| /* |
| * 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.util.concurrent.TimeUnit; |
| //import java.lang.StackWalker; |
| |
| import org.apache.logging.log4j.Level; |
| import org.apache.logging.log4j.LogManager; |
| import org.apache.logging.log4j.Logger; |
| import org.apache.logging.log4j.core.LoggerContext; |
| import org.apache.logging.log4j.core.config.Configuration; |
| import org.apache.logging.log4j.core.config.DefaultConfiguration; |
| import org.apache.logging.log4j.message.Message; |
| import org.apache.logging.log4j.message.SimpleMessage; |
| 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; |
| import org.openjdk.jmh.infra.Blackhole; |
| |
| /** |
| * Tests the overhead of disabled logging. |
| */ |
| // ============================== HOW TO RUN THIS TEST: ==================================== |
| // |
| // java -jar log4j-perf/target/benchmarks.jar ".*SimpleBenchmark.*" -f 1 -wi 5 -i 5 |
| // |
| // Usage help: |
| // java -jar log4j-perf/target/benchmarks.jar -help |
| // |
| @State(Scope.Thread) |
| public class SimpleBenchmark { |
| private static final String msg = "This is a test"; |
| private Logger logger; |
| |
| @Setup |
| public void setup() { |
| final Configuration config = (LoggerContext.getContext()).getConfiguration(); |
| if (!DefaultConfiguration.DEFAULT_NAME.equals(config.getName())) { |
| System.out.println("Configuration was " + config.getName()); |
| (LoggerContext.getContext()).start(new DefaultConfiguration()); |
| } |
| logger = LogManager.getLogger(SimpleBenchmark.class.getName()); |
| } |
| |
| @BenchmarkMode(Mode.Throughput) |
| @OutputTimeUnit(TimeUnit.SECONDS) |
| @Benchmark |
| public void testBaselineThroughput(final Blackhole bh) { |
| } |
| |
| @BenchmarkMode(Mode.Throughput) |
| @OutputTimeUnit(TimeUnit.SECONDS) |
| @Benchmark |
| public void testIsDebugEnabledThroughput(final Blackhole bh) { |
| bh.consume(logger.isDebugEnabled()); |
| } |
| |
| @BenchmarkMode(Mode.Throughput) |
| @OutputTimeUnit(TimeUnit.SECONDS) |
| @Benchmark |
| public void testIsEnabledLevelThroughput(final Blackhole bh) { |
| bh.consume(logger.isEnabled(Level.DEBUG)); |
| } |
| |
| @BenchmarkMode(Mode.Throughput) |
| @OutputTimeUnit(TimeUnit.SECONDS) |
| @Benchmark |
| public void testDebugDisabledThroughput(final Blackhole bh) { |
| logger.debug(msg); |
| } |
| |
| |
| @BenchmarkMode(Mode.Throughput) |
| @OutputTimeUnit(TimeUnit.SECONDS) |
| @Benchmark |
| public void testDebugMessageDisabledThroughput(final Blackhole bh) { |
| logger.debug((Message) new SimpleMessage(msg)); |
| } |
| |
| @BenchmarkMode(Mode.SampleTime) |
| @OutputTimeUnit(TimeUnit.NANOSECONDS) |
| @Benchmark |
| public void testBaselineResponseTime(final Blackhole bh) { |
| } |
| |
| @BenchmarkMode(Mode.SampleTime) |
| @OutputTimeUnit(TimeUnit.NANOSECONDS) |
| @Benchmark |
| public void testIsDebugEnabledResponseTime(final Blackhole bh) { |
| bh.consume(logger.isDebugEnabled()); |
| } |
| |
| @BenchmarkMode(Mode.SampleTime) |
| @OutputTimeUnit(TimeUnit.NANOSECONDS) |
| @Benchmark |
| public void testIsEnabledLevelResponseTime(final Blackhole bh) { |
| bh.consume(logger.isEnabled(Level.DEBUG)); |
| } |
| |
| @BenchmarkMode(Mode.SampleTime) |
| @OutputTimeUnit(TimeUnit.NANOSECONDS) |
| @Benchmark |
| public void testDebugDisabledResponseTime(final Blackhole bh) { |
| logger.debug(msg); |
| } |
| |
| @BenchmarkMode(Mode.SampleTime) |
| @OutputTimeUnit(TimeUnit.NANOSECONDS) |
| @Benchmark |
| public void testDebugDisabledMessageResponseTime(final Blackhole bh) { |
| logger.debug((Message) new SimpleMessage(msg)); |
| } |
| /* |
| @BenchmarkMode(Mode.SampleTime) |
| @OutputTimeUnit(TimeUnit.NANOSECONDS) |
| @Benchmark |
| public void testCallerStack(final Blackhole bh) { |
| StackWalker walker = StackWalker.getInstance(); |
| StackWalker.StackFrame frame = walker.walk(s -> s.skip(2).findFirst()); |
| } */ |
| } |