< prev index next >

src/hotspot/share/gc/shared/gcArguments.cpp

Print this page


  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 "gc/shared/cardTableRS.hpp"
  28 #include "gc/shared/gcArguments.hpp"
  29 #include "logging/log.hpp"
  30 #include "runtime/arguments.hpp"
  31 #include "runtime/globals.hpp"
  32 #include "runtime/globals_extension.hpp"
  33 #include "utilities/defaultStream.hpp"
  34 #include "utilities/macros.hpp"
  35 
  36 size_t HeapAlignment = 0;
  37 size_t SpaceAlignment = 0;
  38 
  39 void GCArguments::initialize() {
  40   if (FullGCALot && FLAG_IS_DEFAULT(MarkSweepAlwaysCompactCount)) {
  41     MarkSweepAlwaysCompactCount = 1;  // Move objects every gc.
  42   }
  43 
  44   if (!UseParallelGC && FLAG_IS_DEFAULT(ScavengeBeforeFullGC)) {
  45     FLAG_SET_DEFAULT(ScavengeBeforeFullGC, false);
  46   }
  47 
  48   if (GCTimeLimit == 100) {
  49     // Turn off gc-overhead-limit-exceeded checks
  50     FLAG_SET_DEFAULT(UseGCOverheadLimit, false);
  51   }
  52 




  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 "gc/shared/cardTableRS.hpp"
  28 #include "gc/shared/gcArguments.hpp"
  29 #include "logging/log.hpp"
  30 #include "runtime/arguments.hpp"
  31 #include "runtime/globals.hpp"

  32 #include "utilities/defaultStream.hpp"
  33 #include "utilities/macros.hpp"
  34 
  35 size_t HeapAlignment = 0;
  36 size_t SpaceAlignment = 0;
  37 
  38 void GCArguments::initialize() {
  39   if (FullGCALot && FLAG_IS_DEFAULT(MarkSweepAlwaysCompactCount)) {
  40     MarkSweepAlwaysCompactCount = 1;  // Move objects every gc.
  41   }
  42 
  43   if (!UseParallelGC && FLAG_IS_DEFAULT(ScavengeBeforeFullGC)) {
  44     FLAG_SET_DEFAULT(ScavengeBeforeFullGC, false);
  45   }
  46 
  47   if (GCTimeLimit == 100) {
  48     // Turn off gc-overhead-limit-exceeded checks
  49     FLAG_SET_DEFAULT(UseGCOverheadLimit, false);
  50   }
  51 


< prev index next >