Mercurial > hg > truffle
annotate agent/src/share/classes/sun/jvm/hotspot/oops/ObjectHistogram.java @ 3944:35c656d0b685
7090654: nightly failures after 7086585
Reviewed-by: kvn
| author | never |
|---|---|
| date | Wed, 14 Sep 2011 13:57:32 -0700 |
| parents | c18cbe5936b8 |
| children |
| rev | line source |
|---|---|
| 0 | 1 /* |
|
1552
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
196
diff
changeset
|
2 * Copyright (c) 2000, 2008, Oracle and/or its affiliates. All rights reserved. |
| 0 | 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. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 18 * | |
|
1552
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
196
diff
changeset
|
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
|
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
196
diff
changeset
|
20 * or visit www.oracle.com if you need additional information or have any |
|
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
196
diff
changeset
|
21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 25 package sun.jvm.hotspot.oops; | |
| 26 | |
| 27 import java.io.*; | |
| 28 import java.util.*; | |
| 29 | |
| 30 public class ObjectHistogram implements HeapVisitor { | |
| 31 | |
| 32 public ObjectHistogram() { map = new HashMap(); } | |
| 33 | |
| 34 private HashMap map; | |
| 35 | |
| 36 public void prologue(long size) {} | |
| 37 | |
| 38 public boolean doObj(Oop obj) { | |
| 39 Klass klass = obj.getKlass(); | |
| 40 if (!map.containsKey(klass)) map.put(klass, new ObjectHistogramElement(klass)); | |
| 41 ((ObjectHistogramElement) map.get(klass)).updateWith(obj); | |
| 42 return false; | |
| 43 } | |
| 44 | |
| 45 public void epilogue() {} | |
| 46 | |
| 47 /** Call this after the iteration is complete to obtain the | |
| 48 ObjectHistogramElements in descending order of total heap size | |
| 49 consumed in the form of a List<ObjectHistogramElement>. */ | |
| 50 public List getElements() { | |
| 51 List list = new ArrayList(); | |
| 52 list.addAll(map.values()); | |
| 53 Collections.sort(list, new Comparator() { | |
| 54 public int compare(Object o1, Object o2) { | |
| 55 return ((ObjectHistogramElement) o1).compare((ObjectHistogramElement) o2); | |
| 56 } | |
| 57 }); | |
| 58 return list; | |
| 59 } | |
| 60 | |
| 61 public void print() { printOn(System.out); } | |
| 62 | |
| 63 public void printOn(PrintStream tty) { | |
| 64 List list = getElements(); | |
| 65 ObjectHistogramElement.titleOn(tty); | |
| 66 Iterator iterator = list.listIterator(); | |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
67 int num=0; |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
68 int totalCount=0; |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
69 int totalSize=0; |
| 0 | 70 while (iterator.hasNext()) { |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
71 ObjectHistogramElement el = (ObjectHistogramElement) iterator.next(); |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
72 num++; |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
73 totalCount+=el.getCount(); |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
74 totalSize+=el.getSize(); |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
75 tty.print(num + ":" + "\t\t"); |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
76 el.printOn(tty); |
| 0 | 77 } |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
78 tty.println("Total : " + "\t" + totalCount + "\t" + totalSize); |
| 0 | 79 } |
| 80 } |