scorpion_pmu_get_event_idx 1992 arch/arm/kernel/perf_event_v7.c cpu_pmu->get_event_idx = scorpion_pmu_get_event_idx; scorpion_pmu_get_event_idx 2005 arch/arm/kernel/perf_event_v7.c cpu_pmu->get_event_idx = scorpion_pmu_get_event_idx;