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/OpenJDK 21

Class RecordedThread

java.lang.Object
jdk.jfr.consumer.RecordedObject
jdk.jfr.consumer.RecordedThread
public final class RecordedThread extends RecordedObject
A recorded thread.
Since:
9

Method Summary

Modifier and Type Method Description
long getId()
Returns a unique ID for both native threads and Java threads that can't be reused within the lifespan of the JVM.
String getJavaName()
Returns the Java thread name, or null if doesn't exist.
long getJavaThreadId()
Returns the Java thread ID, or -1 if it's not a Java thread.
String getOSName()
Returns the thread name used by the operating system.
long getOSThreadId()
Returns the thread ID used by the operating system.
RecordedThreadGroup getThreadGroup()
Returns the Java thread group, if available.
boolean isVirtual()
Returns true if this is a virtual Thread, false otherwise.

Methods declared in class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Method Details

getOSName

public String getOSName()
Returns the thread name used by the operating system.
Returns:
the OS thread name, or null if doesn't exist

getOSThreadId

public long getOSThreadId()
Returns the thread ID used by the operating system.
Returns:
the OS thread ID, or -1 if doesn't exist

getThreadGroup

public RecordedThreadGroup getThreadGroup()
Returns the Java thread group, if available.
Returns:
the thread group, or null if doesn't exist

getJavaName

public String getJavaName()
Returns the Java thread name, or null if doesn't exist.

Returns java.lang.Thread.getName() if the thread has a Java representation. null otherwise.

Returns:
the Java thread name, or null if doesn't exist

getJavaThreadId

public long getJavaThreadId()
Returns the Java thread ID, or -1 if it's not a Java thread.
Returns:
the Java thread ID, or -1 if it's not a Java thread
See Also:

getId

public long getId()
Returns a unique ID for both native threads and Java threads that can't be reused within the lifespan of the JVM.

See getJavaThreadId() for the ID that is returned by java.lang.Thread.threadId().

See getOSThreadId() for the ID that is returned by the operating system.

Returns:
a unique ID for the thread

isVirtual

public boolean isVirtual()
Returns true if this is a virtual Thread, false otherwise.
Returns:
true if this is a virtual Thread, false otherwise
Since:
21

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Documentation extracted from Debian's OpenJDK Development Kit package.
Licensed under the GNU General Public License, version 2, with the Classpath Exception.
Various third party code in OpenJDK is licensed under different licenses (see Debian package).
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https://docs.oracle.com/en/java/javase/21/docs/api/jdk.jfr/jdk/jfr/consumer/RecordedThread.html