Examples with ImageSection com.ibm.dtfj.image.ImageSection used on opensource projects

Example 11 with ImageSection

use of com.ibm.dtfj.image.ImageSection in project openj9 by eclipse.

the class InfoThreadCommand method printThreadInfo.

private boolean printThreadInfo(String id, Map threads) {
    Iterator itThread;
    ImageThread it;
    boolean found = false;
    itThread = ctx.getProcess().getThreads();
    while (itThread.hasNext()) {
        Object next = itThread.next();
        if (next instanceof CorruptData) {
            out.print("\n  <corrupt data>");
            continue;
        }
        it = (ImageThread) next;
        // Obtain the native thread ID for this thread, and for zOS also obtain the TCB
        String currentTID = null;
        String currentTCB = null;
        try {
            currentTID = it.getID();
            if (_is_zOS) {
                currentTCB = it.getProperties().getProperty("TCB");
            }
        } catch (CorruptDataException e) {
        // Continue with what we have obtained so far
        }
        // the requested native thread ID or zOS TCB, then go ahead and print out this thread.
        if (null == id || id.equalsIgnoreCase(currentTID) || id.equalsIgnoreCase(currentTCB)) {
            out.print("  thread id: ");
            out.print(currentTID);
            out.print("\n");
            printRegisters(it);
            out.print("   native stack sections:");
            out.print("\n");
            Iterator itStackSection = it.getStackSections();
            while (itStackSection.hasNext()) {
                Object nextStackSection = itStackSection.next();
                if (nextStackSection instanceof CorruptData) {
                    out.print("    " + Exceptions.getCorruptDataExceptionString() + "\n");
                    continue;
                }
                ImageSection is = (ImageSection) nextStackSection;
                printStackSection(is);
            }
            printStackFrameInfo(it);
            out.print("   properties:");
            out.print("\n");
            printProperties(it);
            out.print("   associated Java thread: ");
            ThreadData td = (ThreadData) threads.remove(currentTID);
            if (null != td) {
                out.print("\n");
                printJavaThreadInfo(td.getThread(), true);
            } else {
                out.print("<no associated Java thread>\n");
            }
            out.print("\n");
            found = true;
        }
    }
    return found;
}

Example 12 with ImageSection

use of com.ibm.dtfj.image.ImageSection in project openj9 by eclipse.

the class JavaLocation method getCompilationLevel.

/* (non-Javadoc)
	 * @see com.ibm.dtfj.java.JavaLocation#getCompilationLevel()
	 */
public int getCompilationLevel() throws CorruptDataException {
    /* we can't get accurate information from the JIT, so we will
		 * consider any JIT section to be 1, and any non-JIT section to
		 * be 0. 
		 */
    long pointer = getAddress().getAddress();
    Iterator iter = getMethod().getBytecodeSections();
    while (iter.hasNext()) {
        ImageSection section = (ImageSection) iter.next();
        if (pointer >= section.getBaseAddress().getAddress() && pointer < section.getBaseAddress().getAddress() + section.getSize()) {
            /* the PC is within an interpreted section */
            return 0;
        }
    }
    iter = getMethod().getCompiledSections();
    while (iter.hasNext()) {
        ImageSection section = (ImageSection) iter.next();
        if (pointer >= section.getBaseAddress().getAddress() && pointer < section.getBaseAddress().getAddress() + section.getSize()) {
            /* the PC is within a compiled section */
            return 1;
        }
    }
    // but let's play it safe, since J9 uses some magic PCs which jextract doesn't hide
    return 0;
}

Example 13 with ImageSection

use of com.ibm.dtfj.image.ImageSection in project openj9 by eclipse.

the class ThreadSectionParser method addThread.

/**
 * @param javaThreadResults
 * @param nativeStacks list of attributes of the native stacks
 * @param currentFileLineNumber
 * @return java thread
 * @throws ParserException if error handler decides to throw it due java thread or image thread error creation
 */
private JavaThread addThread(IAttributeValueMap javaThreadResults, IAttributeValueMap nativeResults, List nativeStacks, IAttributeValueMap blockerInfo, IAttributeValueMap cpuTimes, int currentFileLineNumber) throws ParserException {
    long imageThreadID = (nativeResults != null) ? nativeResults.getLongValue(NATIVE_THREAD_ID) : javaThreadResults.getLongValue(NATIVE_THREAD_ID);
    long tid = javaThreadResults.getLongValue(VM_THREAD_ID);
    if (imageThreadID == IBuilderData.NOT_AVAILABLE) {
        imageThreadID = tid;
    }
    ImageThread imageThread = null;
    JavaThread javaThread = null;
    // CMVC 158108 : fixed so that if the thread name is not present then it is not subsequently parsed
    String threadName = javaThreadResults.getTokenValue(JAVA_THREAD_NAME);
    if (threadName != null && threadName.length() >= 2) {
        // remove quotes
        threadName = threadName.substring(1, threadName.length() - 1);
    }
    String threadState = javaThreadResults.getTokenValue(JAVA_STATE);
    int threadPriority = javaThreadResults.getIntValue(VM_THREAD_PRIORITY);
    long abstractThreadID = javaThreadResults.getLongValue(ABSTRACT_THREAD_ID);
    Properties properties = new Properties();
    if (abstractThreadID != IBuilderData.NOT_AVAILABLE) {
        addAsProperty(properties, ABSTRACT_THREAD_ID, "0x" + Long.toHexString(abstractThreadID));
    }
    if (nativeResults != null) {
        addAsProperty(properties, NATIVE_THREAD_PRIORITY, nativeResults.getTokenValue(NATIVE_THREAD_PRIORITY));
        addAsProperty(properties, NATIVE_THREAD_POLICY, nativeResults.getTokenValue(NATIVE_THREAD_POLICY));
        addAsProperty(properties, SCOPE, nativeResults.getTokenValue(SCOPE));
        addAsProperty(properties, VM_STATE, nativeResults.getTokenValue(VM_STATE));
        addAsProperty(properties, VM_FLAGS, nativeResults.getTokenValue(VM_FLAGS));
    }
    if (cpuTimes != null) {
        addAsProperty(properties, CPU_TIME_TOTAL, cpuTimes.getTokenValue(CPU_TIME_TOTAL));
        addAsProperty(properties, CPU_TIME_USER, cpuTimes.getTokenValue(CPU_TIME_USER));
        addAsProperty(properties, CPU_TIME_SYSTEM, cpuTimes.getTokenValue(CPU_TIME_SYSTEM));
    }
    String blockerObjectClassName = null;
    // CMVC 180977 : the parser expects missing data to be represented by a -ve number, so change the default address from 0 to IBuilderData.NOT_AVAILABLE (currently -1)
    // this parser check will break on a sufficiently large 64bit number, but fixing that is beyond the scope of this defect.
    long blockerObjectAddress = IBuilderData.NOT_AVAILABLE;
    if (blockerInfo != null) {
        blockerObjectClassName = blockerInfo.getTokenValue(BLOCKER_OBJECT_FULL_JAVA_NAME);
        blockerObjectAddress = blockerInfo.getLongValue(BLOCKER_OBJECT_ADDRESS);
    }
    long javaObjID = javaThreadResults.getLongValue(JAVA_THREAD_OBJ);
    if (javaObjID == IBuilderData.NOT_AVAILABLE && nativeResults == null) {
        String vmthread = javaThreadResults.getTokenValue(VM_THREAD_ID);
        // Java 5.0 vmthreads tend to start with 0x0, and are not Java objects
        if (vmthread != null && !vmthread.startsWith("0x0"))
            javaObjID = tid;
    }
    try {
        imageThread = fImageProcessBuilder.addImageThread(imageThreadID, abstractThreadID, properties);
        if (threadName != null || tid != IBuilderData.NOT_AVAILABLE) {
            javaThread = fRuntimeBuilder.addJavaThread(imageThread, threadName, tid, abstractThreadID, javaObjID, IBuilderData.NOT_AVAILABLE, threadState, threadPriority, blockerObjectAddress, blockerObjectClassName);
        }
    } catch (BuilderFailureException e) {
        handleErrorAtLineNumber(currentFileLineNumber, "Failed to add thread: " + threadName + " " + imageThreadID, e);
    }
    for (Iterator it = nativeStacks.iterator(); it.hasNext(); ) {
        IAttributeValueMap stackInfo = (IAttributeValueMap) it.next();
        long from = stackInfo.getLongValue(NATIVE_STACK_FROM);
        long to = stackInfo.getLongValue(NATIVE_STACK_TO);
        long size = stackInfo.getLongValue(NATIVE_STACK_SIZE);
        if (from != IBuilderData.NOT_AVAILABLE && size != IBuilderData.NOT_AVAILABLE) {
            ImageSection section = fImageAddressSpaceBuilder.addImageSection("Native stack section", from, size);
            fImageProcessBuilder.addImageStackSection(imageThread, section);
        }
    }
    return javaThread;
}

Example 14 with ImageSection

use of com.ibm.dtfj.image.ImageSection in project openj9 by eclipse.

the class FindCommand method doCommand.

public void doCommand(String[] params) {
    sb = new StringBuffer();
    matches.clear();
    if (!isParametersValid(params))
        return;
    determineModeFromPattern();
    if (!parseParams(params))
        return;
    Iterator imageSections = ctx.getAddressSpace().getImageSections();
    while (imageSections.hasNext()) {
        if (matches.size() > findAtt.numMatchesToDisplay)
            break;
        ImageSection imageSection = (ImageSection) imageSections.next();
        if (scanImageSection(imageSection))
            break;
    }
    if (matches.size() > 0)
        findAtt.lastMatch = ((Long) matches.get(matches.size() - 1)).longValue();
    ctx.getProperties().put(Utils.FIND_ATTRIBUTES, findAtt);
    doPrint();
    if (matches.size() > 0)
        printLastMatchContent();
    // preppend "0x" back to pattern for findnext command
    restoreHexPrefix();
}

Example 15 with ImageSection

use of com.ibm.dtfj.image.ImageSection in project openj9 by eclipse.

the class DTFJJavaRuntimeHelper method getTotalHeapSize.

@SuppressWarnings("rawtypes")
public static long getTotalHeapSize(JavaRuntime runtime, IProcess process) throws CorruptDataException {
    if (totalSizeOfAllHeaps > 0) {
        // already calculated, never changes
        return totalSizeOfAllHeaps;
    }
    if (runtime == null) {
        throw new com.ibm.dtfj.image.CorruptDataException(J9DDRDTFJUtils.newCorruptData(process, "No Java Runtime present"));
    }
    Iterator heaps = runtime.getHeaps();
    while (heaps.hasNext()) {
        Object nextHeap = heaps.next();
        Iterator sections;
        if (nextHeap instanceof JavaHeap) {
            sections = ((JavaHeap) nextHeap).getSections();
        } else {
            // CorruptData?
            throw new com.ibm.dtfj.image.CorruptDataException(J9DDRDTFJUtils.newCorruptData(process, "Corrupt heap encountered whilst calculating total heap size"));
        }
        while (sections.hasNext()) {
            Object nextSection = sections.next();
            if (nextSection instanceof ImageSection) {
                long sectionSize = ((ImageSection) nextSection).getSize();
                if (Long.MAX_VALUE - sectionSize > totalSizeOfAllHeaps) {
                    totalSizeOfAllHeaps += sectionSize;
                } else {
                    // no point adding further, the cap is on Long.MAX_VALUE
                    return Long.MAX_VALUE;
                }
            } else {
                // CorruptData?
                throw new com.ibm.dtfj.image.CorruptDataException(J9DDRDTFJUtils.newCorruptData(process, "Corrupt section encountered whilst calculating total heap size"));
            }
        }
    }
    return totalSizeOfAllHeaps;
}