Mercurial > hg > graal-compiler
view src/share/vm/memory/metaspaceCounters.cpp @ 12141:cc56f122f3f7
8023720: (hotspot) setjmp/longjmp changes the process signal mask on OS X
Reviewed-by: dholmes, rbackman
author | sla |
---|---|
date | Thu, 29 Aug 2013 11:05:55 +0200 |
parents | 1a8fb39bdbc4 |
children | 7944aba7ba41 |
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/* * Copyright (c) 2012, 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 "memory/metaspaceCounters.hpp" #include "memory/resourceArea.hpp" #include "runtime/globals.hpp" #include "runtime/perfData.hpp" #include "utilities/exceptions.hpp" class MetaspacePerfCounters: public CHeapObj<mtInternal> { friend class VMStructs; PerfVariable* _capacity; PerfVariable* _used; PerfVariable* _max_capacity; PerfVariable* create_variable(const char *ns, const char *name, size_t value, TRAPS) { const char *path = PerfDataManager::counter_name(ns, name); return PerfDataManager::create_variable(SUN_GC, path, PerfData::U_Bytes, value, THREAD); } void create_constant(const char *ns, const char *name, size_t value, TRAPS) { const char *path = PerfDataManager::counter_name(ns, name); PerfDataManager::create_constant(SUN_GC, path, PerfData::U_Bytes, value, THREAD); } public: MetaspacePerfCounters(const char* ns, size_t min_capacity, size_t curr_capacity, size_t max_capacity, size_t used) { EXCEPTION_MARK; ResourceMark rm; create_constant(ns, "minCapacity", min_capacity, THREAD); _capacity = create_variable(ns, "capacity", curr_capacity, THREAD); _max_capacity = create_variable(ns, "maxCapacity", max_capacity, THREAD); _used = create_variable(ns, "used", used, THREAD); } void update(size_t capacity, size_t max_capacity, size_t used) { _capacity->set_value(capacity); _max_capacity->set_value(max_capacity); _used->set_value(used); } }; MetaspacePerfCounters* MetaspaceCounters::_perf_counters = NULL; size_t MetaspaceCounters::calculate_capacity() { // The total capacity is the sum of // 1) capacity of Metachunks in use by all Metaspaces // 2) unused space at the end of each Metachunk // 3) space in the freelist size_t total_capacity = MetaspaceAux::allocated_capacity_bytes() + MetaspaceAux::free_bytes() + MetaspaceAux::free_chunks_total_in_bytes(); return total_capacity; } void MetaspaceCounters::initialize_performance_counters() { if (UsePerfData) { assert(_perf_counters == NULL, "Should only be initialized once"); size_t min_capacity = MetaspaceAux::min_chunk_size(); size_t capacity = calculate_capacity(); size_t max_capacity = MetaspaceAux::reserved_in_bytes(); size_t used = MetaspaceAux::allocated_used_bytes(); _perf_counters = new MetaspacePerfCounters("metaspace", min_capacity, capacity, max_capacity, used); } } void MetaspaceCounters::update_performance_counters() { if (UsePerfData) { assert(_perf_counters != NULL, "Should be initialized"); size_t capacity = calculate_capacity(); size_t max_capacity = MetaspaceAux::reserved_in_bytes(); size_t used = MetaspaceAux::allocated_used_bytes(); _perf_counters->update(capacity, max_capacity, used); } } MetaspacePerfCounters* CompressedClassSpaceCounters::_perf_counters = NULL; size_t CompressedClassSpaceCounters::calculate_capacity() { return MetaspaceAux::allocated_capacity_bytes(_class_type) + MetaspaceAux::free_bytes(_class_type) + MetaspaceAux::free_chunks_total_in_bytes(_class_type); } void CompressedClassSpaceCounters::update_performance_counters() { if (UsePerfData && UseCompressedKlassPointers) { assert(_perf_counters != NULL, "Should be initialized"); size_t capacity = calculate_capacity(); size_t max_capacity = MetaspaceAux::reserved_in_bytes(_class_type); size_t used = MetaspaceAux::allocated_used_bytes(_class_type); _perf_counters->update(capacity, max_capacity, used); } } void CompressedClassSpaceCounters::initialize_performance_counters() { if (UsePerfData) { assert(_perf_counters == NULL, "Should only be initialized once"); const char* ns = "compressedclassspace"; if (UseCompressedKlassPointers) { size_t min_capacity = MetaspaceAux::min_chunk_size(); size_t capacity = calculate_capacity(); size_t max_capacity = MetaspaceAux::reserved_in_bytes(_class_type); size_t used = MetaspaceAux::allocated_used_bytes(_class_type); _perf_counters = new MetaspacePerfCounters(ns, min_capacity, capacity, max_capacity, used); } else { _perf_counters = new MetaspacePerfCounters(ns, 0, 0, 0, 0); } } }