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MBean com.sun.management:type=DiagnosticCommand
Description Diagnostic Commands
Attributes
Name
Description
Type
Value
New Value
Operations
Name
Return type
Description
gcClassHistogramjava.lang.StringProvide statistics about the Java heap usage.
Parameters
idNameDescriptionClass
0
argumentsArray of Diagnostic Commands Arguments and Options[Ljava.lang.String;Unknown type
gcClassStatsjava.lang.StringProvide statistics about Java class meta data. Requires -XX:+UnlockDiagnosticVMOptions.
Parameters
idNameDescriptionClass
0
argumentsArray of Diagnostic Commands Arguments and Options[Ljava.lang.String;Unknown type
gcFinalizerInfojava.lang.StringProvide information about Java finalization queue.
gcHeapInfojava.lang.StringProvide generic Java heap information.
gcRotateLogjava.lang.StringForce the GC log file to be rotated.
gcRunjava.lang.StringCall java.lang.System.gc().
gcRunFinalizationjava.lang.StringCall java.lang.System.runFinalization().
helpjava.lang.StringFor more information about a specific command use 'help <command>'. With no argument this will show a list of available commands. 'help all' will show help for all commands.
Parameters
idNameDescriptionClass
0
argumentsArray of Diagnostic Commands Arguments and Options[Ljava.lang.String;Unknown type
jfrCheckjava.lang.StringChecks running JFR recording(s)
Parameters
idNameDescriptionClass
0
argumentsArray of Diagnostic Commands Arguments and Options[Ljava.lang.String;Unknown type
jfrConfigurejava.lang.StringConfigure JFR
Parameters
idNameDescriptionClass
0
argumentsArray of Diagnostic Commands Arguments and Options[Ljava.lang.String;Unknown type
jfrDumpjava.lang.StringCopies contents of a JFR recording to file. Either the name or the recording id must be specified.
Parameters
idNameDescriptionClass
0
argumentsArray of Diagnostic Commands Arguments and Options[Ljava.lang.String;Unknown type
jfrStartjava.lang.StringStarts a new JFR recording
Parameters
idNameDescriptionClass
0
argumentsArray of Diagnostic Commands Arguments and Options[Ljava.lang.String;Unknown type
jfrStopjava.lang.StringStops a JFR recording
Parameters
idNameDescriptionClass
0
argumentsArray of Diagnostic Commands Arguments and Options[Ljava.lang.String;Unknown type
threadPrintjava.lang.StringPrint all threads with stacktraces.
Parameters
idNameDescriptionClass
0
argumentsArray of Diagnostic Commands Arguments and Options[Ljava.lang.String;Unknown type
vmClassloaderStatsjava.lang.StringPrint statistics about all ClassLoaders.
vmCommandLinejava.lang.StringPrint the command line used to start this VM instance.
vmDynlibsjava.lang.StringPrint loaded dynamic libraries.
vmFlagsjava.lang.StringPrint VM flag options and their current values.
Parameters
idNameDescriptionClass
0
argumentsArray of Diagnostic Commands Arguments and Options[Ljava.lang.String;Unknown type
vmNativeMemoryjava.lang.StringPrint native memory usage
Parameters
idNameDescriptionClass
0
argumentsArray of Diagnostic Commands Arguments and Options[Ljava.lang.String;Unknown type
vmSystemPropertiesjava.lang.StringPrint system properties.
vmUnlockCommercialFeaturesjava.lang.StringSimulate commercial features unlocking for Zulu.
vmUptimejava.lang.StringPrint VM uptime.
Parameters
idNameDescriptionClass
0
argumentsArray of Diagnostic Commands Arguments and Options[Ljava.lang.String;Unknown type
vmVersionjava.lang.StringPrint JVM version information.
Constructors
 
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