jstack cpu锁问题查找

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  1. sudo -u tomcat /usr/local/jdk18/bin/jps -l
  1. top -Hp 4144
  1. sudo -u tomcat /usr/local/jdk18/bin/jstack -l 4144 > test.jstack
    printf %x 4856  =====jstack 16进制数据  12f8