Mercurial > hg > graal-compiler
view graal/com.oracle.graal.truffle/src/com/oracle/graal/truffle/CompilationProfile.java @ 14528:41ecd18552b2
Merge.
author | Doug Simon <doug.simon@oracle.com> |
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date | Thu, 13 Mar 2014 21:16:57 +0100 |
parents | c7ac129e17e9 |
children | 4ea4db3f23ba |
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/* * Copyright (c) 2013, 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 com.oracle.graal.truffle; import static com.oracle.graal.truffle.TruffleCompilerOptions.*; import java.util.*; public class CompilationProfile { /** * Number of times an installed code for this tree was invalidated. */ private int invalidationCount; /** * Number of times a node was replaced in this tree. */ private int nodeReplaceCount; private long previousTimestamp; private final String name; private int callCount; private int callAndLoopCount; private int compilationCallThreshold; private int compilationCallAndLoopThreshold; private final int originalInvokeCounter; private final int originalCompilationThreshold; public CompilationProfile(final int compilationThreshold, final int initialInvokeCounter, final String name) { this.previousTimestamp = System.nanoTime(); this.compilationCallThreshold = initialInvokeCounter; this.compilationCallAndLoopThreshold = compilationThreshold; this.originalInvokeCounter = initialInvokeCounter; this.originalCompilationThreshold = compilationThreshold; this.name = name; } public Map<String, Object> getDebugProperties() { Map<String, Object> properties = new LinkedHashMap<>(); String callsThreshold = String.format("%7d/%5d", getCallCount(), getCompilationCallThreshold()); String loopsThreshold = String.format("%7d/%5d", getCallAndLoopCount(), getCompilationCallAndLoopThreshold()); String invalidationReplace = String.format("%5d/%5d", invalidationCount, nodeReplaceCount); properties.put("C/T", callsThreshold); properties.put("L/T", loopsThreshold); properties.put("Inval#/Replace#", invalidationReplace); return properties; } public void reset() { callCount = 0; callAndLoopCount = 0; compilationCallAndLoopThreshold = originalCompilationThreshold; compilationCallThreshold = originalInvokeCounter; } public long getPreviousTimestamp() { return previousTimestamp; } public String getName() { return this.name; } public int getInvalidationCount() { return invalidationCount; } public int getNodeReplaceCount() { return nodeReplaceCount; } public int getCallAndLoopCount() { return callAndLoopCount; } public int getCallCount() { return callCount; } public int getCompilationCallAndLoopThreshold() { return compilationCallAndLoopThreshold; } public int getCompilationCallThreshold() { return compilationCallThreshold; } void ensureProfiling(int calls, int callsAndLoop) { int increaseCallAndLoopThreshold = callsAndLoop - (this.compilationCallAndLoopThreshold - this.callAndLoopCount); if (increaseCallAndLoopThreshold > 0) { this.compilationCallAndLoopThreshold += increaseCallAndLoopThreshold; } int increaseCallsThreshold = calls - (this.compilationCallThreshold - this.callCount); if (increaseCallsThreshold > 0) { this.compilationCallThreshold += increaseCallsThreshold; } } void reportTiminingFailed(long timestamp) { ensureProfiling(0, originalCompilationThreshold); this.previousTimestamp = timestamp; } void reportInvalidated() { invalidationCount++; int reprofile = TruffleInvalidationReprofileCount.getValue(); ensureProfiling(reprofile, reprofile); } void reportInterpreterCall() { callCount++; callAndLoopCount++; } void reportInterpreterCalls(int calls) { this.callCount += calls; this.callAndLoopCount += calls; } void reportLoopCount(int count) { callAndLoopCount += count; } void reportNodeReplaced() { nodeReplaceCount++; // delay compilation until tree is deemed stable enough int replaceBackoff = TruffleReplaceReprofileCount.getValue(); ensureProfiling(1, replaceBackoff); } }