118 lines
4.0 KiB
C++
118 lines
4.0 KiB
C++
/*
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* Copyright (c) 2017, 2018, Red Hat, Inc. 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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#include "precompiled.hpp"
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#include "gc/epsilon/epsilonMonitoringSupport.hpp"
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#include "gc/epsilon/epsilonHeap.hpp"
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#include "gc/shared/generationCounters.hpp"
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#include "memory/allocation.hpp"
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#include "memory/allocation.inline.hpp"
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#include "memory/metaspaceCounters.hpp"
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#include "memory/resourceArea.hpp"
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#include "services/memoryService.hpp"
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class EpsilonSpaceCounters: public CHeapObj<mtGC> {
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friend class VMStructs;
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private:
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PerfVariable* _capacity;
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PerfVariable* _used;
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char* _name_space;
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public:
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EpsilonSpaceCounters(const char* name,
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int ordinal,
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size_t max_size,
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size_t initial_capacity,
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GenerationCounters* gc) {
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if (UsePerfData) {
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EXCEPTION_MARK;
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ResourceMark rm;
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const char* cns = PerfDataManager::name_space(gc->name_space(), "space", ordinal);
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_name_space = NEW_C_HEAP_ARRAY(char, strlen(cns)+1, mtGC);
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strcpy(_name_space, cns);
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const char* cname = PerfDataManager::counter_name(_name_space, "name");
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PerfDataManager::create_string_constant(SUN_GC, cname, name, CHECK);
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cname = PerfDataManager::counter_name(_name_space, "maxCapacity");
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PerfDataManager::create_constant(SUN_GC, cname, PerfData::U_Bytes, (jlong)max_size, CHECK);
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cname = PerfDataManager::counter_name(_name_space, "capacity");
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_capacity = PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Bytes, initial_capacity, CHECK);
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cname = PerfDataManager::counter_name(_name_space, "used");
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_used = PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Bytes, (jlong) 0, CHECK);
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cname = PerfDataManager::counter_name(_name_space, "initCapacity");
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PerfDataManager::create_constant(SUN_GC, cname, PerfData::U_Bytes, initial_capacity, CHECK);
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}
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}
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~EpsilonSpaceCounters() {
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FREE_C_HEAP_ARRAY(char, _name_space);
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}
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inline void update_all(size_t capacity, size_t used) {
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_capacity->set_value(capacity);
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_used->set_value(used);
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}
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};
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class EpsilonGenerationCounters : public GenerationCounters {
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private:
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EpsilonHeap* _heap;
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public:
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EpsilonGenerationCounters(EpsilonHeap* heap) :
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GenerationCounters("Heap", 1, 1, 0, heap->max_capacity(), heap->capacity()),
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_heap(heap)
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{};
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virtual void update_all() {
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_current_size->set_value(_heap->capacity());
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}
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};
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EpsilonMonitoringSupport::EpsilonMonitoringSupport(EpsilonHeap* heap) {
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_heap_counters = new EpsilonGenerationCounters(heap);
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_space_counters = new EpsilonSpaceCounters("Heap", 0, heap->max_capacity(), 0, _heap_counters);
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}
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void EpsilonMonitoringSupport::update_counters() {
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MemoryService::track_memory_usage();
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if (UsePerfData) {
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EpsilonHeap* heap = EpsilonHeap::heap();
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size_t used = heap->used();
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size_t capacity = heap->capacity();
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_heap_counters->update_all();
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_space_counters->update_all(capacity, used);
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MetaspaceCounters::update_performance_counters();
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CompressedClassSpaceCounters::update_performance_counters();
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}
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}
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