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/g1SurvivorRegions.hpp"
  27 #include "gc/g1/heapRegion.hpp"
  28 #include "utilities/growableArray.hpp"
  29 #include "utilities/debug.hpp"
  30 
  31 G1SurvivorRegions::G1SurvivorRegions() :
  32   _regions(new (ResourceObj::C_HEAP, mtGC) GrowableArray<HeapRegion*>(8, true, mtGC)),
  33   _used_bytes(0) {}

  34 
  35 void G1SurvivorRegions::add(HeapRegion* hr) {
  36   assert(hr->is_survivor(), "should be flagged as survivor region");
  37   _regions->append(hr);

  38 }
  39 
  40 uint G1SurvivorRegions::length() const {
  41   return (uint)_regions->length();
  42 }
  43 




  44 void G1SurvivorRegions::convert_to_eden() {
  45   for (GrowableArrayIterator<HeapRegion*> it = _regions->begin();
  46        it != _regions->end();
  47        ++it) {
  48     HeapRegion* hr = *it;
  49     hr->set_eden_pre_gc();
  50   }
  51   clear();
  52 }
  53 
  54 void G1SurvivorRegions::clear() {
  55   _regions->clear();
  56   _used_bytes = 0;

  57 }
  58 
  59 void G1SurvivorRegions::add_used_bytes(size_t used_bytes) {
  60   _used_bytes += used_bytes;
  61 }

  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/g1SurvivorRegions.hpp"
  27 #include "gc/g1/heapRegion.hpp"
  28 #include "utilities/growableArray.hpp"
  29 #include "utilities/debug.hpp"
  30 
  31 G1SurvivorRegions::G1SurvivorRegions() :
  32   _regions(new (ResourceObj::C_HEAP, mtGC) GrowableArray<HeapRegion*>(8, true, mtGC)),
  33   _used_bytes(0),
  34   _regions_on_node() {}
  35 
  36 uint G1SurvivorRegions::add(HeapRegion* hr) {
  37   assert(hr->is_survivor(), "should be flagged as survivor region");
  38   _regions->append(hr);
  39   return _regions_on_node.add(hr);
  40 }
  41 
  42 uint G1SurvivorRegions::length() const {
  43   return (uint)_regions->length();
  44 }
  45 
  46 uint G1SurvivorRegions::regions_on_node(uint node_index) const {
  47   return _regions_on_node.count(node_index);
  48 }
  49 
  50 void G1SurvivorRegions::convert_to_eden() {
  51   for (GrowableArrayIterator<HeapRegion*> it = _regions->begin();
  52        it != _regions->end();
  53        ++it) {
  54     HeapRegion* hr = *it;
  55     hr->set_eden_pre_gc();
  56   }
  57   clear();
  58 }
  59 
  60 void G1SurvivorRegions::clear() {
  61   _regions->clear();
  62   _used_bytes = 0;
  63   _regions_on_node.clear();
  64 }
  65 
  66 void G1SurvivorRegions::add_used_bytes(size_t used_bytes) {
  67   _used_bytes += used_bytes;
  68 }