spe-pmu.txt

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    1 * ARMv8.2 Statistical Profiling Extension (SPE) Performance Monitor Units (PMU)
    2 
    3 ARMv8.2 introduces the optional Statistical Profiling Extension for collecting
    4 performance sample data using an in-memory trace buffer.
    5 
    6 ** SPE Required properties:
    7 
    8 - compatible : should be one of:
    9                "arm,statistical-profiling-extension-v1"
   10 
   11 - interrupts : Exactly 1 PPI must be listed. For heterogeneous systems where
   12                SPE is only supported on a subset of the CPUs, please consult
   13                the arm,gic-v3 binding for details on describing a PPI partition.
   14 
   15 ** Example:
   16 
   17 spe-pmu {
   18         compatible = "arm,statistical-profiling-extension-v1";
   19         interrupts = <GIC_PPI 05 IRQ_TYPE_LEVEL_HIGH &part1>;
   20 };

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/arm/spe-pmu.txt

FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/arm/spe-pmu.txt