cpumf_cf_event_group   25 arch/s390/include/asm/perf_event.h extern __init const struct attribute_group **cpumf_cf_event_group(void);
cpumf_cf_event_group  554 arch/s390/kernel/perf_cpum_cf.c 	cpumf_pmu.attr_groups = cpumf_cf_event_group();