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src/hotspot/share/gc/g1/g1MemoryPool.cpp

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rev 48034 : 8191564: Refactor GC related servicability code into GC specific subclasses
Reviewed-by: ehelin, eosterlund
   1 /*
   2  * Copyright (c) 2007, 2015, 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 #include "precompiled.hpp"
  26 #include "gc/g1/g1CollectedHeap.hpp"

  27 #include "gc/g1/heapRegion.hpp"
  28 #include "services/g1MemoryPool.hpp"
  29 
  30 G1MemoryPoolSuper::G1MemoryPoolSuper(G1CollectedHeap* g1h,
  31                                      const char* name,
  32                                      size_t init_size,
  33                                      size_t max_size,
  34                                      bool support_usage_threshold) :
  35   _g1mm(g1h->g1mm()), CollectedMemoryPool(name,
  36                                           MemoryPool::Heap,
  37                                           init_size,
  38                                           max_size,
  39                                           support_usage_threshold) {
  40   assert(UseG1GC, "sanity");
  41 }
  42 
  43 G1EdenPool::G1EdenPool(G1CollectedHeap* g1h) :
  44   G1MemoryPoolSuper(g1h,
  45                     "G1 Eden Space",
  46                     g1h->g1mm()->eden_space_committed(), /* init_size */
  47                     _undefined_max,
  48                     false /* support_usage_threshold */) { }
  49 
  50 MemoryUsage G1EdenPool::get_memory_usage() {
  51   size_t initial_sz = initial_size();
  52   size_t max_sz     = max_size();
  53   size_t used       = used_in_bytes();
  54   size_t committed  = _g1mm->eden_space_committed();
  55 
  56   return MemoryUsage(initial_sz, used, committed, max_sz);


   1 /*
   2  * Copyright (c) 2007, 2017, 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 #include "precompiled.hpp"
  26 #include "gc/g1/g1CollectedHeap.hpp"
  27 #include "gc/g1/g1MemoryPool.hpp"
  28 #include "gc/g1/heapRegion.hpp"

  29 
  30 G1MemoryPoolSuper::G1MemoryPoolSuper(G1CollectedHeap* g1h,
  31                                      const char* name,
  32                                      size_t init_size,
  33                                      size_t max_size,
  34                                      bool support_usage_threshold) :
  35   _g1mm(g1h->g1mm()), CollectedMemoryPool(name,

  36                                           init_size,
  37                                           max_size,
  38                                           support_usage_threshold) {
  39   assert(UseG1GC, "sanity");
  40 }
  41 
  42 G1EdenPool::G1EdenPool(G1CollectedHeap* g1h) :
  43   G1MemoryPoolSuper(g1h,
  44                     "G1 Eden Space",
  45                     g1h->g1mm()->eden_space_committed(), /* init_size */
  46                     _undefined_max,
  47                     false /* support_usage_threshold */) { }
  48 
  49 MemoryUsage G1EdenPool::get_memory_usage() {
  50   size_t initial_sz = initial_size();
  51   size_t max_sz     = max_size();
  52   size_t used       = used_in_bytes();
  53   size_t committed  = _g1mm->eden_space_committed();
  54 
  55   return MemoryUsage(initial_sz, used, committed, max_sz);


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