The general methods to collect information are sampling and program instrumentation, however, they cant satisfy fine granularity and low overhead simultaneously.
常用的收集方法有采样法和插桩法，但二者无法同时满足细粒度和低开销的要求。
The general methods to collect information are sampling and program instrumentation, however, they cant satisfy fine granularity and low overhead simultaneously.
常用的收集方法有采样法和插桩法，但二者无法同时满足细粒度和低开销的要求。
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