mipsxx_pmu_alloc_counter
idx = mipsxx_pmu_alloc_counter(cpuc, hwc);
if (mipsxx_pmu_alloc_counter(&fake_cpuc, &leader->hw) < 0)
if (mipsxx_pmu_alloc_counter(&fake_cpuc, &sibling->hw) < 0)
if (mipsxx_pmu_alloc_counter(&fake_cpuc, &event->hw) < 0)