| * ARC Performance Monitor Unit |
| |
| The ARC 700 can be configured with a pipeline performance monitor for counting |
| CPU and cache events like cache misses and hits. |
| |
| Note that: |
| * ARC 700 refers to a family of ARC processor cores; |
| - There is only one type of PMU available for the whole family; |
| - The PMU may support different sets of events; supported events are probed |
| at boot time, as required by the reference manual. |
| |
| * The ARC 700 PMU does not support interrupts; although HW events may be |
| counted, the HW events themselves cannot serve as a trigger for a sample. |
| |
| Required properties: |
| |
| - compatible : should contain |
| "snps,arc700-pmu" |
| |
| Example: |
| |
| pmu { |
| compatible = "snps,arc700-pmu"; |
| }; |
