PERF_MEM_TLB_OS 1148 include/uapi/linux/perf_event.h #define PERF_MEM_TLB_OS 0x40 /* OS fault handler */ PERF_MEM_TLB_OS 1148 tools/include/uapi/linux/perf_event.h #define PERF_MEM_TLB_OS 0x40 /* OS fault handler */