Showing the changes to java/pkg/com/sun/tools/hat/internal/server/HistogramQuery.java (1 of 18352 files). Show all
Unified · Split
| @@ -0,0 +1,99 @@ | |||
| 1 | /* | ||
| 2 | * Copyright (c) 1997, 2008, Oracle and/or its affiliates. All rights reserved. | ||
| 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | ||
| 4 | * | ||
| 5 | * This code is free software; you can redistribute it and/or modify it | ||
| 6 | * under the terms of the GNU General Public License version 2 only, as | ||
| 7 | * published by the Free Software Foundation. Oracle designates this | ||
| 8 | * particular file as subject to the "Classpath" exception as provided | ||
| 9 | * by Oracle in the LICENSE file that accompanied this code. | ||
| 10 | * | ||
| 11 | * This code is distributed in the hope that it will be useful, but WITHOUT | ||
| 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
| 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | ||
| 14 | * version 2 for more details (a copy is included in the LICENSE file that | ||
| 15 | * accompanied this code). | ||
| 16 | * | ||
| 17 | * You should have received a copy of the GNU General Public License version | ||
| 18 | * 2 along with this work; if not, write to the Free Software Foundation, | ||
| 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | ||
| 20 | * | ||
| 21 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | ||
| 22 | * or visit www.oracle.com if you need additional information or have any | ||
| 23 | * questions. | ||
| 24 | */ | ||
| 25 | |||
| 26 | |||
| 27 | /* | ||
| 28 | * The Original Code is HAT. The Initial Developer of the | ||
| 29 | * Original Code is Bill Foote, with contributions from others | ||
| 30 | * at JavaSoft/Sun. | ||
| 31 | */ | ||
| 32 | |||
| 33 | package com.sun.tools.hat.internal.server; | ||
| 34 | |||
| 35 | import com.sun.tools.hat.internal.model.JavaClass; | ||
| 36 | import java.util.Arrays; | ||
| 37 | import java.util.Comparator; | ||
| 38 | |||
| 39 | /** | ||
| 40 | * Prints histogram sortable by class name, count and size. | ||
| 41 | * | ||
| 42 | */ | ||
| 43 | public class HistogramQuery extends QueryHandler { | ||
| 44 | public void run() { | ||
| 45 | JavaClass[] classes = snapshot.getClassesArray(); | ||
| 46 | Comparator<JavaClass> comparator; | ||
| 47 | if (query.equals("count")) { | ||
| 48 | comparator = new Comparator<JavaClass>() { | ||
| 49 | public int compare(JavaClass first, JavaClass second) { | ||
| 50 | long diff = (second.getInstancesCount(false) - | ||
| 51 | first.getInstancesCount(false)); | ||
| 52 | return (diff == 0)? 0: ((diff < 0)? -1 : + 1); | ||
| 53 | } | ||
| 54 | }; | ||
| 55 | } else if (query.equals("class")) { | ||
| 56 | comparator = new Comparator<JavaClass>() { | ||
| 57 | public int compare(JavaClass first, JavaClass second) { | ||
| 58 | return first.getName().compareTo(second.getName()); | ||
| 59 | } | ||
| 60 | }; | ||
| 61 | } else { | ||
| 62 | // default sort is by total size | ||
| 63 | comparator = new Comparator<JavaClass>() { | ||
| 64 | public int compare(JavaClass first, JavaClass second) { | ||
| 65 | long diff = (second.getTotalInstanceSize() - | ||
| 66 | first.getTotalInstanceSize()); | ||
| 67 | return (diff == 0)? 0: ((diff < 0)? -1 : + 1); | ||
| 68 | } | ||
| 69 | }; | ||
| 70 | } | ||
| 71 | Arrays.sort(classes, comparator); | ||
| 72 | |||
| 73 | startHtml("Heap Histogram"); | ||
| 74 | |||
| 75 | out.println("<p align='center'>"); | ||
| 76 | out.println("<b><a href='/'>All Classes (excluding platform)</a></b>"); | ||
| 77 | out.println("</p>"); | ||
| 78 | |||
| 79 | out.println("<table align=center border=1>"); | ||
| 80 | out.println("<tr><th><a href='/histo/class'>Class</a></th>"); | ||
| 81 | out.println("<th><a href='/histo/count'>Instance Count</a></th>"); | ||
| 82 | out.println("<th><a href='/histo/size'>Total Size</a></th></tr>"); | ||
| 83 | for (int i = 0; i < classes.length; i++) { | ||
| 84 | JavaClass clazz = classes[i]; | ||
| 85 | out.println("<tr><td>"); | ||
| 86 | printClass(clazz); | ||
| 87 | out.println("</td>"); | ||
| 88 | out.println("<td>"); | ||
| 89 | out.println(clazz.getInstancesCount(false)); | ||
| 90 | out.println("</td>"); | ||
| 91 | out.println("<td>"); | ||
| 92 | out.println(clazz.getTotalInstanceSize()); | ||
| 93 | out.println("</td></tr>"); | ||
| 94 | } | ||
| 95 | out.println("</table>"); | ||
| 96 | |||
| 97 | endHtml(); | ||
| 98 | } | ||
| 99 | } | ||