PERF_MEM_TLB_WK  1147 include/uapi/linux/perf_event.h #define PERF_MEM_TLB_WK		0x20 /* Hardware Walker*/
PERF_MEM_TLB_WK  1147 tools/include/uapi/linux/perf_event.h #define PERF_MEM_TLB_WK		0x20 /* Hardware Walker*/