OpenJDK 27 · sun.jvm.hotspot.utilities.HeapHprofBinWriter

Modifier and Type	Class and Description
private static class	HeapHprofBinWriter.ClassData

Field Summary

Modifier and Type	Field and Description
private long	BOOLEAN_BASE_OFFSET
private int	BOOLEAN_SIZE
private long	BYTE_BASE_OFFSET
private int	BYTE_SIZE
private long	CHAR_BASE_OFFSET
private int	CHAR_SIZE
private Map<InstanceKlass, HeapHprofBinWriter.ClassData>	classDataCache
private long	currentSegmentStart
private Debugger	dbg
private long	DOUBLE_BASE_OFFSET
private int	DOUBLE_SIZE
private static final int	DUMMY_STACK_TRACE_ID
private static final int	EMPTY_FRAME_DEPTH
private long	FLOAT_BASE_OFFSET
private int	FLOAT_SIZE
private FileOutputStream	fos
private int	gzLevel
private static final int	HPROF_ALLOC_SITES
private static final int	HPROF_ARRAY_OBJECT
private static final int	HPROF_BOOLEAN
private static final int	HPROF_BYTE
private static final int	HPROF_CHAR
private static final int	HPROF_CONTROL_SETTINGS
private static final int	HPROF_CPU_SAMPLES
private static final int	HPROF_DOUBLE
private static final int	HPROF_END_THREAD
private static final int	HPROF_FLOAT
private static final int	HPROF_FRAME
private static final int	HPROF_GC_CLASS_DUMP
private static final int	HPROF_GC_INSTANCE_DUMP
private static final int	HPROF_GC_OBJ_ARRAY_DUMP
private static final int	HPROF_GC_PRIM_ARRAY_DUMP
private static final int	HPROF_GC_ROOT_JAVA_FRAME
private static final int	HPROF_GC_ROOT_JNI_GLOBAL
private static final int	HPROF_GC_ROOT_JNI_LOCAL
private static final int	HPROF_GC_ROOT_MONITOR_USED
private static final int	HPROF_GC_ROOT_NATIVE_STACK
private static final int	HPROF_GC_ROOT_STICKY_CLASS
private static final int	HPROF_GC_ROOT_THREAD_BLOCK
private static final int	HPROF_GC_ROOT_THREAD_OBJ
private static final int	HPROF_GC_ROOT_UNKNOWN
private static final String	HPROF_HEADER_1_0_2
private static final int	HPROF_HEAP_DUMP
private static final int	HPROF_HEAP_DUMP_END
private static final int	HPROF_HEAP_DUMP_SEGMENT
private static final int	HPROF_HEAP_SUMMARY
private static final int	HPROF_INT
private static final int	HPROF_LOAD_CLASS
private static final int	HPROF_LONG
private static final int	HPROF_NORMAL_OBJECT
private static final long	HPROF_SEGMENTED_HEAP_DUMP_SEGMENT_SIZE
private static final long	HPROF_SEGMENTED_HEAP_DUMP_THRESHOLD
private static final int	HPROF_SHORT
private static final int	HPROF_START_THREAD
private static final int	HPROF_TRACE
private static final int	HPROF_UNLOAD_CLASS
private static final int	HPROF_UTF8
private OutputStream	hprofBufferedOut
private long	INT_BASE_OFFSET
private int	INT_SIZE
private static final int	JVM_SIGNATURE_ARRAY
private static final int	JVM_SIGNATURE_BOOLEAN
private static final int	JVM_SIGNATURE_BYTE
private static final int	JVM_SIGNATURE_CHAR
private static final int	JVM_SIGNATURE_CLASS
private static final int	JVM_SIGNATURE_DOUBLE
private static final int	JVM_SIGNATURE_FLOAT
private static final int	JVM_SIGNATURE_INT
private static final int	JVM_SIGNATURE_LONG
private static final int	JVM_SIGNATURE_SHORT
private ArrayList<Klass>	KlassMap
private long	LONG_BASE_OFFSET
private int	LONG_SIZE
private static final long	MAX_U4_VALUE
private HashSet<Symbol>	names
private int	OBJ_ID_SIZE
private long	OBJECT_BASE_OFFSET
private ObjectHeap	objectHeap
private DataOutputStream	out
pack-priv int	serialNum
private long	SHORT_BASE_OFFSET
private int	SHORT_SIZE
private boolean	useSegmentedHeapDump

Inherited from sun.jvm.hotspot.utilities.AbstractHeapGraphWriter:: javaLangClass javaLangString javaLangThread

Constructor Summary

Access	Constructor and Description
public	HeapHprofBinWriter()
public	HeapHprofBinWriter(int gzLevel)

Method Summary

Modifier and Type	Method and Description
private int	calculateArrayMaxLength(long originalArrayLength, int headerSize, long typeSize, String typeName)
private int	calculateClassDumpRecordSize(Klass k)
private int	calculateClassInstanceDumpRecordSize(Instance instance)
private int	calculateFieldDescriptorsDumpRecordSize(List<Field> fields, InstanceKlass ik)
private int	calculateInstanceDumpRecordSize(Instance instance)
private int	calculateObjectArrayDumpRecordSize(ObjArray array)
protected int	calculateOopDumpRecordSize(Oop oop) Implements abstract sun.jvm.hotspot.utilities.AbstractHeapGraphWriter.calculateOopDumpRecordSize.
private int	calculatePrimitiveArrayDumpRecordSize(TypeArray array)
private void	dumpStackFrame(int frameSN, int classSN, Method m, int bci)
private void	dumpStackTraces()
private void	fillInHeapRecordLength()
private static byte[]	genByteArrayFromInt(int value)
private long	getAddressValue(Address addr)
private int	getArrayHeaderSize(boolean isObjectAarray)
private static List<Field>	getInstanceFields(InstanceKlass ik)
private int	getSizeForField(Field field)
private int	getSizeForFields(List<Field> fields)
private int	getSizeForType(int type)
private boolean	isCompression()
public static int	signatureToHprofKind(char ch)
public synchronized void	write(String fileName) Implements sun.jvm.hotspot.utilities.HeapGraphWriter.write. writes the heap graph in the given file
private void	writeBooleanArray(TypeArray array, int length)
private void	writeByteArray(TypeArray array, int length)
private void	writeCharArray(TypeArray array, int length)
protected void	writeClass(Instance instance) Overrides sun.jvm.hotspot.utilities.AbstractHeapGraphWriter.writeClass.
private void	writeClassDumpRecord(Klass k)
private void	writeClassDumpRecords()
private void	writeClasses()
private void	writeClassID(Klass k)
private void	writeClassSymbols(Klass k)
private void	writeDoubleArray(TypeArray array, int length)
private void	writeDummyTrace()
private void	writeField(Field field, Oop oop)
private void	writeFieldDescriptors(List<Field> fields, InstanceKlass ik)
private void	writeFileHeader()
private void	writeFloatArray(TypeArray array, int length)
protected void	writeGlobalJNIHandle(Address handleAddr) Overrides sun.jvm.hotspot.utilities.AbstractHeapGraphWriter.writeGlobalJNIHandle.
private void	writeHeader(int tag, int len)
protected void	writeHeapRecordPrologue(int size) Overrides sun.jvm.hotspot.utilities.AbstractHeapGraphWriter.writeHeapRecordPrologue.
protected void	writeInstance(Instance instance) Overrides sun.jvm.hotspot.utilities.AbstractHeapGraphWriter.writeInstance.
private void	writeIntArray(TypeArray array, int length)
protected void	writeJavaThread(JavaThread jt, int index) Overrides sun.jvm.hotspot.utilities.AbstractHeapGraphWriter.writeJavaThread.
protected void	writeLocalJNIHandles(JavaThread jt, int index)
private void	writeLongArray(TypeArray array, int length)
protected void	writeObjectArray(ObjArray array) Overrides sun.jvm.hotspot.utilities.AbstractHeapGraphWriter.writeObjectArray.
private void	writeObjectID(Oop oop)
private void	writeObjectID(long address)
protected void	writePrimitiveArray(TypeArray array) Overrides sun.jvm.hotspot.utilities.AbstractHeapGraphWriter.writePrimitiveArray.
private void	writeShortArray(TypeArray array, int length)
protected void	writeStackRefs(int threadIndex, int frameIndex, StackValueCollection values)
protected void	writeStickyClasses() Overrides sun.jvm.hotspot.utilities.AbstractHeapGraphWriter.writeStickyClasses.
private void	writeSymbol(Symbol sym)
private void	writeSymbolID(Symbol sym)
private void	writeSymbols()

Field Detail

BOOLEAN_BASE_OFFSET	back to summary
private long BOOLEAN_BASE_OFFSET

BOOLEAN_SIZE	back to summary
private int BOOLEAN_SIZE

BYTE_BASE_OFFSET	back to summary
private long BYTE_BASE_OFFSET

BYTE_SIZE	back to summary
private int BYTE_SIZE

CHAR_BASE_OFFSET	back to summary
private long CHAR_BASE_OFFSET

CHAR_SIZE	back to summary
private int CHAR_SIZE

classDataCache	back to summary
private Map<InstanceKlass, HeapHprofBinWriter.ClassData> classDataCache

currentSegmentStart	back to summary
private long currentSegmentStart

dbg	back to summary
private Debugger dbg

DOUBLE_BASE_OFFSET	back to summary
private long DOUBLE_BASE_OFFSET

DOUBLE_SIZE	back to summary
private int DOUBLE_SIZE

DUMMY_STACK_TRACE_ID	back to summary
private static final int DUMMY_STACK_TRACE_ID

EMPTY_FRAME_DEPTH	back to summary
private static final int EMPTY_FRAME_DEPTH

FLOAT_BASE_OFFSET	back to summary
private long FLOAT_BASE_OFFSET

FLOAT_SIZE	back to summary
private int FLOAT_SIZE

fos	back to summary
private FileOutputStream fos

gzLevel	back to summary
private int gzLevel

HPROF_ALLOC_SITES	back to summary
private static final int HPROF_ALLOC_SITES

HPROF_ARRAY_OBJECT	back to summary
private static final int HPROF_ARRAY_OBJECT

HPROF_BOOLEAN	back to summary
private static final int HPROF_BOOLEAN

HPROF_BYTE	back to summary
private static final int HPROF_BYTE

HPROF_CHAR	back to summary
private static final int HPROF_CHAR

HPROF_CONTROL_SETTINGS	back to summary
private static final int HPROF_CONTROL_SETTINGS

HPROF_CPU_SAMPLES	back to summary
private static final int HPROF_CPU_SAMPLES

HPROF_DOUBLE	back to summary
private static final int HPROF_DOUBLE

HPROF_END_THREAD	back to summary
private static final int HPROF_END_THREAD

HPROF_FLOAT	back to summary
private static final int HPROF_FLOAT

HPROF_FRAME	back to summary
private static final int HPROF_FRAME

HPROF_GC_CLASS_DUMP	back to summary
private static final int HPROF_GC_CLASS_DUMP

HPROF_GC_INSTANCE_DUMP	back to summary
private static final int HPROF_GC_INSTANCE_DUMP

HPROF_GC_OBJ_ARRAY_DUMP	back to summary
private static final int HPROF_GC_OBJ_ARRAY_DUMP

HPROF_GC_PRIM_ARRAY_DUMP	back to summary
private static final int HPROF_GC_PRIM_ARRAY_DUMP

HPROF_GC_ROOT_JAVA_FRAME	back to summary
private static final int HPROF_GC_ROOT_JAVA_FRAME

HPROF_GC_ROOT_JNI_GLOBAL	back to summary
private static final int HPROF_GC_ROOT_JNI_GLOBAL

HPROF_GC_ROOT_JNI_LOCAL	back to summary
private static final int HPROF_GC_ROOT_JNI_LOCAL

HPROF_GC_ROOT_MONITOR_USED	back to summary
private static final int HPROF_GC_ROOT_MONITOR_USED

HPROF_GC_ROOT_NATIVE_STACK	back to summary
private static final int HPROF_GC_ROOT_NATIVE_STACK

HPROF_GC_ROOT_STICKY_CLASS	back to summary
private static final int HPROF_GC_ROOT_STICKY_CLASS

HPROF_GC_ROOT_THREAD_BLOCK	back to summary
private static final int HPROF_GC_ROOT_THREAD_BLOCK

HPROF_GC_ROOT_THREAD_OBJ	back to summary
private static final int HPROF_GC_ROOT_THREAD_OBJ

HPROF_GC_ROOT_UNKNOWN	back to summary
private static final int HPROF_GC_ROOT_UNKNOWN

HPROF_HEADER_1_0_2	back to summary
private static final String HPROF_HEADER_1_0_2

HPROF_HEAP_DUMP	back to summary
private static final int HPROF_HEAP_DUMP

HPROF_HEAP_DUMP_END	back to summary
private static final int HPROF_HEAP_DUMP_END

HPROF_HEAP_DUMP_SEGMENT	back to summary
private static final int HPROF_HEAP_DUMP_SEGMENT

HPROF_HEAP_SUMMARY	back to summary
private static final int HPROF_HEAP_SUMMARY

HPROF_INT	back to summary
private static final int HPROF_INT

HPROF_LOAD_CLASS	back to summary
private static final int HPROF_LOAD_CLASS

HPROF_LONG	back to summary
private static final int HPROF_LONG

HPROF_NORMAL_OBJECT	back to summary
private static final int HPROF_NORMAL_OBJECT

HPROF_SEGMENTED_HEAP_DUMP_SEGMENT_SIZE	back to summary
private static final long HPROF_SEGMENTED_HEAP_DUMP_SEGMENT_SIZE

HPROF_SEGMENTED_HEAP_DUMP_THRESHOLD	back to summary
private static final long HPROF_SEGMENTED_HEAP_DUMP_THRESHOLD

HPROF_SHORT	back to summary
private static final int HPROF_SHORT

HPROF_START_THREAD	back to summary
private static final int HPROF_START_THREAD

HPROF_TRACE	back to summary
private static final int HPROF_TRACE

HPROF_UNLOAD_CLASS	back to summary
private static final int HPROF_UNLOAD_CLASS

HPROF_UTF8	back to summary
private static final int HPROF_UTF8

hprofBufferedOut	back to summary
private OutputStream hprofBufferedOut

INT_BASE_OFFSET	back to summary
private long INT_BASE_OFFSET

INT_SIZE	back to summary
private int INT_SIZE

JVM_SIGNATURE_ARRAY	back to summary
private static final int JVM_SIGNATURE_ARRAY

JVM_SIGNATURE_BOOLEAN	back to summary
private static final int JVM_SIGNATURE_BOOLEAN

JVM_SIGNATURE_BYTE	back to summary
private static final int JVM_SIGNATURE_BYTE

JVM_SIGNATURE_CHAR	back to summary
private static final int JVM_SIGNATURE_CHAR

JVM_SIGNATURE_CLASS	back to summary
private static final int JVM_SIGNATURE_CLASS

JVM_SIGNATURE_DOUBLE	back to summary
private static final int JVM_SIGNATURE_DOUBLE

JVM_SIGNATURE_FLOAT	back to summary
private static final int JVM_SIGNATURE_FLOAT

JVM_SIGNATURE_INT	back to summary
private static final int JVM_SIGNATURE_INT

JVM_SIGNATURE_LONG	back to summary
private static final int JVM_SIGNATURE_LONG

JVM_SIGNATURE_SHORT	back to summary
private static final int JVM_SIGNATURE_SHORT

KlassMap	back to summary
private ArrayList<Klass> KlassMap

LONG_BASE_OFFSET	back to summary
private long LONG_BASE_OFFSET

LONG_SIZE	back to summary
private int LONG_SIZE

MAX_U4_VALUE	back to summary
private static final long MAX_U4_VALUE

names	back to summary
private HashSet<Symbol> names

OBJ_ID_SIZE	back to summary
private int OBJ_ID_SIZE

OBJECT_BASE_OFFSET	back to summary
private long OBJECT_BASE_OFFSET

objectHeap	back to summary
private ObjectHeap objectHeap

out	back to summary
private DataOutputStream out

serialNum	back to summary
pack-priv int serialNum

SHORT_BASE_OFFSET	back to summary
private long SHORT_BASE_OFFSET

SHORT_SIZE	back to summary
private int SHORT_SIZE

useSegmentedHeapDump	back to summary
private boolean useSegmentedHeapDump

Method Detail

calculateArrayMaxLength	back to summary
private int calculateArrayMaxLength(long originalArrayLength, int headerSize, long typeSize, String typeName)

calculateClassDumpRecordSize	back to summary
private int calculateClassDumpRecordSize(Klass k)

calculateClassInstanceDumpRecordSize	back to summary
private int calculateClassInstanceDumpRecordSize(Instance instance)

calculateFieldDescriptorsDumpRecordSize	back to summary
private int calculateFieldDescriptorsDumpRecordSize(List<Field> fields, InstanceKlass ik)

calculateInstanceDumpRecordSize	back to summary
private int calculateInstanceDumpRecordSize(Instance instance)

calculateObjectArrayDumpRecordSize	back to summary
private int calculateObjectArrayDumpRecordSize(ObjArray array)

calculateOopDumpRecordSize	back to summary
protected int calculateOopDumpRecordSize(Oop oop) throws IOException Implements abstract sun.jvm.hotspot.utilities.AbstractHeapGraphWriter.calculateOopDumpRecordSize.

calculatePrimitiveArrayDumpRecordSize	back to summary
private int calculatePrimitiveArrayDumpRecordSize(TypeArray array) throws IOException

dumpStackFrame	back to summary
private void dumpStackFrame(int frameSN, int classSN, Method m, int bci) throws IOException

dumpStackTraces	back to summary
private void dumpStackTraces() throws IOException

fillInHeapRecordLength	back to summary
private void fillInHeapRecordLength() throws IOException

genByteArrayFromInt	back to summary
private static byte[] genByteArrayFromInt(int value)

getAddressValue	back to summary
private long getAddressValue(Address addr)

getArrayHeaderSize	back to summary
private int getArrayHeaderSize(boolean isObjectAarray)

getInstanceFields	back to summary
private static List<Field> getInstanceFields(InstanceKlass ik)

getSizeForField	back to summary
private int getSizeForField(Field field)

getSizeForFields	back to summary
private int getSizeForFields(List<Field> fields)

getSizeForType	back to summary
private int getSizeForType(int type) throws IOException

isCompression	back to summary
private boolean isCompression()

signatureToHprofKind	back to summary
public static int signatureToHprofKind(char ch)

write

back to summary

public synchronized void write(String fileName) throws IOException

Implements sun.jvm.hotspot.utilities.HeapGraphWriter.write.

Doc from sun.jvm.hotspot.utilities.HeapGraphWriter.write.

writes the heap graph in the given file

writeBooleanArray	back to summary
private void writeBooleanArray(TypeArray array, int length) throws IOException

writeByteArray	back to summary
private void writeByteArray(TypeArray array, int length) throws IOException

writeCharArray	back to summary
private void writeCharArray(TypeArray array, int length) throws IOException

writeClass	back to summary
protected void writeClass(Instance instance) throws IOException Overrides sun.jvm.hotspot.utilities.AbstractHeapGraphWriter.writeClass.

writeClassDumpRecord	back to summary
private void writeClassDumpRecord(Klass k) throws IOException

writeClassDumpRecords	back to summary
private void writeClassDumpRecords() throws IOException

writeClasses	back to summary
private void writeClasses() throws IOException

writeClassID	back to summary
private void writeClassID(Klass k) throws IOException

writeClassSymbols	back to summary
private void writeClassSymbols(Klass k) throws IOException

writeDoubleArray	back to summary
private void writeDoubleArray(TypeArray array, int length) throws IOException

writeDummyTrace	back to summary
private void writeDummyTrace() throws IOException

writeField	back to summary
private void writeField(Field field, Oop oop) throws IOException

writeFieldDescriptors	back to summary
private void writeFieldDescriptors(List<Field> fields, InstanceKlass ik) throws IOException

writeFileHeader	back to summary
private void writeFileHeader() throws IOException

writeFloatArray	back to summary
private void writeFloatArray(TypeArray array, int length) throws IOException

writeGlobalJNIHandle	back to summary
protected void writeGlobalJNIHandle(Address handleAddr) throws IOException Overrides sun.jvm.hotspot.utilities.AbstractHeapGraphWriter.writeGlobalJNIHandle.

writeHeader	back to summary
private void writeHeader(int tag, int len) throws IOException

writeHeapRecordPrologue

back to summary

protected void writeHeapRecordPrologue(int size) throws IOException

Overrides sun.jvm.hotspot.utilities.AbstractHeapGraphWriter.writeHeapRecordPrologue.

Annotations

@Override

writeInstance	back to summary
protected void writeInstance(Instance instance) throws IOException Overrides sun.jvm.hotspot.utilities.AbstractHeapGraphWriter.writeInstance.

writeIntArray	back to summary
private void writeIntArray(TypeArray array, int length) throws IOException

writeJavaThread	back to summary
protected void writeJavaThread(JavaThread jt, int index) throws IOException Overrides sun.jvm.hotspot.utilities.AbstractHeapGraphWriter.writeJavaThread.

writeLocalJNIHandles	back to summary
protected void writeLocalJNIHandles(JavaThread jt, int index) throws IOException

writeLongArray	back to summary
private void writeLongArray(TypeArray array, int length) throws IOException

writeObjectArray	back to summary
protected void writeObjectArray(ObjArray array) throws IOException Overrides sun.jvm.hotspot.utilities.AbstractHeapGraphWriter.writeObjectArray.

writeObjectID	back to summary
private void writeObjectID(Oop oop) throws IOException

writeObjectID	back to summary
private void writeObjectID(long address) throws IOException

writePrimitiveArray	back to summary
protected void writePrimitiveArray(TypeArray array) throws IOException Overrides sun.jvm.hotspot.utilities.AbstractHeapGraphWriter.writePrimitiveArray.

writeShortArray	back to summary
private void writeShortArray(TypeArray array, int length) throws IOException

writeStackRefs	back to summary
protected void writeStackRefs(int threadIndex, int frameIndex, StackValueCollection values) throws IOException

writeStickyClasses

back to summary

protected void writeStickyClasses() throws IOException

Overrides sun.jvm.hotspot.utilities.AbstractHeapGraphWriter.writeStickyClasses.

Annotations

@Override

writeSymbol	back to summary
private void writeSymbol(Symbol sym) throws IOException

writeSymbolID	back to summary
private void writeSymbolID(Symbol sym) throws IOException

writeSymbols	back to summary
private void writeSymbols() throws IOException

public Class HeapHprofBinWriter

Nested and Inner Type Summary

Field Summary

Constructor Summary

Method Summary

Field Detail

Constructor Detail

Method Detail

private Class HeapHprofBinWriter.ClassData

Field Summary

Constructor Summary

Method Summary

Field Detail

Constructor Detail