1 /* 2 * Copyright (c) 2015, 2015, 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 */ 23 24 25 package org.graalvm.compiler.core.common.alloc; 26 27 import java.util.List; 28 29 import org.graalvm.compiler.core.common.cfg.AbstractBlockBase; 30 import org.graalvm.compiler.debug.DebugContext; 31 import org.graalvm.compiler.debug.Indent; 32 33 public final class TraceStatisticsPrinter { 34 private static final String SEP = ";"; 35 36 @SuppressWarnings("try") 37 public static void printTraceStatistics(DebugContext debug, TraceBuilderResult result, String compilationUnitName) { 38 try (DebugContext.Scope s = debug.scope("DumpTraceStatistics")) { 39 if (debug.isLogEnabled(DebugContext.VERBOSE_LEVEL)) { 40 print(debug, result, compilationUnitName); 41 } 42 } catch (Throwable e) { 43 debug.handle(e); 44 } 45 } 46 47 @SuppressWarnings("try") 48 protected static void print(DebugContext debug, TraceBuilderResult result, String compilationUnitName) { 49 List<Trace> traces = result.getTraces(); 50 int numTraces = traces.size(); 51 52 try (Indent indent0 = debug.logAndIndent(DebugContext.VERBOSE_LEVEL, "<tracestatistics>")) { 53 debug.log(DebugContext.VERBOSE_LEVEL, "<name>%s</name>", compilationUnitName != null ? compilationUnitName : "null"); 54 try (Indent indent1 = debug.logAndIndent(DebugContext.VERBOSE_LEVEL, "<traces>")) { 55 printRawLine(debug, "tracenumber", "total", "min", "max", "numBlocks"); 56 for (int i = 0; i < numTraces; i++) { 57 AbstractBlockBase<?>[] t = traces.get(i).getBlocks(); 58 double total = 0; 59 double max = Double.NEGATIVE_INFINITY; 60 double min = Double.POSITIVE_INFINITY; 61 for (AbstractBlockBase<?> block : t) { 62 double frequency = block.getRelativeFrequency(); 63 total += frequency; 64 if (frequency < min) { 65 min = frequency; 66 } 67 if (frequency > max) { 68 max = frequency; 69 } 70 } 71 printLine(debug, i, total, min, max, t.length); 72 } 73 } 74 debug.log(DebugContext.VERBOSE_LEVEL, "</traces>"); 75 } 76 debug.log(DebugContext.VERBOSE_LEVEL, "</tracestatistics>"); 77 78 } 79 80 private static void printRawLine(DebugContext debug, Object tracenr, Object totalTime, Object minProb, Object maxProb, Object numBlocks) { 81 debug.log(DebugContext.VERBOSE_LEVEL, "%s", String.join(SEP, tracenr.toString(), totalTime.toString(), minProb.toString(), maxProb.toString(), numBlocks.toString())); 82 } 83 84 private static void printLine(DebugContext debug, int tracenr, double totalTime, double minProb, double maxProb, int numBlocks) { 85 printRawLine(debug, tracenr, totalTime, minProb, maxProb, numBlocks); 86 } 87 }