Mercurial > hg > graal-jvmci-8
view agent/src/share/classes/sun/jvm/hotspot/oops/ObjectHistogram.java @ 5981:4bec1b1f7b33
7156960: Incorrect copyright headers in parts of the Serviceability agent
Summary: Errant files added as part of 7088955 fix. The Copyright information now corrected with gpl-header template
Reviewed-by: sla, ohair, mbykov
author | minqi |
---|---|
date | Wed, 28 Mar 2012 14:27:38 -0700 |
parents | c18cbe5936b8 |
children |
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/* * Copyright (c) 2000, 2008, 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.oops; import java.io.*; import java.util.*; public class ObjectHistogram implements HeapVisitor { public ObjectHistogram() { map = new HashMap(); } private HashMap map; public void prologue(long size) {} public boolean doObj(Oop obj) { Klass klass = obj.getKlass(); if (!map.containsKey(klass)) map.put(klass, new ObjectHistogramElement(klass)); ((ObjectHistogramElement) map.get(klass)).updateWith(obj); return false; } public void epilogue() {} /** Call this after the iteration is complete to obtain the ObjectHistogramElements in descending order of total heap size consumed in the form of a List<ObjectHistogramElement>. */ public List getElements() { List list = new ArrayList(); list.addAll(map.values()); Collections.sort(list, new Comparator() { public int compare(Object o1, Object o2) { return ((ObjectHistogramElement) o1).compare((ObjectHistogramElement) o2); } }); return list; } public void print() { printOn(System.out); } public void printOn(PrintStream tty) { List list = getElements(); ObjectHistogramElement.titleOn(tty); Iterator iterator = list.listIterator(); int num=0; int totalCount=0; int totalSize=0; while (iterator.hasNext()) { ObjectHistogramElement el = (ObjectHistogramElement) iterator.next(); num++; totalCount+=el.getCount(); totalSize+=el.getSize(); tty.print(num + ":" + "\t\t"); el.printOn(tty); } tty.println("Total : " + "\t" + totalCount + "\t" + totalSize); } }