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.shouldContain("purging class loader data graph"); 52 output.shouldHaveExitValue(0); 53 } 54 55 static void analyzeOutputOff(ProcessBuilder pb) throws Exception { 56 OutputAnalyzer output = new OutputAnalyzer(pb.start()); 57 output.shouldNotContain("[safepoint,cleanup]"); 58 output.shouldHaveExitValue(0); 59 } 60 61 public static void main(String[] args) throws Exception { 62 String async_option; 63 if (args.length == 0) { 64 // By default test deflating idle monitors at a safepoint. 65 async_option = ASYNC_DISABLE_OPTION; 66 } else { 67 async_option = args[0]; 68 } 69 if (!async_option.equals(ASYNC_DISABLE_OPTION) && 70 !async_option.equals(ASYNC_ENABLE_OPTION)) { 71 throw new RuntimeException("Unknown async_option value: '" 72 + async_option + "'"); 73 } 74 75 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-Xlog:safepoint+cleanup=info", 76 UNLOCK_DIAG_OPTION, 77 async_option, 78 InnerClass.class.getName()); 79 analyzeOutputOn(pb); 80 81 pb = ProcessTools.createJavaProcessBuilder("-XX:+TraceSafepointCleanupTime", 82 UNLOCK_DIAG_OPTION, 83 async_option, 84 InnerClass.class.getName()); 85 analyzeOutputOn(pb); 86 87 pb = ProcessTools.createJavaProcessBuilder("-Xlog:safepoint+cleanup=off", 88 UNLOCK_DIAG_OPTION, 89 async_option, 90 InnerClass.class.getName()); 91 analyzeOutputOff(pb); 92 93 pb = ProcessTools.createJavaProcessBuilder("-XX:-TraceSafepointCleanupTime", 94 UNLOCK_DIAG_OPTION, 95 async_option, 96 InnerClass.class.getName()); 97 analyzeOutputOff(pb); 98 } 99 100 public static class InnerClass { 101 public static void main(String[] args) throws Exception { 102 System.out.println("Safepoint Cleanup test"); 103 } 104 } 105 }