@@ -0,0 +1,1662 @@
+/*%0A * Licensed to the Apache Software Foundation (ASF) under one or more%0A * contributor license agreements. See the NOTICE file distributed with%0A * this work for additional information regarding copyright ownership.%0A * The ASF licenses this file to You under the Apache license, Version 2.0%0A * (the %22License%22); you may not use this file except in compliance with%0A * the License. You may obtain a copy of the License at%0A *%0A *      http://www.apache.org/licenses/LICENSE-2.0%0A *%0A * Unless required by applicable law or agreed to in writing, software%0A * distributed under the License is distributed on an %22AS IS%22 BASIS,%0A * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.%0A * See the license for the specific language governing permissions and%0A * limitations under the license.%0A */%0A%0Apackage org.apache.logging.log4j.perf.jmh;%0A%0Aimport java.util.UUID;%0A%0Aimport org.apache.logging.log4j.core.util.UuidUtil;%0Aimport org.openjdk.jmh.annotations.GenerateMicroBenchmark;%0A%0A/**%0A * Compares random UUID generation with time-based UUID generation.%0A */%0A// ============================== HOW TO RUN THIS TEST: ====================================%0A//%0A// java -jar log4j-perf/target/microbenchmarks.jar %22.*UuidGeneratorBenchmark.*%22 -f 1 -wi 5 -i 5%0A//%0A// Usage help:%0A// java -jar log4j-perf/target/microbenchmarks.jar -help%0A//%0Apublic class UuidGeneratorBenchmark %7B%0A%0A    @GenerateMicroBenchmark%0A    public UUID base() %7B%0A        return null;%0A    %7D%0A%0A    @GenerateMicroBenchmark%0A    public UUID randomUUID() %7B%0A        return UUID.randomUUID();%0A    %7D%0A%0A    @GenerateMicroBenchmark%0A    public UUID timeBasedUUID() %7B%0A        return UuidUtil.getTimeBasedUuid();%0A    %7D%0A%7D%0A

Add UUID generator benchmark.