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

Example 21 with DataUnavailable

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

the class InfoThreadCommand method printThreadBlocker.

private void printThreadBlocker(JavaThread jt) {
    try {
        if ((jt.getState() & JavaThread.STATE_PARKED) != 0) {
            out.print("      parked on: ");
            // java.util.concurrent locks
            if (jt.getBlockingObject() == null) {
                out.print("<unknown>");
            } else {
                JavaObject jo = jt.getBlockingObject();
                String lockID = Long.toHexString(jo.getID().getAddress());
                out.print(jo.getJavaClass().getName() + "@0x" + lockID);
                String ownerThreadName = "<unknown>";
                String ownerThreadID = "<null>";
                out.print(" owner name: ");
                JavaThread lockOwnerThread = Utils.getParkBlockerOwner(jo, ctx.getRuntime());
                if (lockOwnerThread != null) {
                    ownerThreadName = lockOwnerThread.getName();
                    if (lockOwnerThread.getImageThread() != null) {
                        ownerThreadID = lockOwnerThread.getImageThread().getID();
                    }
                } else {
                    // If the owning thread has ended we won't find the JavaThread
                    // We can still get the owning thread name from the java.lang.Thread object itself.
                    // We won't get a thread id.
                    JavaObject lockOwnerObj = Utils.getParkBlockerOwnerObject(jo, ctx.getRuntime());
                    if (lockOwnerObj != null) {
                        ownerThreadName = Utils.getThreadNameFromObject(lockOwnerObj, ctx.getRuntime(), out);
                    }
                }
                out.print("\"" + ownerThreadName + "\"");
                out.print(" owner id: " + ownerThreadID);
            }
            out.print("\n");
        } else if ((jt.getState() & JavaThread.STATE_IN_OBJECT_WAIT) != 0) {
            out.print("      waiting to be notified on: ");
        } else if ((jt.getState() & JavaThread.STATE_BLOCKED_ON_MONITOR_ENTER) != 0) {
            out.print("      waiting to enter: ");
        }
        if ((jt.getState() & JavaThread.STATE_IN_OBJECT_WAIT) != 0 || (jt.getState() & JavaThread.STATE_BLOCKED_ON_MONITOR_ENTER) != 0) {
            // java monitors
            MonitorState ms = (MonitorState) monitors.get(jt);
            if (ms == null) {
                out.println("<monitor information not available>");
            } else {
                JavaObject jo = ms.getMonitor().getObject();
                if (null == jo) {
                    // working with a raw monitor
                    String name = ms.getMonitor().getName();
                    if (name.equals("")) {
                        name = "<unnamed>";
                    }
                    out.print("\"" + name + "\"");
                    out.print(" with ID ");
                    out.print(Utils.toHex(ms.getMonitor().getID().getAddress()));
                } else {
                    // working with a Java monitor
                    String lockID = Long.toHexString(jo.getID().getAddress());
                    out.print(jo.getJavaClass().getName() + "@0x" + lockID);
                }
                out.print(" owner name: ");
                if (ms.getMonitor().getOwner() != null) {
                    out.print("\"" + ms.getMonitor().getOwner().getName() + "\"");
                    if (ms.getMonitor().getOwner().getImageThread() != null) {
                        out.print(" owner id: " + ms.getMonitor().getOwner().getImageThread().getID());
                    }
                } else {
                    out.print("<unowned>");
                }
                out.print("\n");
            }
        }
    } catch (CorruptDataException cde) {
        out.print(Exceptions.getCorruptDataExceptionString());
        logger.log(Level.FINEST, Exceptions.getCorruptDataExceptionString(), cde);
    } catch (DataUnavailable e) {
        out.print(Exceptions.getDataUnavailableString());
        logger.log(Level.FINEST, Exceptions.getDataUnavailableString(), e);
    } catch (MemoryAccessException e) {
        out.print(Exceptions.getMemoryAccessExceptionString());
        logger.log(Level.FINEST, Exceptions.getMemoryAccessExceptionString(), e);
    }
}

Example 22 with DataUnavailable

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

the class InfoProcCommand method printJITOptions.

private void printJITOptions() {
    try {
        if (ctx.getRuntime().isJITEnabled()) {
            out.println("\t JIT was enabled for this runtime");
            Properties props = ctx.getRuntime().getJITProperties();
            StringBuilder options = new StringBuilder("\t ");
            for (Object key : props.keySet()) {
                options.append(" " + key + " " + props.get(key) + ",");
            }
            out.println(options.substring(0, options.length() - 1));
        } else {
            out.println("\t JIT was disabled for this runtime");
        }
    } catch (CorruptDataException e) {
        out.println("\t JIT options\n");
    } catch (DataUnavailable e) {
        out.println("\t JIT options not supported by this implementation of DTFJ");
    }
}

Example 23 with DataUnavailable

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

the class InfoProcCommand method printEnvironmentVariables.

private void printEnvironmentVariables() {
    ImageProcess ip = ctx.getProcess();
    out.print("\t Environment variables:");
    out.print("\n");
    Properties variables;
    try {
        variables = ip.getEnvironment();
    } catch (CorruptDataException e) {
        out.print("\t  " + Exceptions.getCorruptDataExceptionString() + "\n");
        return;
    } catch (DataUnavailable e) {
        out.print("\t  " + Exceptions.getDataUnavailableString() + "\n");
        return;
    }
    Enumeration<?> keys = variables.propertyNames();
    while (keys.hasMoreElements()) {
        String key = (String) keys.nextElement();
        printVariableInfo(key, variables.getProperty(key));
    }
}

Example 24 with DataUnavailable

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

the class InfoSymCommand method listModules.

private void listModules(String moduleName) {
    ImageProcess ip = ctx.getProcess();
    try {
        Object e = ip.getExecutable();
        if (e instanceof ImageModule) {
            ImageModule exe = (ImageModule) e;
            if (moduleName != null) {
                if (checkModuleName(exe.getName(), moduleName)) {
                    printModule(exe, true);
                }
            } else {
                printModule(exe, false);
            }
        } else if (e instanceof CorruptData) {
            CorruptData corruptObj = (CorruptData) e;
            // warn the user that this image library is corrupt
            out.print("\t  <corrupt executable encountered: " + corruptObj.toString() + ">\n\n");
        }
    } catch (DataUnavailable e) {
        out.println(Exceptions.getDataUnavailableString());
    } catch (CorruptDataException e) {
        out.println(Exceptions.getCorruptDataExceptionString());
    }
    Iterator iLibs;
    try {
        iLibs = ip.getLibraries();
    } catch (DataUnavailable du) {
        iLibs = null;
        out.println(Exceptions.getDataUnavailableString());
    } catch (CorruptDataException cde) {
        iLibs = null;
        out.println(Exceptions.getCorruptDataExceptionString());
    }
    // iterate through the libraries
    while (null != iLibs && iLibs.hasNext()) {
        Object next = iLibs.next();
        if (next instanceof ImageModule) {
            ImageModule mod = (ImageModule) next;
            String currentName = null;
            try {
                currentName = mod.getName();
            } catch (CorruptDataException e) {
                out.print("\t  <corrupt library name: " + mod.toString() + ">\n\n");
            }
            if (moduleName != null) {
                if (checkModuleName(currentName, moduleName)) {
                    printModule(mod, true);
                }
            } else {
                printModule(mod, false);
            }
        } else if (next instanceof CorruptData) {
            CorruptData corruptObj = (CorruptData) next;
            // warn the user that this image library is corrupt
            out.print("\t  <corrupt library encountered: " + corruptObj.toString() + ">\n\n");
        } else {
            // unexpected type in iterator
            out.print("\t  <corrupt library encountered>\n\n");
        }
    }
}

Example 25 with DataUnavailable

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

the class InfoLockCommand method showWaiters.

private void showWaiters(JavaMonitor jMonitor) throws CorruptDataException {
    // List any threads waiting on enter or notify for this monitor
    Iterator itEnterWaiter = jMonitor.getEnterWaiters();
    while (itEnterWaiter.hasNext()) {
        Object t = itEnterWaiter.next();
        if (!(t instanceof JavaThread)) {
            continue;
        }
        JavaThread jThread = (JavaThread) t;
        try {
            out.println("\twaiting thread id: " + jThread.getImageThread().getID() + " name: " + jThread.getName());
        } catch (DataUnavailable dae) {
            out.println("\twaiting thread id: <unknown>");
            logger.log(Level.FINE, Exceptions.getDataUnavailableString(), dae);
        }
    }
    Iterator itNotifyWaiter = jMonitor.getNotifyWaiters();
    while (itNotifyWaiter.hasNext()) {
        Object t = itNotifyWaiter.next();
        if (!(t instanceof JavaThread)) {
            continue;
        }
        JavaThread jThread = (JavaThread) t;
        try {
            out.println("\twaiting thread id: " + jThread.getImageThread().getID() + " name: " + jThread.getName());
        } catch (DataUnavailable dae) {
            out.println("\twaiting thread id: <unknown>");
            logger.log(Level.FINE, Exceptions.getDataUnavailableString(), dae);
        }
    }
}