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                ## 高CPU排查-個人總結 **linux出現高cpu進程排查方法** 1.查看cpu占用情況 ``` top top -p 程序pid M ``` 2.查看線程級別的cpu占用情況 ``` 方法一 ps H -eo user,pid,ppid,tid,time,%cpu,cmd --sort=%cpu | grep 進程號 方法二 top -H -p 進程號 -H :Threads-mode operation -p :Monitor-PIDs ``` 3.將問題定位到代碼行級別? ``` gstack/pstack(c/c++程序) 命令: gstack/pstack 進程號 jstack(java程序) 命令: jstack 進程號 ```
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