Mercurial > hg > truffle
annotate graal/com.oracle.max.graal.hotspot/src/com/oracle/graal/hotspot/ri/HotSpotProfilingInfo.java @ 5060:4ed4295ce15f
Update import statements.
| author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
|---|---|
| date | Thu, 08 Mar 2012 19:11:12 +0100 |
| parents | ed559a528128 |
| children |
| rev | line source |
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| 4446 | 1 /* |
| 2 * Copyright (c) 2012, 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. | |
| 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 * | |
| 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
| 20 * or visit www.oracle.com if you need additional information or have any | |
| 21 * questions. | |
| 22 */ | |
|
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Update import statements.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
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23 package com.oracle.graal.hotspot.ri; |
| 4446 | 24 |
| 25 import com.oracle.max.cri.ri.*; | |
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parents:
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26 import com.oracle.graal.debug.*; |
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parents:
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27 import com.oracle.graal.hotspot.*; |
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28 import com.oracle.graal.hotspot.Compiler; |
| 4446 | 29 |
| 30 | |
| 31 public final class HotSpotProfilingInfo extends CompilerObject implements RiProfilingInfo { | |
| 32 | |
| 33 /** | |
| 34 * | |
| 35 */ | |
| 36 private static final long serialVersionUID = -8307682725047864875L; | |
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37 private static final DebugMetric metricInsufficentSpace = Debug.metric("InsufficientSpaceForProfilingData"); |
| 4446 | 38 |
| 39 private int position; | |
| 40 private int hintPosition; | |
| 41 private int hintBCI; | |
| 42 private HotSpotMethodDataAccessor dataAccessor; | |
| 43 private HotSpotMethodData methodData; | |
| 44 | |
| 45 public HotSpotProfilingInfo(Compiler compiler, HotSpotMethodData methodData) { | |
| 46 super(compiler); | |
| 47 this.methodData = methodData; | |
| 48 hintPosition = 0; | |
| 49 hintBCI = -1; | |
| 50 } | |
| 51 | |
| 52 @Override | |
| 53 public RiTypeProfile getTypeProfile(int bci) { | |
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54 findBCI(bci, false); |
| 4446 | 55 return dataAccessor.getTypeProfile(methodData, position); |
| 56 } | |
| 57 | |
| 58 @Override | |
| 59 public double getBranchTakenProbability(int bci) { | |
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60 findBCI(bci, false); |
| 4446 | 61 return dataAccessor.getBranchTakenProbability(methodData, position); |
| 62 } | |
| 63 | |
| 64 @Override | |
| 65 public double[] getSwitchProbabilities(int bci) { | |
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66 findBCI(bci, false); |
| 4446 | 67 return dataAccessor.getSwitchProbabilities(methodData, position); |
| 68 } | |
| 69 | |
| 70 @Override | |
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71 public RiExceptionSeen getExceptionSeen(int bci) { |
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72 findBCI(bci, true); |
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73 return dataAccessor.getExceptionSeen(methodData, position); |
| 4446 | 74 } |
| 75 | |
| 76 @Override | |
| 77 public int getExecutionCount(int bci) { | |
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78 findBCI(bci, false); |
| 4446 | 79 return dataAccessor.getExecutionCount(methodData, position); |
| 80 } | |
| 81 | |
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82 private void findBCI(int targetBCI, boolean searchExtraData) { |
| 4446 | 83 assert targetBCI >= 0 : "invalid BCI"; |
| 84 | |
| 85 if (methodData.hasNormalData()) { | |
| 86 int currentPosition = targetBCI < hintBCI ? 0 : hintPosition; | |
| 87 HotSpotMethodDataAccessor currentAccessor; | |
| 88 while ((currentAccessor = methodData.getNormalData(currentPosition)) != null) { | |
| 89 int currentBCI = currentAccessor.getBCI(methodData, currentPosition); | |
| 90 if (currentBCI == targetBCI) { | |
| 91 normalDataFound(currentAccessor, currentPosition, currentBCI); | |
| 92 return; | |
| 93 } else if (currentBCI > targetBCI) { | |
| 94 break; | |
| 95 } | |
| 96 currentPosition = currentPosition + currentAccessor.getSize(methodData, currentPosition); | |
| 97 } | |
| 98 } | |
| 99 | |
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100 boolean exceptionPossiblyNotRecorded = false; |
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101 if (searchExtraData && methodData.hasExtraData()) { |
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102 int currentPosition = methodData.getExtraDataBeginOffset(); |
| 4446 | 103 HotSpotMethodDataAccessor currentAccessor; |
| 104 while ((currentAccessor = methodData.getExtraData(currentPosition)) != null) { | |
| 105 int currentBCI = currentAccessor.getBCI(methodData, currentPosition); | |
| 106 if (currentBCI == targetBCI) { | |
| 107 extraDataFound(currentAccessor, currentPosition); | |
| 108 return; | |
| 109 } | |
| 110 currentPosition = currentPosition + currentAccessor.getSize(methodData, currentPosition); | |
| 111 } | |
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112 |
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113 if (!methodData.isWithin(currentPosition)) { |
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114 exceptionPossiblyNotRecorded = true; |
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115 metricInsufficentSpace.increment(); |
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116 } |
| 4446 | 117 } |
| 118 | |
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119 noDataFound(exceptionPossiblyNotRecorded); |
| 4446 | 120 } |
| 121 | |
| 122 private void normalDataFound(HotSpotMethodDataAccessor data, int pos, int bci) { | |
| 123 setCurrentData(data, pos); | |
| 124 this.hintPosition = position; | |
| 125 this.hintBCI = bci; | |
| 126 } | |
| 127 | |
| 128 private void extraDataFound(HotSpotMethodDataAccessor data, int pos) { | |
| 129 setCurrentData(data, pos); | |
| 130 } | |
| 131 | |
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132 private void noDataFound(boolean exceptionPossiblyNotRecorded) { |
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133 HotSpotMethodDataAccessor accessor = HotSpotMethodData.getNoDataAccessor(exceptionPossiblyNotRecorded); |
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134 setCurrentData(accessor, -1); |
| 4446 | 135 } |
| 136 | |
| 137 private void setCurrentData(HotSpotMethodDataAccessor dataAccessor, int position) { | |
| 138 this.dataAccessor = dataAccessor; | |
| 139 this.position = position; | |
| 140 } | |
| 141 } |