| /* |
| * 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.geode.benchmark.parameters; |
| |
| import static org.apache.geode.benchmark.parameters.JavaVersion.v11; |
| import static org.apache.geode.benchmark.parameters.Utils.configureGeodeProductJvms; |
| |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import org.apache.geode.perftest.TestConfig; |
| |
| public class GcParameters { |
| private static final Logger logger = LoggerFactory.getLogger(GcParameters.class); |
| |
| public static void configure(final TestConfig testConfig) { |
| final GcImplementation gcImplementation = |
| GcImplementation.valueOf(System.getProperty("benchmark.withGc", "CMS")); |
| logger.info("Configuring {} GC.", gcImplementation); |
| switch (gcImplementation) { |
| case CMS: |
| configureCms(testConfig); |
| break; |
| case G1: |
| configureG1(testConfig); |
| break; |
| case Z: |
| configureZ(testConfig); |
| break; |
| case Shenandoah: |
| configureShenandoah(testConfig); |
| break; |
| case Epsilon: |
| configureEpsilon(testConfig); |
| break; |
| } |
| } |
| |
| private static void configureEpsilon(final TestConfig testConfig) { |
| configureGeodeProductJvms(testConfig, |
| "-XX:+UnlockExperimentalVMOptions", |
| "-XX:+UseEpsilonGC", |
| "-XX:+UseNUMA"); |
| } |
| |
| private static void configureShenandoah(final TestConfig testConfig) { |
| configureGeodeProductJvms(testConfig, |
| "-XX:+UnlockExperimentalVMOptions", |
| "-XX:+UseShenandoahGC", |
| "-XX:+AlwaysPreTouch", |
| "-XX:+UseNUMA"); |
| } |
| |
| private static void configureZ(final TestConfig testConfig) { |
| final JavaVersion javaVersion = JavaVersion.current(); |
| if (javaVersion.olderThan(v11)) { |
| throw new IllegalArgumentException("ZGC requires Java 11 or newer"); |
| } |
| configureGeodeProductJvms(testConfig, |
| "-XX:+UnlockExperimentalVMOptions", |
| "-XX:+UseZGC"); |
| } |
| |
| private static void configureG1(final TestConfig testConfig) { |
| configureGeodeProductJvms(testConfig, |
| "-XX:+UseG1GC", |
| "-XX:+UseNUMA", |
| "-XX:+ScavengeBeforeFullGC"); |
| } |
| |
| private static void configureCms(final TestConfig testConfig) { |
| configureGeodeProductJvms(testConfig, |
| "-XX:+UseConcMarkSweepGC", |
| "-XX:+UseCMSInitiatingOccupancyOnly", |
| "-XX:+CMSClassUnloadingEnabled", |
| "-XX:+CMSScavengeBeforeRemark", |
| "-XX:CMSInitiatingOccupancyFraction=60", |
| "-XX:+UseNUMA", |
| "-XX:+ScavengeBeforeFullGC", |
| "-XX:+UnlockDiagnosticVMOptions", |
| "-XX:ParGCCardsPerStrideChunk=32768"); |
| } |
| |
| } |