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GradleScenarioInvoker.java
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GradleScenarioInvoker.java
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package org.gradle.profiler;
import com.google.common.collect.ImmutableList;
import org.apache.commons.io.FileUtils;
import org.gradle.profiler.buildops.BuildOperationInstrumentation;
import org.gradle.profiler.instrument.PidInstrumentation;
import org.gradle.profiler.result.BuildInvocationResult;
import org.gradle.profiler.result.Sample;
import org.gradle.profiler.result.SampleProvider;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import java.util.function.Consumer;
import static org.gradle.profiler.BuildStep.CLEANUP;
import static org.gradle.profiler.Phase.MEASURE;
import static org.gradle.profiler.Phase.WARM_UP;
public class GradleScenarioInvoker extends ScenarioInvoker<GradleScenarioDefinition, GradleBuildInvocationResult> {
private final DaemonControl daemonControl;
private final PidInstrumentation pidInstrumentation;
public GradleScenarioInvoker(DaemonControl daemonControl, PidInstrumentation pidInstrumentation) {
this.daemonControl = daemonControl;
this.pidInstrumentation = pidInstrumentation;
}
@Override
public SampleProvider<GradleBuildInvocationResult> samplesFor(InvocationSettings settings, GradleScenarioDefinition scenario) {
return results -> {
ImmutableList.Builder<Sample<? super GradleBuildInvocationResult>> builder = ImmutableList.builder();
builder.add(BuildInvocationResult.EXECUTION_TIME);
if (settings.isMeasureGarbageCollection()) {
builder.add(GradleBuildInvocationResult.GARBAGE_COLLECTION_TIME);
}
if (settings.isMeasureConfigTime()) {
builder.add(GradleBuildInvocationResult.TIME_TO_TASK_EXECUTION);
}
scenario.getMeasuredBuildOperations().stream()
.map(GradleBuildInvocationResult::sampleBuildOperation)
.forEach(builder::add);
return builder.build();
};
}
@Override
public void run(GradleScenarioDefinition scenario, InvocationSettings settings, Consumer<GradleBuildInvocationResult> resultConsumer) throws IOException, InterruptedException {
if (settings.isProfile() && scenario.getWarmUpCount() == 0) {
throw new IllegalStateException("Using the --profile option requires at least one warm-up");
}
ScenarioSettings scenarioSettings = new ScenarioSettings(settings, scenario);
FileUtils.forceMkdir(scenario.getOutputDir());
JvmArgsCalculator allBuildsJvmArgsCalculator = settings.getProfiler().newJvmArgsCalculator(scenarioSettings);
GradleArgsCalculator allBuildsGradleArgsCalculator = pidInstrumentation;
allBuildsGradleArgsCalculator = allBuildsGradleArgsCalculator.plus(settings.getProfiler().newGradleArgsCalculator(scenarioSettings));
BuildOperationInstrumentation buildOperationInstrumentation = new BuildOperationInstrumentation(
settings.isMeasureGarbageCollection(),
settings.isMeasureConfigTime(),
scenario.getMeasuredBuildOperations()
);
if (buildOperationInstrumentation.requiresInitScript()) {
allBuildsGradleArgsCalculator = allBuildsGradleArgsCalculator.plus(buildOperationInstrumentation);
}
GradleBuildConfiguration buildConfiguration = scenario.getBuildConfiguration();
daemonControl.stop(buildConfiguration);
BuildMutator mutator = new CompositeBuildMutator(scenario.getBuildMutators());
ScenarioContext scenarioContext = ScenarioContext.from(settings, scenario);
GradleClient gradleClient = scenario.getInvoker().getClient().create(buildConfiguration, settings);
try {
buildConfiguration.printVersionInfo();
List<String> allBuildsJvmArgs = new ArrayList<>(buildConfiguration.getJvmArguments());
allBuildsJvmArgs.addAll(scenario.getJvmArgs());
for (Map.Entry<String, String> entry : scenario.getSystemProperties().entrySet()) {
allBuildsJvmArgs.add("-D" + entry.getKey() + "=" + entry.getValue());
}
allBuildsJvmArgs.add("-Dorg.gradle.profiler.scenario=" + scenario.getName());
allBuildsJvmArgsCalculator.calculateJvmArgs(allBuildsJvmArgs);
logJvmArgs(allBuildsJvmArgs);
List<String> allBuildsGradleArgs = new ArrayList<>();
allBuildsGradleArgs.add("--gradle-user-home");
allBuildsGradleArgs.add(settings.getGradleUserHome().getAbsolutePath());
for (Map.Entry<String, String> entry : scenario.getSystemProperties().entrySet()) {
allBuildsGradleArgs.add("-D" + entry.getKey() + "=" + entry.getValue());
}
allBuildsGradleArgs.addAll(scenario.getGradleArgs());
if (settings.isDryRun()) {
allBuildsGradleArgs.add("--dry-run");
}
allBuildsGradleArgsCalculator.calculateGradleArgs(allBuildsGradleArgs);
logGradleArgs(allBuildsGradleArgs);
BuildUnderTestInvoker uninstrumented = new BuildUnderTestInvoker(allBuildsJvmArgs, allBuildsGradleArgs, gradleClient, pidInstrumentation, buildOperationInstrumentation);
BuildStepAction<?> cleanupStep = cleanupStep(uninstrumented, mutator, scenario, buildConfiguration);
BuildStepAction<GradleBuildInvocationResult> warmupBuildStep = buildStep(uninstrumented, scenario);
mutator.beforeScenario(scenarioContext);
GradleBuildInvocationResult results = null;
String pid = null;
for (int iteration = 1; iteration <= scenario.getWarmUpCount(); iteration++) {
BuildContext buildContext = scenarioContext.withBuild(WARM_UP, iteration);
cleanupStep.run(buildContext, CLEANUP);
results = runMeasured(buildContext, mutator, warmupBuildStep, resultConsumer);
if (pid == null) {
pid = results.getDaemonPid();
} else {
checkPid(pid, results.getDaemonPid(), scenario.getInvoker());
}
}
ProfilerController control = settings.getProfiler().newController(pid, scenarioSettings);
List<String> instrumentedBuildJvmArgs = new ArrayList<>(allBuildsJvmArgs);
settings.getProfiler().newInstrumentedBuildsJvmArgsCalculator(scenarioSettings).calculateJvmArgs(instrumentedBuildJvmArgs);
List<String> instrumentedBuildGradleArgs = new ArrayList<>(allBuildsGradleArgs);
settings.getProfiler().newInstrumentedBuildsGradleArgsCalculator(scenarioSettings).calculateGradleArgs(instrumentedBuildGradleArgs);
Logging.detailed().println();
Logging.detailed().println("* Using args for instrumented builds:");
if (!instrumentedBuildJvmArgs.equals(allBuildsJvmArgs)) {
logJvmArgs(instrumentedBuildJvmArgs);
}
if (!instrumentedBuildGradleArgs.equals(allBuildsGradleArgs)) {
logGradleArgs(instrumentedBuildGradleArgs);
}
BuildUnderTestInvoker instrumentedBuildInvoker = uninstrumented.withJvmArgs(instrumentedBuildJvmArgs).withGradleArgs(instrumentedBuildGradleArgs);
BuildStepAction<GradleBuildInvocationResult> measuredBuildStep = buildStep(instrumentedBuildInvoker, scenario);
RecordingBuildStepAction recordingBuildStep = new RecordingBuildStepAction(measuredBuildStep, cleanupStep, scenario, control);
control.startSession();
for (int i = 1; i <= scenario.getBuildCount(); i++) {
BuildContext buildContext = scenarioContext.withBuild(MEASURE, i);
cleanupStep.run(buildContext, CLEANUP);
results = runMeasured(buildContext, mutator, recordingBuildStep, resultConsumer);
}
control.stopSession();
Objects.requireNonNull(results);
checkPid(pid, results.getDaemonPid(), scenario.getInvoker());
} finally {
mutator.afterScenario(scenarioContext);
gradleClient.close();
daemonControl.stop(buildConfiguration);
}
}
private BuildStepAction<GradleBuildInvocationResult> buildStep(BuildUnderTestInvoker invoker, GradleScenarioDefinition scenario) {
return invoker.create(scenario.getAction());
}
private BuildStepAction<?> cleanupStep(BuildUnderTestInvoker invoker, BuildMutator buildMutator, GradleScenarioDefinition scenario, GradleBuildConfiguration buildConfiguration) {
BuildStepAction<GradleBuildInvocationResult> cleanupStep = invoker.create(scenario.getCleanupAction());
if (scenario.getInvoker().isShouldCleanUpDaemon()) {
cleanupStep = new StopDaemonAfterAction<>(cleanupStep, daemonControl, buildConfiguration);
}
return new RunCleanupStepAction<>(cleanupStep, buildMutator);
}
private void logGradleArgs(List<String> allBuildsGradleArgs) {
Logging.detailed().println("Gradle args:");
for (String arg : allBuildsGradleArgs) {
Logging.detailed().println(" " + arg);
}
}
private void logJvmArgs(List<String> allBuildsJvmArgs) {
Logging.detailed().println("JVM args:");
for (String jvmArg : allBuildsJvmArgs) {
Logging.detailed().println(" " + jvmArg);
}
}
private static void checkPid(String expected, String actual, GradleBuildInvoker invoker) {
if (invoker.isReuseDaemon()) {
if (!expected.equals(actual)) {
throw new RuntimeException("Multiple Gradle daemons were used.");
}
} else {
if (expected.equals(actual)) {
throw new RuntimeException("Gradle daemon was reused but should not be reused.");
}
}
}
}