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src/hotspot/share/gc/g1/g1MonitoringSupport.cpp

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   1 /*
   2  * Copyright (c) 2011, 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  *


 102   _to_space_counters(NULL),
 103 
 104   _overall_committed(0),
 105   _overall_used(0),
 106   _young_gen_committed(0),
 107   _old_gen_committed(0),
 108 
 109   _eden_space_committed(0),
 110   _eden_space_used(0),
 111   _survivor_space_committed(0),
 112   _survivor_space_used(0),
 113   _old_gen_used(0) {
 114 
 115   recalculate_sizes();
 116 
 117   // Counters for garbage collections
 118   //
 119   //  name "collector.0".  In a generational collector this would be the
 120   // young generation collection.
 121   _incremental_collection_counters =
 122     new CollectorCounters("G1 incremental collections", 0);
 123   //   name "collector.1".  In a generational collector this would be the
 124   // old generation collection.
 125   _full_collection_counters =
 126     new CollectorCounters("G1 stop-the-world full collections", 1);
 127   //   name "collector.2".  In a generational collector this would be the
 128   // STW phases in concurrent collection.
 129   _conc_collection_counters =
 130     new CollectorCounters("G1 stop-the-world phases", 2);
 131 
 132   // "Generation" and "Space" counters.
 133   //
 134   //  name "generation.1" This is logically the old generation in
 135   // generational GC terms.  The "1, 1" parameters are for
 136   // the n-th generation (=1) with 1 space.
 137   // Counters are created from minCapacity, maxCapacity, and capacity
 138   _old_gen_counters = new G1OldGenerationCounters(this, "old", _g1h->max_capacity());
 139 
 140   //  name  "generation.1.space.0"
 141   // Counters are created from maxCapacity, capacity, initCapacity,
 142   // and used.
 143   _old_space_counters = new HSpaceCounters(_old_gen_counters->name_space(),
 144     "space", 0 /* ordinal */,
 145     pad_capacity(g1h->max_capacity()) /* max_capacity */,
 146     pad_capacity(_old_gen_committed) /* init_capacity */);
 147 
 148   //   Young collection set
 149   //  name "generation.0".  This is logically the young generation.
 150   //  The "0, 3" are parameters for the n-th generation (=0) with 3 spaces.


   1 /*
   2  * Copyright (c) 2011, 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  *


 102   _to_space_counters(NULL),
 103 
 104   _overall_committed(0),
 105   _overall_used(0),
 106   _young_gen_committed(0),
 107   _old_gen_committed(0),
 108 
 109   _eden_space_committed(0),
 110   _eden_space_used(0),
 111   _survivor_space_committed(0),
 112   _survivor_space_used(0),
 113   _old_gen_used(0) {
 114 
 115   recalculate_sizes();
 116 
 117   // Counters for garbage collections
 118   //
 119   //  name "collector.0".  In a generational collector this would be the
 120   // young generation collection.
 121   _incremental_collection_counters =
 122     new CollectorCounters("G1 young collection pauses", 0);
 123   //   name "collector.1".  In a generational collector this would be the
 124   // old generation collection.
 125   _full_collection_counters =
 126     new CollectorCounters("G1 full collection pauses", 1);
 127   //   name "collector.2".  In a generational collector this would be the
 128   // STW phases in concurrent collection.
 129   _conc_collection_counters =
 130     new CollectorCounters("G1 concurrent cycle pauses", 2);
 131 
 132   // "Generation" and "Space" counters.
 133   //
 134   //  name "generation.1" This is logically the old generation in
 135   // generational GC terms.  The "1, 1" parameters are for
 136   // the n-th generation (=1) with 1 space.
 137   // Counters are created from minCapacity, maxCapacity, and capacity
 138   _old_gen_counters = new G1OldGenerationCounters(this, "old", _g1h->max_capacity());
 139 
 140   //  name  "generation.1.space.0"
 141   // Counters are created from maxCapacity, capacity, initCapacity,
 142   // and used.
 143   _old_space_counters = new HSpaceCounters(_old_gen_counters->name_space(),
 144     "space", 0 /* ordinal */,
 145     pad_capacity(g1h->max_capacity()) /* max_capacity */,
 146     pad_capacity(_old_gen_committed) /* init_capacity */);
 147 
 148   //   Young collection set
 149   //  name "generation.0".  This is logically the young generation.
 150   //  The "0, 3" are parameters for the n-th generation (=0) with 3 spaces.


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