| /* |
| * Copyright (c) 2012, 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/shared/collectedHeap.hpp" |
| #include "gc/shared/gcArguments.hpp" |
| #include "gc/shared/gcConfiguration.hpp" |
| #include "memory/universe.hpp" |
| #include "runtime/arguments.hpp" |
| #include "runtime/globals.hpp" |
| #include "utilities/debug.hpp" |
| |
| GCName GCConfiguration::young_collector() const { |
| if (UseG1GC) { |
| return G1New; |
| } |
| |
| if (UseParallelGC) { |
| return ParallelScavenge; |
| } |
| |
| if (UseConcMarkSweepGC) { |
| return ParNew; |
| } |
| |
| if (UseZGC || UseShenandoahGC) { |
| return NA; |
| } |
| |
| return DefNew; |
| } |
| |
| GCName GCConfiguration::old_collector() const { |
| if (UseG1GC) { |
| return G1Old; |
| } |
| |
| if (UseConcMarkSweepGC) { |
| return ConcurrentMarkSweep; |
| } |
| |
| if (UseParallelOldGC) { |
| return ParallelOld; |
| } |
| |
| if (UseZGC) { |
| return Z; |
| } |
| |
| if (UseShenandoahGC) { |
| return Shenandoah; |
| } |
| |
| return SerialOld; |
| } |
| |
| uint GCConfiguration::num_parallel_gc_threads() const { |
| return ParallelGCThreads; |
| } |
| |
| uint GCConfiguration::num_concurrent_gc_threads() const { |
| return ConcGCThreads; |
| } |
| |
| bool GCConfiguration::uses_dynamic_gc_threads() const { |
| return UseDynamicNumberOfGCThreads; |
| } |
| |
| bool GCConfiguration::is_explicit_gc_concurrent() const { |
| return ExplicitGCInvokesConcurrent; |
| } |
| |
| bool GCConfiguration::is_explicit_gc_disabled() const { |
| return DisableExplicitGC; |
| } |
| |
| bool GCConfiguration::has_pause_target_default_value() const { |
| return FLAG_IS_DEFAULT(MaxGCPauseMillis); |
| } |
| |
| uintx GCConfiguration::pause_target() const { |
| return MaxGCPauseMillis; |
| } |
| |
| uintx GCConfiguration::gc_time_ratio() const { |
| return GCTimeRatio; |
| } |
| |
| bool GCTLABConfiguration::uses_tlabs() const { |
| return UseTLAB; |
| } |
| |
| size_t GCTLABConfiguration::min_tlab_size() const { |
| return MinTLABSize; |
| } |
| |
| uint GCTLABConfiguration::tlab_refill_waste_limit() const { |
| return TLABRefillWasteFraction; |
| } |
| |
| intx GCSurvivorConfiguration::max_tenuring_threshold() const { |
| return MaxTenuringThreshold; |
| } |
| |
| intx GCSurvivorConfiguration::initial_tenuring_threshold() const { |
| return InitialTenuringThreshold; |
| } |
| |
| size_t GCHeapConfiguration::max_size() const { |
| return MaxHeapSize; |
| } |
| |
| size_t GCHeapConfiguration::min_size() const { |
| return MinHeapSize; |
| } |
| |
| size_t GCHeapConfiguration::initial_size() const { |
| return InitialHeapSize; |
| } |
| |
| bool GCHeapConfiguration::uses_compressed_oops() const { |
| return UseCompressedOops; |
| } |
| |
| Universe::NARROW_OOP_MODE GCHeapConfiguration::narrow_oop_mode() const { |
| return Universe::narrow_oop_mode(); |
| } |
| |
| uint GCHeapConfiguration::object_alignment_in_bytes() const { |
| return ObjectAlignmentInBytes; |
| } |
| |
| int GCHeapConfiguration::heap_address_size_in_bits() const { |
| return BitsPerHeapOop; |
| } |
| |
| bool GCYoungGenerationConfiguration::has_max_size_default_value() const { |
| return FLAG_IS_DEFAULT(MaxNewSize); |
| } |
| |
| uintx GCYoungGenerationConfiguration::max_size() const { |
| return MaxNewSize; |
| } |
| |
| uintx GCYoungGenerationConfiguration::min_size() const { |
| return NewSize; |
| } |
| |
| intx GCYoungGenerationConfiguration::new_ratio() const { |
| return NewRatio; |
| } |