hotspot/src/share/vm/gc/g1/g1CollectedHeap_ext.cpp
author tschatzl
Mon, 12 Sep 2016 09:34:51 +0200
changeset 41075 d60e54a9bb67
parent 38076 581ddcff38d9
child 46795 623a5e42deb6
permissions -rw-r--r--
8165313: Inserting freed regions during Free Collection Set serial phase takes very long on huge heaps Summary: Sort the collection set in ascending order so that the optimization when adding free regions can be exploited. Reviewed-by: sjohanss, mgerdin

/*
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 *
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
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 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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#include "precompiled.hpp"
#include "gc/g1/g1CollectedHeap.hpp"
#include "gc/g1/g1DefaultPolicy.hpp"
#include "gc/g1/g1ParScanThreadState.hpp"
#include "gc/g1/heapRegion.inline.hpp"

bool G1CollectedHeap::copy_allocation_context_stats(const jint* contexts,
                                                    jlong* totals,
                                                    jbyte* accuracy,
                                                    jint len) {
  return false;
}

HeapRegion* G1CollectedHeap::new_heap_region(uint hrs_index,
                                             MemRegion mr) {
  return new HeapRegion(hrs_index, bot(), mr);
}

G1Policy* G1CollectedHeap::create_g1_policy() {
  return new G1DefaultPolicy();
}