1 /* 2 * Copyright (c) 2017, 2019, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 #ifndef SHARE_GC_Z_ZSERVICEABILITY_HPP 25 #define SHARE_GC_Z_ZSERVICEABILITY_HPP 26 27 #include "gc/shared/collectorCounters.hpp" 28 #include "gc/shared/gcVMOperations.hpp" 29 #include "memory/allocation.hpp" 30 #include "services/memoryManager.hpp" 31 #include "services/memoryPool.hpp" 32 #include "services/memoryService.hpp" 33 34 class ZServiceabilityCounters; 35 36 class ZServiceabilityMemoryPool : public CollectedMemoryPool { 37 public: 38 ZServiceabilityMemoryPool(size_t min_capacity, size_t max_capacity); 39 40 virtual size_t used_in_bytes(); 41 virtual MemoryUsage get_memory_usage(); 42 }; 43 44 class ZServiceabilityMemoryManager : public GCMemoryManager { 45 public: 46 ZServiceabilityMemoryManager(ZServiceabilityMemoryPool* pool); 47 }; 48 49 class ZServiceability { 50 private: 51 const size_t _min_capacity; 52 const size_t _max_capacity; 53 ZServiceabilityMemoryPool _memory_pool; 54 ZServiceabilityMemoryManager _memory_manager; 55 ZServiceabilityCounters* _counters; 56 57 public: 58 ZServiceability(size_t min_capacity, size_t max_capacity); 59 60 void initialize(); 61 62 MemoryPool* memory_pool(); 63 GCMemoryManager* memory_manager(); 64 ZServiceabilityCounters* counters(); 65 }; 66 67 class ZServiceabilityMemoryUsageTracker { 68 public: 69 ~ZServiceabilityMemoryUsageTracker(); 70 }; 71 72 class ZServiceabilityManagerStatsTracer { 73 private: 74 TraceMemoryManagerStats _stats; 75 76 public: 77 ZServiceabilityManagerStatsTracer(bool is_gc_begin, bool is_gc_end); 78 }; 79 80 class ZServiceabilityCountersTracer { 81 private: 82 TraceCollectorStats _stats; 83 84 public: 85 ZServiceabilityCountersTracer(); 86 ~ZServiceabilityCountersTracer(); 87 }; 88 89 template <bool IsGCStart, bool IsGCEnd> 90 class ZServiceabilityTracer : public StackObj { 91 private: 92 SvcGCMarker _svc_gc_marker; 93 ZServiceabilityMemoryUsageTracker _memory_usage_tracker; 94 ZServiceabilityManagerStatsTracer _manager_stats_tracer; 95 ZServiceabilityCountersTracer _counters_tracer; 96 97 public: ZServiceabilityTracer()98 ZServiceabilityTracer() : 99 _svc_gc_marker(SvcGCMarker::CONCURRENT), 100 _memory_usage_tracker(), 101 _manager_stats_tracer(IsGCStart, IsGCEnd), 102 _counters_tracer() {} 103 }; 104 105 typedef ZServiceabilityTracer<true, false> ZServiceabilityMarkStartTracer; 106 typedef ZServiceabilityTracer<false, false> ZServiceabilityMarkEndTracer; 107 typedef ZServiceabilityTracer<false, true> ZServiceabilityRelocateStartTracer; 108 109 #endif // SHARE_GC_Z_ZSERVICEABILITY_HPP 110