common/scala/src/main/scala/whisk/common/TimingUtil.scala

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package whisk.common

import java.lang.System
import scala.concurrent.duration._

/**
 * Utility methods related to timing code blocks.
 *
 */
object TimingUtil {

  def time[T](blk: => T): (Duration, T) = {
    val start = System.currentTimeMillis
    val res = blk
    ((System.currentTimeMillis - start).millis, res)
  }

}