| /* |
| * 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. |
| * |
| */ |
| |
| #ifndef SHARE_VM_GC_SHARED_GCCONFIGURATION_HPP |
| #define SHARE_VM_GC_SHARED_GCCONFIGURATION_HPP |
| |
| #include "gc/shared/gcName.hpp" |
| #include "memory/universe.hpp" |
| #include "utilities/globalDefinitions.hpp" |
| |
| class GCConfiguration { |
| public: |
| GCName young_collector() const; |
| GCName old_collector() const; |
| uint num_parallel_gc_threads() const; |
| uint num_concurrent_gc_threads() const; |
| bool uses_dynamic_gc_threads() const; |
| bool is_explicit_gc_concurrent() const; |
| bool is_explicit_gc_disabled() const; |
| uintx gc_time_ratio() const; |
| |
| bool has_pause_target_default_value() const; |
| uintx pause_target() const; |
| }; |
| |
| class GCTLABConfiguration { |
| public: |
| bool uses_tlabs() const; |
| size_t min_tlab_size() const; |
| uint tlab_refill_waste_limit() const; |
| }; |
| |
| class GCSurvivorConfiguration { |
| public: |
| intx initial_tenuring_threshold() const; |
| intx max_tenuring_threshold() const; |
| }; |
| |
| class GCHeapConfiguration { |
| public: |
| size_t max_size() const; |
| size_t min_size() const; |
| size_t initial_size() const; |
| bool uses_compressed_oops() const; |
| Universe::NARROW_OOP_MODE narrow_oop_mode() const; |
| uint object_alignment_in_bytes() const; |
| int heap_address_size_in_bits() const; |
| }; |
| |
| class GCYoungGenerationConfiguration { |
| public: |
| bool has_max_size_default_value() const; |
| uintx max_size() const; |
| |
| uintx min_size() const; |
| intx new_ratio() const; |
| }; |
| |
| #endif // SHARE_VM_GC_SHARED_GCCONFIGURATION_HPP |