add

spring-boot-agent/pom.xml

@@ -25,11 +25,36 @@
             <artifactId>javassist</artifactId>
             <version>3.11.0.GA</version>
         </dependency>
+        <dependency>
+            <groupId>net.bytebuddy</groupId>
+            <artifactId>byte-buddy</artifactId>
+            <version>1.10.1</version>
+        </dependency>
+
+        <dependency>
+            <groupId>net.bytebuddy</groupId>
+            <artifactId>byte-buddy-agent</artifactId>
+            <version>1.10.1</version>
+        </dependency>
     </dependencies>
 
     <build>
         <pluginManagement>
             <plugins>
+                <plugin>
+                    <groupId>org.apache.maven.plugins</groupId>
+                    <artifactId>maven-jar-plugin</artifactId>
+                    <configuration>
+                        <archive>
+                            <manifestEntries>
+                                <Premain-Class>com.qianglu.agent.AgentStartup</Premain-Class>
+                                <Agent-Class>com.qianglu.agent.AgentStartup</Agent-Class>
+                                <Can-Redefine-Classes>true</Can-Redefine-Classes>
+                                <Can-Retransform-Classes>true</Can-Retransform-Classes>
+                            </manifestEntries>
+                        </archive>
+                    </configuration>
+                </plugin>
 
                 <plugin>
                     <groupId>org.apache.maven.plugins</groupId>
@@ -63,6 +88,8 @@
                         <artifactSet>
                             <includes>
                                 <include>javassist:javassist:jar:</include>
+                                <include>net.bytebuddy:byte-buddy:jar:</include>
+                                <include>net.bytebuddy:byte-buddy-agent:jar:</include>
                             </includes>
                         </artifactSet>
                     </configuration>

spring-boot-agent/src/main/java/com/qianglu/agent/AgentStartup.java

 package com.qianglu.agent;
 
 
-import com.qianglu.agent.service.DumpClassesService;
-import com.qianglu.agent.service.PerformMonitorTransformer;
+import com.qianglu.agent.config.TimeInterceptor;
+import net.bytebuddy.agent.builder.AgentBuilder;
+import net.bytebuddy.description.type.TypeDescription;
+import net.bytebuddy.dynamic.DynamicType;
+import net.bytebuddy.implementation.MethodDelegation;
+import net.bytebuddy.matcher.ElementMatchers;
+import net.bytebuddy.utility.JavaModule;
 
 import java.lang.instrument.Instrumentation;
 
@@ -11,8 +16,45 @@ import java.lang.instrument.Instrumentation;
  */
 public class AgentStartup {
 
-	public static void premain(String arg, Instrumentation instrumentation) {
-		System.err.println("agent startup , args is " + arg);
-		// 注册我们的文件下载函数
-		instrumentation.addTransformer(new PerformMonitorTransformer());	}
+    public static void premain(String arg, Instrumentation instrumentation) {
+        System.err.println("agent startup , args is " + arg);
+//		instrumentation.addTransformer(new PerformMonitorTransformer());
+        AgentBuilder.Transformer transformer = new AgentBuilder.Transformer() {
+            @Override
+            public DynamicType.Builder<?> transform(DynamicType.Builder<?> builder, TypeDescription typeDescription, ClassLoader classLoader, JavaModule javaModule) {
+                return builder
+                        .method(ElementMatchers.any()) // 拦截任意方法
+                        .intercept(MethodDelegation.to(TimeInterceptor.class));
+            }
+        };
+
+        AgentBuilder.Listener listener = new AgentBuilder.Listener() {
+            @Override
+            public void onDiscovery(String s, ClassLoader classLoader, JavaModule javaModule, boolean b) {
+
+            }
+
+            @Override
+            public void onTransformation(TypeDescription typeDescription, ClassLoader classLoader, JavaModule javaModule, boolean b, DynamicType dynamicType) {
+
+            }
+
+            @Override
+            public void onIgnored(TypeDescription typeDescription, ClassLoader classLoader, JavaModule javaModule, boolean b) {
+
+            }
+
+            @Override
+            public void onError(String s, ClassLoader classLoader, JavaModule javaModule, boolean b, Throwable throwable) {
+
+            }
+
+            @Override
+            public void onComplete(String s, ClassLoader classLoader, JavaModule javaModule, boolean b) {
+
+            }
+        };
+
+        new AgentBuilder.Default().type(ElementMatchers.nameStartsWith("com.matrix.pure")).transform(transformer).with(listener).installOn(instrumentation);
+    }
 }

spring-boot-agent/src/main/java/com/qianglu/agent/config/TimeInterceptor.java

+package com.qianglu.agent.config;
+
+import net.bytebuddy.implementation.bind.annotation.Origin;
+import net.bytebuddy.implementation.bind.annotation.RuntimeType;
+import net.bytebuddy.implementation.bind.annotation.SuperCall;
+
+import java.lang.reflect.Method;
+import java.util.concurrent.Callable;
+
+/**
+ * @author QIANGLU on 2019-09-02
+ */
+public class TimeInterceptor {
+
+    @RuntimeType
+    public static Object intercept(@Origin Method method,
+                                   @SuperCall Callable<?> callable) throws Exception {
+        long start = System.currentTimeMillis();
+        try {
+            // 原有函数执行
+            return callable.call();
+        } finally {
+            System.out.println(method + ": took " + (System.currentTimeMillis() - start) + "ms");
+        }
+
+    }
+}
\ No newline at end of file

spring-boot-pure/src/main/java/com/matrix/pure/PureStartup.java

@@ -7,10 +7,13 @@ import org.springframework.boot.autoconfigure.SpringBootApplication;
 /**
  * @author qianglu
  */
-@SpringBootApplication
+//@SpringBootApplication
 public class PureStartup {
 
 	public static void main(String[] args) {
-		SpringApplication.run(PureStartup.class, args);
+
+//
+//		SpringApplication.run(PureStartup.class, args);
+
 	}
 }

spring-boot-pure/src/main/java/com/matrix/pure/Test.java

+package com.matrix.pure;
+
+/**
+ * @author QIANGLU on 2019-09-02
+ */
+public class Test {
+
+
+    private void fun1() throws Exception {
+        System.out.println("this is fun 1.");
+        Thread.sleep(500);
+    }
+
+    private void fun2() throws Exception {
+        System.out.println("this is fun 2.");
+        Thread.sleep(500);
+    }
+
+
+    public static void main(String[] args) throws Exception {
+        Test test = new Test();
+        test.fun1();
+        test.fun2();
+    }
+}
\ No newline at end of file