/*================================================================================
Copyright (c) 2008 VMware, Inc. All Rights Reserved.
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are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright notice,
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to endorse or promote products derived from this software without specific prior
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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================================================================================*/
package com.vmware.vim25.mo.samples.perf;
import java.net.URL;
import com.vmware.vim25.PerfEntityMetric;
import com.vmware.vim25.PerfEntityMetricBase;
import com.vmware.vim25.PerfEntityMetricCSV;
import com.vmware.vim25.PerfMetricId;
import com.vmware.vim25.PerfMetricIntSeries;
import com.vmware.vim25.PerfMetricSeries;
import com.vmware.vim25.PerfMetricSeriesCSV;
import com.vmware.vim25.PerfProviderSummary;
import com.vmware.vim25.PerfQuerySpec;
import com.vmware.vim25.PerfSampleInfo;
import com.vmware.vim25.mo.InventoryNavigator;
import com.vmware.vim25.mo.ManagedEntity;
import com.vmware.vim25.mo.PerformanceManager;
import com.vmware.vim25.mo.ServiceInstance;
/**
* http://vijava.sf.net
* @author Steve Jin
*/
public class RealtimePerfMonitor
{
public static void main(String[] args) throws Exception
{
if(args.length != 4)
{
System.out.println("Usage: java RealtimePerfMonitor "
+ "<url> <username> <password> <vmname>");
return;
}
ServiceInstance si = new ServiceInstance(
new URL(args[0]), args[1], args[2], true);
String vmname = args[3];
ManagedEntity vm = new InventoryNavigator(
si.getRootFolder()).searchManagedEntity(
"VirtualMachine", vmname);
if(vm == null)
{
System.out.println("Virtual Machine " + vmname
+ " cannot be found.");
si.getServerConnection().logout();
return;
}
PerformanceManager perfMgr = si.getPerformanceManager();
// find out the refresh rate for the virtual machine
PerfProviderSummary pps = perfMgr.queryPerfProviderSummary(vm);
int refreshRate = pps.getRefreshRate().intValue();
// retrieve all the available perf metrics for vm
PerfMetricId[] pmis = perfMgr.queryAvailablePerfMetric(
vm, null, null, refreshRate);
PerfQuerySpec qSpec = createPerfQuerySpec(
vm, pmis, 3, refreshRate);
while(true)
{
PerfEntityMetricBase[] pValues = perfMgr.queryPerf(
new PerfQuerySpec[] {qSpec});
if(pValues != null)
{
displayValues(pValues);
}
System.out.println("Sleeping 60 seconds...");
Thread.sleep(refreshRate*3*1000);
}
}
static PerfQuerySpec createPerfQuerySpec(ManagedEntity me,
PerfMetricId[] metricIds, int maxSample, int interval)
{
PerfQuerySpec qSpec = new PerfQuerySpec();
qSpec.setEntity(me.getMOR());
// set the maximum of metrics to be return
// only appropriate in real-time performance collecting
qSpec.setMaxSample(new Integer(maxSample));
// qSpec.setMetricId(metricIds);
// optionally you can set format as "normal"
qSpec.setFormat("csv");
// set the interval to the refresh rate for the entity
qSpec.setIntervalId(new Integer(interval));
return qSpec;
}
static void displayValues(PerfEntityMetricBase[] values)
{
for(int i=0; i<values.length; ++i)
{
String entityDesc = values[i].getEntity().getType()
+ ":" + values[i].getEntity().get_value();
System.out.println("Entity:" + entityDesc);
if(values[i] instanceof PerfEntityMetric)
{
printPerfMetric((PerfEntityMetric)values[i]);
}
else if(values[i] instanceof PerfEntityMetricCSV)
{
printPerfMetricCSV((PerfEntityMetricCSV)values[i]);
}
else
{
System.out.println("UnExpected sub-type of " +
"PerfEntityMetricBase.");
}
}
}
static void printPerfMetric(PerfEntityMetric pem)
{
PerfMetricSeries[] vals = pem.getValue();
PerfSampleInfo[] infos = pem.getSampleInfo();
System.out.println("Sampling Times and Intervales:");
for(int i=0; infos!=null && i <infos.length; i++)
{
System.out.println("Sample time: "
+ infos[i].getTimestamp().getTime());
System.out.println("Sample interval (sec):"
+ infos[i].getInterval());
}
System.out.println("Sample values:");
for(int j=0; vals!=null && j<vals.length; ++j)
{
System.out.println("Perf counter ID:"
+ vals[j].getId().getCounterId());
System.out.println("Device instance ID:"
+ vals[j].getId().getInstance());
if(vals[j] instanceof PerfMetricIntSeries)
{
PerfMetricIntSeries val = (PerfMetricIntSeries) vals[j];
long[] longs = val.getValue();
for(int k=0; k<longs.length; k++)
{
System.out.print(longs[k] + " ");
}
System.out.println("Total:"+longs.length);
}
else if(vals[j] instanceof PerfMetricSeriesCSV)
{ // it is not likely coming here...
PerfMetricSeriesCSV val = (PerfMetricSeriesCSV) vals[j];
System.out.println("CSV value:" + val.getValue());
}
}
}
static void printPerfMetricCSV(PerfEntityMetricCSV pems)
{
System.out.println("SampleInfoCSV:"
+ pems.getSampleInfoCSV());
PerfMetricSeriesCSV[] csvs = pems.getValue();
for(int i=0; i<csvs.length; i++)
{
System.out.println("PerfCounterId:"
+ csvs[i].getId().getCounterId());
System.out.println("CSV sample values:"
+ csvs[i].getValue());
}
}
}