Module openj9.dtfj

Package com.ibm.j9ddr.vm29.view.dtfj.java

Class DTFJJavaRuntime

java.lang.Object

com.ibm.j9ddr.vm29.view.dtfj.java.DTFJJavaRuntime

All Implemented Interfaces:

JavaRuntime, ManagedRuntime

public class DTFJJavaRuntime
extends Object
implements JavaRuntime

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
class	DTFJJavaRuntime.DTFJRootScanner

Constructor Summary

Constructors

Constructor	Description
DTFJJavaRuntime()

Method Summary

Modifier and Type	Method	Description
DTFJJavaHeap	getHeapFromAddress(ImagePointer address)
JavaObject	getNestedPackedArrayObject(JavaClass jc, ImagePointer i, int arrayLength)
JavaObject	getNestedPackedObject(JavaClass jc, ImagePointer packedDataAddress)
long	getStartTime()	Return the JVM start time.
long	getStartTimeNanos()	Return the value of the system nanotime (high resolution timer) at JVM start.

Methods declared in class java.lang.Object

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

Methods declared in interface com.ibm.dtfj.java.JavaRuntime

equals, getCompiledMethods, getHeapRoots, getHeaps, getJavaClassLoaders, getJavaVM, getJavaVMInitArgs, getJITProperties, getMemoryCategories, getMemorySections, getMonitors, getObjectAtAddress, getSystemProperty, getThreads, getTraceBuffer, hashCode, isJITEnabled

Methods declared in interface com.ibm.dtfj.runtime.ManagedRuntime

getFullVersion, getVersion

Constructor Detail

DTFJJavaRuntime

public DTFJJavaRuntime()

Method Detail

getHeapFromAddress

public DTFJJavaHeap getHeapFromAddress(ImagePointer address)

getNestedPackedObject

public JavaObject getNestedPackedObject(JavaClass jc,
                                        ImagePointer packedDataAddress)
                                 throws DataUnavailable

Throws:

DataUnavailable

getNestedPackedArrayObject

public JavaObject getNestedPackedArrayObject(JavaClass jc,
                                             ImagePointer i,
                                             int arrayLength)
                                      throws DataUnavailable

Throws:

DataUnavailable

getStartTime

public long getStartTime()
                  throws DataUnavailable,
                         CorruptDataException

Return the JVM start time.

Specified by:

getStartTime in interface JavaRuntime

Returns:

long - JVM start time (milliseconds since 1970)

Throws:

DataUnavailable - if the JVM start time is not available

CorruptDataException - if the JVM start time is corrupted

getStartTimeNanos

public long getStartTimeNanos()
                       throws DataUnavailable,
                              CorruptDataException

Return the value of the system nanotime (high resolution timer) at JVM start.

Specified by:

getStartTimeNanos in interface JavaRuntime

Returns:

long - system nanotime at JVM start

Throws:

DataUnavailable - if the JVM start time is not available

CorruptDataException - if the JVM start time is corrupted