InfraControl.java
/*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
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* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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package org.openjdk.jmh.runner;
import org.openjdk.jmh.infra.BenchmarkParams;
import org.openjdk.jmh.infra.Control;
import org.openjdk.jmh.infra.IterationParams;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicInteger;
/**
* The InfraControl logic class.
* This is the rendezvous class for benchmark handler and JMH.
*/
public final class InfraControl extends InfraControlL2 {
byte b3_00, b3_01, b3_02, b3_03, b3_04, b3_05, b3_06, b3_07, b3_08, b3_09, b3_0a, b3_0b, b3_0c, b3_0d, b3_0e, b3_0f;
long b3_10, b3_11, b3_12, b3_13, b3_14, b3_15, b3_16, b3_17, b3_18, b3_19, b3_1a, b3_1b, b3_1c, b3_1d, b3_1e, b3_1f;
long b3_20, b3_21, b3_22, b3_23, b3_24, b3_25, b3_26, b3_27, b3_28, b3_29, b3_2a, b3_2b, b3_2c, b3_2d, b3_2e, b3_2f;
public InfraControl(BenchmarkParams benchmarkParams, IterationParams iterationParams,
CountDownLatch preSetup, CountDownLatch preTearDown,
boolean firstIteration, boolean lastIteration,
boolean shouldYield,
Control notifyControl) {
super(benchmarkParams, iterationParams, preSetup, preTearDown, firstIteration, lastIteration, shouldYield, notifyControl);
}
/**
* @return requested loop duration in milliseconds.
*/
public int getDurationMs() {
long ms = getDuration(TimeUnit.MILLISECONDS);
int ims = (int) ms;
if (ms != ims) {
throw new IllegalStateException("Integer truncation problem");
}
return ims;
}
/**
* @param unit timeunit to use
* @return requested loop duration in the requested unit.
*/
public long getDuration(TimeUnit unit) {
return iterationParams.getTime().convertTo(unit);
}
public void preSetup() {
preSetup.countDown();
while (true) {
try {
preSetup.await();
return;
} catch (InterruptedException e) {
// Do not accept interrupts here.
}
}
}
public void preTearDown() {
preTearDown.countDown();
while (true) {
try {
preTearDown.await();
return;
} catch (InterruptedException e) {
// Do not accept interrupts here.
}
}
}
public void preSetupForce() {
preSetup.countDown();
}
public void preTearDownForce() {
preTearDown.countDown();
}
public boolean isLastIteration() {
return lastIteration;
}
public void announceDone() {
isDone = true;
notifyControl.stopMeasurement = true;
}
}
abstract class InfraControlL2 extends InfraControlL1 {
/**
* Flag that checks for time expiration.
* This is specifically the public field, so to spare one virtual call.
*/
public volatile boolean isDone;
/**
* Flag that checks for failure experienced by any measurement thread.
* This is specifically the public field, so to spare one virtual call.
*/
public volatile boolean isFailing;
public volatile boolean volatileSpoiler;
public final CountDownLatch preSetup;
public final CountDownLatch preTearDown;
public final boolean firstIteration;
public final boolean lastIteration;
public final boolean shouldYield;
public final AtomicInteger warmupVisited, warmdownVisited;
public volatile boolean warmupShouldWait, warmdownShouldWait;
public final CountDownLatch warmupDone, warmdownDone;
public final BenchmarkParams benchmarkParams;
public final IterationParams iterationParams;
public final Control notifyControl;
private final boolean shouldSynchIterations;
private final int threads;
public InfraControlL2(BenchmarkParams benchmarkParams, IterationParams iterationParams,
CountDownLatch preSetup, CountDownLatch preTearDown,
boolean firstIteration, boolean lastIteration,
boolean shouldYield,
Control notifyControl) {
warmupVisited = new AtomicInteger();
warmdownVisited = new AtomicInteger();
warmupDone = new CountDownLatch(1);
warmdownDone = new CountDownLatch(1);
shouldSynchIterations = benchmarkParams.shouldSynchIterations();
threads = benchmarkParams.getThreads();
warmupShouldWait = shouldSynchIterations;
warmdownShouldWait = shouldSynchIterations;
this.notifyControl = notifyControl;
this.preSetup = preSetup;
this.preTearDown = preTearDown;
this.firstIteration = firstIteration;
this.lastIteration = lastIteration;
this.shouldYield = shouldYield;
this.benchmarkParams = benchmarkParams;
this.iterationParams = iterationParams;
}
public void announceWarmupReady() {
if (!shouldSynchIterations) return;
int v = warmupVisited.incrementAndGet();
if (v == threads) {
warmupShouldWait = false;
warmupDone.countDown();
}
if (v > threads) {
throw new IllegalStateException("More threads than expected");
}
}
public void announceWarmdownReady() {
if (!shouldSynchIterations) return;
int v = warmdownVisited.incrementAndGet();
if (v == threads) {
warmdownShouldWait = false;
warmdownDone.countDown();
}
if (v > threads) {
throw new IllegalStateException("More threads than expected");
}
}
public void awaitWarmupReady() {
if (warmupShouldWait) {
try {
warmupDone.await();
} catch (InterruptedException e) {
// ignore
}
}
}
public void awaitWarmdownReady() {
if (warmdownShouldWait) {
try {
warmdownDone.await();
} catch (InterruptedException e) {
// ignore
}
}
}
public String getParam(String name) {
String param = benchmarkParams.getParam(name);
if (param == null) {
throw new IllegalStateException("The value for the parameter \"" + name + "\" is not set.");
}
return param;
}
}
abstract class InfraControlL1 {
byte b1_00, b1_01, b1_02, b1_03, b1_04, b1_05, b1_06, b1_07, b1_08, b1_09, b1_0a, b1_0b, b1_0c, b1_0d, b1_0e, b1_0f;
long b1_10, b1_11, b1_12, b1_13, b1_14, b1_15, b1_16, b1_17, b1_18, b1_19, b1_1a, b1_1b, b1_1c, b1_1d, b1_1e, b1_1f;
long b1_20, b1_21, b1_22, b1_23, b1_24, b1_25, b1_26, b1_27, b1_28, b1_29, b1_2a, b1_2b, b1_2c, b1_2d, b1_2e, b1_2f;
}