x86_pmu_num_counters_fixed
max_count = x86_pmu_num_counters(cpuc->pmu) + x86_pmu_num_counters_fixed(cpuc->pmu);
pr_info("... fixed-purpose counters: %d\n", x86_pmu_num_counters_fixed(pmu));
cap->num_counters_fixed = x86_pmu_num_counters_fixed(NULL);
if ((x86_pmu_num_counters(&pmu->pmu) > 8) || (x86_pmu_num_counters_fixed(&pmu->pmu) > 4)) {