Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
[sfrench/cifs-2.6.git] / Documentation / devicetree / bindings / arc / pct.txt
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 upto 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 };