1/* sort -k2,2n */
2PERF_COUNT_HW_CPU_CYCLES               0
3PERF_COUNT_HW_INSTRUCTIONS             1
4PERF_COUNT_HW_CACHE_REFERENCES         2
5PERF_COUNT_HW_CACHE_MISSES             3
6PERF_COUNT_HW_BRANCH_INSTRUCTIONS      4
7PERF_COUNT_HW_BRANCH_MISSES            5
8PERF_COUNT_HW_BUS_CYCLES               6
9PERF_COUNT_HW_STALLED_CYCLES_FRONTEND  7
10PERF_COUNT_HW_STALLED_CYCLES_BACKEND   8
11PERF_COUNT_HW_REF_CPU_CYCLES           9
12