linux kill命令详解 - 飘飘雪 - 博客园
https://www.cnblogs.com/wangcp-2014/p/5146343.html

multithreading - kill -3 to get java thread dump - Stack Overflow
https://*.com/questions/4876274/kill-3-to-get-java-thread-dump

kill -3 PID命令获取java应用堆栈信息 - STM32STM32STM32 - 博客园
https://www.cnblogs.com/stm32stm32/p/10427618.html