BenchmarkSupport xref

    1   /***
    2    *
    3    * Copyright 2004 Protique Ltd
    4    *
    5    * Licensed under the Apache License, Version 2.0 (the "License");
    6    * you may not use this file except in compliance with the License.
    7    * You may obtain a copy of the License at
    8    *
    9    * http://www.apache.org/licenses/LICENSE-2.0
    10   *
    11   * Unless required by applicable law or agreed to in writing, software
    12   * distributed under the License is distributed on an "AS IS" BASIS,
    13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    14   * See the License for the specific language governing permissions and
    15   * limitations under the License.
    16   *
    17   **/
    18  package org.codehaus.activemq.benchmark;
    19
    20  import EDU.oswego.cs.dl.util.concurrent.SynchronizedInt;
    21  import org.codehaus.activemq.ActiveMQConnectionFactory;
    22  import org.codehaus.activemq.util.IdGenerator;
    23
    24  import javax.jms.Connection;
    25  import javax.jms.Destination;
    26  import javax.jms.JMSException;
    27  import javax.jms.Session;
    28  import java.text.NumberFormat;
    29  import java.util.ArrayList;
    30  import java.util.List;
    31
    32  /***
    33   * Abstract base class for some simple benchmark tools
    34   *
    35   * @author James Strachan
    36   * @version $Revision: 1.16 $
    37   */
    38  public class BenchmarkSupport {
    39
    40      protected int connectionCount = 1;
    41      protected int batch = 1000;
    42      protected Destination destination;
    43      protected boolean embeddedBroker = false;
    44      private boolean topic = true;
    45      private boolean durable = false;
    46
    47      private ActiveMQConnectionFactory factory;
    48      private String url;
    49      protected String[] subjects;
    50      private long time = System.currentTimeMillis();
    51      private int counter;
    52      private List resources = new ArrayList();
    53      private NumberFormat formatter = NumberFormat.getInstance();
    54      private SynchronizedInt connectionCounter = new SynchronizedInt(0);
    55      private IdGenerator idGenerator = new IdGenerator();
    56
    57      public BenchmarkSupport() {
    58      }
    59
    60      public void start() {
    61          System.out.println("Using: " + connectionCount + " connection(s)");
    62          subjects = new String[connectionCount];
    63          for (int i = 0; i < connectionCount; i++) {
    64              subjects[i] = "BENCHMARK.FEED" + i;
    65          }
    66          if (useTimerLoop()) {
    67              Thread timer = new Thread() {
    68                  public void run() {
    69                      timerLoop();
    70                  }
    71              };
    72              timer.start();
    73          }
    74      }
    75
    76      public String getUrl() {
    77          return url;
    78      }
    79
    80      public void setUrl(String url) {
    81          this.url = url;
    82      }
    83
    84      public boolean isTopic() {
    85          return topic;
    86      }
    87
    88      public void setTopic(boolean topic) {
    89          this.topic = topic;
    90      }
    91
    92      public ActiveMQConnectionFactory getFactory() {
    93          return factory;
    94      }
    95
    96      public void setFactory(ActiveMQConnectionFactory factory) {
    97          this.factory = factory;
    98      }
    99
    100     public void setSubject(String subject) {
    101         connectionCount = 1;
    102         subjects = new String[]{subject};
    103     }
    104
    105     public boolean isDurable() {
    106         return durable;
    107     }
    108
    109     public void setDurable(boolean durable) {
    110         this.durable = durable;
    111     }
    112
    113     public boolean isEmbeddedBroker() {
    114         return embeddedBroker;
    115     }
    116
    117     public void setEmbeddedBroker(boolean embeddedBroker) {
    118         this.embeddedBroker = embeddedBroker;
    119     }
    120
    121     public int getConnectionCount() {
    122         return connectionCount;
    123     }
    124
    125     public void setConnectionCount(int connectionCount) {
    126         this.connectionCount = connectionCount;
    127     }
    128
    129     protected Session createSession() throws JMSException {
    130         if (factory == null) {
    131             factory = createFactory();
    132         }
    133         Connection connection = factory.createConnection();
    134         int value = connectionCounter.increment();
    135         System.out.println("Created connection: " + value + " = " + connection);
    136         if (durable) {
    137             connection.setClientID(idGenerator.generateId());
    138         }
    139         addResource(connection);
    140         connection.start();
    141
    142         Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
    143         addResource(session);
    144         return session;
    145     }
    146
    147     protected ActiveMQConnectionFactory createFactory() {
    148         ActiveMQConnectionFactory answer = new ActiveMQConnectionFactory(getUrl());
    149         if (embeddedBroker) {
    150             answer.setUseEmbeddedBroker(true);
    151         }
    152         return answer;
    153     }
    154
    155     protected synchronized void count(int count) {
    156         counter += count;
    157         /*
    158         if (counter > batch) {
    159             counter = 0;
    160             long current = System.currentTimeMillis();
    161             double end = current - time;
    162             end /= 1000;
    163             time = current;
    164
    165             System.out.println("Processed " + batch + " messages in " + end + " (secs)");
    166         }
    167         */
    168     }
    169
    170     protected synchronized int resetCount() {
    171         int answer = counter;
    172         counter = 0;
    173         return answer;
    174     }
    175
    176
    177     protected void timerLoop() {
    178         int times = 0;
    179         int total = 0;
    180         int dumpVmStatsFrequency = 10;
    181         Runtime runtime = Runtime.getRuntime();
    182
    183         while (true) {
    184             try {
    185                 Thread.sleep(1000);
    186             }
    187             catch (InterruptedException e) {
    188                 e.printStackTrace();
    189             }
    190             int processed = resetCount();
    191             double average = 0;
    192             if (processed > 0) {
    193                 total += processed;
    194                 times++;
    195             }
    196             if (times > 0) {
    197                 average = total / times;
    198             }
    199
    200             long oldtime = time;
    201             time = System.currentTimeMillis();
    202
    203             double diff = time - oldtime;
    204
    205             System.out.println(getClass().getName() + " Processed: " + processed + " messages this second. Average: " + average);
    206
    207             if ((times % dumpVmStatsFrequency) == 0 && times != 0) {
    208                 System.out.println("Used memory: " + asMemoryString(runtime.totalMemory() - runtime.freeMemory())
    209                         + " Free memory: " + asMemoryString(runtime.freeMemory())
    210                         + " Total memory: " + asMemoryString(runtime.totalMemory())
    211                         + " Max memory: " + asMemoryString(runtime.maxMemory()));
    212             }
    213
    214         }
    215     }
    216
    217     protected String asMemoryString(long value) {
    218         return formatter.format(value / 1024) + " K";
    219     }
    220
    221     protected boolean useTimerLoop() {
    222         return true;
    223     }
    224
    225     protected Destination createDestination(Session session, String subject) throws JMSException {
    226         if (topic) {
    227             return session.createTopic(subject);
    228         }
    229         else {
    230             return session.createQueue(subject);
    231         }
    232     }
    233
    234     protected void addResource(Object resource) {
    235         resources.add(resource);
    236     }
    237
    238     protected static boolean parseBoolean(String text) {
    239         return text.equalsIgnoreCase("true");
    240     }
    241 }