Java Code Examples for java.lang.management.ThreadMXBean#getThreadCpuTime()
The following examples show how to use
java.lang.management.ThreadMXBean#getThreadCpuTime() .
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Example 1
| Source File: JvmThreadInstanceEntryImpl.java From jdk8u60 with GNU General Public License v2.0 | 6 votes |
|
/**
* Getter for the "JvmThreadInstCpuTimeNs" variable.
*/
public Long getJvmThreadInstCpuTimeNs() throws SnmpStatusException {
long l = 0;
final ThreadMXBean tmb = JvmThreadingImpl.getThreadMXBean();
try {
if (tmb.isThreadCpuTimeSupported()) {
l = tmb.getThreadCpuTime(info.getThreadId());
log.debug("getJvmThreadInstCpuTimeNs", "Cpu time ns : " + l);
//Cpu time measurement is disabled or the id is not valid.
if(l == -1) l = 0;
}
} catch (UnsatisfiedLinkError e) {
// XXX Revisit: catch TO BE EVENTUALLY REMOVED
log.debug("getJvmThreadInstCpuTimeNs",
"Operation not supported: " + e);
}
return new Long(l);
}
Example 2
| Source File: JvmThreadInstanceEntryImpl.java From jdk8u-jdk with GNU General Public License v2.0 | 6 votes |
|
/**
* Getter for the "JvmThreadInstCpuTimeNs" variable.
*/
public Long getJvmThreadInstCpuTimeNs() throws SnmpStatusException {
long l = 0;
final ThreadMXBean tmb = JvmThreadingImpl.getThreadMXBean();
try {
if (tmb.isThreadCpuTimeSupported()) {
l = tmb.getThreadCpuTime(info.getThreadId());
log.debug("getJvmThreadInstCpuTimeNs", "Cpu time ns : " + l);
//Cpu time measurement is disabled or the id is not valid.
if(l == -1) l = 0;
}
} catch (UnsatisfiedLinkError e) {
// XXX Revisit: catch TO BE EVENTUALLY REMOVED
log.debug("getJvmThreadInstCpuTimeNs",
"Operation not supported: " + e);
}
return new Long(l);
}
Example 3
| Source File: JvmThreadInstanceEntryImpl.java From jdk8u-dev-jdk with GNU General Public License v2.0 | 6 votes |
|
/**
* Getter for the "JvmThreadInstCpuTimeNs" variable.
*/
public Long getJvmThreadInstCpuTimeNs() throws SnmpStatusException {
long l = 0;
final ThreadMXBean tmb = JvmThreadingImpl.getThreadMXBean();
try {
if (tmb.isThreadCpuTimeSupported()) {
l = tmb.getThreadCpuTime(info.getThreadId());
log.debug("getJvmThreadInstCpuTimeNs", "Cpu time ns : " + l);
//Cpu time measurement is disabled or the id is not valid.
if(l == -1) l = 0;
}
} catch (UnsatisfiedLinkError e) {
// XXX Revisit: catch TO BE EVENTUALLY REMOVED
log.debug("getJvmThreadInstCpuTimeNs",
"Operation not supported: " + e);
}
return new Long(l);
}
Example 4
| Source File: ThreadingManager.java From vi with Apache License 2.0 | 6 votes |
|
public static List<TInfo> getAllThreadInfo(){
List<TInfo> threads = new ArrayList<>();
ThreadMXBean threadBean = ManagementFactory.getThreadMXBean();
long[] ids = threadBean.getAllThreadIds();
ThreadInfo[] infos = threadBean.getThreadInfo(ids);
for (ThreadInfo info : infos){
long id = info.getThreadId();
TInfo tInfo = new TInfo();
tInfo.name = info.getThreadName();
tInfo.id = id;
tInfo.state = info.getThreadState();
tInfo.cpuTime = threadBean.getThreadCpuTime(id);
threads.add(tInfo);
}
Collections.sort(threads,new Comparator<TInfo>() {
@Override
public int compare(TInfo o1, TInfo o2) {
return Long.compare(o2.cpuTime,o1.cpuTime);
}
});
return threads;
}
Example 5
| Source File: Timing.java From kanzi with Apache License 2.0 | 6 votes |
|
public long getCpuTime(long[] ids)
{
ThreadMXBean bean = ManagementFactory.getThreadMXBean();
if (bean.isThreadCpuTimeSupported() == false)
return 0L;
long time = 0L;
for (int i=0; i<ids.length; i++)
{
long t = bean.getThreadCpuTime(ids[i]);
if (t != -1)
time += t;
}
return time;
}
Example 6
| Source File: JvmThreadInstanceEntryImpl.java From TencentKona-8 with GNU General Public License v2.0 | 6 votes |
|
/**
* Getter for the "JvmThreadInstCpuTimeNs" variable.
*/
public Long getJvmThreadInstCpuTimeNs() throws SnmpStatusException {
long l = 0;
final ThreadMXBean tmb = JvmThreadingImpl.getThreadMXBean();
try {
if (tmb.isThreadCpuTimeSupported()) {
l = tmb.getThreadCpuTime(info.getThreadId());
log.debug("getJvmThreadInstCpuTimeNs", "Cpu time ns : " + l);
//Cpu time measurement is disabled or the id is not valid.
if(l == -1) l = 0;
}
} catch (UnsatisfiedLinkError e) {
// XXX Revisit: catch TO BE EVENTUALLY REMOVED
log.debug("getJvmThreadInstCpuTimeNs",
"Operation not supported: " + e);
}
return new Long(l);
}
Example 7
| Source File: JvmThreadInstanceEntryImpl.java From jdk8u-jdk with GNU General Public License v2.0 | 6 votes |
|
/**
* Getter for the "JvmThreadInstCpuTimeNs" variable.
*/
public Long getJvmThreadInstCpuTimeNs() throws SnmpStatusException {
long l = 0;
final ThreadMXBean tmb = JvmThreadingImpl.getThreadMXBean();
try {
if (tmb.isThreadCpuTimeSupported()) {
l = tmb.getThreadCpuTime(info.getThreadId());
log.debug("getJvmThreadInstCpuTimeNs", "Cpu time ns : " + l);
//Cpu time measurement is disabled or the id is not valid.
if(l == -1) l = 0;
}
} catch (UnsatisfiedLinkError e) {
// XXX Revisit: catch TO BE EVENTUALLY REMOVED
log.debug("getJvmThreadInstCpuTimeNs",
"Operation not supported: " + e);
}
return new Long(l);
}
Example 8
| Source File: JvmThreadInstanceEntryImpl.java From hottub with GNU General Public License v2.0 | 6 votes |
|
/**
* Getter for the "JvmThreadInstCpuTimeNs" variable.
*/
public Long getJvmThreadInstCpuTimeNs() throws SnmpStatusException {
long l = 0;
final ThreadMXBean tmb = JvmThreadingImpl.getThreadMXBean();
try {
if (tmb.isThreadCpuTimeSupported()) {
l = tmb.getThreadCpuTime(info.getThreadId());
log.debug("getJvmThreadInstCpuTimeNs", "Cpu time ns : " + l);
//Cpu time measurement is disabled or the id is not valid.
if(l == -1) l = 0;
}
} catch (UnsatisfiedLinkError e) {
// XXX Revisit: catch TO BE EVENTUALLY REMOVED
log.debug("getJvmThreadInstCpuTimeNs",
"Operation not supported: " + e);
}
return new Long(l);
}
Example 9
| Source File: GetStatusServlet.java From pentaho-kettle with Apache License 2.0 | 6 votes |
|
private static void getSystemInfo( SlaveServerStatus serverStatus ) {
OperatingSystemMXBean operatingSystemMXBean =
java.lang.management.ManagementFactory.getOperatingSystemMXBean();
ThreadMXBean threadMXBean = java.lang.management.ManagementFactory.getThreadMXBean();
RuntimeMXBean runtimeMXBean = java.lang.management.ManagementFactory.getRuntimeMXBean();
int cores = Runtime.getRuntime().availableProcessors();
long freeMemory = Runtime.getRuntime().freeMemory();
long totalMemory = Runtime.getRuntime().totalMemory();
String osArch = operatingSystemMXBean.getArch();
String osName = operatingSystemMXBean.getName();
String osVersion = operatingSystemMXBean.getVersion();
double loadAvg = operatingSystemMXBean.getSystemLoadAverage();
int threadCount = threadMXBean.getThreadCount();
long allThreadsCpuTime = 0L;
long[] threadIds = threadMXBean.getAllThreadIds();
for ( int i = 0; i < threadIds.length; i++ ) {
allThreadsCpuTime += threadMXBean.getThreadCpuTime( threadIds[ i ] );
}
long uptime = runtimeMXBean.getUptime();
serverStatus.setCpuCores( cores );
serverStatus.setCpuProcessTime( allThreadsCpuTime );
serverStatus.setUptime( uptime );
serverStatus.setThreadCount( threadCount );
serverStatus.setLoadAvg( loadAvg );
serverStatus.setOsName( osName );
serverStatus.setOsVersion( osVersion );
serverStatus.setOsArchitecture( osArch );
serverStatus.setMemoryFree( freeMemory );
serverStatus.setMemoryTotal( totalMemory );
}
Example 10
| Source File: InvalidThreadID.java From dragonwell8_jdk with GNU General Public License v2.0 | 5 votes |
|
public static void main(String argv[]) {
ThreadMXBean mbean = ManagementFactory.getThreadMXBean();
int cnt = 0;
long [] idArr = {0, -1, -2, (Long.MIN_VALUE + 1), Long.MIN_VALUE};
if (mbean.isThreadCpuTimeSupported()) {
for (int i = 0; i < idArr.length; i++) {
try {
mbean.getThreadCpuTime(idArr[i]);
System.out.println("Test failed. IllegalArgumentException" +
" expected for ID = " + idArr[i]);
} catch (IllegalArgumentException iae) {
cnt++;
}
}
if (cnt != idArr.length) {
throw new RuntimeException("Unexpected number of " +
"IllegalArgumentException = " + cnt +
" expected = " + idArr.length);
}
// CPU time for a non-existence thread
long time = mbean.getThreadCpuTime(999999);
if (time < 0 && time != -1) {
throw new RuntimeException("Cpu time for thread 999999" +
" is invalid = " + time + " expected to be -1.");
}
}
System.out.println("Test passed.");
}
Example 11
| Source File: InvalidThreadID.java From TencentKona-8 with GNU General Public License v2.0 | 5 votes |
|
public static void main(String argv[]) {
ThreadMXBean mbean = ManagementFactory.getThreadMXBean();
int cnt = 0;
long [] idArr = {0, -1, -2, (Long.MIN_VALUE + 1), Long.MIN_VALUE};
if (mbean.isThreadCpuTimeSupported()) {
for (int i = 0; i < idArr.length; i++) {
try {
mbean.getThreadCpuTime(idArr[i]);
System.out.println("Test failed. IllegalArgumentException" +
" expected for ID = " + idArr[i]);
} catch (IllegalArgumentException iae) {
cnt++;
}
}
if (cnt != idArr.length) {
throw new RuntimeException("Unexpected number of " +
"IllegalArgumentException = " + cnt +
" expected = " + idArr.length);
}
// CPU time for a non-existence thread
long time = mbean.getThreadCpuTime(999999);
if (time < 0 && time != -1) {
throw new RuntimeException("Cpu time for thread 999999" +
" is invalid = " + time + " expected to be -1.");
}
}
System.out.println("Test passed.");
}
Example 12
| Source File: InvalidThreadID.java From jdk8u-jdk with GNU General Public License v2.0 | 5 votes |
|
public static void main(String argv[]) {
ThreadMXBean mbean = ManagementFactory.getThreadMXBean();
int cnt = 0;
long [] idArr = {0, -1, -2, (Long.MIN_VALUE + 1), Long.MIN_VALUE};
if (mbean.isThreadCpuTimeSupported()) {
for (int i = 0; i < idArr.length; i++) {
try {
mbean.getThreadCpuTime(idArr[i]);
System.out.println("Test failed. IllegalArgumentException" +
" expected for ID = " + idArr[i]);
} catch (IllegalArgumentException iae) {
cnt++;
}
}
if (cnt != idArr.length) {
throw new RuntimeException("Unexpected number of " +
"IllegalArgumentException = " + cnt +
" expected = " + idArr.length);
}
// CPU time for a non-existence thread
long time = mbean.getThreadCpuTime(999999);
if (time < 0 && time != -1) {
throw new RuntimeException("Cpu time for thread 999999" +
" is invalid = " + time + " expected to be -1.");
}
}
System.out.println("Test passed.");
}
Example 13
| Source File: ThreadInfoTask.java From bistoury with GNU General Public License v3.0 | 5 votes |
|
private ThreadInfo getThreadInfo(VirtualMachineUtil.VMConnector connect, Map<String, Object> result) {
try {
ThreadMXBean threadMXBean = connect.getThreadMXBean();
long threadCpuTime = threadMXBean.getThreadCpuTime(threadId);
result.put("cpuTime", threadCpuTime);
return threadMXBean.getThreadInfo(threadId, maxDepth);
} catch (IOException e) {
logger.error("get thread info error", e);
return null;
}
}
Example 14
| Source File: InvalidThreadID.java From jdk8u-jdk with GNU General Public License v2.0 | 5 votes |
|
public static void main(String argv[]) {
ThreadMXBean mbean = ManagementFactory.getThreadMXBean();
int cnt = 0;
long [] idArr = {0, -1, -2, (Long.MIN_VALUE + 1), Long.MIN_VALUE};
if (mbean.isThreadCpuTimeSupported()) {
for (int i = 0; i < idArr.length; i++) {
try {
mbean.getThreadCpuTime(idArr[i]);
System.out.println("Test failed. IllegalArgumentException" +
" expected for ID = " + idArr[i]);
} catch (IllegalArgumentException iae) {
cnt++;
}
}
if (cnt != idArr.length) {
throw new RuntimeException("Unexpected number of " +
"IllegalArgumentException = " + cnt +
" expected = " + idArr.length);
}
// CPU time for a non-existence thread
long time = mbean.getThreadCpuTime(999999);
if (time < 0 && time != -1) {
throw new RuntimeException("Cpu time for thread 999999" +
" is invalid = " + time + " expected to be -1.");
}
}
System.out.println("Test passed.");
}
Example 15
| Source File: ServerStatus.java From pentaho-kettle with Apache License 2.0 | 5 votes |
|
public ServerStatus() {
OperatingSystemMXBean operatingSystemMXBean =
java.lang.management.ManagementFactory.getOperatingSystemMXBean();
ThreadMXBean threadMXBean = java.lang.management.ManagementFactory.getThreadMXBean();
RuntimeMXBean runtimeMXBean = java.lang.management.ManagementFactory.getRuntimeMXBean();
int cores = Runtime.getRuntime().availableProcessors();
long freeMemory = Runtime.getRuntime().freeMemory();
long totalMemory = Runtime.getRuntime().totalMemory();
String osArch = operatingSystemMXBean.getArch();
String osName = operatingSystemMXBean.getName();
String osVersion = operatingSystemMXBean.getVersion();
double loadAvg = operatingSystemMXBean.getSystemLoadAverage();
int threadCount = threadMXBean.getThreadCount();
long allThreadsCpuTime = 0L;
long[] threadIds = threadMXBean.getAllThreadIds();
for ( int i = 0; i < threadIds.length; i++ ) {
allThreadsCpuTime += threadMXBean.getThreadCpuTime( threadIds[i] );
}
long uptime = runtimeMXBean.getUptime();
setCpuCores( cores );
setCpuProcessTime( allThreadsCpuTime );
setUptime( uptime );
setThreadCount( threadCount );
setLoadAvg( loadAvg );
setOsName( osName );
setOsVersion( osVersion );
setOsArchitecture( osArch );
setMemoryFree( freeMemory );
setMemoryTotal( totalMemory );
}
Example 16
| Source File: InvalidThreadID.java From openjdk-jdk8u-backup with GNU General Public License v2.0 | 5 votes |
|
public static void main(String argv[]) {
ThreadMXBean mbean = ManagementFactory.getThreadMXBean();
int cnt = 0;
long [] idArr = {0, -1, -2, (Long.MIN_VALUE + 1), Long.MIN_VALUE};
if (mbean.isThreadCpuTimeSupported()) {
for (int i = 0; i < idArr.length; i++) {
try {
mbean.getThreadCpuTime(idArr[i]);
System.out.println("Test failed. IllegalArgumentException" +
" expected for ID = " + idArr[i]);
} catch (IllegalArgumentException iae) {
cnt++;
}
}
if (cnt != idArr.length) {
throw new RuntimeException("Unexpected number of " +
"IllegalArgumentException = " + cnt +
" expected = " + idArr.length);
}
// CPU time for a non-existence thread
long time = mbean.getThreadCpuTime(999999);
if (time < 0 && time != -1) {
throw new RuntimeException("Cpu time for thread 999999" +
" is invalid = " + time + " expected to be -1.");
}
}
System.out.println("Test passed.");
}
Example 17
| Source File: TPerformance.java From Voovan with Apache License 2.0 | 5 votes |
|
/**
* 获取当前进程 cpu 使用量
* @return cpu 使用量, 如使用2核, 返回200%
*/
public static double getProcessCpuUsage() {
ThreadMXBean threadBean = ManagementFactory.getThreadMXBean();
long totalCpuUsedTime = 0;
for (long id : threadBean.getAllThreadIds()) {
totalCpuUsedTime += threadBean.getThreadCpuTime(id);
}
long curtime = System.nanoTime();
long usedTime = totalCpuUsedTime - prevCpuUsedTime; //cpu 用时差
long totalPassedTime = curtime - prevGetTime; //时间差
prevGetTime = curtime;
prevCpuUsedTime = totalCpuUsedTime;
return (((double) usedTime) / totalPassedTime) * 100;
}
Example 18
| Source File: TimerTest.java From Wikidata-Toolkit with Apache License 2.0 | 4 votes |
|
@Test
public void basicTimerOperation() {
Timer timer = new Timer("Test timer", Timer.RECORD_ALL);
assertEquals(timer.getName(), "Test timer");
long threadId = timer.getThreadId();
assertEquals(timer.getAvgCpuTime(), 0);
assertEquals(timer.getAvgWallTime(), 0);
ThreadMXBean tmxb = ManagementFactory.getThreadMXBean();
if (!tmxb.isThreadCpuTimeEnabled()) {
tmxb.setThreadCpuTimeEnabled(true);
}
long cpuTime1 = tmxb.getThreadCpuTime(threadId);
long wallTime1 = System.nanoTime();
timer.start();
doDummyComputation();
assertTrue("Timer should be running", timer.isRunning());
timer.stop();
cpuTime1 = tmxb.getThreadCpuTime(threadId) - cpuTime1;
wallTime1 = System.nanoTime() - wallTime1;
assertTrue(
"Unrealistic CPU time: " + timer.getTotalCpuTime()
+ " should be closer to " + cpuTime1,
(cpuTime1 - TimerTest.TIME_TOLERANCE) <= timer
.getTotalCpuTime()
&& timer.getTotalCpuTime() <= cpuTime1);
assertTrue(
"Unrealistic wall time: " + timer.getTotalWallTime()
+ " should be closer to " + wallTime1,
(wallTime1 - 2 * TimerTest.TIME_TOLERANCE) <= timer
.getTotalWallTime()
&& timer.getTotalWallTime() <= wallTime1);
long cpuTime2 = tmxb.getThreadCpuTime(threadId);
long wallTime2 = System.nanoTime();
timer.start();
doDummyComputation();
timer.stop();
cpuTime1 += tmxb.getThreadCpuTime(threadId) - cpuTime2;
wallTime1 += System.nanoTime() - wallTime2;
assertTrue(
"Unrealistic total CPU time: " + timer.getTotalCpuTime()
+ " should be closer to " + cpuTime1,
(cpuTime1 - 2 * TimerTest.TIME_TOLERANCE) <= timer
.getTotalCpuTime()
&& timer.getTotalCpuTime() <= cpuTime1);
assertTrue(
"Unrealistic total wall time: " + timer.getTotalWallTime()
+ " should be closer to " + wallTime1,
(wallTime1 - 4 * TimerTest.TIME_TOLERANCE) <= timer
.getTotalWallTime()
&& timer.getTotalWallTime() <= wallTime1);
assertEquals(timer.getTotalCpuTime() / 2, timer.getAvgCpuTime());
assertEquals(timer.getTotalWallTime() / 2, timer.getAvgWallTime());
timer.reset();
assertEquals(timer.getTotalCpuTime(), 0);
assertEquals(timer.getTotalWallTime(), 0);
assertFalse("Timer should not be running", timer.isRunning());
}
Example 19
| Source File: AbstractVirtualSensor.java From gsn with GNU General Public License v3.0 | 4 votes |
|
public Hashtable<String, Object> getStatistics(){
Hashtable<String, Object> stat = anomalyDetector.getStatistics();
stat.put("vs."+virtualSensorConfiguration.getName().replaceAll("\\.", "_") +".output.produced.counter", outputCount);
stat.put("vs."+virtualSensorConfiguration.getName().replaceAll("\\.", "_") +".input.produced.counter", inputCount);
/*
* We know the IDs of threads associated with this VSensor
* Using the IDs, we would extract the CPU times, sum them up and put them in the stats map
*/
ThreadMXBean threadBean = Main.getThreadMXBean();
if (!threadBean.isThreadCpuTimeEnabled()) {
logger.info("ThreadCpuTime is disabled. Enabling it | Thread time measurement might not be accurate");
threadBean.setThreadCpuTimeEnabled(true);
}
Iterator <Map.Entry<Long,String>> iter = threads.entrySet().iterator();
long totalCpuTime = 0L;
//TODO: Not using thread names | Should be used for logging in debug mode
while (iter.hasNext()) {
Map.Entry<Long,String> entry = iter.next();
Long id = entry.getKey();
long cpuTime = threadBean.getThreadCpuTime(id);
if (cpuTime == -1) { // Thread is not alive anymore
iter.remove();
continue;
}
if(Long.MAX_VALUE-totalCpuTime > cpuTime){
totalCpuTime += cpuTime;
}else{
totalCpuTime = cpuTime-(Long.MAX_VALUE-totalCpuTime);
}
}
stat.put("vs."+virtualSensorConfiguration.getName().replaceAll("\\.","_")+".cputime.totalCpuTime.counter", totalCpuTime);
return stat;
}
Example 20
| Source File: TimeMagicCommand.java From beakerx with Apache License 2.0 | 4 votes |
|
public MagicCommandOutput time(String codeToExecute, Message message, int executionCount, boolean showResult) {
CompletableFuture<TimeMeasureData> compileTime = new CompletableFuture<>();
ThreadMXBean threadMXBean = ManagementFactory.getThreadMXBean();
long currentThreadId = Thread.currentThread().getId();
Long startWallTime = System.nanoTime();
Long startCpuTotalTime = threadMXBean.getCurrentThreadCpuTime();
Long startUserTime = threadMXBean.getCurrentThreadUserTime();
SimpleEvaluationObject simpleEvaluationObject = createSimpleEvaluationObject(codeToExecute, kernel, message, executionCount);
if (!showResult) {
simpleEvaluationObject.noResult();
}
TryResult either = kernel.executeCode(codeToExecute, simpleEvaluationObject);
Long endWallTime = System.nanoTime();
Long endCpuTotalTime = threadMXBean.getThreadCpuTime(currentThreadId);
Long endUserTime = threadMXBean.getThreadUserTime(currentThreadId);
compileTime.complete(new TimeMeasureData(endCpuTotalTime - startCpuTotalTime,
endUserTime - startUserTime,
endWallTime - startWallTime));
String messageInfo = "CPU times: user %s, sys: %s, total: %s \nWall Time: %s\n";
try {
TimeMeasureData timeMeasuredData = compileTime.get();
return new MagicCommandOutput(MagicCommandOutput.Status.OK,
String.format(messageInfo,
format(timeMeasuredData.getCpuUserTime()),
format(timeMeasuredData.getCpuTotalTime() - timeMeasuredData.getCpuUserTime()),
format(timeMeasuredData.getCpuTotalTime()),
format(timeMeasuredData.getWallTime())),
either,
simpleEvaluationObject);
} catch (InterruptedException | ExecutionException e) {
return new MagicCommandOutput(MagicCommandOutput.Status.ERROR, "There occurs problem during measuring time for your statement.");
}
}
