Messages in this thread | | | Date | Mon, 20 May 2013 10:41:29 -0500 | From | Suravee Suthikulanit <> | Subject | Re: [PATCH 0/2 V3] perf/x86/amd: IOMMU Performance Counter Support |
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Peter,
Please let me know if you have any questions/concerns regarding the PMU implementation.
Joerg, Please let me know if you have any questions/concerns regarding the changes in the IOMMU driver.
Thank you,
Suravee
On 5/17/2013 2:43 PM, suravee.suthikulpanit@amd.com wrote: > From: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com> > > These patches implement the AMD IOMMU Performance Counter functionality > via custom perf PMU and implement static counting for various IOMMU > translations. > > 1) Extend the AMD IOMMU initialization to include performance > counter enablement. > > 2) The perf AMD IOMMU PMU to manage performance counters, which > interface with the AMD IOMMU core driver. > > Steven L Kinney (1): > perf/x86/amd: Adding IOMMU PC resource management > > Suravee Suthikulpanit (1): > perf/x86/amd: AMD IOMMU PC PERF uncore PMU implementation > > arch/x86/kernel/cpu/Makefile | 2 +- > arch/x86/kernel/cpu/perf_event_amd_iommu.c | 500 ++++++++++++++++++++++++++++ > arch/x86/kernel/cpu/perf_event_amd_iommu.h | 40 +++ > drivers/iommu/amd_iommu_init.c | 121 ++++++- > drivers/iommu/amd_iommu_proto.h | 7 + > drivers/iommu/amd_iommu_types.h | 12 +- > 6 files changed, 675 insertions(+), 7 deletions(-) > create mode 100644 arch/x86/kernel/cpu/perf_event_amd_iommu.c > create mode 100644 arch/x86/kernel/cpu/perf_event_amd_iommu.h >
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