knl_uncore_cha_format_group 1997 arch/x86/events/intel/uncore_snbep.c static const struct attribute_group knl_uncore_cha_format_group = { knl_uncore_cha_format_group 2091 arch/x86/events/intel/uncore_snbep.c .format_group = &knl_uncore_cha_format_group,