1PERF_COUNT_HW_CPU_CYCLES 0 2PERF_COUNT_HW_INSTRUCTIONS 1 3PERF_COUNT_HW_CACHE_REFERENCES 2 4PERF_COUNT_HW_CACHE_MISSES 3 5PERF_COUNT_HW_BRANCH_INSTRUCTIONS 4 6PERF_COUNT_HW_BRANCH_MISSES 5 7PERF_COUNT_HW_BUS_CYCLES 6 8PERF_COUNT_HW_STALLED_CYCLES_FRONTEND 7 9PERF_COUNT_HW_STALLED_CYCLES_BACKEND 8 10PERF_COUNT_HW_REF_CPU_CYCLES 9 11#unterminated 12