_idx = armv6pmu_get_event_idx; armv6pmu_get_event_idx 550 arch/arm/kernel/perf_event_v6.c cpu_pmu->get_event_idx = armv6pmu_get_event_idx;