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src/hotspot/share/memory/metaspace/runningCounters.cpp

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  8  * published by the Free Software Foundation.
  9  *
 10  * This code is distributed in the hope that it will be useful, but WITHOUT
 11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 13  * version 2 for more details (a copy is included in the LICENSE file that
 14  * accompanied this code).
 15  *
 16  * You should have received a copy of the GNU General Public License version
 17  * 2 along with this work; if not, write to the Free Software Foundation,
 18  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 19  *
 20  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 21  * or visit www.oracle.com if you need additional information or have any
 22  * questions.
 23  *
 24  */
 25 
 26 #include "precompiled.hpp"
 27 #include "memory/metaspace/chunkManager.hpp"
 28 #include "memory/metaspace/counters.hpp"
 29 #include "memory/metaspace/runningCounters.hpp"
 30 #include "memory/metaspace/virtualSpaceList.hpp"
 31 
 32 namespace metaspace {
 33 
 34 SizeAtomicCounter RunningCounters::_used_class_counter;
 35 SizeAtomicCounter RunningCounters::_used_nonclass_counter;
 36 
 37 // Return reserved size, in words, for Metaspace
 38 size_t RunningCounters::reserved_words() {
 39   return reserved_words_class() + reserved_words_nonclass();
 40 }
 41 
 42 size_t RunningCounters::reserved_words_class() {
 43   VirtualSpaceList* vs = VirtualSpaceList::vslist_class();
 44   return vs != nullptr ? vs->reserved_words() : 0;
 45 }
 46 
 47 size_t RunningCounters::reserved_words_nonclass() {
 48   assert(VirtualSpaceList::vslist_nonclass() != nullptr, "Metaspace not yet initialized");
 49   return VirtualSpaceList::vslist_nonclass()->reserved_words();
 50 }
 51 
 52 // Return total committed size, in words, for Metaspace
 53 size_t RunningCounters::committed_words() {
 54   return committed_words_class() + committed_words_nonclass();
 55 }
 56 
 57 size_t RunningCounters::committed_words_class() {
 58   VirtualSpaceList* vs = VirtualSpaceList::vslist_class();
 59   return vs != nullptr ? vs->committed_words() : 0;
 60 }
 61 
 62 size_t RunningCounters::committed_words_nonclass() {
 63   assert(VirtualSpaceList::vslist_nonclass() != nullptr, "Metaspace not yet initialized");
 64   return VirtualSpaceList::vslist_nonclass()->committed_words();
 65 }
 66 
 67 // ---- used chunks -----
 68 
 69 // Returns size, in words, used for metadata.
 70 size_t RunningCounters::used_words() {
 71   return used_words_class() + used_words_nonclass();
 72 }
 73 
 74 size_t RunningCounters::used_words_class() {
 75   return _used_class_counter.get();

 76 }
 77 
 78 size_t RunningCounters::used_words_nonclass() {
 79   return _used_nonclass_counter.get();
 80 }
 81 
 82 // ---- free chunks -----
 83 
 84 // Returns size, in words, of all chunks in all freelists.
 85 size_t RunningCounters::free_chunks_words() {
 86   return free_chunks_words_class() + free_chunks_words_nonclass();
 87 }
 88 
 89 size_t RunningCounters::free_chunks_words_class() {
 90   ChunkManager* cm = ChunkManager::chunkmanager_class();
 91   return cm != nullptr ? cm->total_word_size() : 0;
 92 }
 93 
 94 size_t RunningCounters::free_chunks_words_nonclass() {
 95   assert(ChunkManager::chunkmanager_nonclass() != nullptr, "Metaspace not yet initialized");
 96   return ChunkManager::chunkmanager_nonclass()->total_word_size();
 97 }
 98 
 99 } // namespace metaspace

  8  * published by the Free Software Foundation.
  9  *
 10  * This code is distributed in the hope that it will be useful, but WITHOUT
 11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 13  * version 2 for more details (a copy is included in the LICENSE file that
 14  * accompanied this code).
 15  *
 16  * You should have received a copy of the GNU General Public License version
 17  * 2 along with this work; if not, write to the Free Software Foundation,
 18  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 19  *
 20  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 21  * or visit www.oracle.com if you need additional information or have any
 22  * questions.
 23  *
 24  */
 25 
 26 #include "precompiled.hpp"
 27 #include "memory/metaspace/chunkManager.hpp"
 28 #include "memory/metaspace/metaspaceContext.hpp"
 29 #include "memory/metaspace/runningCounters.hpp"
 30 #include "memory/metaspace/virtualSpaceList.hpp"
 31 
 32 namespace metaspace {
 33 



 34 // Return reserved size, in words, for Metaspace
 35 size_t RunningCounters::reserved_words() {
 36   return reserved_words_class() + reserved_words_nonclass();
 37 }
 38 
 39 size_t RunningCounters::reserved_words_class() {
 40   VirtualSpaceList* vs = VirtualSpaceList::vslist_class();
 41   return vs != nullptr ? vs->reserved_words() : 0;
 42 }
 43 
 44 size_t RunningCounters::reserved_words_nonclass() {
 45   assert(VirtualSpaceList::vslist_nonclass() != nullptr, "Metaspace not yet initialized");
 46   return VirtualSpaceList::vslist_nonclass()->reserved_words();
 47 }
 48 
 49 // Return total committed size, in words, for Metaspace
 50 size_t RunningCounters::committed_words() {
 51   return committed_words_class() + committed_words_nonclass();
 52 }
 53 
 54 size_t RunningCounters::committed_words_class() {
 55   VirtualSpaceList* vs = VirtualSpaceList::vslist_class();
 56   return vs != nullptr ? vs->committed_words() : 0;
 57 }
 58 
 59 size_t RunningCounters::committed_words_nonclass() {
 60   assert(VirtualSpaceList::vslist_nonclass() != nullptr, "Metaspace not yet initialized");
 61   return VirtualSpaceList::vslist_nonclass()->committed_words();
 62 }
 63 
 64 // ---- used chunks -----
 65 
 66 // Returns size, in words, used for metadata.
 67 size_t RunningCounters::used_words() {
 68   return used_words_class() + used_words_nonclass();
 69 }
 70 
 71 size_t RunningCounters::used_words_class() {
 72   const MetaspaceContext* context = MetaspaceContext::context_class();
 73   return context != nullptr ? context->used_words() : 0;
 74 }
 75 
 76 size_t RunningCounters::used_words_nonclass() {
 77   return MetaspaceContext::context_nonclass()->used_words();
 78 }
 79 
 80 // ---- free chunks -----
 81 
 82 // Returns size, in words, of all chunks in all freelists.
 83 size_t RunningCounters::free_chunks_words() {
 84   return free_chunks_words_class() + free_chunks_words_nonclass();
 85 }
 86 
 87 size_t RunningCounters::free_chunks_words_class() {
 88   ChunkManager* cm = ChunkManager::chunkmanager_class();
 89   return cm != nullptr ? cm->total_word_size() : 0;
 90 }
 91 
 92 size_t RunningCounters::free_chunks_words_nonclass() {
 93   assert(ChunkManager::chunkmanager_nonclass() != nullptr, "Metaspace not yet initialized");
 94   return ChunkManager::chunkmanager_nonclass()->total_word_size();
 95 }
 96 
 97 } // namespace metaspace
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