Mercurial > hg > graal-compiler
view src/share/vm/services/g1MemoryPool.cpp @ 2457:527977d4f740
7033779: CodeCache::largest_free_block may need to hold the CodeCache lock
Reviewed-by: kvn
author | never |
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date | Tue, 05 Apr 2011 19:16:52 -0700 |
parents | f95d63e2154a |
children | b52782ae3880 |
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/* * Copyright (c) 2007, 2010, 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_implementation/g1/g1CollectedHeap.hpp" #include "gc_implementation/g1/g1CollectedHeap.inline.hpp" #include "gc_implementation/g1/g1CollectorPolicy.hpp" #include "gc_implementation/g1/heapRegion.hpp" #include "services/g1MemoryPool.hpp" G1MemoryPoolSuper::G1MemoryPoolSuper(G1CollectedHeap* g1h, const char* name, size_t init_size, bool support_usage_threshold) : _g1h(g1h), CollectedMemoryPool(name, MemoryPool::Heap, init_size, undefined_max(), support_usage_threshold) { assert(UseG1GC, "sanity"); } // See the comment at the top of g1MemoryPool.hpp size_t G1MemoryPoolSuper::eden_space_committed(G1CollectedHeap* g1h) { return MAX2(eden_space_used(g1h), (size_t) HeapRegion::GrainBytes); } // See the comment at the top of g1MemoryPool.hpp size_t G1MemoryPoolSuper::eden_space_used(G1CollectedHeap* g1h) { size_t young_list_length = g1h->young_list()->length(); size_t eden_used = young_list_length * HeapRegion::GrainBytes; size_t survivor_used = survivor_space_used(g1h); eden_used = subtract_up_to_zero(eden_used, survivor_used); return eden_used; } // See the comment at the top of g1MemoryPool.hpp size_t G1MemoryPoolSuper::survivor_space_committed(G1CollectedHeap* g1h) { return MAX2(survivor_space_used(g1h), (size_t) HeapRegion::GrainBytes); } // See the comment at the top of g1MemoryPool.hpp size_t G1MemoryPoolSuper::survivor_space_used(G1CollectedHeap* g1h) { size_t survivor_num = g1h->g1_policy()->recorded_survivor_regions(); size_t survivor_used = survivor_num * HeapRegion::GrainBytes; return survivor_used; } // See the comment at the top of g1MemoryPool.hpp size_t G1MemoryPoolSuper::old_space_committed(G1CollectedHeap* g1h) { size_t committed = overall_committed(g1h); size_t eden_committed = eden_space_committed(g1h); size_t survivor_committed = survivor_space_committed(g1h); committed = subtract_up_to_zero(committed, eden_committed); committed = subtract_up_to_zero(committed, survivor_committed); committed = MAX2(committed, (size_t) HeapRegion::GrainBytes); return committed; } // See the comment at the top of g1MemoryPool.hpp size_t G1MemoryPoolSuper::old_space_used(G1CollectedHeap* g1h) { size_t used = overall_used(g1h); size_t eden_used = eden_space_used(g1h); size_t survivor_used = survivor_space_used(g1h); used = subtract_up_to_zero(used, eden_used); used = subtract_up_to_zero(used, survivor_used); return used; } G1EdenPool::G1EdenPool(G1CollectedHeap* g1h) : G1MemoryPoolSuper(g1h, "G1 Eden", eden_space_committed(g1h), /* init_size */ false /* support_usage_threshold */) { } MemoryUsage G1EdenPool::get_memory_usage() { size_t initial_sz = initial_size(); size_t max_sz = max_size(); size_t used = used_in_bytes(); size_t committed = eden_space_committed(_g1h); return MemoryUsage(initial_sz, used, committed, max_sz); } G1SurvivorPool::G1SurvivorPool(G1CollectedHeap* g1h) : G1MemoryPoolSuper(g1h, "G1 Survivor", survivor_space_committed(g1h), /* init_size */ false /* support_usage_threshold */) { } MemoryUsage G1SurvivorPool::get_memory_usage() { size_t initial_sz = initial_size(); size_t max_sz = max_size(); size_t used = used_in_bytes(); size_t committed = survivor_space_committed(_g1h); return MemoryUsage(initial_sz, used, committed, max_sz); } G1OldGenPool::G1OldGenPool(G1CollectedHeap* g1h) : G1MemoryPoolSuper(g1h, "G1 Old Gen", old_space_committed(g1h), /* init_size */ true /* support_usage_threshold */) { } MemoryUsage G1OldGenPool::get_memory_usage() { size_t initial_sz = initial_size(); size_t max_sz = max_size(); size_t used = used_in_bytes(); size_t committed = old_space_committed(_g1h); return MemoryUsage(initial_sz, used, committed, max_sz); }