PERF_MEM_LVLNUM_L4 1114 include/uapi/linux/perf_event.h #define PERF_MEM_LVLNUM_L4	0x04 /* L4 */
PERF_MEM_LVLNUM_L4 1114 tools/include/uapi/linux/perf_event.h #define PERF_MEM_LVLNUM_L4	0x04 /* L4 */