/*
* Copyright (c) 2004, 2013, 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. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* 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
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*/
package sun.tools.jconsole;
import java.awt.*;
import java.awt.event.*;
import java.io.*;
import java.lang.management.*;
import java.lang.reflect.*;
import java.util.*;
import java.util.concurrent.*;
import javax.accessibility.*;
import javax.management.*;
import javax.management.openmbean.CompositeData;
import javax.swing.*;
import javax.swing.border.*;
import static sun.tools.jconsole.Formatter.*;
import static sun.tools.jconsole.Utilities.*;
@SuppressWarnings("serial")
class MemoryTab extends Tab implements ActionListener, ItemListener {
JComboBox<Plotter> plotterChoice;
TimeComboBox timeComboBox;
JButton gcButton;
PlotterPanel plotterPanel;
JPanel bottomPanel;
HTMLPane details;
PoolChart poolChart;
ArrayList<Plotter> plotterList;
Plotter heapPlotter, nonHeapPlotter;
private MemoryOverviewPanel overviewPanel;
private static final String usedKey = "used";
private static final String committedKey = "committed";
private static final String maxKey = "max";
private static final String thresholdKey = "threshold";
private static final Color usedColor = Plotter.defaultColor;
private static final Color committedColor = null;
private static final Color maxColor = null;
private static final Color thresholdColor = Color.red;
/*
Hierarchy of panels and layouts for this tab:
MemoryTab (BorderLayout)
North: topPanel (BorderLayout)
Center: controlPanel (FlowLayout)
plotterChoice, timeComboBox
East: topRightPanel (FlowLayout)
gcButton
Center: plotterPanel
Center: plotter
South: bottomPanel (BorderLayout)
Center: details
East: poolChart
*/
public static String getTabName() {
return Messages.MEMORY;
}
public MemoryTab(VMPanel vmPanel) {
super(vmPanel, getTabName());
setLayout(new BorderLayout(0, 0));
setBorder(new EmptyBorder(4, 4, 3, 4));
JPanel topPanel = new JPanel(new BorderLayout());
plotterPanel = new PlotterPanel(null);
bottomPanel = new JPanel(new BorderLayout());
add(topPanel, BorderLayout.NORTH);
add(plotterPanel, BorderLayout.CENTER);
JPanel controlPanel = new JPanel(new FlowLayout(FlowLayout.LEADING, 20, 5));
topPanel.add(controlPanel, BorderLayout.CENTER);
// Plotter choice
plotterChoice = new JComboBox<Plotter>();
plotterChoice.addItemListener(this);
controlPanel.add(new LabeledComponent(Messages.CHART_COLON,
Resources.getMnemonicInt(Messages.CHART_COLON),
plotterChoice));
// Range control
timeComboBox = new TimeComboBox();
controlPanel.add(new LabeledComponent(Messages.TIME_RANGE_COLON,
Resources.getMnemonicInt(Messages.TIME_RANGE_COLON),
timeComboBox));
gcButton = new JButton(Messages.PERFORM_GC);
gcButton.setMnemonic(Resources.getMnemonicInt(Messages.PERFORM_GC));
gcButton.addActionListener(this);
gcButton.setToolTipText(Messages.PERFORM_GC_TOOLTIP);
JPanel topRightPanel = new JPanel();
topRightPanel.setBorder(new EmptyBorder(0, 65-8, 0, 70));
topRightPanel.add(gcButton);
topPanel.add(topRightPanel, BorderLayout.AFTER_LINE_ENDS);
bottomPanel.setBorder(new CompoundBorder(new TitledBorder(Messages.DETAILS),
new EmptyBorder(10, 10, 10, 10)));
details = new HTMLPane();
setAccessibleName(details, Messages.DETAILS);
bottomPanel.add(new JScrollPane(details), BorderLayout.CENTER);
poolChart = new PoolChart();
bottomPanel.add(poolChart, BorderLayout.AFTER_LINE_ENDS);
}
private void createPlotters() throws IOException {
plotterList = new ArrayList<Plotter>();
ProxyClient proxyClient = vmPanel.getProxyClient();
heapPlotter = new Plotter(Plotter.Unit.BYTES) {
public String toString() {
return Messages.HEAP_MEMORY_USAGE;
}
};
proxyClient.addWeakPropertyChangeListener(heapPlotter);
nonHeapPlotter = new Plotter(Plotter.Unit.BYTES) {
public String toString() {
return Messages.NON_HEAP_MEMORY_USAGE;
}
};
setAccessibleName(heapPlotter,
Messages.MEMORY_TAB_HEAP_PLOTTER_ACCESSIBLE_NAME);
setAccessibleName(nonHeapPlotter,
Messages.MEMORY_TAB_NON_HEAP_PLOTTER_ACCESSIBLE_NAME);
proxyClient.addWeakPropertyChangeListener(nonHeapPlotter);
heapPlotter.createSequence(usedKey, Messages.USED, usedColor, true);
heapPlotter.createSequence(committedKey, Messages.COMMITTED, committedColor, false);
heapPlotter.createSequence(maxKey, Messages.MAX, maxColor, false);
nonHeapPlotter.createSequence(usedKey, Messages.USED, usedColor, true);
nonHeapPlotter.createSequence(committedKey, Messages.COMMITTED, committedColor, false);
nonHeapPlotter.createSequence(maxKey, Messages.MAX, maxColor, false);
plotterList.add(heapPlotter);
plotterList.add(nonHeapPlotter);
// Now add memory pools
Map<ObjectName, MBeanInfo> mBeanMap = proxyClient.getMBeans("java.lang");
Set<ObjectName> keys = mBeanMap.keySet();
ObjectName[] objectNames = keys.toArray(new ObjectName[keys.size()]);
ArrayList<PoolPlotter> nonHeapPlotters = new ArrayList<PoolPlotter>(2);
for (ObjectName objectName : objectNames) {
String type = objectName.getKeyProperty("type");
if (type.equals("MemoryPool")) {
String name = Resources.format(Messages.MEMORY_POOL_LABEL,
objectName.getKeyProperty("name"));
// Heap or non-heap?
boolean isHeap = false;
AttributeList al =
proxyClient.getAttributes(objectName,
new String[] { "Type" });
if (al.size() > 0) {
isHeap = MemoryType.HEAP.name().equals(((Attribute)al.get(0)).getValue());
}
PoolPlotter poolPlotter = new PoolPlotter(objectName, name, isHeap);
proxyClient.addWeakPropertyChangeListener(poolPlotter);
poolPlotter.createSequence(usedKey, Messages.USED, usedColor, true);
poolPlotter.createSequence(committedKey, Messages.COMMITTED, committedColor, false);
poolPlotter.createSequence(maxKey, Messages.MAX, maxColor, false);
poolPlotter.createSequence(thresholdKey, Messages.THRESHOLD, thresholdColor, false);
poolPlotter.setUseDashedTransitions(thresholdKey, true);
if (isHeap) {
plotterList.add(poolPlotter);
} else {
// Will be added to plotterList below
nonHeapPlotters.add(poolPlotter);
}
}
}
// Add non-heap plotters last
for (PoolPlotter poolPlotter : nonHeapPlotters) {
plotterList.add(poolPlotter);
}
}
public void itemStateChanged(ItemEvent ev) {
if (ev.getStateChange() == ItemEvent.SELECTED) {
Plotter plotter = (Plotter)plotterChoice.getSelectedItem();
plotterPanel.setPlotter(plotter);
plotterPanel.repaint();
}
}
public void gc() {
new Thread("MemoryPanel.gc") {
public void run() {
ProxyClient proxyClient = vmPanel.getProxyClient();
try {
proxyClient.getMemoryMXBean().gc();
} catch (UndeclaredThrowableException e) {
proxyClient.markAsDead();
} catch (IOException e) {
// Ignore
}
}
}.start();
}
public SwingWorker<?, ?> newSwingWorker() {
return new SwingWorker<Boolean, Object>() {
private long[] used, committed, max, threshold;
private long timeStamp;
private String detailsStr;
private boolean initialRun = false;
public Boolean doInBackground() {
ProxyClient proxyClient = vmPanel.getProxyClient();
if (plotterList == null) {
try {
createPlotters();
} catch (UndeclaredThrowableException e) {
proxyClient.markAsDead();
return false;
} catch (final IOException ex) {
return false;
}
initialRun = true;
}
int n = plotterList.size();
used = new long[n];
committed = new long[n];
max = new long[n];
threshold = new long[n];
timeStamp = System.currentTimeMillis();
for (int i = 0; i < n; i++) {
Plotter plotter = plotterList.get(i);
MemoryUsage mu = null;
used[i] = -1L;
threshold[i] = -1L;
try {
if (plotter instanceof PoolPlotter) {
PoolPlotter poolPlotter = (PoolPlotter)plotter;
ObjectName objectName = poolPlotter.objectName;
AttributeList al =
proxyClient.getAttributes(objectName,
new String[] { "Usage", "UsageThreshold" });
if (al.size() > 0) {
CompositeData cd = (CompositeData)((Attribute)al.get(0)).getValue();
mu = MemoryUsage.from(cd);
if (al.size() > 1) {
threshold[i] = (Long)((Attribute)al.get(1)).getValue();
}
}
} else if (plotter == heapPlotter) {
mu = proxyClient.getMemoryMXBean().getHeapMemoryUsage();
} else if (plotter == nonHeapPlotter) {
mu = proxyClient.getMemoryMXBean().getNonHeapMemoryUsage();
}
} catch (UndeclaredThrowableException e) {
proxyClient.markAsDead();
return false;
} catch (IOException ex) {
// Skip this plotter
}
if (mu != null) {
used[i] = mu.getUsed();
committed[i] = mu.getCommitted();
max[i] = mu.getMax();
}
}
detailsStr = formatDetails();
return true;
}
protected void done() {
try {
if (!get()) {
return;
}
} catch (InterruptedException ex) {
return;
} catch (ExecutionException ex) {
if (JConsole.isDebug()) {
ex.printStackTrace();
}
return;
}
if (initialRun) {
// Add Memory Pools
for (Plotter p : plotterList) {
plotterChoice.addItem(p);
timeComboBox.addPlotter(p);
}
add(bottomPanel, BorderLayout.SOUTH);
}
int n = plotterList.size();
int poolCount = 0;
for (int i = 0; i < n; i++) {
Plotter plotter = plotterList.get(i);
if (used[i] >= 0L) {
if (plotter instanceof PoolPlotter) {
plotter.addValues(timeStamp, used[i], committed[i], max[i], threshold[i]);
if (threshold[i] > 0L) {
plotter.setIsPlotted(thresholdKey, true);
}
poolChart.setValue(poolCount++, (PoolPlotter)plotter,
used[i], threshold[i], max[i]);
} else {
plotter.addValues(timeStamp, used[i], committed[i], max[i]);
}
if (plotter == heapPlotter && overviewPanel != null) {
overviewPanel.getPlotter().addValues(timeStamp, used[i]);
overviewPanel.updateMemoryInfo(used[i], committed[i], max[i]);
}
}
}
details.setText(detailsStr);
}
};
}
private String formatDetails() {
ProxyClient proxyClient = vmPanel.getProxyClient();
if (proxyClient.isDead()) {
return "";
}
String text = "<table cellspacing=0 cellpadding=0>";
Plotter plotter = (Plotter)plotterChoice.getSelectedItem();
if (plotter == null) {
return "";
}
//long time = plotter.getLastTimeStamp();
long time = System.currentTimeMillis();
String timeStamp = formatDateTime(time);
text += newRow(Messages.TIME, timeStamp);
long used = plotter.getLastValue(usedKey);
long committed = plotter.getLastValue(committedKey);
long max = plotter.getLastValue(maxKey);
long threshold = plotter.getLastValue(thresholdKey);
text += newRow(Messages.USED, formatKBytes(used));
if (committed > 0L) {
text += newRow(Messages.COMMITTED, formatKBytes(committed));
}
if (max > 0L) {
text += newRow(Messages.MAX, formatKBytes(max));
}
if (threshold > 0L) {
text += newRow(Messages.USAGE_THRESHOLD, formatKBytes(threshold));
}
try {
Collection<GarbageCollectorMXBean> garbageCollectors =
proxyClient.getGarbageCollectorMXBeans();
boolean descPrinted = false;
for (GarbageCollectorMXBean garbageCollectorMBean : garbageCollectors) {
String gcName = garbageCollectorMBean.getName();
long gcCount = garbageCollectorMBean.getCollectionCount();
long gcTime = garbageCollectorMBean.getCollectionTime();
String str = Resources.format(Messages.GC_TIME_DETAILS, justify(formatTime(gcTime), 14),
gcName,
String.format("%,d",gcCount));
if (!descPrinted) {
text += newRow(Messages.GC_TIME, str);
descPrinted = true;
} else {
text += newRow(null, str);
}
}
} catch (IOException e) {
}
return text;
}
public void actionPerformed(ActionEvent ev) {
Object src = ev.getSource();
if (src == gcButton) {
gc();
}
}
private class PoolPlotter extends Plotter {
ObjectName objectName;
String name;
boolean isHeap;
long value, threshold, max;
int barX;
public PoolPlotter(ObjectName objectName, String name, boolean isHeap) {
super(Plotter.Unit.BYTES);
this.objectName = objectName;
this.name = name;
this.isHeap = isHeap;
setAccessibleName(this,
Resources.format(Messages.MEMORY_TAB_POOL_PLOTTER_ACCESSIBLE_NAME,
name));
}
public String toString() {
return name;
}
}
private class PoolChart extends BorderedComponent
implements Accessible, MouseListener {
final int height = 150;
final int leftMargin = 50;
final int rightMargin = 23;
final int bottomMargin = 35;
final int barWidth = 22;
final int barGap = 3;
final int groupGap = 8;
final int barHeight = height * 2 / 3;
final Color greenBar = new Color(100, 255, 100);
final Color greenBarBackground = new Color(210, 255, 210);
final Color redBarBackground = new Color(255, 210, 210);
Font smallFont = null;
ArrayList<PoolPlotter> poolPlotters = new ArrayList<PoolPlotter>(5);
int nHeapPools = 0;
int nNonHeapPools = 0;
Rectangle heapRect = new Rectangle(leftMargin, height - bottomMargin + 6, barWidth, 20);
Rectangle nonHeapRect = new Rectangle(leftMargin + groupGap, height - bottomMargin + 6, barWidth, 20);
public PoolChart() {
super(null, null);
setFocusable(true);
addMouseListener(this);
ToolTipManager.sharedInstance().registerComponent(this);
}
public void setValue(int poolIndex, PoolPlotter poolPlotter,
long value, long threshold, long max) {
poolPlotter.value = value;
poolPlotter.threshold = threshold;
poolPlotter.max = max;
if (poolIndex == poolPlotters.size()) {
poolPlotters.add(poolPlotter);
if (poolPlotter.isHeap) {
poolPlotter.barX = nHeapPools * (barWidth + barGap);
nHeapPools++;
heapRect.width = nHeapPools * barWidth + (nHeapPools - 1) * barGap;
nonHeapRect.x = leftMargin + heapRect.width + groupGap;
} else {
poolPlotter.barX = nonHeapRect.x - leftMargin + nNonHeapPools * (barWidth + barGap);
nNonHeapPools++;
nonHeapRect.width = nNonHeapPools * barWidth + (nNonHeapPools - 1) * barGap;
}
} else {
poolPlotters.set(poolIndex, poolPlotter);
}
repaint();
}
private void paintPoolBar(Graphics g, PoolPlotter poolPlotter) {
Rectangle barRect = getBarRect(poolPlotter);
g.setColor(Color.gray);
g.drawRect(barRect.x, barRect.y, barRect.width, barRect.height);
long value = poolPlotter.value;
long max = poolPlotter.max;
if (max > 0L) {
g.translate(barRect.x, barRect.y);
// Paint green background
g.setColor(greenBarBackground);
g.fillRect(1, 1, barRect.width - 1, barRect.height - 1);
int greenHeight = (int)(value * barRect.height / max);
long threshold = poolPlotter.threshold;
if (threshold > 0L) {
int redHeight = (int)(threshold * barRect.height / max);
// Paint red background
g.setColor(redBarBackground);
g.fillRect(1, 1, barRect.width - 1, barRect.height - redHeight);
if (value > threshold) {
// Over threshold, paint red bar
g.setColor(thresholdColor);
g.fillRect(1, barRect.height - greenHeight,
barRect.width - 1, greenHeight - redHeight);
greenHeight = redHeight;
}
}
// Paint green bar
g.setColor(greenBar);
g.fillRect(1, barRect.height - greenHeight,
barRect.width - 1, greenHeight);
g.translate(-barRect.x, -barRect.y);
}
}
public void paintComponent(Graphics g) {
super.paintComponent(g);
if (poolPlotters.size() == 0) {
return;
}
if (smallFont == null) {
smallFont = g.getFont().deriveFont(9.0F);
}
// Paint background for chart area
g.setColor(getBackground());
Rectangle r = g.getClipBounds();
g.fillRect(r.x, r.y, r.width, r.height);
g.setFont(smallFont);
FontMetrics fm = g.getFontMetrics();
int fontDescent = fm.getDescent();
// Paint percentage axis
g.setColor(getForeground());
for (int pc : new int[] { 0, 25, 50, 75, 100 }) {
String str = pc + "% --";
g.drawString(str,
leftMargin - fm.stringWidth(str) - 4,
height - bottomMargin - (pc * barHeight / 100) + fontDescent + 1);
}
for (PoolPlotter poolPlotter : poolPlotters) {
paintPoolBar(g, poolPlotter);
}
g.setColor(Color.gray);
g.drawRect(heapRect.x, heapRect.y, heapRect.width, heapRect.height);
g.drawRect(nonHeapRect.x, nonHeapRect.y, nonHeapRect.width, nonHeapRect.height);
Color heapColor = greenBar;
Color nonHeapColor = greenBar;
for (PoolPlotter poolPlotter : poolPlotters) {
if (poolPlotter.threshold > 0L && poolPlotter.value > poolPlotter.threshold) {
if (poolPlotter.isHeap) {
heapColor = thresholdColor;
} else {
nonHeapColor = thresholdColor;
}
}
}
g.setColor(heapColor);
g.fillRect(heapRect.x + 1, heapRect.y + 1, heapRect.width - 1, heapRect.height - 1);
g.setColor(nonHeapColor);
g.fillRect(nonHeapRect.x + 1, nonHeapRect.y + 1, nonHeapRect.width - 1, nonHeapRect.height - 1);
String str = Messages.HEAP;
int stringWidth = fm.stringWidth(str);
int x = heapRect.x + (heapRect.width - stringWidth) / 2;
int y = heapRect.y + heapRect.height - 6;
g.setColor(Color.white);
g.drawString(str, x-1, y-1);
g.drawString(str, x+1, y-1);
g.drawString(str, x-1, y+1);
g.drawString(str, x+1, y+1);
g.setColor(Color.black);
g.drawString(str, x, y);
str = Messages.NON_HEAP;
stringWidth = fm.stringWidth(str);
x = nonHeapRect.x + (nonHeapRect.width - stringWidth) / 2;
y = nonHeapRect.y + nonHeapRect.height - 6;
g.setColor(Color.white);
g.drawString(str, x-1, y-1);
g.drawString(str, x+1, y-1);
g.drawString(str, x-1, y+1);
g.drawString(str, x+1, y+1);
g.setColor(Color.black);
g.drawString(str, x, y);
// Highlight current plotter
g.setColor(Color.blue);
r = null;
Plotter plotter = (Plotter)plotterChoice.getSelectedItem();
if (plotter == heapPlotter) {
r = heapRect;
} else if (plotter == nonHeapPlotter) {
r = nonHeapRect;
} else if (plotter instanceof PoolPlotter) {
r = getBarRect((PoolPlotter)plotter);
}
if (r != null) {
g.drawRect(r.x - 1, r.y - 1, r.width + 2, r.height + 2);
}
}
private Rectangle getBarRect(PoolPlotter poolPlotter) {
return new Rectangle(leftMargin + poolPlotter.barX,
height - bottomMargin - barHeight,
barWidth, barHeight);
}
public Dimension getPreferredSize() {
return new Dimension(nonHeapRect.x + nonHeapRect.width + rightMargin,
height);
}
public void mouseClicked(MouseEvent e) {
requestFocusInWindow();
Plotter plotter = getPlotter(e);
if (plotter != null && plotter != plotterChoice.getSelectedItem()) {
plotterChoice.setSelectedItem(plotter);
repaint();
}
}
public String getToolTipText(MouseEvent e) {
Plotter plotter = getPlotter(e);
return (plotter != null) ? plotter.toString() : null;
}
private Plotter getPlotter(MouseEvent e) {
Point p = e.getPoint();
Plotter plotter = null;
if (heapRect.contains(p)) {
plotter = heapPlotter;
} else if (nonHeapRect.contains(p)) {
plotter = nonHeapPlotter;
} else {
for (PoolPlotter poolPlotter : poolPlotters) {
if (getBarRect(poolPlotter).contains(p)) {
plotter = poolPlotter;
break;
}
}
}
return plotter;
}
public void mousePressed(MouseEvent e) {}
public void mouseReleased(MouseEvent e) {}
public void mouseEntered(MouseEvent e) {}
public void mouseExited(MouseEvent e) {}
public AccessibleContext getAccessibleContext() {
if (accessibleContext == null) {
accessibleContext = new AccessiblePoolChart();
}
return accessibleContext;
}
protected class AccessiblePoolChart extends AccessibleJPanel {
public String getAccessibleName() {
String name = Messages.MEMORY_TAB_POOL_CHART_ACCESSIBLE_NAME;
String keyValueList = "";
for (PoolPlotter poolPlotter : poolPlotters) {
String value = (poolPlotter.value * 100 / poolPlotter.max) + "%";
// Assume format string ends with newline
keyValueList +=
Resources.format(Messages.PLOTTER_ACCESSIBLE_NAME_KEY_AND_VALUE,
poolPlotter.toString(), value);
if (poolPlotter.threshold > 0L) {
String threshold =
(poolPlotter.threshold * 100 / poolPlotter.max) + "%";
if (poolPlotter.value > poolPlotter.threshold) {
keyValueList +=
Resources.format(Messages.MEMORY_TAB_POOL_CHART_ABOVE_THRESHOLD,
threshold);
} else {
keyValueList +=
Resources.format(Messages.MEMORY_TAB_POOL_CHART_BELOW_THRESHOLD,
threshold);
}
}
}
return name + "\n" + keyValueList + ".";
}
}
}
OverviewPanel[] getOverviewPanels() {
if (overviewPanel == null) {
overviewPanel = new MemoryOverviewPanel();
}
return new OverviewPanel[] { overviewPanel };
}
private static class MemoryOverviewPanel extends OverviewPanel {
MemoryOverviewPanel() {
super(Messages.HEAP_MEMORY_USAGE, usedKey, Messages.USED, Plotter.Unit.BYTES);
}
private void updateMemoryInfo(long used, long committed, long max) {
getInfoLabel().setText(Resources.format(Messages.MEMORY_TAB_INFO_LABEL_FORMAT,
formatBytes(used, true),
formatBytes(committed, true),
formatBytes(max, true)));
}
}
}