java-tracer : 方法调用跟踪记录工具

agent 工具 可以用来记录方法调用

步骤 1 下载agent包

直接从 https://github.com/fengzhongke/java-tracer/blob/master/java-tracer.jar 下载到本地 或者下载源码包 mvn clean package 打包，在项目根目录下面就有一个java-tracer.jar

步骤 2 运行进程

运行进程如下

1. 如果使用命令行启动java进程 java -javaagent:xxx/tracer-agent/target/java-tracer.jar xxx
2. 使用IDE启动进程 增加-javaagent:xxx/tracer-agent/target/java-tracer.jar 到VM启动参数

步骤 3 访问链接

游览器访问 http://127.0.0.1:18902 页面功能包括

1. 系统信息，包括 a.classLoader&class信息，b.thread信息
2. 设置需要跟踪的类(cname)、方法(mname)、保存链路跟踪个数(size)
3. 查看链路

agent tool used for trace method invoke

STEP 1 download agent jar

you can download from https://github.com/fengzhongke/java-tracer/blob/master/java-tracer.jar to local storage or download source and use maven to package and then in the root directory you can find java-tracer.jar

STEP 2 start process

running java process as follow

1. with commond: java -javaagent:xxx/tracer-agent/target/java-tracer.jar xxx
2. with IDE add -javaagent:xxx/tracer-agent/target/java-tracer.jar to VM arguments

STEP 3 visit links

visit http://127.0.0.1:18902/tracer/info see results as follow use browser to visit http://127.0.0.1:18902 actions include

1. system infomation include a.classLoader&class detail，b.intime thread detail
2. to set class(cname) and method(mname) to trace and numbers of trace result to retain
3. view the trance

END

DEMO:

1. Mybatis ：https://fengzhongke.github.io/pages/chart.html?page=mybatis
2. Spring ：https://fengzhongke.github.io/pages/chart.html?page=spring
3. Netty1 ：https://fengzhongke.github.io/pages/chart.html?page=NettyServer
4. Netty2 ：https://fengzhongke.github.io/pages/chart.html?page=NioEventLoop