9a4c25731e
Let the object copy cost predictor use the actual copied bytes as input for the prediction instead of the used bytes. Reviewed-by: kbarrett, sjohanss
59 lines
2.6 KiB
C++
59 lines
2.6 KiB
C++
/*
|
|
* Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
|
|
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
|
|
*
|
|
* This code is free software; you can redistribute it and/or modify it
|
|
* under the terms of the GNU General Public License version 2 only, as
|
|
* published by the Free Software Foundation.
|
|
*
|
|
* This code is distributed in the hope that it will be useful, but WITHOUT
|
|
* 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).
|
|
*
|
|
* You should have received a copy of the GNU General Public License version
|
|
* 2 along with this work; if not, write to the Free Software Foundation,
|
|
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*
|
|
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
|
|
* or visit www.oracle.com if you need additional information or have any
|
|
* questions.
|
|
*
|
|
*/
|
|
|
|
#include "precompiled.hpp"
|
|
#include "gc/g1/g1CollectedHeap.hpp"
|
|
#include "gc/g1/g1HeterogeneousHeapPolicy.hpp"
|
|
#include "gc/g1/g1Policy.hpp"
|
|
#include "gc/g1/heterogeneousHeapRegionManager.hpp"
|
|
|
|
G1HeterogeneousHeapPolicy::G1HeterogeneousHeapPolicy(STWGCTimer* gc_timer) :
|
|
G1Policy(gc_timer), _manager(NULL) {}
|
|
|
|
// We call the super class init(), after which we provision young_list_target_length() regions in dram.
|
|
void G1HeterogeneousHeapPolicy::init(G1CollectedHeap* g1h, G1CollectionSet* collection_set) {
|
|
G1Policy::init(g1h, collection_set);
|
|
_manager = HeterogeneousHeapRegionManager::manager();
|
|
_manager->adjust_dram_regions((uint)young_list_target_length(), G1CollectedHeap::heap()->workers());
|
|
}
|
|
|
|
// After a collection pause, young list target length is updated. So we need to make sure we have enough regions in dram for young gen.
|
|
void G1HeterogeneousHeapPolicy::record_collection_pause_end(double pause_time_ms) {
|
|
G1Policy::record_collection_pause_end(pause_time_ms);
|
|
_manager->adjust_dram_regions((uint)young_list_target_length(), G1CollectedHeap::heap()->workers());
|
|
}
|
|
|
|
// After a full collection, young list target length is updated. So we need to make sure we have enough regions in dram for young gen.
|
|
void G1HeterogeneousHeapPolicy::record_full_collection_end() {
|
|
G1Policy::record_full_collection_end();
|
|
_manager->adjust_dram_regions((uint)young_list_target_length(), G1CollectedHeap::heap()->workers());
|
|
}
|
|
|
|
bool G1HeterogeneousHeapPolicy::force_upgrade_to_full() {
|
|
if (_manager->has_borrowed_regions()) {
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|