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Searched refs:perfcap (Results 1 – 2 of 2) sorted by relevance

/linux/drivers/dma/idxd/
H A Dperfmon.c476 union idxd_perfcap perfcap; in perfmon_pmu_init() local
508 perfcap.bits = ioread64(PERFCAP_REG(idxd)); in perfmon_pmu_init()
515 if (perfcap.num_perf_counter == 0) in perfmon_pmu_init()
519 if (perfcap.counter_width == 0) in perfmon_pmu_init()
523 if (!perfcap.overflow_interrupt || !perfcap.counter_freeze) in perfmon_pmu_init()
527 if (perfcap.num_event_category == 0) in perfmon_pmu_init()
533 if (perfcap.cap_per_counter) in perfmon_pmu_init()
536 idxd_pmu->n_event_categories = perfcap.num_event_category; in perfmon_pmu_init()
537 idxd_pmu->supported_event_categories = perfcap.global_event_category; in perfmon_pmu_init()
538 idxd_pmu->per_counter_caps_supported = perfcap.cap_per_counter; in perfmon_pmu_init()
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/linux/drivers/iommu/intel/
H A Dperfmon.c567 u64 perfcap; in alloc_iommu_pmu() local
577 perfcap = dmar_readq(iommu->reg + DMAR_PERFCAP_REG); in alloc_iommu_pmu()
579 if (!perfcap) in alloc_iommu_pmu()
583 if (!pcap_num_cntr(perfcap) || !pcap_num_event_group(perfcap)) in alloc_iommu_pmu()
587 if (!pcap_interrupt(perfcap)) in alloc_iommu_pmu()
598 iommu_pmu->num_cntr = pcap_num_cntr(perfcap); in alloc_iommu_pmu()
605 iommu_pmu->cntr_width = pcap_cntr_width(perfcap); in alloc_iommu_pmu()
606 iommu_pmu->filter = pcap_filters_mask(perfcap); in alloc_iommu_pmu()
607 iommu_pmu->cntr_stride = pcap_cntr_stride(perfcap); in alloc_iommu_pmu()
608 iommu_pmu->num_eg = pcap_num_event_group(perfcap); in alloc_iommu_pmu()