cpu_watcher:拿取更细粒度内核互斥锁使用的信息 #860
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vvzxy
requested review from
zhangzihengya,
helight,
LinkinPF and
chenamy2017
as code owners
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好了师兄 |
chenamy2017
previously approved these changes
Jul 18, 2024
|
测试代码已添加，考虑到内核模块安全性的问题，使用stress-ng加压模拟。 |
chenamy2017
approved these changes
Jul 22, 2024
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完成如下数据采集，包括锁的锁被持有的总时间、锁被持有的最长时间、锁发生竞争的总时间、最后一次持有该锁的线程 ID，锁被争用的次数,每秒更新一次，过滤输出被争用的锁：
加上测试程序：