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54 lines
1.2 KiB
C++
54 lines
1.2 KiB
C++
#pragma once
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#include <cstddef>
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#include <cstdint>
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namespace wowee {
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namespace core {
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/**
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* Monitors system memory and provides dynamic cache sizing
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*/
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class MemoryMonitor {
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public:
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static MemoryMonitor& getInstance();
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/**
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* Initialize memory monitoring
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*/
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void initialize();
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/**
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* Get total system RAM in bytes
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*/
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size_t getTotalRAM() const { return totalRAM_; }
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/**
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* Get currently available RAM in bytes
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*/
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size_t getAvailableRAM() const;
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/**
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* Get recommended cache budget (80% of available RAM, capped at 90% of total RAM)
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*/
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size_t getRecommendedCacheBudget() const;
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/**
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* Check if system is under memory pressure (< 10% RAM available)
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*/
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bool isMemoryPressure() const;
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/**
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* Check if system is under severe memory pressure (< 15% RAM available).
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* At this level, background loading should pause entirely until memory
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* is freed — continuing to allocate risks OOM-killing other applications.
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*/
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bool isSevereMemoryPressure() const;
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private:
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MemoryMonitor() = default;
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size_t totalRAM_ = 0;
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};
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} // namespace core
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} // namespace wowee
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