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 */ 23 24 25 package org.graalvm.compiler.debug; 26 27 import static org.graalvm.compiler.debug.DebugCloseable.VOID_CLOSEABLE; 28 29 import java.util.concurrent.TimeUnit; 30 31 import jdk.internal.vm.compiler.collections.Pair; 32 33 final class TimerKeyImpl extends AccumulatedKey implements TimerKey { 34 static class FlatTimer extends AbstractKey implements TimerKey { 35 private TimerKeyImpl accm; 36 37 FlatTimer(String nameFormat, Object nameArg1, Object nameArg2) { 38 super(nameFormat, nameArg1, nameArg2); 39 } 40 41 @Override 42 protected String createName(String format, Object arg1, Object arg2) { 43 return super.createName(format, arg1, arg2) + FLAT_KEY_SUFFIX; 44 } 45 46 @Override 47 public String toHumanReadableFormat(long value) { 48 return valueToString(value); 49 } 50 51 @Override 52 public TimeUnit getTimeUnit() { 53 return accm.getTimeUnit(); 54 } 55 56 @Override 57 public DebugCloseable start(DebugContext debug) { 58 return accm.start(debug); 59 } 60 61 @Override 62 public Pair<String, String> toCSVFormat(long value) { 63 return TimerKeyImpl.toCSVFormatHelper(value); 64 } 65 66 @Override 67 public TimerKey doc(String doc) { 68 throw new IllegalArgumentException("Cannot set documentation for derived key " + getName()); 69 } 70 71 @Override 72 public String getDocName() { 73 return null; 74 } 75 } 76 77 TimerKeyImpl(String nameFormat, Object nameArg1, Object nameArg2) { 78 super(new FlatTimer(nameFormat, nameArg1, nameArg2), nameFormat, nameArg1, nameArg2); 79 ((FlatTimer) flat).accm = this; 80 } 81 82 @Override 83 public DebugCloseable start(DebugContext debug) { 84 if (debug.isTimerEnabled(this)) { 85 Timer result = new Timer(this, debug); 86 debug.currentTimer = result; 87 return result; 88 } else { 89 return VOID_CLOSEABLE; 90 } 91 } 92 93 public static String valueToString(long value) { 94 return String.format("%d.%d ms", value / 1000000, (value / 100000) % 10); 95 } 96 97 @Override 98 public TimerKey getFlat() { 99 return (FlatTimer) flat; 100 } 101 102 @Override 103 public String toHumanReadableFormat(long value) { 104 return valueToString(value); 105 } 106 107 @Override 108 public TimeUnit getTimeUnit() { 109 return TimeUnit.NANOSECONDS; 110 } 111 112 static final class Timer extends CloseableCounter implements DebugCloseable { 113 final DebugContext debug; 114 115 Timer(AccumulatedKey counter, DebugContext debug) { 116 super(debug, debug.currentTimer, counter); 117 this.debug = debug; 118 } 119 120 @Override 121 public void close() { 122 super.close(); 123 debug.currentTimer = parent; 124 } 125 126 @Override 127 protected long getCounterValue() { 128 return TimeSource.getTimeNS(); 129 } 130 131 } 132 133 @Override 134 public Pair<String, String> toCSVFormat(long value) { 135 return toCSVFormatHelper(value); 136 } 137 138 static Pair<String, String> toCSVFormatHelper(long value) { 139 return Pair.create(Long.toString(value / 1000), "us"); 140 } 141 142 @Override 143 public TimerKey doc(String doc) { 144 setDoc(doc); 145 return this; 146 } 147 }