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/parallel/parallelScavengeHeap.hpp"
  27 #include "gc/parallel/psAdaptiveSizePolicy.hpp"
  28 #include "gc/parallel/psGCAdaptivePolicyCounters.hpp"
  29 #include "gc/parallel/psScavenge.hpp"
  30 #include "gc/shared/collectorPolicy.hpp"
  31 #include "gc/shared/gcCause.hpp"
  32 #include "gc/shared/gcPolicyCounters.hpp"
  33 #include "logging/log.hpp"
  34 #include "runtime/timer.hpp"

  35 
  36 #include <math.h>
  37 
  38 PSAdaptiveSizePolicy::PSAdaptiveSizePolicy(size_t init_eden_size,
  39                                            size_t init_promo_size,
  40                                            size_t init_survivor_size,
  41                                            size_t space_alignment,
  42                                            double gc_pause_goal_sec,
  43                                            double gc_minor_pause_goal_sec,
  44                                            uint gc_cost_ratio) :
  45      AdaptiveSizePolicy(init_eden_size,
  46                         init_promo_size,
  47                         init_survivor_size,
  48                         gc_pause_goal_sec,
  49                         gc_cost_ratio),
  50      _collection_cost_margin_fraction(AdaptiveSizePolicyCollectionCostMargin / 100.0),
  51      _space_alignment(space_alignment),
  52      _live_at_last_full_gc(init_promo_size),
  53      _gc_minor_pause_goal_sec(gc_minor_pause_goal_sec),
  54      _latest_major_mutator_interval_seconds(0),

  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/parallel/parallelScavengeHeap.hpp"
  27 #include "gc/parallel/psAdaptiveSizePolicy.hpp"
  28 #include "gc/parallel/psGCAdaptivePolicyCounters.hpp"
  29 #include "gc/parallel/psScavenge.hpp"
  30 #include "gc/shared/collectorPolicy.hpp"
  31 #include "gc/shared/gcCause.hpp"
  32 #include "gc/shared/gcPolicyCounters.hpp"
  33 #include "logging/log.hpp"
  34 #include "runtime/timer.hpp"
  35 #include "utilities/align.hpp"
  36 
  37 #include <math.h>
  38 
  39 PSAdaptiveSizePolicy::PSAdaptiveSizePolicy(size_t init_eden_size,
  40                                            size_t init_promo_size,
  41                                            size_t init_survivor_size,
  42                                            size_t space_alignment,
  43                                            double gc_pause_goal_sec,
  44                                            double gc_minor_pause_goal_sec,
  45                                            uint gc_cost_ratio) :
  46      AdaptiveSizePolicy(init_eden_size,
  47                         init_promo_size,
  48                         init_survivor_size,
  49                         gc_pause_goal_sec,
  50                         gc_cost_ratio),
  51      _collection_cost_margin_fraction(AdaptiveSizePolicyCollectionCostMargin / 100.0),
  52      _space_alignment(space_alignment),
  53      _live_at_last_full_gc(init_promo_size),
  54      _gc_minor_pause_goal_sec(gc_minor_pause_goal_sec),
  55      _latest_major_mutator_interval_seconds(0),