extra_skl_attr 4515 arch/x86/events/intel/core.c struct attribute **extra_skl_attr = &empty_attrs; extra_skl_attr 5014 arch/x86/events/intel/core.c extra_skl_attr = skl_format_attr; extra_skl_attr 5057 arch/x86/events/intel/core.c extra_skl_attr = skl_format_attr; extra_skl_attr 5092 arch/x86/events/intel/core.c group_format_extra_skl.attrs = extra_skl_attr;