1 /*
   2  * Copyright (c) 2010, 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  */
  23 
  24 /*
  25  * @test TestMBeanCMS.java
  26  * @bug 6581734
  27  * @requires vm.gc.ConcMarkSweep
  28  * @summary CMS Old Gen's collection usage is zero after GC which is incorrect
  29  * @modules java.management
  30  * @run main/othervm -Xmx512m -verbose:gc -XX:+UseConcMarkSweepGC TestMBeanCMS
  31  *
  32  */
  33 
  34 import java.lang.management.GarbageCollectorMXBean;
  35 import java.lang.management.ManagementFactory;
  36 import java.lang.management.MemoryPoolMXBean;
  37 import java.util.LinkedList;
  38 import java.util.List;
  39 
  40 // 6581734 states that memory pool usage via the mbean is wrong
  41 // for CMS (zero, even after a collection).
  42 //
  43 // 6580448 states that the collection count similarly is wrong
  44 // (stays at zero for CMS collections)
  45 // -- closed as dup of 6581734 as the same fix resolves both.
  46 
  47 

   1 /*
   2  * Copyright (c) 2010, 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 TestMBeanCMS.java
  26  * @bug 6581734
  27  * @requires vm.gc.ConcMarkSweep & !vm.graal.enabled
  28  * @summary CMS Old Gen's collection usage is zero after GC which is incorrect
  29  * @modules java.management
  30  * @run main/othervm -Xmx512m -verbose:gc -XX:+UseConcMarkSweepGC TestMBeanCMS
  31  *
  32  */
  33 
  34 import java.lang.management.GarbageCollectorMXBean;
  35 import java.lang.management.ManagementFactory;
  36 import java.lang.management.MemoryPoolMXBean;
  37 import java.util.LinkedList;
  38 import java.util.List;
  39 
  40 // 6581734 states that memory pool usage via the mbean is wrong
  41 // for CMS (zero, even after a collection).
  42 //
  43 // 6580448 states that the collection count similarly is wrong
  44 // (stays at zero for CMS collections)
  45 // -- closed as dup of 6581734 as the same fix resolves both.
  46 
  47