btrace示例

TracingScript.java

import com.sun.btrace.annotations.*;
import static com.sun.btrace.BTraceUtils.*;

@BTrace
public class TracingScript {

    @OnMethod(
            clazz="java.net.Socket",
            method="setImpl",
            location=@Location(Kind.RETURN)
    )
    public static void traceSocket(@Self java.net.Socket socket) {
        println(timestamp("HH:mm:ss") + " traceSocket:" + get(field("java.net.Socket", "factory")));

    }

    @OnMethod(
            clazz="java.net.ServerSocket",
            method="setImpl",
            location=@Location(Kind.RETURN)
    )
    public static void traceServerSocket(@Self java.net.ServerSocket socket) {
        println(timestamp("HH:mm:ss") + " traceServerSocket:" + get(field("java.net.ServerSocket", "factory")));
    }

    @OnMethod(
            clazz="org.apache.thrift.transport.TSocket",
            method="initSocket",
            location=@Location(Kind.RETURN)
    )
    public static void traceTSocket(@Self Object obj) {
        println(timestamp("HH:mm:ss") + " traceTSocket:" + obj);
    }

    @OnMethod(
            clazz="com.meituan.service.mobile.mtthrift.client.pool.ThriftPoolableObjectFactory",
            method="makeObject",
            location=@Location(Kind.RETURN)
    )
    public static void traceThriftPoolableObjectFactory(@Self Object obj) {
        println(timestamp("HH:mm:ss") + " traceThriftPoolableObjectFactory:" + obj);
    }

    @OnMethod(
            clazz="com.meituan.service.mobile.mtthrift.client.pool.ThriftPoolableObjectFactory",
            method="destroyObject",
            location=@Location(Kind.RETURN)
    )
    public static void traceThriftPoolableObjectFactoryDestroyObject(Object tTransport, @Self Object obj) {
        println(timestamp("HH:mm:ss") + " traceThriftPoolableObjectFactoryDestroyObject:" + tTransport);
    }

    @OnMethod(
            clazz="sun.net.NetworkClient",
            method="createSocket",
            location=@Location(Kind.RETURN)
    )
    public static void traceNetworkClient(@Return Object obj) {
        println(timestamp("HH:mm:ss") + " traceNetworkClient:" + obj);
    }

    @OnMethod(
            clazz="sun.net.NetworkClient",
            method="doConnect",
            location=@Location(Kind.RETURN)
    )
    public static void traceNetworkClientDoConnect(String var1, int var2, @Return Object obj) {
        println(timestamp("HH:mm:ss") + " traceNetworkClientDoConnect:" + obj + " " + var1 + ":" + var2);
    }

    @OnMethod(
            clazz="sun.net.www.http.HttpClient",
            method="openServer",
            location=@Location(Kind.RETURN)
    )
    public static void traceNetworkClientOpenServer(String var1, int var2, @Self Object obj) {
        println(timestamp("HH:mm:ss") + " traceNetworkClientOpenServer:" + " " + var1 + ":" + var2 + ";" + obj);
    }

    @OnMethod(
            clazz="com.meituan.service.mobile.mtthrift.client.invoker.MTThriftMethodInterceptor",
            method="getConnection",
            location=@Location(Kind.RETURN)
    )
    public static void traceMTThriftMethodInterceptor(Object serverConn, Object clientProxy, String methodName, int timeout) {
        println(timestamp("HH:mm:ss") + " traceMTThriftMethodInterceptor:" + " " + serverConn + ";" + clientProxy + ";" + methodName + ";" + timeout);
    }

    @OnMethod(
            clazz="org.apache.commons.pool.impl.GenericObjectPool",
            method="addObject",
            location=@Location(Kind.RETURN)
    )
    public static void traceGenericObjectPool(@Self Object obj) {
        println(timestamp("HH:mm:ss") + " traceGenericObjectPool:" + " " + obj);
    }
}