性能分析

jcmd指令

解鎖

jcmd 11504 VM.unlock_commercial_features

開啟

jcmd 11504 JFR.start name=endless settings=profile delay=3s duration=0 compress=true

檢測

jcmd 11504 JFR.check

生成檔案

jcmd 11504 JFR.dump recording=1 filename="./shcrmserver.jfr" compress=true

停止

jcmd 11504 JFR.stop recording=1

再用jmc工具來檢視