PERF_MEM_LVLNUM_L2 1112 include/uapi/linux/perf_event.h #define PERF_MEM_LVLNUM_L2	0x02 /* L2 */
PERF_MEM_LVLNUM_L2 1112 tools/include/uapi/linux/perf_event.h #define PERF_MEM_LVLNUM_L2	0x02 /* L2 */