a060be188d
Co-authored-by: Markus Gronlund <markus.gronlund@oracle.com> Reviewed-by: coleenp, ihse, erikj, dsamersoff, mseledtsov, egahlin, mgronlun
81 lines
2.4 KiB
C++
81 lines
2.4 KiB
C++
/*
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* Copyright (c) 2012, 2018, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*
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*/
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#ifndef SHARE_VM_GC_SHARED_GCCONFIGURATION_HPP
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#define SHARE_VM_GC_SHARED_GCCONFIGURATION_HPP
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#include "gc/shared/gcName.hpp"
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#include "memory/universe.hpp"
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#include "utilities/globalDefinitions.hpp"
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class GCConfiguration {
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public:
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GCName young_collector() const;
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GCName old_collector() const;
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uint num_parallel_gc_threads() const;
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uint num_concurrent_gc_threads() const;
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bool uses_dynamic_gc_threads() const;
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bool is_explicit_gc_concurrent() const;
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bool is_explicit_gc_disabled() const;
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uintx gc_time_ratio() const;
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bool has_pause_target_default_value() const;
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uintx pause_target() const;
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};
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class GCTLABConfiguration {
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public:
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bool uses_tlabs() const;
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size_t min_tlab_size() const;
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uint tlab_refill_waste_limit() const;
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};
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class GCSurvivorConfiguration {
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public:
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intx initial_tenuring_threshold() const;
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intx max_tenuring_threshold() const;
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};
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class GCHeapConfiguration {
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public:
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size_t max_size() const;
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size_t min_size() const;
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size_t initial_size() const;
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bool uses_compressed_oops() const;
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Universe::NARROW_OOP_MODE narrow_oop_mode() const;
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uint object_alignment_in_bytes() const;
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int heap_address_size_in_bits() const;
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};
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class GCYoungGenerationConfiguration {
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public:
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bool has_max_size_default_value() const;
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uintx max_size() const;
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uintx min_size() const;
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intx new_ratio() const;
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};
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#endif // SHARE_VM_GC_SHARED_GCCONFIGURATION_HPP
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