cpumsf_pmu_attr_groups 2002 arch/s390/kernel/perf_cpum_sf.c static const struct attribute_group *cpumsf_pmu_attr_groups[] = { cpumsf_pmu_attr_groups 2020 arch/s390/kernel/perf_cpum_sf.c .attr_groups = cpumsf_pmu_attr_groups,