| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache license, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the license for the specific language governing permissions and |
| * limitations under the license. |
| */ |
| |
| package org.apache.logging.log4j.perf.jmh; |
| |
| import java.io.ByteArrayInputStream; |
| import java.io.IOException; |
| import java.util.concurrent.TimeUnit; |
| |
| import org.apache.logging.log4j.core.LoggerContext; |
| import org.apache.logging.log4j.core.config.ConfigurationSource; |
| import org.apache.logging.log4j.core.config.Configurator; |
| import org.openjdk.jmh.annotations.Benchmark; |
| import org.openjdk.jmh.annotations.BenchmarkMode; |
| import org.openjdk.jmh.annotations.Mode; |
| import org.openjdk.jmh.annotations.OutputTimeUnit; |
| import org.openjdk.jmh.annotations.Scope; |
| import org.openjdk.jmh.annotations.Setup; |
| import org.openjdk.jmh.annotations.State; |
| |
| /** |
| * This benchmark demonstrates how long it takes for a simple XML configuration file to be parsed and initialize a new |
| * {@link org.apache.logging.log4j.core.LoggerContext} using that configuration. |
| */ |
| // TO RUN THIS TEST: |
| // java -jar target/benchmarks.jar '.*ConfiguratorInitializeBenchmark.*' |
| @State(Scope.Thread) |
| public class ConfiguratorInitializeBenchmark { |
| |
| private static final String inlineConfigurationXML = "<Configuration name='ConfiguratorInitializeTest' status='off'>" |
| + "<Appenders>" |
| + "<Console name='STDOUT'>" |
| + "<PatternLayout pattern='%m%n'/>" |
| + "</Console>" |
| + "</Appenders>" |
| + "<Loggers>" |
| + "<Root level='error'>" |
| + "<AppenderRef ref='STDOUT'/>" |
| + "</Root>" |
| + "</Loggers>" + "</Configuration>"; |
| |
| private ConfigurationSource configurationSource; |
| |
| @Setup |
| public void setUp() throws IOException { |
| configurationSource = new ConfigurationSource(new ByteArrayInputStream(inlineConfigurationXML.getBytes())); |
| } |
| |
| @Benchmark |
| @BenchmarkMode(Mode.SingleShotTime) |
| @OutputTimeUnit(TimeUnit.MILLISECONDS) |
| public LoggerContext initializeLoggerContext() { |
| return Configurator.initialize(null, configurationSource); |
| } |
| |
| } |