Implement a low overhead pmu collection library, providing abstract interfaces for counting, sampling and symbol resolve.
qemu is a generic and open source machine emulator and virtualizer.
yocto-meta-openeuler是用于构建openEuler Embedded所需要的一系列工具、构建配方的集合， 以及当前openEuler Embedded开发使用文档的承载仓库。
