| /* |
| * 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 org.apache.lucene.benchmark.byTask.stats; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| import org.apache.lucene.benchmark.byTask.tasks.PerfTask; |
| import org.apache.lucene.benchmark.byTask.utils.Config; |
| |
| /** Test run data points collected as the test proceeds. */ |
| public class Points { |
| |
| // stat points ordered by their start time. |
| // for now we collect points as TaskStats objects. |
| // later might optimize to collect only native data. |
| private ArrayList<TaskStats> points = new ArrayList<>(); |
| |
| private int nextTaskRunNum = 0; |
| |
| private TaskStats currentStats; |
| |
| /** Create a Points statistics object. */ |
| public Points(Config config) {} |
| |
| /** |
| * Return the current task stats. the actual task stats are returned, so caller should not modify |
| * this task stats. |
| * |
| * @return current {@link TaskStats}. |
| */ |
| public List<TaskStats> taskStats() { |
| return points; |
| } |
| |
| /** |
| * Mark that a task is starting. Create a task stats for it and store it as a point. |
| * |
| * @param task the starting task. |
| * @return the new task stats created for the starting task. |
| */ |
| public synchronized TaskStats markTaskStart(PerfTask task, int round) { |
| TaskStats stats = new TaskStats(task, nextTaskRunNum(), round); |
| this.currentStats = stats; |
| points.add(stats); |
| return stats; |
| } |
| |
| public TaskStats getCurrentStats() { |
| return currentStats; |
| } |
| |
| // return next task num |
| private synchronized int nextTaskRunNum() { |
| return nextTaskRunNum++; |
| } |
| |
| /** mark the end of a task */ |
| public synchronized void markTaskEnd(TaskStats stats, int count) { |
| int numParallelTasks = nextTaskRunNum - 1 - stats.getTaskRunNum(); |
| // note: if the stats were cleared, might be that this stats object is |
| // no longer in points, but this is just ok. |
| stats.markEnd(numParallelTasks, count); |
| } |
| |
| /** Clear all data, prepare for more tests. */ |
| public void clearData() { |
| points.clear(); |
| } |
| } |