Java 之 JFR

参考链接

https://blog.csdn.net/FuncFun/article/details/155570756
https://www.oracle.com/technetwork/cn/java/javaseproducts/mission-control/index.html

arthas

https://mp.weixin.qq.com/s/5wH1V3dy4XjHNMzbj7S4QA

java/jmc.txt：

This version of the JDK no longer includes a copy of Java Mission Control (JMC). JMC is now available as a separate download. Please visit https://www.oracle.com/javase/jmc for more information

FlightRecorder 运行情况

# time java -XX:+FlightRecorder -XX:+UnlockCommercialFeatures -XX:StartFlightRecording