pct.txt

 1* ARC Performance Counters
 2
 3The ARC700 can be configured with a pipeline performance monitor for counting
 4CPU and cache events like cache misses and hits. Like conventional PCT there
 5are 100+ hardware conditions dynamically mapped to up to 32 counters
 6
 7Note 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
11Required properties:
12
13- compatible : should contain
14	"snps,arc700-pct"
15
16Example:
17
18pmu {
19        compatible = "snps,arc700-pct";
20};