jstack

https://www.cnblogs.com/gyjx2016/p/11168273.html https://blog.csdn.net/weixin_38548413/article/details/111919361

top -Hp 2047
printf  "%x" 2059

alpine中获取进程ID下的线程cpu消耗情况
ps -mp 7 -o THREAD,tid,time|sort -rn

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