网上找了一段利用aop计算耗时日志的

import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.annotation.Around;
import org.aspectj.lang.annotation.Aspect;
import org.springframework.stereotype.Component;

import com.alibaba.common.lang.diagnostic.Profiler;

@Aspect
@Component
public class ProfilerAspectJ {

private static final String DOT_SPLIT = ".";

//执行时间超过3s 的，输出出来
private static final String THREADHOLD = "THREADHOLD";

private static final long DEFAULTTHREADHOLD = 3000L;

@Around("within(com.aliyun.activity.biz.*.impl..*)")
public Object around(ProceedingJoinPoint jp) throws java.lang.Throwable {

String className = jp.getTarget().getClass().getName();
String method = jp.getSignature().getName();
final String key = className + DOT_SPLIT + method;
System.out.println("className: "+className);
try {
// 开始 Profiler
Profiler.start(key);
Profiler.enter(key);
// 调用被代理类的方法
return jp.proceed();

} finally {
Profiler.release();
// 释放 start 的栈
Profiler.release();
try {
long threadHold = DEFAULTTHREADHOLD;
final long duration = Profiler.getDuration();

if (duration > threadHold) {
final String detail = Profiler.dump("Detail: ", "           ");

StringBuffer msg = new StringBuffer();
msg.append("调用服务：").append(className).append("的方法").append(method);

if (null != jp.getArgs()) {
msg.append(" 参数列表 [");

for (int i = 0; i < jp.getArgs().length; i++) {
Object obj = jp.getArgs()[i];
msg.append(obj);
if (i < jp.getArgs().length - 1) {
msg.append(",");
}
}
msg.append("]");
}

msg.append("耗时：").append(duration).append("ms，超过预期\n").append(detail).append("\n");

}

} finally {
Profiler.reset();
}

}

}

}