1 /** 2 * Copyright (c) 2021-2022 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 #ifndef PANDA_RUNTIME_MEM_MEM_STATS_ADDITIONAL_INFO_H 16 #define PANDA_RUNTIME_MEM_MEM_STATS_ADDITIONAL_INFO_H 17 18 #include <array> 19 20 #include "runtime/include/mem/panda_containers.h" 21 #include "runtime/mem/mem_stats.h" 22 23 namespace panda::mem { 24 25 /** 26 * Implementation of MemStats with additional info about memory. 27 */ 28 class MemStatsAdditionalInfo : public MemStats<MemStatsAdditionalInfo> { 29 enum STAT_TYPE { BYTES_ALLOCATED = 0, BYTES_FREED, MAX_FOOTPRINT, OBJECTS_ALLOCATED, STAT_TYPE_NUM }; 30 31 public: 32 NO_COPY_SEMANTIC(MemStatsAdditionalInfo); 33 NO_MOVE_SEMANTIC(MemStatsAdditionalInfo); 34 35 MemStatsAdditionalInfo() = default; 36 37 PandaString GetAdditionalStatistics(HeapManager *heap_manager); 38 39 void RecordGCPhaseStart(GCPhase phase); 40 void RecordGCPhaseEnd(); 41 42 uint64_t GetMinGCPhaseTime(GCPhase phase); 43 uint64_t GetMaxGCPhaseTime(GCPhase phase); 44 uint64_t GetAverageGCPhaseTime(GCPhase phase); 45 uint64_t GetTotalGCPhaseTime(GCPhase phase); 46 47 ~MemStatsAdditionalInfo() override = default; 48 49 private: 50 clock::time_point phase_start_time_ = clock::now(); 51 GCPhase current_phase_ = GCPhase::GC_PHASE_IDLE; 52 std::array<duration, ToIndex(GCPhase::GC_PHASE_LAST)> min_phase_time_ = {}; 53 std::array<duration, ToIndex(GCPhase::GC_PHASE_LAST)> max_phase_time_ = {}; 54 std::array<duration, ToIndex(GCPhase::GC_PHASE_LAST)> sum_phase_time_ = {}; 55 std::array<uint64_t, ToIndex(GCPhase::GC_PHASE_LAST)> phase_count_ = {}; 56 os::memory::Mutex phase_lock_; 57 }; 58 59 extern template class MemStats<MemStatsAdditionalInfo>; 60 } // namespace panda::mem 61 #endif // PANDA_RUNTIME_MEM_MEM_STATS_ADDITIONAL_INFO_H 62