cvs commit: jakarta-jmeter/src/monitor/components/org/apache/jmeter/monitor/util MemoryBenchmark.java

[wo...@apache.org]

woolfel     2004/03/17 05:27:34

  Added:       src/monitor/components/org/apache/jmeter/monitor/util
                        MemoryBenchmark.java
  Log:
  A simple memory benchmark to measure how much memory the
  status objects consume. this gives a rough idea of how many servers
  the monitor can handle.
  
  peter lin
  
  Revision  Changes    Path
  1.1                  jakarta-jmeter/src/monitor/components/org/apache/jmeter/monitor/util/MemoryBenchmark.java
  
  Index: MemoryBenchmark.java
  ===================================================================
  // $Header: 
  /*
   * Copyright 2004 The Apache Software Foundation.
   *
   * Licensed 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.jmeter.monitor.util;
  
  import java.util.List;
  import java.util.LinkedList;
  import org.apache.jmeter.monitor.model.*;
  import org.apache.jmeter.visualizers.*;
  
  public class MemoryBenchmark
  {
  
      public static void main(String[] args)
      {
      	if (args.length != 1){
      		int objects = 10000;
  			if (args[0] != null){    		
  				objects = Integer.parseInt(args[0]);
  			}
  			List objs = new LinkedList();
  			ObjectFactory of = ObjectFactory.getInstance();
  			
  			long bfree = Runtime.getRuntime().freeMemory();
  			long btotal = Runtime.getRuntime().totalMemory();
  			long bmax = Runtime.getRuntime().maxMemory();
  			System.out.println("Before we create objects:");
  			System.out.println("------------------------------");
  			System.out.println("free: " + bfree);
  			System.out.println("total: " + btotal);
  			System.out.println("max: " + bmax);
  			
      		for (int idx=0; idx < objects; idx++){
  				Connector cnn = of.createConnector();
      			Workers wkrs = of.createWorkers();
      			for (int idz=0; idz < 26; idz++){
  					Worker wk0 = of.createWorker();
  					wk0.setCurrentQueryString("/manager/status");
  					wk0.setCurrentUri("http://localhost/manager/status");
  					wk0.setMethod("GET");
  					wk0.setProtocol("http");
  					wk0.setRemoteAddr("?");
  					wk0.setRequestBytesReceived(132);
  					wk0.setRequestBytesSent(18532);
  					wk0.setStage("K");
  					wk0.setVirtualHost("?");
  					wkrs.getWorker().add(wk0);
      			}
      			cnn.setWorkers(wkrs);
      			
      			RequestInfo rqinfo = of.createRequestInfo();
      			rqinfo.setBytesReceived(0);
      			rqinfo.setBytesSent(434374);
      			rqinfo.setErrorCount(10);
      			rqinfo.setMaxTime(850);
      			rqinfo.setProcessingTime(2634);
      			rqinfo.setRequestCount(1002);
      			cnn.setRequestInfo(rqinfo);
      			
      			ThreadInfo thinfo = of.createThreadInfo();
      			thinfo.setCurrentThreadCount(50);
      			thinfo.setCurrentThreadsBusy(12);
      			thinfo.setMaxSpareThreads(50);
      			thinfo.setMaxThreads(150);
      			thinfo.setMinSpareThreads(10);
      			cnn.setThreadInfo(thinfo);
      			
      			Jvm vm = of.createJvm();
      			Memory mem = of.createMemory();
      			mem.setFree(77280);
      			mem.setTotal(134210000);
      			mem.setMax(134217728);
      			vm.setMemory(mem);
  
      			Status st = of.createStatus();
      			st.setJvm(vm);
      			st.getConnector().add(cnn);
      			
      			MonitorStats mstats = new MonitorStats(
  					Stats.calculateStatus(st),
  					Stats.calculateLoad(st),
  					0,
  					Stats.calculateMemoryLoad(st),
  					Stats.calculateThreadLoad(st),
  					"localhost",
  					"8080",
  					"http",
  					System.currentTimeMillis());
  				MonitorModel monmodel = new MonitorModel(mstats);
  				objs.add(monmodel);
      		}
  			long afree = Runtime.getRuntime().freeMemory();
  			long atotal = Runtime.getRuntime().totalMemory();
  			long amax = Runtime.getRuntime().maxMemory();
  			long delta = ((atotal - afree) - (btotal - bfree)); 
  			System.out.println("After we create objects:");
  			System.out.println("------------------------------");
  			System.out.println("free: " + afree);
  			System.out.println("total: " + atotal);
  			System.out.println("max: " + amax);
  			System.out.println("------------------------------");
  			System.out.println("delta: "+ (delta/1024) + " kilobytes");
  			System.out.println("delta: "+ (delta/1024/1024) + " megabytes");
  			System.out.println("number of objects: " + objects);
  			System.out.println("potential number of servers: " +
  				(objects/1000));			
  
      	} else {
      		System.out.println("Please provide the number of objects");
      	}
      }
  }
  
  
  

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