ARM Performance Monitoring Unit(PMU)简介

参考

• Trusted Firmware-A Documentation: 8.6. Performance Monitoring Unit : Trusted Firmware-A(TF-A)是Armv7-A和Armv8-A的安全软件参考

• Hardware-Based Performance Monitoring with Perf SUSE Linux 性能优化参考手册中Perf

• How to Use Performance Monitor Unit(PMU) of 64-bit ARMv8-A in Linux

• ARMv7 instructions to access performance counters directly from assembly language 提供了一些参考资料链接