/*.................................................................................................................*/
public Snapshot getSnapshot(MesquiteFile file) {
Snapshot temp = new Snapshot();
temp.addLine("setRunningFilePath " + ParseUtil.tokenize(runningFilePath));
if (outputFilePaths != null) {
String files = " ";
for (int i = 0; i < outputFilePaths.length; i++) {
files += " " + ParseUtil.tokenize(outputFilePaths[i]);
}
temp.addLine("setOutputFilePaths " + files);
}
return temp;
}
//
// Handle a HPROF_GC_INSTANCE_DUMP
// Return number of bytes read
//
private int readInstance() throws IOException {
long start = in.position();
long id = readID();
StackTrace stackTrace = getStackTraceFromSerial(in.readInt());
long classID = readID();
int bytesFollowing = in.readInt();
int bytesRead = (2 * identifierSize) + 8 + bytesFollowing;
JavaObject jobj = new JavaObject(classID, start);
skipBytes(bytesFollowing);
snapshot.addHeapObject(id, jobj);
snapshot.setSiteTrace(jobj, stackTrace);
return bytesRead;
}
private void handleEOF(EOFException exp, Snapshot snapshot) {
if (debugLevel > 0) {
exp.printStackTrace();
}
warn("Unexpected EOF. Will miss information...");
// we have EOF, we have to tolerate missing references
snapshot.setUnresolvedObjectsOK(true);
}
//
// Handle a HPROF_GC_OBJ_ARRAY_DUMP or HPROF_GC_PRIM_ARRAY_DUMP
// Return number of bytes read
//
private int readArray(boolean isPrimitive) throws IOException {
long start = in.position();
long id = readID();
StackTrace stackTrace = getStackTraceFromSerial(in.readInt());
int num = in.readInt();
int bytesRead = identifierSize + 8;
long elementClassID;
if (isPrimitive) {
elementClassID = in.readByte();
bytesRead++;
} else {
elementClassID = readID();
bytesRead += identifierSize;
}
// Check for primitive arrays:
byte primitiveSignature = 0x00;
int elSize = 0;
if (isPrimitive || version < VERSION_JDK12BETA4) {
switch ((int) elementClassID) {
case T_BOOLEAN:
{
primitiveSignature = (byte) 'Z';
elSize = 1;
break;
}
case T_CHAR:
{
primitiveSignature = (byte) 'C';
elSize = 2;
break;
}
case T_FLOAT:
{
primitiveSignature = (byte) 'F';
elSize = 4;
break;
}
case T_DOUBLE:
{
primitiveSignature = (byte) 'D';
elSize = 8;
break;
}
case T_BYTE:
{
primitiveSignature = (byte) 'B';
elSize = 1;
break;
}
case T_SHORT:
{
primitiveSignature = (byte) 'S';
elSize = 2;
break;
}
case T_INT:
{
primitiveSignature = (byte) 'I';
elSize = 4;
break;
}
case T_LONG:
{
primitiveSignature = (byte) 'J';
elSize = 8;
break;
}
}
if (version >= VERSION_JDK12BETA4 && primitiveSignature == 0x00) {
throw new IOException("Unrecognized typecode: " + elementClassID);
}
}
if (primitiveSignature != 0x00) {
int size = elSize * num;
bytesRead += size;
JavaValueArray va = new JavaValueArray(primitiveSignature, start);
skipBytes(size);
snapshot.addHeapObject(id, va);
snapshot.setSiteTrace(va, stackTrace);
} else {
int sz = num * identifierSize;
bytesRead += sz;
JavaObjectArray arr = new JavaObjectArray(elementClassID, start);
skipBytes(sz);
snapshot.addHeapObject(id, arr);
snapshot.setSiteTrace(arr, stackTrace);
}
return bytesRead;
}
//
// Handle a HPROF_GC_CLASS_DUMP
// Return number of bytes read
//
private int readClass() throws IOException {
long id = readID();
StackTrace stackTrace = getStackTraceFromSerial(in.readInt());
long superId = readID();
long classLoaderId = readID();
long signersId = readID();
long protDomainId = readID();
long reserved1 = readID();
long reserved2 = readID();
int instanceSize = in.readInt();
int bytesRead = 7 * identifierSize + 8;
int numConstPoolEntries = in.readUnsignedShort();
bytesRead += 2;
for (int i = 0; i < numConstPoolEntries; i++) {
int index = in.readUnsignedShort(); // unused
bytesRead += 2;
bytesRead += readValue(null); // We ignore the values
}
int numStatics = in.readUnsignedShort();
bytesRead += 2;
JavaThing[] valueBin = new JavaThing[1];
JavaStatic[] statics = new JavaStatic[numStatics];
for (int i = 0; i < numStatics; i++) {
long nameId = readID();
bytesRead += identifierSize;
byte type = in.readByte();
bytesRead++;
bytesRead += readValueForType(type, valueBin);
String fieldName = getNameFromID(nameId);
if (version >= VERSION_JDK12BETA4) {
type = signatureFromTypeId(type);
}
String signature = "" + ((char) type);
JavaField f = new JavaField(fieldName, signature);
statics[i] = new JavaStatic(f, valueBin[0]);
}
int numFields = in.readUnsignedShort();
bytesRead += 2;
JavaField[] fields = new JavaField[numFields];
for (int i = 0; i < numFields; i++) {
long nameId = readID();
bytesRead += identifierSize;
byte type = in.readByte();
bytesRead++;
String fieldName = getNameFromID(nameId);
if (version >= VERSION_JDK12BETA4) {
type = signatureFromTypeId(type);
}
String signature = "" + ((char) type);
fields[i] = new JavaField(fieldName, signature);
}
String name = classNameFromObjectID.get(new Long(id));
if (name == null) {
warn("Class name not found for " + toHex(id));
name = "unknown-name@" + toHex(id);
}
JavaClass c =
new JavaClass(
id,
name,
superId,
classLoaderId,
signersId,
protDomainId,
fields,
statics,
instanceSize);
snapshot.addClass(id, c);
snapshot.setSiteTrace(c, stackTrace);
return bytesRead;
}
private void readHeapDump(long bytesLeft, long posAtEnd) throws IOException {
while (bytesLeft > 0) {
int type = in.readUnsignedByte();
if (debugLevel > 0) {
System.out.println(
" Read heap sub-record type "
+ type
+ " at position "
+ toHex(posAtEnd - bytesLeft));
}
bytesLeft--;
switch (type) {
case HPROF_GC_ROOT_UNKNOWN:
{
long id = readID();
bytesLeft -= identifierSize;
snapshot.addRoot(new Root(id, 0, Root.UNKNOWN, ""));
break;
}
case HPROF_GC_ROOT_THREAD_OBJ:
{
long id = readID();
int threadSeq = in.readInt();
int stackSeq = in.readInt();
bytesLeft -= identifierSize + 8;
threadObjects.put(new Integer(threadSeq), new ThreadObject(id, stackSeq));
break;
}
case HPROF_GC_ROOT_JNI_GLOBAL:
{
long id = readID();
long globalRefId = readID(); // Ignored, for now
bytesLeft -= 2 * identifierSize;
snapshot.addRoot(new Root(id, 0, Root.NATIVE_STATIC, ""));
break;
}
case HPROF_GC_ROOT_JNI_LOCAL:
{
long id = readID();
int threadSeq = in.readInt();
int depth = in.readInt();
bytesLeft -= identifierSize + 8;
ThreadObject to = getThreadObjectFromSequence(threadSeq);
StackTrace st = getStackTraceFromSerial(to.stackSeq);
if (st != null) {
st = st.traceForDepth(depth + 1);
}
snapshot.addRoot(new Root(id, to.threadId, Root.NATIVE_LOCAL, "", st));
break;
}
case HPROF_GC_ROOT_JAVA_FRAME:
{
long id = readID();
int threadSeq = in.readInt();
int depth = in.readInt();
bytesLeft -= identifierSize + 8;
ThreadObject to = getThreadObjectFromSequence(threadSeq);
StackTrace st = getStackTraceFromSerial(to.stackSeq);
if (st != null) {
st = st.traceForDepth(depth + 1);
}
snapshot.addRoot(new Root(id, to.threadId, Root.JAVA_LOCAL, "", st));
break;
}
case HPROF_GC_ROOT_NATIVE_STACK:
{
long id = readID();
int threadSeq = in.readInt();
bytesLeft -= identifierSize + 4;
ThreadObject to = getThreadObjectFromSequence(threadSeq);
StackTrace st = getStackTraceFromSerial(to.stackSeq);
snapshot.addRoot(new Root(id, to.threadId, Root.NATIVE_STACK, "", st));
break;
}
case HPROF_GC_ROOT_STICKY_CLASS:
{
long id = readID();
bytesLeft -= identifierSize;
snapshot.addRoot(new Root(id, 0, Root.SYSTEM_CLASS, ""));
break;
}
case HPROF_GC_ROOT_THREAD_BLOCK:
{
long id = readID();
int threadSeq = in.readInt();
bytesLeft -= identifierSize + 4;
ThreadObject to = getThreadObjectFromSequence(threadSeq);
StackTrace st = getStackTraceFromSerial(to.stackSeq);
snapshot.addRoot(new Root(id, to.threadId, Root.THREAD_BLOCK, "", st));
break;
}
case HPROF_GC_ROOT_MONITOR_USED:
{
long id = readID();
bytesLeft -= identifierSize;
snapshot.addRoot(new Root(id, 0, Root.BUSY_MONITOR, ""));
break;
}
case HPROF_GC_CLASS_DUMP:
{
int bytesRead = readClass();
bytesLeft -= bytesRead;
break;
}
case HPROF_GC_INSTANCE_DUMP:
{
int bytesRead = readInstance();
bytesLeft -= bytesRead;
break;
}
case HPROF_GC_OBJ_ARRAY_DUMP:
{
int bytesRead = readArray(false);
bytesLeft -= bytesRead;
break;
}
case HPROF_GC_PRIM_ARRAY_DUMP:
{
int bytesRead = readArray(true);
bytesLeft -= bytesRead;
break;
}
default:
{
throw new IOException("Unrecognized heap dump sub-record type: " + type);
}
}
}
if (bytesLeft != 0) {
warn(
"Error reading heap dump or heap dump segment: Byte count is "
+ bytesLeft
+ " instead of 0");
skipBytes(bytesLeft);
}
if (debugLevel > 0) {
System.out.println(" Finished heap sub-records.");
}
}
public Snapshot read() throws IOException {
currPos = 4; // 4 because of the magic number
version = readVersionHeader();
identifierSize = in.readInt();
snapshot.setIdentifierSize(identifierSize);
if (version >= VERSION_JDK12BETA4) {
snapshot.setNewStyleArrayClass(true);
} else {
snapshot.setNewStyleArrayClass(false);
}
currPos += 4;
if (identifierSize != 4 && identifierSize != 8) {
throw new IOException(
"I'm sorry, but I can't deal with an identifier size of "
+ identifierSize
+ ". I can only deal with 4 or 8.");
}
System.out.println("Dump file created " + (new Date(in.readLong())));
currPos += 8;
for (; ; ) {
int type;
try {
type = in.readUnsignedByte();
} catch (EOFException ignored) {
break;
}
in.readInt(); // Timestamp of this record
// Length of record: readInt() will return negative value for record
// length >2GB. so store 32bit value in long to keep it unsigned.
long length = in.readInt() & 0xffffffffL;
if (debugLevel > 0) {
System.out.println(
"Read record type " + type + ", length " + length + " at position " + toHex(currPos));
}
if (length < 0) {
throw new IOException(
"Bad record length of " + length + " at byte " + toHex(currPos + 5) + " of file.");
}
currPos += 9 + length;
switch (type) {
case HPROF_UTF8:
{
long id = readID();
byte[] chars = new byte[(int) length - identifierSize];
in.readFully(chars);
names.put(new Long(id), new String(chars));
break;
}
case HPROF_LOAD_CLASS:
{
int serialNo = in.readInt(); // Not used
long classID = readID();
int stackTraceSerialNo = in.readInt();
long classNameID = readID();
Long classIdI = new Long(classID);
String nm = getNameFromID(classNameID).replace('/', '.');
classNameFromObjectID.put(classIdI, nm);
if (classNameFromSerialNo != null) {
classNameFromSerialNo.put(new Integer(serialNo), nm);
}
break;
}
case HPROF_HEAP_DUMP:
{
if (dumpsToSkip <= 0) {
try {
readHeapDump(length, currPos);
} catch (EOFException exp) {
handleEOF(exp, snapshot);
}
if (debugLevel > 0) {
System.out.println(" Finished processing instances in heap dump.");
}
return snapshot;
} else {
dumpsToSkip--;
skipBytes(length);
}
break;
}
case HPROF_HEAP_DUMP_END:
{
if (version >= VERSION_JDK6) {
if (dumpsToSkip <= 0) {
skipBytes(length); // should be no-op
return snapshot;
} else {
// skip this dump (of the end record for a sequence of dump segments)
dumpsToSkip--;
}
} else {
// HPROF_HEAP_DUMP_END only recognized in >= 1.0.2
warn("Ignoring unrecognized record type " + type);
}
skipBytes(length); // should be no-op
break;
}
case HPROF_HEAP_DUMP_SEGMENT:
{
if (version >= VERSION_JDK6) {
if (dumpsToSkip <= 0) {
try {
// read the dump segment
readHeapDump(length, currPos);
} catch (EOFException exp) {
handleEOF(exp, snapshot);
}
} else {
// all segments comprising the heap dump will be skipped
skipBytes(length);
}
} else {
// HPROF_HEAP_DUMP_SEGMENT only recognized in >= 1.0.2
warn("Ignoring unrecognized record type " + type);
skipBytes(length);
}
break;
}
case HPROF_FRAME:
{
if (stackFrames == null) {
skipBytes(length);
} else {
long id = readID();
String methodName = getNameFromID(readID());
String methodSig = getNameFromID(readID());
String sourceFile = getNameFromID(readID());
int classSer = in.readInt();
String className = classNameFromSerialNo.get(new Integer(classSer));
int lineNumber = in.readInt();
if (lineNumber < StackFrame.LINE_NUMBER_NATIVE) {
warn("Weird stack frame line number: " + lineNumber);
lineNumber = StackFrame.LINE_NUMBER_UNKNOWN;
}
stackFrames.put(
new Long(id),
new StackFrame(methodName, methodSig, className, sourceFile, lineNumber));
}
break;
}
case HPROF_TRACE:
{
if (stackTraces == null) {
skipBytes(length);
} else {
int serialNo = in.readInt();
int threadSeq = in.readInt(); // Not used
StackFrame[] frames = new StackFrame[in.readInt()];
for (int i = 0; i < frames.length; i++) {
long fid = readID();
frames[i] = stackFrames.get(new Long(fid));
if (frames[i] == null) {
throw new IOException("Stack frame " + toHex(fid) + " not found");
}
}
stackTraces.put(new Integer(serialNo), new StackTrace(frames));
}
break;
}
case HPROF_UNLOAD_CLASS:
case HPROF_ALLOC_SITES:
case HPROF_START_THREAD:
case HPROF_END_THREAD:
case HPROF_HEAP_SUMMARY:
case HPROF_CPU_SAMPLES:
case HPROF_CONTROL_SETTINGS:
case HPROF_LOCKSTATS_WAIT_TIME:
case HPROF_LOCKSTATS_HOLD_TIME:
{
// Ignore these record types
skipBytes(length);
break;
}
default:
{
skipBytes(length);
warn("Ignoring unrecognized record type " + type);
}
}
}
return snapshot;
}
/*.................................................................................................................*/
public Snapshot getSnapshot(MesquiteFile file) {
Snapshot temp = super.getSnapshot(file);
temp.addLine("setExternalProcessRunner", externalProcRunner);
return temp;
}
/*.................................................................................................................*/
public Snapshot getSnapshot(MesquiteFile file) {
Snapshot temp = new Snapshot();
temp.addLine("setUsername " + ParseUtil.tokenize(username));
return temp;
}
