On Tue, May 04, 2021 at 01:52:36AM -0500, Suravee Suthikulpanit wrote: > 2. Since AMD IOMMU PMU does not support interrupt mode, the logic > can be simplified to always start counting with value zero, > and accumulate the counter value when stopping without the need > to keep track and reprogram the counter with the previously read > counter value.
This relies on the hardware counter being the full 64bit wide, is it? _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu