J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2003-2004 Sun Microsystems, Inc. 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. Sun designates this |
| 8 | * particular file as subject to the "Classpath" exception as provided |
| 9 | * by Sun in the LICENSE file that accompanied this code. |
| 10 | * |
| 11 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| 14 | * version 2 for more details (a copy is included in the LICENSE file that |
| 15 | * accompanied this code). |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License version |
| 18 | * 2 along with this work; if not, write to the Free Software Foundation, |
| 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| 20 | * |
| 21 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 22 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 23 | * have any questions. |
| 24 | */ |
| 25 | |
| 26 | package sun.management; |
| 27 | |
| 28 | import java.util.regex.*; |
| 29 | import java.util.List; |
| 30 | import java.util.ListIterator; |
| 31 | import java.util.Iterator; |
| 32 | import java.util.ArrayList; |
| 33 | import java.util.Map; |
| 34 | import java.util.TreeMap; |
| 35 | import sun.management.counter.*; |
| 36 | |
| 37 | /** |
| 38 | * Implementation class of HotspotCompilationMBean interface. |
| 39 | * |
| 40 | * Internal, uncommitted management interface for Hotspot compilation |
| 41 | * system. |
| 42 | * |
| 43 | */ |
| 44 | class HotspotCompilation |
| 45 | implements HotspotCompilationMBean { |
| 46 | |
| 47 | private VMManagement jvm; |
| 48 | |
| 49 | /** |
| 50 | * Constructor of HotspotRuntime class. |
| 51 | */ |
| 52 | HotspotCompilation(VMManagement vm) { |
| 53 | jvm = vm; |
| 54 | initCompilerCounters(); |
| 55 | } |
| 56 | |
| 57 | // Performance counter support |
| 58 | private static final String JAVA_CI = "java.ci."; |
| 59 | private static final String COM_SUN_CI = "com.sun.ci."; |
| 60 | private static final String SUN_CI = "sun.ci."; |
| 61 | private static final String CI_COUNTER_NAME_PATTERN = |
| 62 | JAVA_CI + "|" + COM_SUN_CI + "|" + SUN_CI; |
| 63 | |
| 64 | private LongCounter compilerThreads; |
| 65 | private LongCounter totalCompiles; |
| 66 | private LongCounter totalBailouts; |
| 67 | private LongCounter totalInvalidates; |
| 68 | private LongCounter nmethodCodeSize; |
| 69 | private LongCounter nmethodSize; |
| 70 | private StringCounter lastMethod; |
| 71 | private LongCounter lastSize; |
| 72 | private LongCounter lastType; |
| 73 | private StringCounter lastFailedMethod; |
| 74 | private LongCounter lastFailedType; |
| 75 | private StringCounter lastInvalidatedMethod; |
| 76 | private LongCounter lastInvalidatedType; |
| 77 | |
| 78 | private class CompilerThreadInfo { |
| 79 | int index; |
| 80 | String name; |
| 81 | StringCounter method; |
| 82 | LongCounter type; |
| 83 | LongCounter compiles; |
| 84 | LongCounter time; |
| 85 | CompilerThreadInfo(String bname, int index) { |
| 86 | String basename = bname + "." + index + "."; |
| 87 | this.name = bname + "-" + index; |
| 88 | this.method = (StringCounter) lookup(basename + "method"); |
| 89 | this.type = (LongCounter) lookup(basename + "type"); |
| 90 | this.compiles = (LongCounter) lookup(basename + "compiles"); |
| 91 | this.time = (LongCounter) lookup(basename + "time"); |
| 92 | } |
| 93 | CompilerThreadInfo(String bname) { |
| 94 | String basename = bname + "."; |
| 95 | this.name = bname; |
| 96 | this.method = (StringCounter) lookup(basename + "method"); |
| 97 | this.type = (LongCounter) lookup(basename + "type"); |
| 98 | this.compiles = (LongCounter) lookup(basename + "compiles"); |
| 99 | this.time = (LongCounter) lookup(basename + "time"); |
| 100 | } |
| 101 | |
| 102 | CompilerThreadStat getCompilerThreadStat() { |
| 103 | MethodInfo minfo = new MethodInfo(method.stringValue(), |
| 104 | (int) type.longValue(), |
| 105 | -1); |
| 106 | return new CompilerThreadStat(name, |
| 107 | compiles.longValue(), |
| 108 | time.longValue(), |
| 109 | minfo); |
| 110 | } |
| 111 | } |
| 112 | private CompilerThreadInfo[] threads; |
| 113 | private int numActiveThreads; // number of active compiler threads |
| 114 | |
| 115 | private Map<String, Counter> counters; |
| 116 | private Counter lookup(String name) { |
| 117 | Counter c = null; |
| 118 | |
| 119 | // Only one counter exists with the specified name in the |
| 120 | // current implementation. We first look up in the SUN_CI namespace |
| 121 | // since most counters are in SUN_CI namespace. |
| 122 | |
| 123 | if ((c = (Counter) counters.get(SUN_CI + name)) != null) { |
| 124 | return c; |
| 125 | } |
| 126 | if ((c = (Counter) counters.get(COM_SUN_CI + name)) != null) { |
| 127 | return c; |
| 128 | } |
| 129 | if ((c = (Counter) counters.get(JAVA_CI + name)) != null) { |
| 130 | return c; |
| 131 | } |
| 132 | |
| 133 | // FIXME: should tolerate if counter doesn't exist |
| 134 | throw new InternalError("Counter " + name + " does not exist"); |
| 135 | } |
| 136 | |
| 137 | private void initCompilerCounters() { |
| 138 | // Build a tree map of the current list of performance counters |
| 139 | ListIterator iter = getInternalCompilerCounters().listIterator(); |
| 140 | counters = new TreeMap<String, Counter>(); |
| 141 | while (iter.hasNext()) { |
| 142 | Counter c = (Counter) iter.next(); |
| 143 | counters.put(c.getName(), c); |
| 144 | } |
| 145 | |
| 146 | compilerThreads = (LongCounter) lookup("threads"); |
| 147 | totalCompiles = (LongCounter) lookup("totalCompiles"); |
| 148 | totalBailouts = (LongCounter) lookup("totalBailouts"); |
| 149 | totalInvalidates = (LongCounter) lookup("totalInvalidates"); |
| 150 | nmethodCodeSize = (LongCounter) lookup("nmethodCodeSize"); |
| 151 | nmethodSize = (LongCounter) lookup("nmethodSize"); |
| 152 | lastMethod = (StringCounter) lookup("lastMethod"); |
| 153 | lastSize = (LongCounter) lookup("lastSize"); |
| 154 | lastType = (LongCounter) lookup("lastType"); |
| 155 | lastFailedMethod = (StringCounter) lookup("lastFailedMethod"); |
| 156 | lastFailedType = (LongCounter) lookup("lastFailedType"); |
| 157 | lastInvalidatedMethod = (StringCounter) lookup("lastInvalidatedMethod"); |
| 158 | lastInvalidatedType = (LongCounter) lookup("lastInvalidatedType"); |
| 159 | |
| 160 | numActiveThreads = (int) compilerThreads.longValue(); |
| 161 | |
| 162 | // Allocate CompilerThreadInfo for compilerThread and adaptorThread |
| 163 | threads = new CompilerThreadInfo[numActiveThreads+1]; |
| 164 | |
| 165 | // AdaptorThread has index 0 |
| 166 | if (counters.containsKey(SUN_CI + "adapterThread.compiles")) { |
| 167 | threads[0] = new CompilerThreadInfo("adapterThread", 0); |
| 168 | numActiveThreads++; |
| 169 | } else { |
| 170 | threads[0] = null; |
| 171 | } |
| 172 | |
| 173 | for (int i = 1; i < threads.length; i++) { |
| 174 | threads[i] = new CompilerThreadInfo("compilerThread", i-1); |
| 175 | } |
| 176 | } |
| 177 | |
| 178 | public int getCompilerThreadCount() { |
| 179 | return numActiveThreads; |
| 180 | } |
| 181 | |
| 182 | public long getTotalCompileCount() { |
| 183 | return totalCompiles.longValue(); |
| 184 | } |
| 185 | |
| 186 | public long getBailoutCompileCount() { |
| 187 | return totalBailouts.longValue(); |
| 188 | } |
| 189 | |
| 190 | public long getInvalidatedCompileCount() { |
| 191 | return totalInvalidates.longValue(); |
| 192 | } |
| 193 | |
| 194 | public long getCompiledMethodCodeSize() { |
| 195 | return nmethodCodeSize.longValue(); |
| 196 | } |
| 197 | |
| 198 | public long getCompiledMethodSize() { |
| 199 | return nmethodSize.longValue(); |
| 200 | } |
| 201 | |
| 202 | public java.util.List<CompilerThreadStat> getCompilerThreadStats() { |
| 203 | List<CompilerThreadStat> list = new ArrayList<CompilerThreadStat>(threads.length); |
| 204 | int i = 0; |
| 205 | if (threads[0] == null) { |
| 206 | // no adaptor thread |
| 207 | i = 1; |
| 208 | } |
| 209 | for (; i < threads.length; i++) { |
| 210 | list.add(threads[i].getCompilerThreadStat()); |
| 211 | } |
| 212 | return list; |
| 213 | } |
| 214 | |
| 215 | public MethodInfo getLastCompile() { |
| 216 | return new MethodInfo(lastMethod.stringValue(), |
| 217 | (int) lastType.longValue(), |
| 218 | (int) lastSize.longValue()); |
| 219 | } |
| 220 | |
| 221 | public MethodInfo getFailedCompile() { |
| 222 | return new MethodInfo(lastFailedMethod.stringValue(), |
| 223 | (int) lastFailedType.longValue(), |
| 224 | -1); |
| 225 | } |
| 226 | |
| 227 | public MethodInfo getInvalidatedCompile() { |
| 228 | return new MethodInfo(lastInvalidatedMethod.stringValue(), |
| 229 | (int) lastInvalidatedType.longValue(), |
| 230 | -1); |
| 231 | } |
| 232 | |
| 233 | public java.util.List<Counter> getInternalCompilerCounters() { |
| 234 | return jvm.getInternalCounters(CI_COUNTER_NAME_PATTERN); |
| 235 | } |
| 236 | } |