Mercurial > hg > graal-jvmci-8
view jvmci/jdk.vm.ci.hotspot/src/jdk/vm/ci/hotspot/HotSpotProfilingInfo.java @ 23357:b05ad394cfd5
Add ResolvedJavaType.isAllocationClonable
author | Tom Rodriguez <tom.rodriguez@oracle.com> |
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date | Thu, 28 Apr 2016 13:07:46 -0700 |
parents | 55877421f72a |
children | 1d4ce2d19e52 |
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/* * Copyright (c) 2012, 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 jdk.vm.ci.hotspot; import jdk.vm.ci.meta.DeoptimizationReason; import jdk.vm.ci.meta.JavaMethodProfile; import jdk.vm.ci.meta.JavaTypeProfile; import jdk.vm.ci.meta.ProfilingInfo; import jdk.vm.ci.meta.TriState; public final class HotSpotProfilingInfo implements ProfilingInfo, HotSpotProxified { private final HotSpotMethodData methodData; private final HotSpotResolvedJavaMethod method; private boolean isMature; private int position; private int hintPosition; private int hintBCI; private HotSpotMethodDataAccessor dataAccessor; private boolean includeNormal; private boolean includeOSR; public HotSpotProfilingInfo(HotSpotMethodData methodData, HotSpotResolvedJavaMethod method, boolean includeNormal, boolean includeOSR) { this.methodData = methodData; this.method = method; this.includeNormal = includeNormal; this.includeOSR = includeOSR; this.isMature = methodData.isProfileMature(); hintPosition = 0; hintBCI = -1; } @Override public int getCodeSize() { return method.getCodeSize(); } @Override public JavaTypeProfile getTypeProfile(int bci) { if (!isMature) { return null; } findBCI(bci, false); return dataAccessor.getTypeProfile(methodData, position); } @Override public JavaMethodProfile getMethodProfile(int bci) { if (!isMature) { return null; } findBCI(bci, false); return dataAccessor.getMethodProfile(methodData, position); } @Override public double getBranchTakenProbability(int bci) { if (!isMature) { return -1; } findBCI(bci, false); return dataAccessor.getBranchTakenProbability(methodData, position); } @Override public double[] getSwitchProbabilities(int bci) { if (!isMature) { return null; } findBCI(bci, false); return dataAccessor.getSwitchProbabilities(methodData, position); } @Override public TriState getExceptionSeen(int bci) { findBCI(bci, true); return dataAccessor.getExceptionSeen(methodData, position); } @Override public TriState getNullSeen(int bci) { findBCI(bci, false); return dataAccessor.getNullSeen(methodData, position); } @Override public int getExecutionCount(int bci) { if (!isMature) { return -1; } findBCI(bci, false); return dataAccessor.getExecutionCount(methodData, position); } @Override public int getDeoptimizationCount(DeoptimizationReason reason) { int count = 0; if (includeNormal) { count += methodData.getDeoptimizationCount(reason); } if (includeOSR) { count += methodData.getOSRDeoptimizationCount(reason); } return count; } private void findBCI(int targetBCI, boolean searchExtraData) { assert targetBCI >= 0 : "invalid BCI"; if (methodData.hasNormalData()) { int currentPosition = targetBCI < hintBCI ? 0 : hintPosition; HotSpotMethodDataAccessor currentAccessor; while ((currentAccessor = methodData.getNormalData(currentPosition)) != null) { int currentBCI = currentAccessor.getBCI(methodData, currentPosition); if (currentBCI == targetBCI) { normalDataFound(currentAccessor, currentPosition, currentBCI); return; } else if (currentBCI > targetBCI) { break; } currentPosition = currentPosition + currentAccessor.getSize(methodData, currentPosition); } } boolean exceptionPossiblyNotRecorded = false; if (searchExtraData && methodData.hasExtraData()) { int currentPosition = methodData.getExtraDataBeginOffset(); HotSpotMethodDataAccessor currentAccessor; while ((currentAccessor = methodData.getExtraData(currentPosition)) != null) { int currentBCI = currentAccessor.getBCI(methodData, currentPosition); if (currentBCI == targetBCI) { extraDataFound(currentAccessor, currentPosition); return; } currentPosition = currentPosition + currentAccessor.getSize(methodData, currentPosition); } if (!methodData.isWithin(currentPosition)) { exceptionPossiblyNotRecorded = true; } } noDataFound(exceptionPossiblyNotRecorded); } private void normalDataFound(HotSpotMethodDataAccessor data, int pos, int bci) { setCurrentData(data, pos); this.hintPosition = position; this.hintBCI = bci; } private void extraDataFound(HotSpotMethodDataAccessor data, int pos) { setCurrentData(data, pos); } private void noDataFound(boolean exceptionPossiblyNotRecorded) { HotSpotMethodDataAccessor accessor = HotSpotMethodData.getNoDataAccessor(exceptionPossiblyNotRecorded); setCurrentData(accessor, -1); } private void setCurrentData(HotSpotMethodDataAccessor dataAccessor, int position) { this.dataAccessor = dataAccessor; this.position = position; } @Override public boolean isMature() { return isMature; } public void ignoreMature() { isMature = true; } @Override public String toString() { return "HotSpotProfilingInfo<" + this.toString(null, "; ") + ">"; } @Override public void setMature() { isMature = true; } /** * {@code MethodData::_jvmci_ir_size} (currently) supports at most one JVMCI compiler IR type * which will be determined by the first JVMCI compiler that calls * {@link #setCompilerIRSize(Class, int)}. */ private static volatile Class<?> supportedCompilerIRType; @Override public boolean setCompilerIRSize(Class<?> irType, int size) { if (supportedCompilerIRType == null) { synchronized (HotSpotProfilingInfo.class) { if (supportedCompilerIRType == null) { supportedCompilerIRType = irType; } } } if (supportedCompilerIRType != irType) { return false; } methodData.setCompiledIRSize(size); return true; } @Override public int getCompilerIRSize(Class<?> irType) { if (irType == supportedCompilerIRType) { return methodData.getCompiledIRSize(); } return -1; } }