jitwatch查看JIT后的汇编码

1.下载Apache Maven 3.5.3

? ? ? http://maven.apache.org/download.cgi ?

? ? ??apache-maven-3.5.3-bin.zip

? ? ? 解压为C:maven3

? ? ? 在系统环境变量加入PATH后加入maven3的bin目录C:maven3bin

? ? ?

C:UsersAdministrator>mvn -version
Apache Maven 3.5.3 (3383c37e1f9e9b3bc3df5050c29c8aff9f295297; 2018-02-25T03:49:05+08:00)
Maven home: C:maven3bin..
Java version: 1.8.0_161,vendor: Oracle Corporation
Java home: C:Program FilesJavajdk1.8.0_161jre
Default locale: zh_CN,platform encoding: GBK
OS name: "windows 7",version: "6.1",arch: "amd64",family: "windows"

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2.下载hsdis

　　https://download.csdn.net/download/y1250056491/10102978

　　复制文件windows下的HotSpot虚拟机JIT编译代码的反汇编插件，有32位和64位两个版本，放在类似jre1.8.0_141binserver和jdk1.8.0_1414jrebinserver目录下即可

　　?或者

　　https://files.cnblogs.com/files/zengkefu/hsdis.rar

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3.下载jitwatch

　　https://github.com/AdoptOpenJDK/jitwatch

　　下载解压到c:jitwatch

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4.执行java程序

　　C:java>java -server -XX:+UnlockDiagnosticVMOptions -XX:+TraceClassLoading ?-XX:+PrintAssembly -XX:+LogCompilation -XX:LogFile=java.log ?XX

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5.起动jitwatch

　　C:jitwatch>mvn clean compile exec:java