SystemMetrics.hpp

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#pragma once
 
#include <Core/OSDef.hpp>
 
namespace Sleak {
 
/// Snapshot of OS-reported CPU/RAM/GPU usage at the moment of the last Query.
/// @ingroup debug
struct SystemMetricsData {
    float CpuUsagePercent = 0.0f;
    float RamUsageMB = 0.0f;
    float GpuUsagePercent = 0.0f;
    float GpuMemoryUsedMB = 0.0f;
};
 
/// Polls platform-specific counters (PDH on Windows, /proc on Linux) for CPU/RAM/GPU usage.
/// @ingroup debug
class ENGINE_API SystemMetrics {
public:
    static void Initialize();
    static void Shutdown();
    /// Reads the current CPU/RAM/GPU usage from the OS.
    static SystemMetricsData Query();
 
private:
    static bool s_initialized;
};
 
}  // namespace Sleak