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Add new thread variable __jmv_THREAD_START_TIME_ITERATION contains the currentTimeMillis when the thread iteration start. #6356

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Add new thread variable __jmv_THREAD_START_TIME_ITERATION contains the currentTimeMillis when the thread iteration start. #6356

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3dda58a
Add new thread variable __jmv_THREAD_START_TIME_ITERATION contains th…
Sep 26, 2024
585e431
Add new variable __jmv_THREAD_START_TIME_ITERATION contains the curre…
Sep 27, 2024
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4 changes: 4 additions & 0 deletions src/core/src/main/java/org/apache/jmeter/threads/JMeterThread.java
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Original file line number Diff line number Diff line change
Expand Up @@ -728,6 +728,8 @@ private static void setLastSampleOk(JMeterVariables variables, boolean value) {
*/
private IterationListener initRun(JMeterContext threadContext) {
threadVars.putObject(JMeterVariables.VAR_IS_SAME_USER_KEY, isSameUserOnNextIteration);
threadVars.putObject(JMeterVariables.VAR_THREAD_START_TIME_ITERATION, threadVars.getStartThreadTimeIteration());

threadContext.setVariables(threadVars);
threadContext.setThreadNum(getThreadNum());
setLastSampleOk(threadVars, true);
Expand Down Expand Up @@ -1029,6 +1031,8 @@ private void delay(List<? extends Timer> timers) {

void notifyTestListeners() {
threadVars.incIteration();
threadVars.resetStartThreadTimeIteration();
threadVars.putObject(JMeterVariables.VAR_THREAD_START_TIME_ITERATION, threadVars.getStartThreadTimeIteration());
for (TestIterationListener listener : testIterationStartListeners) {
listener.testIterationStart(new LoopIterationEvent(threadGroupLoopController, threadVars.getIteration()));
if (listener instanceof TestElement) {
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11 changes: 10 additions & 1 deletion src/core/src/main/java/org/apache/jmeter/threads/JMeterVariables.java
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Expand Up @@ -33,6 +33,7 @@ public class JMeterVariables {
private final Map<String, Object> variables = new HashMap<>();

private int iteration = 0;
private long startTimeThreadIteration = System.currentTimeMillis();

// Property names to preload into JMeter variables:
private static final String [] PRE_LOAD = {
Expand All @@ -43,7 +44,7 @@ public class JMeterVariables {
};

static final String VAR_IS_SAME_USER_KEY = "__jmv_SAME_USER";

static final String VAR_THREAD_START_TIME_ITERATION ="__jmv_THREAD_START_TIME_ITERATION";
/**
* Constructor, that preloads the variables from the JMeter properties
*/
Expand Down Expand Up @@ -178,4 +179,12 @@ public Set<Map.Entry<String, Object>> entrySet(){
public boolean isSameUserOnNextIteration() {
return Boolean.TRUE.equals(variables.get(VAR_IS_SAME_USER_KEY));
}

public void resetStartThreadTimeIteration() {
startTimeThreadIteration = System.currentTimeMillis();
}

public long getStartThreadTimeIteration() {
return startTimeThreadIteration;
}
}
10 changes: 10 additions & 0 deletions src/core/src/main/java/org/apache/jmeter/threads/UnmodifiableJMeterVariables.java
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Expand Up @@ -91,6 +91,16 @@ public String get(String key) {
return variables.get(key);
}

@Override
public long getStartThreadTimeIteration() {
return variables.getStartThreadTimeIteration();
}

@Override
public void resetStartThreadTimeIteration() {
throw new UnsupportedOperationException();
}

@Override
public boolean equals(Object obj) {
if (this == obj) {
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2 changes: 2 additions & 0 deletions xdocs/usermanual/functions.xml
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Expand Up @@ -1765,6 +1765,8 @@ However some variables are defined internally by JMeter. These are listed below.
<li><code>JMeterThread.last_sample_ok</code> - whether or not the last sample was OK - <code>true</code>/<code>false</code>.
Note: this is updated after PostProcessors and Assertions have been run.
</li>
<li><code>__jmv_SAME_USER</code> - is the same user for each iteration ? <code>true</code>/<code>false</code>. Mainly impacts clean cookie, cache data and new connection</li>
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Is this to fix some older code?

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Is this to fix some older code?
Yes, when i search this variable "__jmv_SAME_USER" in the documentation, i don't see it.
So i add this line about the variable __jmv_SAME_USER.
And i add the new one variable "__jmv_THREAD_START_TIME_ITERATION"

<li><code>__jmv_THREAD_START_TIME_ITERATION</code> - contains the epoch unit milliseconds of the thread start iteration. Call System.currentTimeMillis()</li>
<li><code>START</code> variables (see next section)</li>
</ul>
</subsection>
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