author | sangheki |
Wed, 13 Nov 2019 10:49:12 -0800 | |
changeset 59060 | fce1fa1bdc91 |
parent 58015 | dd84de796f2c |
child 59061 | df6f2350edfa |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2015, 2019, 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_GC_G1_G1ALLOCATOR_INLINE_HPP |
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#define SHARE_GC_G1_G1ALLOCATOR_INLINE_HPP |
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#include "gc/g1/g1Allocator.hpp" |
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#include "gc/g1/g1AllocRegion.inline.hpp" |
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#include "gc/shared/plab.inline.hpp" |
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#include "memory/universe.hpp" |
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inline uint G1Allocator::current_node_index() const { |
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return _numa->index_of_current_thread(); |
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} |
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inline MutatorAllocRegion* G1Allocator::mutator_alloc_region(uint node_index) { |
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assert(node_index < _num_alloc_regions, "Invalid index: %u", node_index); |
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return &_mutator_alloc_regions[node_index]; |
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} |
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inline SurvivorGCAllocRegion* G1Allocator::survivor_gc_alloc_region() { |
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return &_survivor_gc_alloc_region; |
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} |
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inline OldGCAllocRegion* G1Allocator::old_gc_alloc_region() { |
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return &_old_gc_alloc_region; |
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} |
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inline HeapWord* G1Allocator::attempt_allocation(size_t min_word_size, |
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size_t desired_word_size, |
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size_t* actual_word_size) { |
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uint node_index = current_node_index(); |
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HeapWord* result = mutator_alloc_region(node_index)->attempt_retained_allocation(min_word_size, desired_word_size, actual_word_size); |
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if (result != NULL) { |
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return result; |
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} |
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return mutator_alloc_region(node_index)->attempt_allocation(min_word_size, desired_word_size, actual_word_size); |
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} |
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inline HeapWord* G1Allocator::attempt_allocation_locked(size_t word_size) { |
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uint node_index = current_node_index(); |
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HeapWord* result = mutator_alloc_region(node_index)->attempt_allocation_locked(word_size); |
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assert(result != NULL || mutator_alloc_region(node_index)->get() == NULL, |
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"Must not have a mutator alloc region if there is no memory, but is " PTR_FORMAT, p2i(mutator_alloc_region(node_index)->get())); |
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return result; |
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} |
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inline HeapWord* G1Allocator::attempt_allocation_force(size_t word_size) { |
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uint node_index = current_node_index(); |
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return mutator_alloc_region(node_index)->attempt_allocation_force(word_size); |
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} |
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inline PLAB* G1PLABAllocator::alloc_buffer(G1HeapRegionAttr dest) { |
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assert(dest.is_valid(), |
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"Allocation buffer index out of bounds: %s", dest.get_type_str()); |
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assert(_alloc_buffers[dest.type()] != NULL, |
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"Allocation buffer is NULL: %s", dest.get_type_str()); |
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return _alloc_buffers[dest.type()]; |
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} |
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inline HeapWord* G1PLABAllocator::plab_allocate(G1HeapRegionAttr dest, |
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size_t word_sz) { |
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PLAB* buffer = alloc_buffer(dest); |
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if (_survivor_alignment_bytes == 0 || !dest.is_young()) { |
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return buffer->allocate(word_sz); |
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} else { |
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return buffer->allocate_aligned(word_sz, _survivor_alignment_bytes); |
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} |
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} |
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inline HeapWord* G1PLABAllocator::allocate(G1HeapRegionAttr dest, |
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size_t word_sz, |
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bool* refill_failed) { |
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HeapWord* const obj = plab_allocate(dest, word_sz); |
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if (obj != NULL) { |
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return obj; |
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} |
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return allocate_direct_or_new_plab(dest, word_sz, refill_failed); |
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} |
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// Create the maps which is used to identify archive objects. |
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inline void G1ArchiveAllocator::enable_archive_object_check() { |
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if (_archive_check_enabled) { |
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return; |
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} |
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_archive_check_enabled = true; |
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size_t length = G1CollectedHeap::heap()->max_reserved_capacity(); |
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_closed_archive_region_map.initialize(G1CollectedHeap::heap()->base(), |
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G1CollectedHeap::heap()->base() + length, |
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HeapRegion::GrainBytes); |
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_open_archive_region_map.initialize(G1CollectedHeap::heap()->base(), |
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G1CollectedHeap::heap()->base() + length, |
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HeapRegion::GrainBytes); |
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} |
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// Set the regions containing the specified address range as archive. |
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inline void G1ArchiveAllocator::set_range_archive(MemRegion range, bool open) { |
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assert(_archive_check_enabled, "archive range check not enabled"); |
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log_info(gc, cds)("Mark %s archive regions in map: [" PTR_FORMAT ", " PTR_FORMAT "]", |
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open ? "open" : "closed", |
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p2i(range.start()), |
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p2i(range.last())); |
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if (open) { |
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_open_archive_region_map.set_by_address(range, true); |
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} else { |
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_closed_archive_region_map.set_by_address(range, true); |
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} |
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} |
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// Clear the archive regions map containing the specified address range. |
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inline void G1ArchiveAllocator::clear_range_archive(MemRegion range, bool open) { |
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assert(_archive_check_enabled, "archive range check not enabled"); |
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log_info(gc, cds)("Clear %s archive regions in map: [" PTR_FORMAT ", " PTR_FORMAT "]", |
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open ? "open" : "closed", |
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p2i(range.start()), |
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p2i(range.last())); |
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if (open) { |
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_open_archive_region_map.set_by_address(range, false); |
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} else { |
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_closed_archive_region_map.set_by_address(range, false); |
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} |
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} |
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|
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// Check if an object is in a closed archive region using the _archive_region_map. |
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inline bool G1ArchiveAllocator::in_closed_archive_range(oop object) { |
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// This is the out-of-line part of is_closed_archive_object test, done separately |
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// to avoid additional performance impact when the check is not enabled. |
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return _closed_archive_region_map.get_by_address((HeapWord*)object); |
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} |
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|
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inline bool G1ArchiveAllocator::in_open_archive_range(oop object) { |
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return _open_archive_region_map.get_by_address((HeapWord*)object); |
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} |
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|
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// Check if archive object checking is enabled, to avoid calling in_open/closed_archive_range |
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// unnecessarily. |
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inline bool G1ArchiveAllocator::archive_check_enabled() { |
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return _archive_check_enabled; |
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} |
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|
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inline bool G1ArchiveAllocator::is_closed_archive_object(oop object) { |
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return (archive_check_enabled() && in_closed_archive_range(object)); |
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} |
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|
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inline bool G1ArchiveAllocator::is_open_archive_object(oop object) { |
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return (archive_check_enabled() && in_open_archive_range(object)); |
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} |
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|
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inline bool G1ArchiveAllocator::is_archived_object(oop object) { |
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return (archive_check_enabled() && (in_closed_archive_range(object) || |
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in_open_archive_range(object))); |
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} |
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|
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#endif // SHARE_GC_G1_G1ALLOCATOR_INLINE_HPP |