1 /* 2 * Copyright (c) 2017, 2018, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /* 25 * @test TestConcurrentPhaseControlG1Basics 26 * @bug 8169517 27 * @requires vm.gc.G1 28 * @summary Verify G1 supports concurrent phase control and has the 29 * expected set of phases. 30 * @key gc 31 * @modules java.base 32 * @library /test/lib / 33 * @build sun.hotspot.WhiteBox 34 * @run driver ClassFileInstaller sun.hotspot.WhiteBox 35 * sun.hotspot.WhiteBox$WhiteBoxPermission 36 * @run main/othervm -XX:+UseG1GC 37 * -Xbootclasspath/a:. 38 * -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI 39 * TestConcurrentPhaseControlG1Basics 40 */ 41 42 import gc.concurrent_phase_control.CheckSupported; 43 44 public class TestConcurrentPhaseControlG1Basics { 45 46 private static final String[] phases = { 47 "ANY", 48 "IDLE", 49 "CONCURRENT_CYCLE", 50 "CLEAR_CLAIMED_MARKS", 51 "SCAN_ROOT_REGIONS", 52 "CONCURRENT_MARK", 53 "MARK_FROM_ROOTS", 54 "PRECLEAN", 55 "BEFORE_REMARK", 56 "REMARK", 57 "REBUILD_REMEMBERED_SETS", 58 "CLEANUP_FOR_NEXT_MARK", 59 }; 60 61 public static void main(String[] args) throws Exception { 62 CheckSupported.check("G1", phases); 63 } 64 }