1 /* 2 * Copyright (c) 2013, 2015, 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 TestRemsetLogging.java 26 * @bug 8013895 8129977 27 * @library /testlibrary /test/lib 28 * @modules java.base/sun.misc 29 * java.management/sun.management 30 * @build TestRemsetLoggingTools TestRemsetLogging 31 * @run main ClassFileInstaller sun.hotspot.WhiteBox 32 * sun.hotspot.WhiteBox$WhiteBoxPermission 33 * @summary Verify output of -Xlog:gc+remset*=trace 34 * @run main TestRemsetLogging 35 * 36 * Test the output of -Xlog:gc+remset*=trace in conjunction with G1SummarizeRSetStatsPeriod. 37 */ 38 39 public class TestRemsetLogging { 40 41 public static void main(String[] args) throws Exception { 42 String result; 43 44 // no remembered set summary output 45 result = TestRemsetLoggingTools.runTest(null, 0); 46 TestRemsetLoggingTools.expectRSetSummaries(result, 0, 0); 47 48 // no remembered set summary output 49 result = TestRemsetLoggingTools.runTest(null, 2); 50 TestRemsetLoggingTools.expectRSetSummaries(result, 0, 0); 51 52 // no remembered set summary output 53 result = TestRemsetLoggingTools.runTest(new String[] { "-XX:G1SummarizeRSetStatsPeriod=1" }, 3); 54 TestRemsetLoggingTools.expectRSetSummaries(result, 0, 0); 55 56 // single remembered set summary output at the end 57 result = TestRemsetLoggingTools.runTest(new String[] { "-Xlog:gc+remset*=trace" }, 0); 58 TestRemsetLoggingTools.expectRSetSummaries(result, 1, 0); 59 60 // single remembered set summary output at the end 61 result = TestRemsetLoggingTools.runTest(new String[] { "-Xlog:gc+remset*=trace" }, 2); 62 TestRemsetLoggingTools.expectRSetSummaries(result, 1, 0); 63 64 // single remembered set summary output 65 result = TestRemsetLoggingTools.runTest(new String[] { "-Xlog:gc+remset*=trace", "-XX:G1SummarizeRSetStatsPeriod=1" }, 0); 66 TestRemsetLoggingTools.expectRSetSummaries(result, 1, 0); 67 68 // two times remembered set summary output 69 result = TestRemsetLoggingTools.runTest(new String[] { "-Xlog:gc+remset*=trace", "-XX:G1SummarizeRSetStatsPeriod=1" }, 1); 70 TestRemsetLoggingTools.expectRSetSummaries(result, 1, 2); 71 72 // four times remembered set summary output 73 result = TestRemsetLoggingTools.runTest(new String[] { "-Xlog:gc+remset*=trace", "-XX:G1SummarizeRSetStatsPeriod=1" }, 3); 74 TestRemsetLoggingTools.expectRSetSummaries(result, 1, 6); 75 76 // three times remembered set summary output 77 result = TestRemsetLoggingTools.runTest(new String[] { "-Xlog:gc+remset*=trace", "-XX:G1SummarizeRSetStatsPeriod=2" }, 3); 78 TestRemsetLoggingTools.expectRSetSummaries(result, 1, 4); 79 80 // single remembered set summary output 81 result = TestRemsetLoggingTools.runTest(new String[] { "-Xlog:gc+remset*=trace", "-XX:G1SummarizeRSetStatsPeriod=100" }, 3); 82 TestRemsetLoggingTools.expectRSetSummaries(result, 1, 2); 83 } 84 } 85