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一文看懂Linux性能分析|perf源码实现
我们在《一文看懂Linux性能分析|perf 原理》一文中介绍过,perf 是基于采样来对程序进行分析的。采样的步骤如下: 通过设置一个定时器,定时器的触发时间可以由用户设定。 定时器被触发后,将会调用采集函数收集当前运行环境的数据(如当前正在执行的 ...
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