BTrace, MethodTracer

MethodTracer.java

import com.sun.btrace.AnyType;
import com.sun.btrace.annotations.Kind;
import com.sun.btrace.annotations.Location;
import com.sun.btrace.annotations.OnMethod;
import com.sun.btrace.annotations.ProbeMethodName;

import static com.sun.btrace.BTraceUtils.print;
import static com.sun.btrace.BTraceUtils.printArray;

/*

		<dependency>
			<groupId>com.sun.tools.btrace</groupId>
			<artifactId>btrace-boot</artifactId>
			<version>1.2.3</version>
		</dependency>
*/
/**
 * @author ding.lid
 */
public class MethodTracer {
    @OnMethod(
            clazz = "com.xx.Foo",
            method = "/put|decr|delete|cas/",
            location = @Location(Kind.ENTRY)
    )
    public static void anyWrite(@ProbeMethodName String pmn, AnyType[] args) {
            print(pmn);
            print(" - ");
            printArray(args);
    }
}