所以MONOTONIC 具有纳秒精度,COARSE 具有 4 毫秒精度。 与上面的评论不同,我相反建议在您需要的时间允许的情况下使用COARSE版本。 用户程序中对时钟的调用非常频繁,因此它们在vDSO中占有一席之地 当您使用 COARSE 版本时,您的系统调用恰好为零,并且速度与您的机器运行几条指令的速度一样快。感谢 vDSO,您的程序在与...
答案是，不会。子类优先实现父类的方法，虽然父类的方法和接口的方法长得一模一样。 class father{ ...
A brief description The zookeeper client can not connect server Expected results Connecting to 192.168.99.100:2181 2016-09-06 16:39:49,682 [myid:] - INFO [main:Environment@100] - Client environment:zookeeper.version=3.4.8--1, built on 02...
The clock_realtime (2) man page does not document the clk_id values CLOCK_REALTIME_COARSE and CLOCK_MONOTONIC_COARSE. However, both are referenced and present in the source for the kernel and glibc and are mentioned in Red Hat's Realtime Reference Guide.Environment...
For the record: also breaks compilation on macOS. I do not remember the discussion. If it is about eventual performance issues, I only care if I see the issue when profiling real LAIK applications. We never want to do fine-grained profiling within LAIK. There are tools for that (sampling...