mirror of
https://github.com/openharmony/ark_runtime_core.git
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huangyu
04a4ad57e1
Signed-off-by: huangyu <huangyu76@huawei.com> Change-Id: I9ab44583d364fec1f73aa10d6d066e730b320c17
136 lines
4.1 KiB
C++
136 lines
4.1 KiB
C++
/*
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* Copyright (c) 2021-2022 Huawei Device Co., Ltd.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef PANDA_RUNTIME_MEM_MEM_STATS_H_
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#define PANDA_RUNTIME_MEM_MEM_STATS_H_
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#include <chrono>
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#include <cstdint>
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#include <cstring>
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#include "libpandabase/macros.h"
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#include "libpandabase/mem/base_mem_stats.h"
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#include "libpandabase/os/mutex.h"
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#include "runtime/include/mem/panda_string.h"
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#include "runtime/mem/gc/gc_phase.h"
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namespace panda {
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class BaseClass;
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} // namespace panda
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namespace panda::mem {
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class HeapManager;
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/**
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* Class for recording memory usage in the VM. Allocators use this class for both cases: object allocation in heap and
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* raw memory for VM needs as well. This class uses CRTP for storing additional information in DEBUG mode.
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*/
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template <typename T>
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class MemStats : public BaseMemStats {
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public:
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NO_COPY_SEMANTIC(MemStats);
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NO_MOVE_SEMANTIC(MemStats);
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MemStats() = default;
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~MemStats() override = default;
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void RecordAllocateObject(size_t size, SpaceType type_mem);
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void RecordMovedObjects(size_t total_object_num, size_t size, SpaceType type_mem);
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void RecordFreeObject(size_t object_size, SpaceType type_mem);
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void RecordFreeObjects(size_t total_object_num, size_t total_object_size, SpaceType type_mem);
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void RecordGCPauseStart();
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void RecordGCPauseEnd();
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/**
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* Number of allocated objects for all time
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*/
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[[nodiscard]] uint64_t GetTotalObjectsAllocated() const;
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/**
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* Number of freed objects for all time
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*/
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[[nodiscard]] uint64_t GetTotalObjectsFreed() const;
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/**
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* Number of allocated large and regular (size <= FREELIST_MAX_ALLOC_SIZE) objects for all time
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*/
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[[nodiscard]] uint64_t GetTotalRegularObjectsAllocated() const;
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/**
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* Number of freed large and regular (size <= FREELIST_MAX_ALLOC_SIZE) objects for all time
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*/
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[[nodiscard]] uint64_t GetTotalRegularObjectsFreed() const;
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/**
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* Number of allocated humongous (size > FREELIST_MAX_ALLOC_SIZE) objects for all time
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*/
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[[nodiscard]] uint64_t GetTotalHumongousObjectsAllocated() const;
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/**
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* Number of freed humongous (size > FREELIST_MAX_ALLOC_SIZE) objects for all time
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*/
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[[nodiscard]] uint64_t GetTotalHumongousObjectsFreed() const;
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/**
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* Number of alive objects now
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*/
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[[nodiscard]] uint64_t GetObjectsCountAlive() const;
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/**
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* Number of alive large and regular (size <= FREELIST_MAX_ALLOC_SIZE) objects now
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*/
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[[nodiscard]] uint64_t GetRegularObjectsCountAlive() const;
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/**
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* Number of alive humongous (size > FREELIST_MAX_ALLOC_SIZE) objects now
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*/
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[[nodiscard]] uint64_t GetHumonguousObjectsCountAlive() const;
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PandaString GetStatistics(HeapManager *heap_manager);
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uint64_t GetMinGCPause() const;
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uint64_t GetMaxGCPause() const;
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uint64_t GetAverageGCPause() const;
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uint64_t GetTotalGCPause() const;
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protected:
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using clock = std::chrono::high_resolution_clock;
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using duration = std::chrono::duration<uint64_t, std::nano>;
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private:
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clock::time_point pause_start_time_ = clock::now();
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duration min_pause_ = duration(0);
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duration max_pause_ = duration(0);
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duration sum_pause_ = duration(0);
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uint64_t pause_count_ = 0;
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// make groups of different parts of the VM (JIT, interpreter, etc)
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std::atomic_uint64_t objects_allocated_ = 0;
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std::atomic_uint64_t objects_freed_ = 0;
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std::atomic_uint64_t humongous_objects_allocated_ = 0;
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std::atomic_uint64_t humongous_objects_freed_ = 0;
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};
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} // namespace panda::mem
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#endif // PANDA_RUNTIME_MEM_MEM_STATS_H_
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