Paul Duffin | e236301 | 2015-11-30 16:20:41 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (C) 2012 Google Inc. |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | package com.google.caliper.runner; |
| 18 | |
| 19 | import com.google.caliper.api.ResultProcessor; |
| 20 | import com.google.caliper.config.CaliperConfig; |
| 21 | import com.google.caliper.config.InstrumentConfig; |
| 22 | import com.google.caliper.model.Host; |
| 23 | import com.google.caliper.options.CaliperOptions; |
| 24 | import com.google.caliper.platform.Platform; |
| 25 | import com.google.caliper.runner.Instrument.Instrumentation; |
| 26 | import com.google.caliper.util.InvalidCommandException; |
| 27 | import com.google.caliper.util.ShortDuration; |
| 28 | import com.google.caliper.util.Stderr; |
| 29 | import com.google.caliper.util.Util; |
| 30 | import com.google.common.base.Function; |
| 31 | import com.google.common.collect.ImmutableSet; |
| 32 | import com.google.common.collect.ImmutableSetMultimap; |
| 33 | import com.google.common.collect.ImmutableSortedSet; |
| 34 | import com.google.common.collect.Ordering; |
| 35 | import com.google.common.util.concurrent.ListeningExecutorService; |
| 36 | import com.google.common.util.concurrent.MoreExecutors; |
| 37 | import com.google.common.util.concurrent.Service; |
| 38 | |
| 39 | import dagger.MapKey; |
| 40 | import dagger.Module; |
| 41 | import dagger.Provides; |
| 42 | import dagger.Provides.Type; |
| 43 | |
| 44 | import java.io.PrintWriter; |
| 45 | import java.lang.reflect.Method; |
| 46 | import java.util.HashSet; |
| 47 | import java.util.Map; |
| 48 | import java.util.Set; |
| 49 | import java.util.TreeSet; |
| 50 | import java.util.UUID; |
| 51 | import java.util.concurrent.Executors; |
| 52 | |
| 53 | import javax.inject.Provider; |
| 54 | import javax.inject.Singleton; |
| 55 | |
| 56 | /** |
| 57 | * Configures a {@link CaliperRun} that performs experiments. |
| 58 | */ |
| 59 | @Module |
| 60 | final class ExperimentingRunnerModule { |
| 61 | private static final String RUNNER_MAX_PARALLELISM_OPTION = "runner.maxParallelism"; |
| 62 | |
| 63 | @Provides(type = Type.SET) |
| 64 | static Service provideServerSocketService(ServerSocketService impl) { |
| 65 | return impl; |
| 66 | } |
| 67 | |
| 68 | @Provides(type = Type.SET) |
| 69 | static Service provideTrialOutputFactoryService(TrialOutputFactoryService impl) { |
| 70 | return impl; |
| 71 | } |
| 72 | |
| 73 | @Provides |
| 74 | static TrialOutputFactory provideTrialOutputFactory(TrialOutputFactoryService impl) { |
| 75 | return impl; |
| 76 | } |
| 77 | |
| 78 | @Provides |
| 79 | static ExperimentSelector provideExperimentSelector(FullCartesianExperimentSelector impl) { |
| 80 | return impl; |
| 81 | } |
| 82 | |
| 83 | @Provides |
| 84 | static ListeningExecutorService provideExecutorService(CaliperConfig config) { |
| 85 | int poolSize = Integer.parseInt(config.properties().get(RUNNER_MAX_PARALLELISM_OPTION)); |
| 86 | return MoreExecutors.listeningDecorator(Executors.newFixedThreadPool(poolSize)); |
| 87 | } |
| 88 | |
| 89 | @LocalPort |
| 90 | @Provides |
| 91 | static int providePortNumber(ServerSocketService serverSocketService) { |
| 92 | return serverSocketService.getPort(); |
| 93 | } |
| 94 | |
| 95 | /** |
| 96 | * Specifies the {@link Class} object to use as a key in the map of available |
| 97 | * {@link ResultProcessor result processors} passed to |
| 98 | * {@link #provideResultProcessors(CaliperConfig, Map)}. |
| 99 | */ |
| 100 | @MapKey(unwrapValue = true) |
| 101 | public @interface ResultProcessorClassKey { |
| 102 | Class<? extends ResultProcessor> value(); |
| 103 | } |
| 104 | |
| 105 | @Provides(type = Type.MAP) |
| 106 | @ResultProcessorClassKey(OutputFileDumper.class) |
| 107 | static ResultProcessor provideOutputFileDumper(OutputFileDumper impl) { |
| 108 | return impl; |
| 109 | } |
| 110 | |
| 111 | @Provides(type = Type.MAP) |
| 112 | @ResultProcessorClassKey(HttpUploader.class) |
| 113 | static ResultProcessor provideHttpUploader(HttpUploader impl) { |
| 114 | return impl; |
| 115 | } |
| 116 | |
| 117 | @Provides static ImmutableSet<ResultProcessor> provideResultProcessors( |
| 118 | CaliperConfig config, |
| 119 | Map<Class<? extends ResultProcessor>, Provider<ResultProcessor>> availableProcessors) { |
| 120 | ImmutableSet.Builder<ResultProcessor> builder = ImmutableSet.builder(); |
| 121 | for (Class<? extends ResultProcessor> processorClass : config.getConfiguredResultProcessors()) { |
| 122 | Provider<ResultProcessor> resultProcessorProvider = availableProcessors.get(processorClass); |
| 123 | ResultProcessor resultProcessor = resultProcessorProvider == null |
| 124 | ? ResultProcessorCreator.createResultProcessor(processorClass) |
| 125 | : resultProcessorProvider.get(); |
| 126 | builder.add(resultProcessor); |
| 127 | } |
| 128 | return builder.build(); |
| 129 | } |
| 130 | |
| 131 | @Provides static UUID provideUuid() { |
| 132 | return UUID.randomUUID(); |
| 133 | } |
| 134 | |
| 135 | @Provides @BenchmarkParameters |
| 136 | static ImmutableSetMultimap<String, String> provideBenchmarkParameters( |
| 137 | BenchmarkClass benchmarkClass, CaliperOptions options) throws InvalidBenchmarkException { |
| 138 | return benchmarkClass.userParameters().fillInDefaultsFor(options.userParameters()); |
| 139 | } |
| 140 | |
| 141 | @Provides @Singleton |
| 142 | static Host provideHost(EnvironmentGetter environmentGetter) { |
| 143 | return environmentGetter.getHost(); |
| 144 | } |
| 145 | |
| 146 | @Provides @Singleton |
| 147 | static EnvironmentGetter provideEnvironmentGetter() { |
| 148 | return new EnvironmentGetter(); |
| 149 | } |
| 150 | |
| 151 | /** |
| 152 | * Specifies the {@link Class} object to use as a key in the map of available |
| 153 | * {@link Instrument instruments} passed to {@link #provideInstruments}, |
| 154 | */ |
| 155 | @MapKey(unwrapValue = true) |
| 156 | public @interface InstrumentClassKey { |
| 157 | Class<? extends Instrument> value(); |
| 158 | } |
| 159 | |
| 160 | @Provides(type = Type.MAP) |
| 161 | @InstrumentClassKey(ArbitraryMeasurementInstrument.class) |
| 162 | static Instrument provideArbitraryMeasurementInstrument() { |
| 163 | return new ArbitraryMeasurementInstrument(); |
| 164 | } |
| 165 | |
| 166 | @Provides(type = Type.MAP) |
| 167 | @InstrumentClassKey(AllocationInstrument.class) |
| 168 | static Instrument provideAllocationInstrument() { |
| 169 | return new AllocationInstrument(); |
| 170 | } |
| 171 | |
| 172 | @Provides(type = Type.MAP) |
| 173 | @InstrumentClassKey(RuntimeInstrument.class) |
| 174 | static Instrument provideRuntimeInstrument( |
| 175 | @NanoTimeGranularity ShortDuration nanoTimeGranularity) { |
| 176 | return new RuntimeInstrument(nanoTimeGranularity); |
| 177 | } |
| 178 | |
| 179 | @Provides |
| 180 | static ImmutableSet<Instrument> provideInstruments( |
| 181 | CaliperOptions options, |
| 182 | final CaliperConfig config, |
| 183 | Map<Class<? extends Instrument>, Provider<Instrument>> availableInstruments, |
| 184 | Platform platform, |
| 185 | @Stderr PrintWriter stderr) |
| 186 | throws InvalidCommandException { |
| 187 | |
| 188 | ImmutableSet.Builder<Instrument> builder = ImmutableSet.builder(); |
| 189 | ImmutableSet<String> configuredInstruments = config.getConfiguredInstruments(); |
| 190 | for (final String instrumentName : options.instrumentNames()) { |
| 191 | if (!configuredInstruments.contains(instrumentName)) { |
| 192 | throw new InvalidCommandException("%s is not a configured instrument (%s). " |
| 193 | + "use --print-config to see the configured instruments.", |
| 194 | instrumentName, configuredInstruments); |
| 195 | } |
| 196 | final InstrumentConfig instrumentConfig = config.getInstrumentConfig(instrumentName); |
| 197 | String className = instrumentConfig.className(); |
| 198 | try { |
| 199 | Class<? extends Instrument> clazz = |
| 200 | Util.lenientClassForName(className).asSubclass(Instrument.class); |
| 201 | Provider<Instrument> instrumentProvider = availableInstruments.get(clazz); |
| 202 | if (instrumentProvider == null) { |
| 203 | throw new InvalidInstrumentException("Instrument %s not supported", className); |
| 204 | } |
| 205 | |
| 206 | // Make sure that the instrument is supported on the platform. |
| 207 | if (platform.supports(clazz)) { |
| 208 | Instrument instrument = instrumentProvider.get(); |
| 209 | InstrumentInjectorModule injectorModule = |
| 210 | new InstrumentInjectorModule(instrumentConfig, instrumentName); |
| 211 | InstrumentComponent instrumentComponent = DaggerInstrumentComponent.builder() |
| 212 | .instrumentInjectorModule(injectorModule) |
| 213 | .build(); |
| 214 | instrumentComponent.injectInstrument(instrument); |
| 215 | builder.add(instrument); |
| 216 | } else { |
| 217 | stderr.format("Instrument %s not supported on %s, ignoring\n", |
| 218 | className, platform.name()); |
| 219 | } |
| 220 | } catch (ClassNotFoundException e) { |
| 221 | throw new InvalidCommandException("Cannot find instrument class '%s'", className); |
| 222 | } |
| 223 | } |
| 224 | return builder.build(); |
| 225 | } |
| 226 | |
| 227 | @Provides @Singleton static NanoTimeGranularityTester provideNanoTimeGranularityTester() { |
| 228 | return new NanoTimeGranularityTester(); |
| 229 | } |
| 230 | |
| 231 | @Provides @Singleton @NanoTimeGranularity static ShortDuration provideNanoTimeGranularity( |
| 232 | NanoTimeGranularityTester tester) { |
| 233 | return tester.testNanoTimeGranularity(); |
| 234 | } |
| 235 | |
| 236 | @Provides static ImmutableSet<Instrumentation> provideInstrumentations(CaliperOptions options, |
| 237 | BenchmarkClass benchmarkClass, ImmutableSet<Instrument> instruments) |
| 238 | throws InvalidBenchmarkException { |
| 239 | ImmutableSet.Builder<Instrumentation> builder = ImmutableSet.builder(); |
| 240 | ImmutableSet<String> benchmarkMethodNames = options.benchmarkMethodNames(); |
| 241 | Set<String> unusedBenchmarkNames = new HashSet<String>(benchmarkMethodNames); |
| 242 | for (Instrument instrument : instruments) { |
| 243 | for (Method method : findAllBenchmarkMethods(benchmarkClass.benchmarkClass(), instrument)) { |
| 244 | if (benchmarkMethodNames.isEmpty() || benchmarkMethodNames.contains(method.getName())) { |
| 245 | builder.add(instrument.createInstrumentation(method)); |
| 246 | unusedBenchmarkNames.remove(method.getName()); |
| 247 | } |
| 248 | } |
| 249 | } |
| 250 | if (!unusedBenchmarkNames.isEmpty()) { |
| 251 | throw new InvalidBenchmarkException( |
| 252 | "Invalid benchmark method(s) specified in options: " + unusedBenchmarkNames); |
| 253 | } |
| 254 | return builder.build(); |
| 255 | } |
| 256 | |
| 257 | private static ImmutableSortedSet<Method> findAllBenchmarkMethods(Class<?> benchmarkClass, |
| 258 | Instrument instrument) throws InvalidBenchmarkException { |
| 259 | ImmutableSortedSet.Builder<Method> result = ImmutableSortedSet.orderedBy( |
| 260 | Ordering.natural().onResultOf(new Function<Method, String>() { |
| 261 | @Override public String apply(Method method) { |
| 262 | return method.getName(); |
| 263 | } |
| 264 | })); |
| 265 | Set<String> benchmarkMethodNames = new HashSet<String>(); |
| 266 | Set<String> overloadedMethodNames = new TreeSet<String>(); |
| 267 | for (Method method : benchmarkClass.getDeclaredMethods()) { |
| 268 | if (instrument.isBenchmarkMethod(method)) { |
| 269 | method.setAccessible(true); |
| 270 | result.add(method); |
| 271 | if (!benchmarkMethodNames.add(method.getName())) { |
| 272 | overloadedMethodNames.add(method.getName()); |
| 273 | } |
| 274 | } |
| 275 | } |
| 276 | if (!overloadedMethodNames.isEmpty()) { |
| 277 | throw new InvalidBenchmarkException( |
| 278 | "Overloads are disallowed for benchmark methods, found overloads of %s in benchmark %s", |
| 279 | overloadedMethodNames, |
| 280 | benchmarkClass); |
| 281 | } |
| 282 | return result.build(); |
| 283 | } |
| 284 | } |