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Example 16 with DDRInteractiveCommandException

use of com.ibm.j9ddr.tools.ddrinteractive.DDRInteractiveCommandException in project openj9 by eclipse.

the class DumpContendedLoadTable method run.

public void run(String command, String[] args, Context context, PrintStream out) throws DDRInteractiveCommandException {
    if (0 != args.length) {
        String argument = args[0];
        if (argument.equalsIgnoreCase("help")) {
            help(out);
            return;
        }
    }
    try {
        J9JavaVMPointer javaVM = J9RASHelper.getVM(DataType.getJ9RASPointer());
        J9HashTablePointer contTable = javaVM.contendedLoadTable();
        J9PoolPointer poolPtr = contTable.listNodePool();
        Pool<J9ContendedLoadTableEntryPointer> pool = Pool.fromJ9Pool(poolPtr, J9ContendedLoadTableEntryPointer.class);
        SlotIterator<J9ContendedLoadTableEntryPointer> poolIterator = pool.iterator();
        if (poolIterator.hasNext()) {
            out.println("Active class loads:");
            while (poolIterator.hasNext()) {
                J9ContendedLoadTableEntryPointer entryPointer = poolIterator.next();
                String ldStatus = loadingStatusValues.get(entryPointer.status().longValue());
                if (null == ldStatus) {
                    ldStatus = "ILLEGAL VALUE: " + entryPointer.status();
                }
                J9VMThreadPointer loadingThread = entryPointer.thread();
                out.print(String.format("\tClassname: %s;\n\t\tLoader:  %s; Loading thread: %s %s\n\t\tStatus: %s; Table entry hash 0x%X\n", entryPointer.className().getCStringAtOffset(0, entryPointer.classNameLength().longValue()), entryPointer.classLoader().formatShortInteractive(), J9VMThreadHelper.getName(loadingThread), loadingThread.formatShortInteractive(), ldStatus, entryPointer.hashValue().longValue()));
            }
            MonitorIterator iterator = new MonitorIterator(javaVM);
            while (iterator.hasNext()) {
                Object current = iterator.next();
                if (current instanceof J9ThreadMonitorPointer) {
                    // System Monitor
                    SystemMonitor monitor = SystemMonitor.fromJ9ThreadMonitor((J9ThreadMonitorPointer) current);
                    final String monitorName = monitor.getName();
                    if (monitorName.matches(".*VM class table.*")) {
                        List<J9ThreadPointer> waitingThreads = monitor.getWaitingThreads();
                        if (!waitingThreads.isEmpty()) {
                            out.print("Waiting threads:\n");
                            for (J9ThreadPointer tp : waitingThreads) {
                                J9VMThreadPointer vmThread = J9ThreadHelper.getVMThread(tp);
                                if (vmThread.notNull()) {
                                    out.print(String.format("\t%s\t%s\n", vmThread.formatShortInteractive(), J9VMThreadHelper.getName(vmThread)));
                                } else {
                                    out.print(String.format("\t%s\t%s\n", tp.formatShortInteractive(), "[osthread]"));
                                }
                            }
                        }
                        break;
                    }
                }
            }
        } else {
            out.println("No active class loads");
        }
    } catch (CorruptDataException e) {
        throw new DDRInteractiveCommandException(e);
    }
}
Also used : J9ThreadPointer(com.ibm.j9ddr.vm29.pointer.generated.J9ThreadPointer) DDRInteractiveCommandException(com.ibm.j9ddr.tools.ddrinteractive.DDRInteractiveCommandException) J9ThreadMonitorPointer(com.ibm.j9ddr.vm29.pointer.generated.J9ThreadMonitorPointer) CorruptDataException(com.ibm.j9ddr.CorruptDataException) J9HashTablePointer(com.ibm.j9ddr.vm29.pointer.generated.J9HashTablePointer) J9PoolPointer(com.ibm.j9ddr.vm29.pointer.generated.J9PoolPointer) MonitorIterator(com.ibm.j9ddr.vm29.j9.walkers.MonitorIterator) SystemMonitor(com.ibm.j9ddr.vm29.j9.SystemMonitor) J9ContendedLoadTableEntryPointer(com.ibm.j9ddr.vm29.pointer.generated.J9ContendedLoadTableEntryPointer) J9VMThreadPointer(com.ibm.j9ddr.vm29.pointer.generated.J9VMThreadPointer) J9JavaVMPointer(com.ibm.j9ddr.vm29.pointer.generated.J9JavaVMPointer)

Example 17 with DDRInteractiveCommandException

use of com.ibm.j9ddr.tools.ddrinteractive.DDRInteractiveCommandException in project openj9 by eclipse.

the class DumpRomClassCommand method run.

public void run(String command, String[] args, Context context, PrintStream out) throws DDRInteractiveCommandException {
    try {
        long maps = 0;
        if (args.length != 1 && args.length != 2) {
            printUsage(out);
            return;
        }
        if (args.length == 2 && args[1].equals("maps")) {
            maps |= J9BCTranslationData.BCT_DumpMaps;
        }
        if (J9BuildFlags.env_littleEndian) {
            maps |= J9BCTranslationData.BCT_LittleEndianOutput;
        } else {
            maps |= J9BCTranslationData.BCT_BigEndianOutput;
        }
        /* check for name:<name> */
        if (args[0].startsWith("name:")) {
            long hitCount = 0;
            String searchClassName = args[0].substring(args[0].indexOf(':') + 1);
            PatternString pattern = new PatternString(searchClassName);
            J9JavaVMPointer vm = J9RASHelper.getVM(DataType.getJ9RASPointer());
            ClassSegmentIterator iterator = new ClassSegmentIterator(vm.classMemorySegments());
            while (iterator.hasNext()) {
                J9ClassPointer classPointer = (J9ClassPointer) iterator.next();
                String javaName = J9ClassHelper.getJavaName(classPointer);
                if (pattern.isMatch(javaName)) {
                    hitCount++;
                    J9ROMClassPointer clazz = classPointer.romClass();
                    String hexString = clazz.getHexAddress();
                    out.println(String.format("ROMClass %1$s named %2$s\n", hexString, javaName));
                    J9BCUtil.j9bcutil_dumpRomClass(out, clazz, maps);
                }
            }
            out.println(String.format("Found %1$d class(es) with name %2$s\n", hitCount, searchClassName));
        } else {
            /* treat argument as address */
            long addr = CommandUtils.parsePointer(args[0], J9BuildFlags.env_data64);
            J9ROMClassPointer clazz = J9ROMClassPointer.cast(addr);
            J9BCUtil.j9bcutil_dumpRomClass(out, clazz, maps);
        }
    } catch (CorruptDataException e) {
        throw new DDRInteractiveCommandException(e);
    }
}
Also used : ClassSegmentIterator(com.ibm.j9ddr.vm29.j9.walkers.ClassSegmentIterator) PatternString(com.ibm.j9ddr.util.PatternString) J9ClassPointer(com.ibm.j9ddr.vm29.pointer.generated.J9ClassPointer) J9ROMClassPointer(com.ibm.j9ddr.vm29.pointer.generated.J9ROMClassPointer) DDRInteractiveCommandException(com.ibm.j9ddr.tools.ddrinteractive.DDRInteractiveCommandException) J9JavaVMPointer(com.ibm.j9ddr.vm29.pointer.generated.J9JavaVMPointer) PatternString(com.ibm.j9ddr.util.PatternString) CorruptDataException(com.ibm.j9ddr.CorruptDataException)

Example 18 with DDRInteractiveCommandException

use of com.ibm.j9ddr.tools.ddrinteractive.DDRInteractiveCommandException in project openj9 by eclipse.

the class DumpRomClassLinearCommand method run.

public void run(String command, String[] args, Context context, PrintStream out) throws DDRInteractiveCommandException {
    if (args.length == 0)
        throw new DDRInteractiveCommandException("This debug extension needs an address argument !dumpromclasslinear <addr>[,n]");
    String[] arguments = args[0].split(",");
    long addr = Long.decode(arguments[0]);
    long nestingThreshold;
    if (arguments.length > 1) {
        nestingThreshold = Long.decode(arguments[1]);
    } else {
        nestingThreshold = 1;
    }
    J9ROMClassPointer clazz = J9ROMClassPointer.cast(addr);
    try {
        // ROM Class 'org/apache/tomcat/util/buf/MessageBytes' at 0x0DCF9008:
        out.println(String.format("ROM Class '%s' at %s", J9UTF8Helper.stringValue(clazz.className()), clazz.getHexAddress()));
        ClassWalker classWalker = new RomClassWalker(clazz, context);
        new LinearDumper().gatherLayoutInfo(out, classWalker, nestingThreshold);
    } catch (CorruptDataException e) {
        throw new DDRInteractiveCommandException(e);
    }
}
Also used : J9ROMClassPointer(com.ibm.j9ddr.vm29.pointer.generated.J9ROMClassPointer) DDRInteractiveCommandException(com.ibm.j9ddr.tools.ddrinteractive.DDRInteractiveCommandException) LinearDumper(com.ibm.j9ddr.vm29.tools.ddrinteractive.LinearDumper) ClassWalker(com.ibm.j9ddr.vm29.tools.ddrinteractive.ClassWalker) RomClassWalker(com.ibm.j9ddr.vm29.tools.ddrinteractive.RomClassWalker) RomClassWalker(com.ibm.j9ddr.vm29.tools.ddrinteractive.RomClassWalker) CorruptDataException(com.ibm.j9ddr.CorruptDataException)

Example 19 with DDRInteractiveCommandException

use of com.ibm.j9ddr.tools.ddrinteractive.DDRInteractiveCommandException in project openj9 by eclipse.

the class DumpAllRegionsCommand method run.

public void run(String command, String[] args, Context context, PrintStream out) throws DDRInteractiveCommandException {
    boolean statsRequested = false;
    boolean skipReport = false;
    if (0 != args.length) {
        String argument = args[0];
        if (argument.equalsIgnoreCase("help")) {
            help(out);
            return;
        }
        statsRequested = argument.equalsIgnoreCase("stats");
        skipReport = statsRequested;
    }
    try {
        GCHeapRegionIterator gcHeapRegionIterator = GCHeapRegionIterator.from();
        int[] stats = new int[regionTypesString.length];
        int total = 0;
        String header1, header2, header3;
        String footer;
        String formatString;
        String regionType;
        initializeStats(stats);
        if (J9BuildFlags.env_data64) {
            header1 = "+----------------+----------------+----------------+----------------+--------+----------------+----------------------\n";
            header2 = "|    region      |     start      |      end       |    subspace    | flags  |      size      |      region type     \n";
            header3 = "+----------------+----------------+----------------+----------------+--------+----------------+----------------------\n";
            formatString = " %016x %016x %016x %016x %08x %16x %s\n";
            footer = "+----------------+----------------+----------------+----------------+--------+----------------+----------------------\n";
        } else {
            header1 = "+--------+--------+--------+--------+--------+--------+----------------------\n";
            header2 = "| region | start  |  end   |subspace| flags  |  size  |      region type     \n";
            header3 = "+--------+--------+--------+--------+--------+--------+----------------------\n";
            formatString = " %08x %08x %08x %08x %08x %8x %s\n";
            footer = "+--------+--------+--------+--------+--------+--------+----------------------\n";
        }
        if (!skipReport) {
            out.append(header1);
            out.append(header2);
            out.append(header3);
        }
        while (gcHeapRegionIterator.hasNext()) {
            GCHeapRegionDescriptor heapRegionDescriptor = gcHeapRegionIterator.next();
            int index = (int) heapRegionDescriptor.getRegionType();
            total += 1;
            if (index < regionTypesString.length) {
                regionType = regionTypesString[index];
                stats[index] += 1;
            } else {
                regionType = "Unknown";
            }
            if (!skipReport) {
                out.append(String.format(formatString, heapRegionDescriptor.getHeapRegionDescriptorPointer().getAddress(), heapRegionDescriptor.getLowAddress().getAddress(), heapRegionDescriptor.getHighAddress().getAddress(), heapRegionDescriptor.getSubSpace().getAddress(), heapRegionDescriptor.getTypeFlags().longValue(), heapRegionDescriptor.getSize().longValue(), regionType));
            }
        }
        if (!skipReport) {
            out.append(footer);
        }
        if (statsRequested) {
            String formatStringStats = " \t%s: %d\n";
            for (int i = 0; i < regionTypesString.length; i++) {
                if (0 != stats[i]) {
                    out.append(String.format(formatStringStats, regionTypesString[i], stats[i]));
                }
            }
            out.append(String.format(formatStringStats, "++++ TOTAL", total));
        }
    } catch (CorruptDataException e) {
        throw new DDRInteractiveCommandException(e);
    }
}
Also used : GCHeapRegionDescriptor(com.ibm.j9ddr.vm29.j9.gc.GCHeapRegionDescriptor) GCHeapRegionIterator(com.ibm.j9ddr.vm29.j9.gc.GCHeapRegionIterator) DDRInteractiveCommandException(com.ibm.j9ddr.tools.ddrinteractive.DDRInteractiveCommandException) CorruptDataException(com.ibm.j9ddr.CorruptDataException)

Example 20 with DDRInteractiveCommandException

use of com.ibm.j9ddr.tools.ddrinteractive.DDRInteractiveCommandException in project openj9 by eclipse.

the class DumpAllRomClassLinearCommand method run.

public void run(String command, String[] args, Context context, PrintStream out) throws DDRInteractiveCommandException {
    long nestingThreashold;
    if (args.length > 1) {
        throw new DDRInteractiveCommandException("This debug extension accepts none or one argument!");
    } else if (args.length == 1) {
        nestingThreashold = Long.valueOf(args[0]);
    } else {
        nestingThreashold = 1;
    }
    try {
        J9JavaVMPointer vm = J9RASHelper.getVM(DataType.getJ9RASPointer());
        if (null != vm) {
            out.println();
            out.println("!j9javavm " + vm.getHexAddress());
        } else {
            throw new DDRInteractiveCommandException("Unable to find the VM in core dump!");
        }
        out.println();
        ROMClassesIterator iterator = new ROMClassesIterator(out, vm.classMemorySegments());
        while (iterator.hasNext()) {
            J9ROMClassPointer classPointer = iterator.next();
            out.println("!dumpromclasslinear " + classPointer.getHexAddress());
            // ROM Class 'org/apache/tomcat/util/buf/MessageBytes' at 0x0DCF9008:
            out.println(String.format("ROM Class '%s' at %s", J9UTF8Helper.stringValue(classPointer.className()), classPointer.getHexAddress()));
            out.println();
            ClassWalker classWalker = new RomClassWalker(classPointer, context);
            new LinearDumper().gatherLayoutInfo(out, classWalker, nestingThreashold);
            out.println();
        }
    } catch (CorruptDataException e1) {
        // TODO Auto-generated catch block
        e1.printStackTrace();
    }
}
Also used : ROMClassesIterator(com.ibm.j9ddr.vm29.j9.walkers.ROMClassesIterator) J9ROMClassPointer(com.ibm.j9ddr.vm29.pointer.generated.J9ROMClassPointer) DDRInteractiveCommandException(com.ibm.j9ddr.tools.ddrinteractive.DDRInteractiveCommandException) LinearDumper(com.ibm.j9ddr.vm29.tools.ddrinteractive.LinearDumper) J9JavaVMPointer(com.ibm.j9ddr.vm29.pointer.generated.J9JavaVMPointer) ClassWalker(com.ibm.j9ddr.vm29.tools.ddrinteractive.ClassWalker) RomClassWalker(com.ibm.j9ddr.vm29.tools.ddrinteractive.RomClassWalker) RomClassWalker(com.ibm.j9ddr.vm29.tools.ddrinteractive.RomClassWalker) CorruptDataException(com.ibm.j9ddr.CorruptDataException)

Aggregations

DDRInteractiveCommandException (com.ibm.j9ddr.tools.ddrinteractive.DDRInteractiveCommandException)86 CorruptDataException (com.ibm.j9ddr.CorruptDataException)81 J9JavaVMPointer (com.ibm.j9ddr.vm29.pointer.generated.J9JavaVMPointer)38 J9ClassPointer (com.ibm.j9ddr.vm29.pointer.generated.J9ClassPointer)16 J9ObjectPointer (com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer)16 J9VMThreadPointer (com.ibm.j9ddr.vm29.pointer.generated.J9VMThreadPointer)16 J9ROMClassPointer (com.ibm.j9ddr.vm29.pointer.generated.J9ROMClassPointer)11 ClassWalker (com.ibm.j9ddr.vm29.tools.ddrinteractive.ClassWalker)8 LinearDumper (com.ibm.j9ddr.vm29.tools.ddrinteractive.LinearDumper)8 ClassSegmentIterator (com.ibm.j9ddr.vm29.j9.walkers.ClassSegmentIterator)7 UDATAPointer (com.ibm.j9ddr.vm29.pointer.UDATAPointer)6 J9MethodPointer (com.ibm.j9ddr.vm29.pointer.generated.J9MethodPointer)6 J9PoolPointer (com.ibm.j9ddr.vm29.pointer.generated.J9PoolPointer)6 UDATA (com.ibm.j9ddr.vm29.types.UDATA)6 PatternString (com.ibm.j9ddr.util.PatternString)5 ROMClassesIterator (com.ibm.j9ddr.vm29.j9.walkers.ROMClassesIterator)5 VoidPointer (com.ibm.j9ddr.vm29.pointer.VoidPointer)5 RomClassWalker (com.ibm.j9ddr.vm29.tools.ddrinteractive.RomClassWalker)5 MonitorTable (com.ibm.j9ddr.vm29.j9.MonitorTable)4 MonitorTableListIterator (com.ibm.j9ddr.vm29.j9.MonitorTableListIterator)4