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    Subject[PATCH RESEND V5 0/6] perf, amd: Enable AMD family 15h northbridge counters
    Date
    The following patchset enables 4 additional performance counters in
    AMD family 15h processors that count northbridge events -- such as
    number of DRAM accesses.

    This patchset is based on previous work done by Robert Richter
    <rric@kernel.org> :

    https://lkml.org/lkml/2012/6/19/324

    The main differences are:

    * The northbridge counters are indexed contiguously right above the
    core performance counters.

    * MSR address offset calculations are moved to architecture specific
    files.

    * Interrups are set up to be delivered only to a single core.

    V5:
    Rebased against latest tip

    V4:
    * Moved interrupt core select set up back to event constraints
    function, sicne during ->hw_config time we do not yet know on which
    CPU the the event will run on.
    * Tested on and made minor revisions to make sure that the patchset is
    compatible with upcoming AMD Family 16h processors, and will support
    core and NB counters without any further patches.

    V3:
    Addressed the following feedback/comments from Robert's review
    * https://lkml.org/lkml/2012/11/16/484
    * https://lkml.org/lkml/2012/11/26/162

    V2:
    Separate out Robert's patches, and add properly ordered certificate of
    origins.

    Jacob Shin (4):
    perf, amd: Use proper naming scheme for AMD bit field definitions
    perf, x86: Move MSR address offset calculation to architecture
    specific files
    perf, x86: Allow for architecture specific RDPMC indexes
    perf, amd: Enable northbridge performance counters on AMD family 15h

    Robert Richter (2):
    perf, amd: Rework northbridge event constraints handler
    perf, amd: Generalize northbridge constraints code for family 15h

    arch/x86/include/asm/cpufeature.h | 2 +
    arch/x86/include/asm/perf_event.h | 13 +-
    arch/x86/include/uapi/asm/msr-index.h | 2 +
    arch/x86/kernel/cpu/perf_event.c | 2 +-
    arch/x86/kernel/cpu/perf_event.h | 25 ++-
    arch/x86/kernel/cpu/perf_event_amd.c | 318 +++++++++++++++++++++++++--------
    6 files changed, 268 insertions(+), 94 deletions(-)

    --
    1.7.9.5




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