PERF_SAMPLE_BRANCH_KERNEL_SHIFT 162 include/uapi/linux/perf_event.h PERF_SAMPLE_BRANCH_KERNEL_SHIFT = 1, /* kernel branches */ PERF_SAMPLE_BRANCH_KERNEL_SHIFT 162 tools/include/uapi/linux/perf_event.h PERF_SAMPLE_BRANCH_KERNEL_SHIFT = 1, /* kernel branches */