bindings/perf/spe-pmu.yaml

1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/perf/spe-pmu.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: ARMv8.2 Statistical Profiling Extension (SPE) Performance Monitor Units (PMU)
10   - Will Deacon <will@kernel.org>
13   ARMv8.2 introduces the optional Statistical Profiling Extension for collecting
14   performance sample data using an in-memory trace buffer.
18     const: arm,statistical-profiling-extension-v1
24       supported on a subset of the CPUs, please consult the arm,gic-v3 binding
30   - compatible
31   - interrupts
34   - |
35     #include <dt-bindings/interrupt-controller/arm-gic.h>
37     spe-pmu {
38         compatible = "arm,statistical-profiling-extension-v1";