1 /*
   2  * Copyright (c) 2015, 2016, 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  */

  63             "-XX:G1MixedGCCountTarget=4",
  64             "-XX:MaxGCPauseMillis=30000", // to have enough time
  65             "-XX:G1HeapRegionSize=1m", "-XX:G1HeapWastePercent=0",
  66             "-XX:G1MixedGCLiveThresholdPercent=100"};
  67 
  68     public static final int ALLOCATION_SIZE = 20000;
  69     public static final int ALLOCATION_COUNT = 15;
  70 
  71     public static void main(String args[]) throws Exception {
  72         // Test turns logging on by giving -Xlog:gc flag
  73         test("-Xlog:gc");
  74         // Test turns logging on by giving -Xlog:gc=debug flag
  75         test("-Xlog:gc=debug");
  76     }
  77 
  78     private static void test(String vmFlag) throws Exception {
  79         System.out.println(String.format("%s: running with %s flag", TestLogging.class.getSimpleName(), vmFlag));
  80         OutputAnalyzer output = spawnMixedGCProvoker(vmFlag);
  81         System.out.println(output.getStdout());
  82         output.shouldHaveExitValue(0);
  83         output.shouldContain("Pause Mixed (G1 Evacuation Pause)");
  84     }
  85 
  86     /**
  87      * Method spawns MixedGCProvoker with addition flags set
  88      *
  89      * @parameter extraFlags -flags to be added to the common options set
  90      */
  91     private static OutputAnalyzer spawnMixedGCProvoker(String... extraFlags)
  92             throws Exception {
  93         List<String> testOpts = new ArrayList<>();
  94         Collections.addAll(testOpts, COMMON_OPTIONS);
  95         Collections.addAll(testOpts, extraFlags);
  96         testOpts.add(MixedGCProvoker.class.getName());
  97         System.out.println(testOpts);
  98         ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(false,
  99                 testOpts.toArray(new String[testOpts.size()]));
 100         return new OutputAnalyzer(pb.start());
 101     }
 102 }
 103 

   1 /*
   2  * Copyright (c) 2015, 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  */

  63             "-XX:G1MixedGCCountTarget=4",
  64             "-XX:MaxGCPauseMillis=30000", // to have enough time
  65             "-XX:G1HeapRegionSize=1m", "-XX:G1HeapWastePercent=0",
  66             "-XX:G1MixedGCLiveThresholdPercent=100"};
  67 
  68     public static final int ALLOCATION_SIZE = 20000;
  69     public static final int ALLOCATION_COUNT = 15;
  70 
  71     public static void main(String args[]) throws Exception {
  72         // Test turns logging on by giving -Xlog:gc flag
  73         test("-Xlog:gc");
  74         // Test turns logging on by giving -Xlog:gc=debug flag
  75         test("-Xlog:gc=debug");
  76     }
  77 
  78     private static void test(String vmFlag) throws Exception {
  79         System.out.println(String.format("%s: running with %s flag", TestLogging.class.getSimpleName(), vmFlag));
  80         OutputAnalyzer output = spawnMixedGCProvoker(vmFlag);
  81         System.out.println(output.getStdout());
  82         output.shouldHaveExitValue(0);
  83         output.shouldContain("Pause Young (Mixed) (G1 Evacuation Pause)");
  84     }
  85 
  86     /**
  87      * Method spawns MixedGCProvoker with addition flags set
  88      *
  89      * @parameter extraFlags -flags to be added to the common options set
  90      */
  91     private static OutputAnalyzer spawnMixedGCProvoker(String... extraFlags)
  92             throws Exception {
  93         List<String> testOpts = new ArrayList<>();
  94         Collections.addAll(testOpts, COMMON_OPTIONS);
  95         Collections.addAll(testOpts, extraFlags);
  96         testOpts.add(MixedGCProvoker.class.getName());
  97         System.out.println(testOpts);
  98         ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(false,
  99                 testOpts.toArray(new String[testOpts.size()]));
 100         return new OutputAnalyzer(pb.start());
 101     }
 102 }
 103