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/* |
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* Copyright (C) 2019, Matthias Sohn <matthias.sohn@sap.com> |
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* and other copyright owners as documented in the project's IP log. |
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* |
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* This program and the accompanying materials are made available |
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* under the terms of the Eclipse Distribution License v1.0 which |
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* accompanies this distribution, is reproduced below, and is |
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* available at http://www.eclipse.org/org/documents/edl-v10.php |
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* |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or |
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* without modification, are permitted provided that the following |
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* conditions are met: |
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* |
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* - Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* |
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* - Redistributions in binary form must reproduce the above |
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* copyright notice, this list of conditions and the following |
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* disclaimer in the documentation and/or other materials provided |
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* with the distribution. |
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* |
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* - Neither the name of the Eclipse Foundation, Inc. nor the |
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* names of its contributors may be used to endorse or promote |
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* products derived from this software without specific prior |
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* written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND |
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* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, |
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR |
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF |
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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package org.eclipse.jgit.benchmarks; |
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import java.io.IOException; |
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import java.nio.file.FileStore; |
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import java.nio.file.Files; |
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import java.nio.file.Path; |
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import java.util.concurrent.TimeUnit; |
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import org.eclipse.jgit.util.FileUtils; |
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import org.openjdk.jmh.annotations.Benchmark; |
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import org.openjdk.jmh.annotations.BenchmarkMode; |
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import org.openjdk.jmh.annotations.Mode; |
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import org.openjdk.jmh.annotations.OutputTimeUnit; |
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import org.openjdk.jmh.annotations.Scope; |
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import org.openjdk.jmh.annotations.Setup; |
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import org.openjdk.jmh.annotations.State; |
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import org.openjdk.jmh.annotations.TearDown; |
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import org.openjdk.jmh.profile.StackProfiler; |
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import org.openjdk.jmh.runner.Runner; |
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import org.openjdk.jmh.runner.RunnerException; |
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import org.openjdk.jmh.runner.options.Options; |
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import org.openjdk.jmh.runner.options.OptionsBuilder; |
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@State(Scope.Thread) |
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public class LookupFileStoreBenchmark { |
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Path path; |
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@Setup |
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public void setupBenchmark() throws IOException { |
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path = Files.createTempFile("test", "x"); |
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} |
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@TearDown |
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public void teardown() throws IOException { |
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FileUtils.delete(path.toFile(), FileUtils.RETRY); |
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} |
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@Benchmark |
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@BenchmarkMode({ Mode.AverageTime }) |
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@OutputTimeUnit(TimeUnit.NANOSECONDS) |
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public FileStore testLookupFileStore() throws IOException { |
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FileStore fs = Files.getFileStore(path); |
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return fs; |
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} |
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public static void main(String[] args) throws RunnerException { |
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Options opt = new OptionsBuilder() |
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.include(LookupFileStoreBenchmark.class.getSimpleName()) |
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.addProfiler(StackProfiler.class) |
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// .addProfiler(GCProfiler.class) |
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.forks(1).jvmArgs("-ea").build(); |
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new Runner(opt).run(); |
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} |
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} |