1 /*
   2  * Copyright (c) 2016, 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
  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  */
  33 
  34 import jdk.test.lib.process.OutputAnalyzer;
  35 import jdk.test.lib.process.ProcessTools;
  36 
  37 public class SafepointCleanupTest {
  38     static void analyzeOutputOn(ProcessBuilder pb) throws Exception {
  39         OutputAnalyzer output = new OutputAnalyzer(pb.start());
  40         output.shouldContain("[safepoint,cleanup]");
  41         output.shouldContain("safepoint cleanup tasks");
  42         output.shouldContain("deflating global idle monitors");
  43         output.shouldContain("deflating per-thread idle monitors");
  44         output.shouldContain("updating inline caches");
  45         output.shouldContain("compilation policy safepoint handler");
  46         output.shouldContain("purging class loader data graph");
  47         output.shouldHaveExitValue(0);
  48     }
  49 
  50     static void analyzeOutputOff(ProcessBuilder pb) throws Exception {
  51         OutputAnalyzer output = new OutputAnalyzer(pb.start());
  52         output.shouldNotContain("[safepoint,cleanup]");
  53         output.shouldHaveExitValue(0);
  54     }
  55 
  56     public static void main(String[] args) throws Exception {
  57         ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-Xlog:safepoint+cleanup=info",
  58                                                                   InnerClass.class.getName());
  59         analyzeOutputOn(pb);
  60 
  61         pb = ProcessTools.createJavaProcessBuilder("-XX:+TraceSafepointCleanupTime",
  62                                                    InnerClass.class.getName());
  63         analyzeOutputOn(pb);
  64 
  65         pb = ProcessTools.createJavaProcessBuilder("-Xlog:safepoint+cleanup=off",
  66                                                    InnerClass.class.getName());
  67         analyzeOutputOff(pb);
  68 
  69         pb = ProcessTools.createJavaProcessBuilder("-XX:-TraceSafepointCleanupTime",
  70                                                    InnerClass.class.getName());
  71         analyzeOutputOff(pb);
  72     }
  73 
  74     public static class InnerClass {
  75         public static void main(String[] args) throws Exception {
  76             System.out.println("Safepoint Cleanup test");
  77         }
  78     }
  79 }