| /* |
| * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| package gc.g1.plab.lib; |
| |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.Collections; |
| import java.util.List; |
| import jdk.test.lib.process.OutputAnalyzer; |
| import jdk.test.lib.Utils; |
| |
| /** |
| * Utilities for PLAB testing. |
| */ |
| public class PLABUtils { |
| |
| /** |
| * PLAB tests default options list |
| */ |
| private final static String[] GC_TUNE_OPTIONS = { |
| "-XX:+UseG1GC", |
| "-XX:G1HeapRegionSize=1m", |
| "-XX:OldSize=64m", |
| "-XX:-UseAdaptiveSizePolicy", |
| "-XX:MaxTenuringThreshold=1", |
| "-XX:-UseTLAB", |
| "-XX:SurvivorRatio=1" |
| }; |
| |
| /** |
| * GC logging options list. |
| */ |
| private final static String G1_PLAB_LOGGING_OPTIONS[] = { |
| "-Xlog:gc=debug,gc+plab=debug,gc+heap=debug" |
| }; |
| |
| /** |
| * List of options required to use WhiteBox. |
| */ |
| private final static String WB_DIAGNOSTIC_OPTIONS[] = { |
| "-Xbootclasspath/a:.", |
| "-XX:+UnlockDiagnosticVMOptions", |
| "-XX:+WhiteBoxAPI" |
| }; |
| |
| /** |
| * Prepares options for testing. |
| * |
| * @param options - additional options for testing |
| * @return List of options |
| */ |
| public static List<String> prepareOptions(List<String> options) { |
| if (options == null) { |
| throw new IllegalArgumentException("Options cannot be null"); |
| } |
| List<String> executionOtions = new ArrayList<>( |
| Arrays.asList(Utils.getTestJavaOpts()) |
| ); |
| Collections.addAll(executionOtions, WB_DIAGNOSTIC_OPTIONS); |
| Collections.addAll(executionOtions, G1_PLAB_LOGGING_OPTIONS); |
| Collections.addAll(executionOtions, GC_TUNE_OPTIONS); |
| executionOtions.addAll(options); |
| return executionOtions; |
| } |
| |
| /** |
| * Common check for test PLAB application's results. |
| * @param out OutputAnalyzer for checking |
| * @throws RuntimeException |
| */ |
| public static void commonCheck(OutputAnalyzer out) throws RuntimeException { |
| if (out.getExitValue() != 0) { |
| System.out.println(out.getOutput()); |
| throw new RuntimeException("Exit code is not 0"); |
| } |
| // Test expects only WhiteBox initiated GC. |
| out.shouldNotContain("Pause Young (G1 Evacuation Pause)"); |
| } |
| } |