| /* |
| * 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.hyracks.api.util; |
| |
| import java.io.FileOutputStream; |
| import java.io.IOException; |
| import java.util.HashMap; |
| import java.util.LinkedHashMap; |
| import java.util.Map; |
| |
| public class ExecutionTimeProfiler { |
| |
| public static final boolean PROFILE_MODE = false; |
| public static final String INIT = "init"; |
| private FileOutputStream fos; |
| private String filePath; |
| private StringBuilder sb; |
| private int printInterval; |
| private int addCount; |
| private Object lock1 = new Object(); |
| |
| |
| // [Key: Job, Value: [Key: Operator, Value: Duration of each operators]] |
| private HashMap<String, LinkedHashMap<String, String>> spentTimePerJobMap; |
| |
| public ExecutionTimeProfiler(String filePath, int printInterval) { |
| this.filePath = new String(filePath); |
| this.sb = new StringBuilder(); |
| this.printInterval = printInterval; |
| this.spentTimePerJobMap = new HashMap<String, LinkedHashMap<String, String>>(); |
| } |
| |
| public void begin() { |
| try { |
| fos = ExperimentProfilerUtils.openOutputFile(filePath); |
| addCount = 0; |
| } catch (IOException e) { |
| e.printStackTrace(); |
| throw new IllegalStateException(e); |
| } |
| } |
| |
| public synchronized void add(String jobSignature, String operatorSignature, String message, boolean flushNeeded) { |
| |
| if (!spentTimePerJobMap.containsKey(jobSignature)) { |
| spentTimePerJobMap.put(jobSignature, new LinkedHashMap<String, String>()); |
| } |
| spentTimePerJobMap.get(jobSignature).put(operatorSignature, message); |
| |
| if (flushNeeded) { |
| flush(jobSignature); |
| } |
| } |
| |
| public synchronized void flush(String jobSignature) { |
| try { |
| synchronized (lock1) { |
| sb.append("\n\n"); |
| for (Map.Entry<String, String> entry : spentTimePerJobMap.get(jobSignature).entrySet()) { |
| sb.append(entry.getValue()); |
| } |
| fos.write(sb.toString().getBytes()); |
| fos.flush(); |
| spentTimePerJobMap.get(jobSignature).clear(); |
| sb.setLength(0); |
| } |
| } catch (IOException e) { |
| e.printStackTrace(); |
| throw new IllegalStateException(e); |
| } |
| } |
| |
| public void clear() { |
| spentTimePerJobMap.clear(); |
| sb.setLength(0); |
| } |
| |
| public void clear(String jobSignature) { |
| spentTimePerJobMap.get(jobSignature).clear(); |
| sb.setLength(0); |
| } |
| |
| public synchronized void end() { |
| try { |
| if (fos != null) { |
| fos.flush(); |
| fos.close(); |
| fos = null; |
| } |
| } catch (IOException e) { |
| e.printStackTrace(); |
| throw new IllegalStateException(e); |
| } |
| } |
| } |