/**
* Generates a human-readable name for a performance counter.
*
* @param perfCounterInfo the perfomance counter info object
* @return a string-representation of the performance counter's name
*/
private String getHumanReadableName(PerfCounterInfo perfCounterInfo) {
return perfCounterInfo.getGroupInfo().getKey()
+ "."
+ perfCounterInfo.getNameInfo().getKey()
+ "."
+ perfCounterInfo.getRollupType().toString();
}
private static PerfCounterInfo getCounterInfo(
List<PerfCounterInfo> counterInfo, String groupName, String counterName) {
for (PerfCounterInfo info : counterInfo) {
if (info.getGroupInfo().getKey().equals(groupName)
&& info.getNameInfo().getKey().equals(counterName)) {
return info;
}
}
return null;
}
/**
* This method retrieves the performance counters available.
*
* @return a map of performance counters
*/
public Map<Integer, PerfCounterInfo> getPerfCounterInfoMap() {
if (m_perfCounterInfoMap == null) {
m_perfCounterInfoMap = new HashMap<Integer, PerfCounterInfo>();
PerfCounterInfo[] perfCounterInfos = getPerformanceManager().getPerfCounter();
for (PerfCounterInfo perfCounterInfo : perfCounterInfos) {
m_perfCounterInfoMap.put(perfCounterInfo.getKey(), perfCounterInfo);
}
}
return m_perfCounterInfoMap;
}
/** @throws Exception */
private static void displayStats() throws Exception {
String[][] statsList = getCounters();
ManagedObjectReference hostmor = getHostByHostName(hostname);
if (hostmor == null) {
System.out.println("Host Not Found");
return;
}
Object property;
ArrayList props = (ArrayList) getDynamicProperty(perfManager, "perfCounter");
if (props != null && props.size() > 0) {
property = props.get(0);
} else {
property = null;
}
// ArrayOfPerfCounterInfo arrayCounter = (ArrayOfPerfCounterInfo) property;
ArrayList counterInfoList = new ArrayList();
counterInfoList.add(property);
List<PerfMetricId> midVector = new ArrayList<PerfMetricId>();
List<String> statNames = new ArrayList<String>();
for (int i = 0; i < statsList.length; i++) {
PerfCounterInfo counterInfo =
getCounterInfo(counterInfoList, statsList[i][0], statsList[i][1]);
if (counterInfo == null) {
System.out.println(
"Warning: Unable to find stat " + statsList[i][0] + " " + statsList[i][1]);
continue;
}
String counterName = counterInfo.getNameInfo().getLabel();
statNames.add(counterName);
PerfMetricId pmid = new PerfMetricId();
pmid.setCounterId(counterInfo.getKey());
pmid.setInstance("");
midVector.add(pmid);
}
List<PerfMetricId> midList = new ArrayList<PerfMetricId>(midVector);
Collections.copy(midList, midVector);
PerfQuerySpec spec = new PerfQuerySpec();
spec.setEntity(hostmor);
GregorianCalendar startTime = new GregorianCalendar();
startTime.add(Calendar.SECOND, -60);
XMLGregorianCalendar starttimexmlgc =
DatatypeFactory.newInstance().newXMLGregorianCalendar(startTime);
// spec.setStartTime(starttimexmlgc);
spec.getMetricId().addAll(midList);
spec.setIntervalId(new Integer(20));
querySpec = spec;
final List<String> statNames2 = statNames;
javax.swing.SwingUtilities.invokeLater(
new Runnable() {
public void run() {
createAndShowGUI("VM Name", statNames2);
}
});
Timer timer = new Timer(true);
timer.schedule(
new TimerTask() {
public void run() {
refreshStats();
}
},
1000,
21000);
}
