1 /* 2 * Copyright (c) 2017, 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 TestConcurrentPhaseControl 26 * @bug 8169517 27 * @requires vm.gc.G1 28 * @summary Test of WhiteBox concurrent GC phase control. 29 * @key gc 30 * @modules java.base 31 * @library /test/lib 32 * @build sun.hotspot.WhiteBox 33 * @run main ClassFileInstaller sun.hotspot.WhiteBox 34 * @run driver TestConcurrentPhaseControlG1 35 */ 36 37 import jdk.test.lib.gc.TestConcurrentPhaseControlSupport; 38 39 public class TestConcurrentPhaseControlG1 40 extends TestConcurrentPhaseControlSupport 41 { 42 // Pairs of phase name and regex to match log string. 43 private static final String[][] g1Phases = { 44 // Step through the phases in order. 45 {"IDLE", null}, 46 {"CONCURRENT_CYCLE", "Concurrent Cycle"}, 47 {"IDLE", null}, // Resume IDLE before testing subphases 48 {"CLEAR_CLAIMED_MARKS", "Concurrent Clear Claimed Marks"}, 49 {"SCAN_ROOT_REGIONS", "Concurrent Scan Root Regions"}, 50 // ^F so not "From Roots", ^R so not "Restart" 51 {"CONCURRENT_MARK", "Concurrent Mark [^FR]"}, 52 {"IDLE", null}, // Resume IDLE before testing subphases 53 {"MARK_FROM_ROOTS", "Concurrent Mark From Roots"}, 54 {"BEFORE_REMARK", null}, 55 {"CREATE_LIVE_DATA", "Concurrent Create Live Data"}, 56 // "COMPLETE_CLEANUP", -- optional phase, not reached by this test 57 {"CLEANUP_FOR_NEXT_MARK", "Concurrent Cleanup for Next Mark"}, 58 // Clear request 59 {"IDLE", null}, 60 {"ANY", null}, 61 // Request a phase. 62 {"MARK_FROM_ROOTS", "Concurrent Mark From Roots"}, 63 // Request an earlier phase, to ensure loop rather than stuck at idle. 64 {"SCAN_ROOT_REGIONS", "Concurrent Scan Root Regions"}, 65 // Clear request, to unblock service. 66 {"IDLE", null}, 67 {"ANY", null}, 68 }; 69 70 protected String[][] gcPhases() { 71 return g1Phases; 72 } 73 74 protected String[] gcOptions() { 75 return new String[]{"-XX:+UseG1GC", "-Xlog:gc,gc+marking"}; 76 } 77 78 protected String executorClassName() { 79 return G1Test.class.getName(); 80 } 81 82 protected String gcName() { 83 return "G1"; 84 } 85 86 public static void main(String[] args) throws Exception { 87 TestConcurrentPhaseControlG1 test = new TestConcurrentPhaseControlG1(); 88 test.run(); 89 } 90 91 static class G1Test extends TestConcurrentPhaseControlSupport.Executor 92 { 93 protected String[][] gcPhases() { 94 return g1Phases; 95 } 96 97 public static void main(String[] args) throws Exception { 98 G1Test test = new G1Test(); 99 test.run(); 100 } 101 } 102 }