Update JDK17-bin.md

YiRanCN · Mar 4, 2025 · b29226b · b29226b
1 parent 72f51fa
commit b29226b
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diff --git a/docs/study/program/JAVA/JDK17-bin.md b/docs/study/program/JAVA/JDK17-bin.md
@@ -55,6 +55,11 @@ jcmd <pid> VM.flags
 jcmd <pid> Thread.print
 #
 jcmd <pid> 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 <pid> VM.native_memory option1 option2
 ```
 
 ### jconsole