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Merge pull request #20834 from tajila/jfrtest
Add JFR test cases
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68 changes: 68 additions & 0 deletions
68
test/functional/cmdLineTests/jfr/src/org/openj9/test/VMAPITest.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,68 @@ | ||
| /* | ||
| * Copyright IBM Corp. and others 2024 | ||
| * | ||
| * This program and the accompanying materials are made available under | ||
| * the terms of the Eclipse Public License 2.0 which accompanies this | ||
| * distribution and is available at https://www.eclipse.org/legal/epl-2.0/ | ||
| * or the Apache License, Version 2.0 which accompanies this distribution and | ||
| * is available at https://www.apache.org/licenses/LICENSE-2.0. | ||
| * | ||
| * This Source Code may also be made available under the following | ||
| * Secondary Licenses when the conditions for such availability set | ||
| * forth in the Eclipse Public License, v. 2.0 are satisfied: GNU | ||
| * General Public License, version 2 with the GNU Classpath | ||
| * Exception [1] and GNU General Public License, version 2 with the | ||
| * OpenJDK Assembly Exception [2]. | ||
| * | ||
| * [1] https://www.gnu.org/software/classpath/license.html | ||
| * [2] https://openjdk.org/legal/assembly-exception.html | ||
| * | ||
| * SPDX-License-Identifier: EPL-2.0 OR Apache-2.0 OR GPL-2.0-only WITH Classpath-exception-2.0 OR GPL-2.0-only WITH OpenJDK-assembly-exception-1.0 | ||
| */ | ||
| package org.openj9.test; | ||
|
|
||
| import com.ibm.oti.vm.VM; | ||
|
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| public class VMAPITest { | ||
| public static void main(String[] args) throws Throwable { | ||
| final WorkLoad workLoad = new WorkLoad(200, 20000, 200); | ||
|
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| if (VM.isJFRRecordingStarted()) { | ||
| System.out.println("Failed should not be recording."); | ||
| return; | ||
| } | ||
|
|
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| Thread app = new Thread(() -> { | ||
| workLoad.runWork(); | ||
| }); | ||
| app.start(); | ||
|
|
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| for (int i = 0; i < 15; i++) { | ||
| Thread.sleep(100); | ||
|
|
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| if (VM.startJFR() != 0) { | ||
| System.out.println("Failed to start."); | ||
| return; | ||
| } | ||
|
|
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| if (!VM.isJFRRecordingStarted()) { | ||
| System.out.println("Failed to record."); | ||
| return; | ||
| } | ||
|
|
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| if (!VM.setJFRRecordingFileName("sample" + i + ".jfr")) { | ||
| System.out.println("Failed to set name."); | ||
| return; | ||
| } | ||
|
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| Thread.sleep(1000); | ||
| VM.jfrDump(); | ||
| VM.stopJFR(); | ||
|
|
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| if (VM.isJFRRecordingStarted()) { | ||
| System.out.println("Failed to stop recording."); | ||
| return; | ||
| } | ||
| } | ||
| } | ||
| } |
207 changes: 207 additions & 0 deletions
207
test/functional/cmdLineTests/jfr/src/org/openj9/test/WorkLoad.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,207 @@ | ||
| /* | ||
| * Copyright IBM Corp. and others 2024 | ||
| * | ||
| * This program and the accompanying materials are made available under | ||
| * the terms of the Eclipse Public License 2.0 which accompanies this | ||
| * distribution and is available at https://www.eclipse.org/legal/epl-2.0/ | ||
| * or the Apache License, Version 2.0 which accompanies this distribution and | ||
| * is available at https://www.apache.org/licenses/LICENSE-2.0. | ||
| * | ||
| * This Source Code may also be made available under the following | ||
| * Secondary Licenses when the conditions for such availability set | ||
| * forth in the Eclipse Public License, v. 2.0 are satisfied: GNU | ||
| * General Public License, version 2 with the GNU Classpath | ||
| * Exception [1] and GNU General Public License, version 2 with the | ||
| * OpenJDK Assembly Exception [2]. | ||
| * | ||
| * [1] https://www.gnu.org/software/classpath/license.html | ||
| * [2] https://openjdk.org/legal/assembly-exception.html | ||
| * | ||
| * SPDX-License-Identifier: EPL-2.0 OR Apache-2.0 OR GPL-2.0-only WITH Classpath-exception-2.0 OR GPL-2.0-only WITH OpenJDK-assembly-exception-1.0 | ||
| */ | ||
| package org.openj9.test; | ||
|
|
||
| import java.util.ArrayList; | ||
| import java.util.List; | ||
| import java.util.concurrent.Callable; | ||
| import java.util.concurrent.atomic.AtomicLong; | ||
| import java.util.concurrent.locks.LockSupport; | ||
|
|
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| public class WorkLoad { | ||
| private int numberOfThreads; | ||
| private int sizeOfNumberList; | ||
| private int repeats; | ||
|
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| public static double average; | ||
| public static double stdDev; | ||
|
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| public WorkLoad(int numberOfThreads, int sizeOfNumberList, int repeats) { | ||
| this.numberOfThreads = numberOfThreads; | ||
| this.sizeOfNumberList = sizeOfNumberList; | ||
| this.repeats = repeats; | ||
| } | ||
|
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| public static void main(String[] args) { | ||
| int numberOfThreads = 100; | ||
| int sizeOfNumberList = 10000; | ||
| int repeats = 50; | ||
|
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| if (args.length > 0) { | ||
| numberOfThreads = Integer.parseInt(args[0]); | ||
| } | ||
|
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| if (args.length > 1) { | ||
| sizeOfNumberList = Integer.parseInt(args[1]); | ||
| } | ||
|
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| if (args.length > 2) { | ||
| repeats = Integer.parseInt(args[2]); | ||
| } | ||
|
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| WorkLoad workload = new WorkLoad(numberOfThreads, sizeOfNumberList, repeats); | ||
| workload.runWork(); | ||
| } | ||
|
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| public void runWork() { | ||
| final AtomicLong completionCount = new AtomicLong(0); | ||
| Thread threads[] = new Thread[numberOfThreads]; | ||
|
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| for (int i = 0; i < numberOfThreads; i++) { | ||
| threads[i] = new Thread(() -> { | ||
| workload(); | ||
| completionCount.incrementAndGet(); | ||
| }); | ||
| threads[i].start(); | ||
| } | ||
|
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| while (completionCount.get() < numberOfThreads) { | ||
| System.out.println(completionCount.get() + " / " + numberOfThreads + " complete."); | ||
| try { | ||
| Thread.sleep(numberOfThreads * 100); | ||
| } catch (InterruptedException e) { | ||
| e.printStackTrace(); | ||
| } | ||
| } | ||
|
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| System.out.println("All runs complete. " + average + " : " + stdDev); | ||
| } | ||
|
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| private void workload() { | ||
| for (int i = 0; i < repeats; i++) { | ||
| generateAnonClasses(); | ||
| generateTimedPark(); | ||
| generateTimedSleep(); | ||
| generateTimedWait(); | ||
| throwThrowables(); | ||
| burnCPU(); | ||
| } | ||
| } | ||
|
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| private void recursiveFucntion(int depth) { | ||
| if (0 == depth) { | ||
| return; | ||
| } | ||
|
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| recursiveFucntion(depth - 1); | ||
| } | ||
|
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| private void recursiveFucntionWithCallable(int depth, Callable<?> c) { | ||
| if (0 == depth) { | ||
| try { | ||
| c.call(); | ||
| } catch (Exception e) {} | ||
| return; | ||
| } | ||
|
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| recursiveFucntionWithCallable(depth - 1, c); | ||
| } | ||
|
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| private void generateAnonClasses() { | ||
| Callable<?> c = () -> { | ||
| recursiveFucntion(30); | ||
| return 0; | ||
| }; | ||
|
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| try { | ||
| c.call(); | ||
| } catch (Exception e) {} | ||
| } | ||
|
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| private void generateTimedPark() { | ||
| recursiveFucntionWithCallable(10, () -> { | ||
| LockSupport.parkNanos(100000); | ||
| return 0; | ||
| }); | ||
| } | ||
|
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| private void generateTimedSleep() { | ||
| recursiveFucntionWithCallable(10, () -> { | ||
| Thread.sleep(100); | ||
| return 0; | ||
| }); | ||
| } | ||
|
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| private void generateTimedWait() { | ||
| recursiveFucntionWithCallable(10, () -> { | ||
| Object o = new Object(); | ||
|
|
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| synchronized(o) { | ||
| o.wait(100); | ||
| } | ||
|
|
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| return 0; | ||
| }); | ||
| } | ||
|
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| private void burnCPU() { | ||
| ArrayList<Double> numberList = new ArrayList<Double>(); | ||
|
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| for (int i = 0; i < sizeOfNumberList; i++) { | ||
| numberList.add(Math.random()); | ||
| } | ||
|
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| /* Write to public statics to avoid optimizing this code. */ | ||
| average += average(numberList); | ||
| stdDev += standardDeviation(numberList); | ||
| } | ||
|
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| private double average(List<Double> numbers) { | ||
| double sum = 0.0; | ||
|
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| for (double number : numbers) { | ||
| sum += number; | ||
| } | ||
|
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| return sum / numbers.size(); | ||
| } | ||
|
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| private double standardDeviation(List<Double> numbers) { | ||
| double mean = average(numbers); | ||
| double sumOfSquares = 0.0; | ||
|
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| for (double number : numbers) { | ||
| sumOfSquares += Math.pow(number - mean, 2); | ||
| } | ||
|
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| return Math.sqrt(sumOfSquares / (numbers.size() - 1)); | ||
| } | ||
|
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| private void throwThrowable(Class<? extends Throwable> throwable) { | ||
| try { | ||
| throw throwable.getDeclaredConstructor().newInstance(); | ||
| } catch (Throwable t) {} | ||
|
|
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| try { | ||
| throw throwable.getDeclaredConstructor().newInstance("random string: " + Math.random()); | ||
| } catch (Throwable t) {} | ||
| } | ||
|
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| private void throwThrowables() { | ||
| throwThrowable(Throwable.class); | ||
| throwThrowable(ClassFormatError.class); | ||
| throwThrowable(StackOverflowError.class); | ||
| throwThrowable(Exception.class); | ||
| throwThrowable(ClassCastException.class); | ||
| throwThrowable(NumberFormatException.class); | ||
| } | ||
| } |