diff --git a/docs/study/program/JAVA/JDK17-bin.md b/docs/study/program/JAVA/JDK17-bin.md index ff57da29f..6e9b04b5b 100644 --- a/docs/study/program/JAVA/JDK17-bin.md +++ b/docs/study/program/JAVA/JDK17-bin.md @@ -55,6 +55,11 @@ jcmd VM.flags jcmd Thread.print # jcmd VM.command_line +# VM.native_memory 注意启动java进程需要增加参数-XX:NativeMemoryTracking=detail,且这个参数必须在java命令后的第一位置 +# option1 = summry 统计信息 +# option1 = baseline 设置基线 可以通过再次使用summary.diff来比较 +# option2 = scale=MB 修改单位 默认KB +jcmd VM.native_memory option1 option2 ``` ### jconsole