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SubjectRe: [PATCH 0/2 V3] perf/x86/amd: IOMMU Performance Counter Support
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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