Mercurial > hg > truffle
view agent/src/share/classes/sun/jvm/hotspot/bugspot/ThreadListPanel.java @ 3945:8ed53447f690
Merge
author | iveresov |
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date | Thu, 15 Sep 2011 12:44:09 -0700 |
parents | c18cbe5936b8 |
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/* * Copyright (c) 2001, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. * */ package sun.jvm.hotspot.bugspot; import java.awt.*; import java.awt.event.*; import java.util.*; import javax.swing.*; import javax.swing.table.*; import sun.jvm.hotspot.debugger.*; import sun.jvm.hotspot.debugger.cdbg.*; import sun.jvm.hotspot.runtime.*; import sun.jvm.hotspot.ui.*; // NOTE: this class was not placed in sun.jvm.hotspot.ui to prevent // mixing components designed for C and C++ debugging with the ones // that work with the core serviceability agent functionality (which // does not require that the CDebugger interface be implemented). /** The ThreadListPanel is used for C and C++ debugging and can visualize all threads in the target process. The caller passes in a CDebugger attached to the target process and can request that JavaThreads' associations with these underlying threads be displayed; this option is only valid when attached to a HotSpot JVM and when the {@link sun.jvm.hotspot.runtime.VM} has been initialized. */ public class ThreadListPanel extends JPanel { /** Listener which can be added to receive "Set Focus" events */ public static interface Listener { /** ThreadProxy will always be provided; JavaThread will only be present if displayJavaThreads was specified in the constructor for the panel and the thread was a JavaThread. */ public void setFocus(ThreadProxy thread, JavaThread jthread); } static class ThreadInfo { private ThreadProxy thread; // Distinguish between PC == null and no top frame private boolean gotPC; private Address pc; private String location; private JavaThread javaThread; private String javaThreadName; public ThreadInfo(ThreadProxy thread, CDebugger dbg, JavaThread jthread) { this.thread = thread; this.location = "<unknown>"; CFrame fr = dbg.topFrameForThread(thread); if (fr != null) { gotPC = true; pc = fr.pc(); PCFinder.Info info = PCFinder.findPC(pc, fr.loadObjectForPC(), dbg); if (info.getName() != null) { location = info.getName(); if (info.getConfidence() == PCFinder.LOW_CONFIDENCE) { location = location + " (?)"; } if (info.getOffset() < 0) { location = location + " + 0x" + Long.toHexString(info.getOffset()); } } } if (jthread != null) { javaThread = jthread; javaThreadName = jthread.getThreadName(); } } public ThreadProxy getThread() { return thread; } public boolean hasPC() { return gotPC; } public Address getPC() { return pc; } public String getLocation() { return location; } public boolean isJavaThread() { return (javaThread != null); } public JavaThread getJavaThread() { return javaThread; } public String getJavaThreadName() { return javaThreadName; } } // List<ThreadInfo> private java.util.List threadList; private JTable table; private AbstractTableModel dataModel; // List<Listener> private java.util.List listeners; /** Takes a CDebugger from which the thread list is queried. displayJavaThreads must only be set to true if the debugger is attached to a HotSpot JVM and if the VM has already been initialized. */ public ThreadListPanel(CDebugger dbg, final boolean displayJavaThreads) { super(); Map threadToJavaThreadMap = null; if (displayJavaThreads) { // Collect Java threads from virtual machine and insert them in // table for later querying threadToJavaThreadMap = new HashMap(); Threads threads = VM.getVM().getThreads(); for (JavaThread thr = threads.first(); thr != null; thr = thr.next()) { threadToJavaThreadMap.put(thr.getThreadProxy(), thr); } } java.util.List/*<ThreadProxy>*/ threads = dbg.getThreadList(); threadList = new ArrayList(threads.size()); for (Iterator iter = threads.iterator(); iter.hasNext(); ) { ThreadProxy thr = (ThreadProxy) iter.next(); JavaThread jthr = null; if (displayJavaThreads) { jthr = (JavaThread) threadToJavaThreadMap.get(thr); } threadList.add(new ThreadInfo(thr, dbg, jthr)); } // Thread ID, current PC, current symbol, Java Thread, [Java thread name] dataModel = new AbstractTableModel() { public int getColumnCount() { return (displayJavaThreads ? 5 : 3); } public int getRowCount() { return threadList.size(); } public String getColumnName(int col) { switch (col) { case 0: return "Thread ID"; case 1: return "PC"; case 2: return "Location"; case 3: return "Java?"; case 4: return "Java Thread Name"; default: throw new RuntimeException("Index " + col + " out of bounds"); } } public Object getValueAt(int row, int col) { ThreadInfo info = (ThreadInfo) threadList.get(row); switch (col) { case 0: return info.getThread(); case 1: { if (info.hasPC()) { return info.getPC(); } return "<no frames on stack>"; } case 2: return info.getLocation(); case 3: if (info.isJavaThread()) { return "Yes"; } else { return ""; } case 4: if (info.isJavaThread()) { return info.getJavaThreadName(); } else { return ""; } default: throw new RuntimeException("Index (" + col + ", " + row + ") out of bounds"); } } }; // Build user interface setLayout(new BorderLayout()); table = new JTable(dataModel); table.setSelectionMode(ListSelectionModel.SINGLE_SELECTION); JTableHeader header = table.getTableHeader(); header.setReorderingAllowed(false); table.setRowSelectionAllowed(true); table.setColumnSelectionAllowed(false); JScrollPane scrollPane = new JScrollPane(table); add(scrollPane, BorderLayout.CENTER); if (threadList.size() > 0) { table.setRowSelectionInterval(0, 0); } JButton button = new JButton("Set Focus"); button.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { int i = table.getSelectedRow(); if (i < 0) { return; } ThreadInfo info = (ThreadInfo) threadList.get(i); for (Iterator iter = listeners.iterator(); iter.hasNext(); ) { ((Listener) iter.next()).setFocus(info.getThread(), info.getJavaThread()); } } }); JPanel focusPanel = new JPanel(); focusPanel.setBorder(BorderFactory.createEmptyBorder(0, 5, 0, 0)); focusPanel.setLayout(new BoxLayout(focusPanel, BoxLayout.Y_AXIS)); focusPanel.add(Box.createGlue()); focusPanel.add(button); focusPanel.add(Box.createGlue()); add(focusPanel, BorderLayout.EAST); // FIXME: make listener model for the debugger so if the user // specifies a mapfile for or path to a given DSO later we can // update our state } public void addListener(Listener l) { if (listeners == null) { listeners = new ArrayList(); } listeners.add(l); } }