PERF_MEM_LVL_LFB 1096 include/uapi/linux/perf_event.h #define PERF_MEM_LVL_LFB	0x10  /* Line Fill Buffer */
PERF_MEM_LVL_LFB 1096 tools/include/uapi/linux/perf_event.h #define PERF_MEM_LVL_LFB	0x10  /* Line Fill Buffer */