| /* |
| * 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.Serializable; |
| |
| import org.apache.logging.log4j.Level; |
| import org.apache.logging.log4j.core.LogEvent; |
| import org.apache.logging.log4j.core.impl.Log4jLogEvent; |
| 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.Scope; |
| import org.openjdk.jmh.annotations.Setup; |
| import org.openjdk.jmh.annotations.State; |
| import org.openjdk.jmh.infra.Blackhole; |
| |
| @State(Scope.Thread) |
| public class Log4jLogEventBenchmark { |
| private static Message MESSAGE; |
| private static Throwable ERROR; |
| private static TestClass TESTER; |
| |
| @Setup |
| public void setup() { |
| MESSAGE = new SimpleMessage("Test message"); |
| ERROR = new Exception("test"); |
| TESTER = new TestClass(); |
| } |
| |
| @Benchmark |
| public void testBaseline(final Blackhole bh) { |
| } |
| |
| @Benchmark |
| public LogEvent createLogEventWithoutException() { |
| return new Log4jLogEvent("a.b.c", null, "a.b.c", Level.INFO, MESSAGE, null, null); |
| } |
| |
| @Benchmark |
| public LogEvent createLogEventWithoutExceptionUsingBuilder() { |
| return Log4jLogEvent.newBuilder().setLoggerName("a.b.c").setLoggerFqcn("a.b.c").setLevel(Level.INFO) |
| .setMessage(MESSAGE).build(); |
| } |
| |
| @Benchmark |
| public LogEvent createLogEventWithExceptionUsingBuilder() { |
| return Log4jLogEvent.newBuilder().setLoggerName("a.b.c").setLoggerFqcn("a.b.c").setLevel(Level.INFO) |
| .setMessage(MESSAGE).setThrown(ERROR).build(); |
| } |
| |
| @Benchmark |
| public StackTraceElement getSourceLocationOfLogEvent() { |
| |
| return TESTER.getEventSource(this.getClass().getName()); |
| } |
| |
| @Benchmark |
| public Serializable createSerializableLogEventProxyWithoutException(final Blackhole bh) { |
| final Log4jLogEvent event = new Log4jLogEvent("a.b.c", null, "a.b.c", Level.INFO, MESSAGE, null, null); |
| final Serializable obj = Log4jLogEvent.serialize(event, false); |
| bh.consume(obj); |
| return obj; |
| } |
| |
| @Benchmark |
| public Serializable createSerializableLogEventProxyWithoutExceptionWithLocation(final Blackhole bh) { |
| final Log4jLogEvent event = new Log4jLogEvent("a.b.c", null, "a.b.c", Level.INFO, MESSAGE, null, null); |
| final Serializable obj = Log4jLogEvent.serialize(event, true); |
| bh.consume(obj); |
| return obj; |
| } |
| |
| @Benchmark |
| public Serializable createSerializableLogEventProxyWithException(final Blackhole bh) { |
| final Log4jLogEvent event = new Log4jLogEvent("a.b.c", null, "a.b.c", Level.INFO, MESSAGE, null, ERROR); |
| final Serializable obj = Log4jLogEvent.serialize(event, false); |
| bh.consume(obj); |
| return obj; |
| } |
| |
| private static class TestClass { |
| private static final String FQCN = TestClass.class.getName(); |
| |
| public StackTraceElement getEventSource(final String loggerName) { |
| final LogEvent event = Log4jLogEvent.newBuilder().setLoggerName(loggerName) |
| .setLoggerFqcn(FQCN).setLevel(Level.INFO).setMessage(MESSAGE).build(); |
| event.setIncludeLocation(true); |
| return event.getSource(); |
| } |
| } |
| |
| // ============================== HOW TO RUN THIS TEST: ==================================== |
| // |
| // In sampling mode (latency test): |
| // java -jar log4j-perf/target/benchmarks.jar ".*Log4jLogEventBenchmark.*" -i 5 -f 1 -wi 5 -bm sample -tu ns |
| // |
| // Throughput test: |
| // java -jar benchmarks.jar ".*Log4jLogEventBenchmark.*" -i 5 -f 1 -wi 5 -bm Throughput -tu ms |
| // |
| // Usage help: |
| // java -jar log4j-perf/target/benchmarks.jar -help |
| // |
| } |