1 /* 2 * Copyright (c) 2016, 2019, 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 26 * @bug 8149991 27 * @summary safepoint+cleanup=info should have output from the code 28 * @library /test/lib 29 * @modules java.base/jdk.internal.misc 30 * java.management 31 * @run driver SafepointCleanupTest 32 * @run driver SafepointCleanupTest -XX:+AsyncDeflateIdleMonitors 33 */ 34 35 import jdk.test.lib.process.OutputAnalyzer; 36 import jdk.test.lib.process.ProcessTools; 37 38 public class SafepointCleanupTest { 39 static final String ASYNC_DISABLE_OPTION = "-XX:-AsyncDeflateIdleMonitors"; 40 static final String ASYNC_ENABLE_OPTION = "-XX:+AsyncDeflateIdleMonitors"; 41 static final String UNLOCK_DIAG_OPTION = "-XX:+UnlockDiagnosticVMOptions"; 42 43 static void analyzeOutputOn(ProcessBuilder pb) throws Exception { 44 OutputAnalyzer output = new OutputAnalyzer(pb.start()); 45 output.shouldContain("[safepoint,cleanup]"); 46 output.shouldContain("safepoint cleanup tasks"); 47 output.shouldContain("deflating global idle monitors"); 48 output.shouldContain("deflating per-thread idle monitors"); 49 output.shouldContain("updating inline caches"); 50 output.shouldContain("compilation policy safepoint handler"); 51 output.shouldHaveExitValue(0); 52 } 53 54 static void analyzeOutputOff(ProcessBuilder pb) throws Exception { 55 OutputAnalyzer output = new OutputAnalyzer(pb.start()); 56 output.shouldNotContain("[safepoint,cleanup]"); 57 output.shouldHaveExitValue(0); 58 } 59 60 public static void main(String[] args) throws Exception { 61 String async_option; 62 if (args.length == 0) { 63 // By default test deflating idle monitors at a safepoint. 64 async_option = ASYNC_DISABLE_OPTION; 65 } else { 66 async_option = args[0]; 67 } 68 if (!async_option.equals(ASYNC_DISABLE_OPTION) && 69 !async_option.equals(ASYNC_ENABLE_OPTION)) { 70 throw new RuntimeException("Unknown async_option value: '" 71 + async_option + "'"); 72 } 73 74 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-Xlog:safepoint+cleanup=info", 75 UNLOCK_DIAG_OPTION, 76 async_option, 77 InnerClass.class.getName()); 78 analyzeOutputOn(pb); 79 80 pb = ProcessTools.createJavaProcessBuilder("-XX:+TraceSafepointCleanupTime", 81 UNLOCK_DIAG_OPTION, 82 async_option, 83 InnerClass.class.getName()); 84 analyzeOutputOn(pb); 85 86 pb = ProcessTools.createJavaProcessBuilder("-Xlog:safepoint+cleanup=off", 87 UNLOCK_DIAG_OPTION, 88 async_option, 89 InnerClass.class.getName()); 90 analyzeOutputOff(pb); 91 92 pb = ProcessTools.createJavaProcessBuilder("-XX:-TraceSafepointCleanupTime", 93 UNLOCK_DIAG_OPTION, 94 async_option, 95 InnerClass.class.getName()); 96 analyzeOutputOff(pb); 97 } 98 99 public static class InnerClass { 100 public static void main(String[] args) throws Exception { 101 System.out.println("Safepoint Cleanup test"); 102 } 103 } 104 }