Mercurial > hg > truffle
annotate graal/com.oracle.jvmci.debug/src/com/oracle/jvmci/debug/DebugMemUseTracker.java @ 21594:cc9e15bbbd3c
SSAMoveResolver: add support for non-virtual stack slots.
author | Josef Eisl <josef.eisl@jku.at> |
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date | Fri, 29 May 2015 12:08:54 +0200 |
parents | b1530a6cce8c |
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1 /* |
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2 * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. |
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8 * |
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9 * This code is distributed in the hope that it will be useful, but WITHOUT |
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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12 * version 2 for more details (a copy is included in the LICENSE file that |
0dc0926cf0d8
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13 * accompanied this code). |
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14 * |
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15 * You should have received a copy of the GNU General Public License version |
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16 * 2 along with this work; if not, write to the Free Software Foundation, |
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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18 * |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
0dc0926cf0d8
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
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22 */ |
21554
b1530a6cce8c
renamed com.oracle.graal.[debug|options|hotspotvmconfig]* modules to com.oracle.jvmci.[debug|options|hotspotvmconfig]* modules (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
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23 package com.oracle.jvmci.debug; |
15581
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24 |
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25 import com.sun.management.*; |
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26 |
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27 /** |
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28 * Tracks memory usage within a scope using {@link ThreadMXBean}. This facility should be employed |
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29 * using the try-with-resources pattern: |
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30 * |
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31 * <pre> |
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32 * try (DebugMemUseTracker.Closeable a = memUseTracker.start()) { |
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33 * // the code to measure |
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34 * } |
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35 * </pre> |
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36 */ |
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37 public interface DebugMemUseTracker { |
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38 |
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39 /** |
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40 * Creates a point from which memory usage will be recorded if memory use tracking is |
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41 * {@linkplain Debug#isMemUseTrackingEnabled() enabled}. |
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42 * |
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43 * @return an object that must be closed once the activity has completed to add the memory used |
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44 * since this call to the total for this tracker |
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45 */ |
19686
fa75218e3942
Fix nested Timer and MemUse tracking logic
Tom Rodriguez <tom.rodriguez@oracle.com>
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46 DebugCloseable start(); |
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47 |
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48 /** |
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49 * Gets the current value of this tracker. |
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50 */ |
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51 long getCurrentValue(); |
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52 } |