The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)

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FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/arc/pct.txt

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    1 * ARC Performance Counters
    2 
    3 The ARC700 can be configured with a pipeline performance monitor for counting
    4 CPU and cache events like cache misses and hits. Like conventional PCT there
    5 are 100+ hardware conditions dynamically mapped to up to 32 counters
    6 
    7 Note that:
    8  * The ARC 700 PCT does not support interrupts; although HW events may be
    9    counted, the HW events themselves cannot serve as a trigger for a sample.
   10 
   11 Required properties:
   12 
   13 - compatible : should contain
   14         "snps,arc700-pct"
   15 
   16 Example:
   17 
   18 pmu {
   19         compatible = "snps,arc700-pct";
   20 };

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