44 lines
1 KiB
C
44 lines
1 KiB
C
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// Copyright 2017 Citra Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#pragma once
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#include <chrono>
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#include "common/common_types.h"
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namespace Core {
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class PerfStats {
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public:
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using Clock = std::chrono::high_resolution_clock;
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struct Results {
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/// System FPS (LCD VBlanks) in Hz
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double system_fps;
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/// Game FPS (GSP frame submissions) in Hz
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double game_fps;
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/// Walltime per system frame, in seconds, excluding any waits
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double frametime;
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/// Ratio of walltime / emulated time elapsed
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double emulation_speed;
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};
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void BeginSystemFrame();
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void EndSystemFrame();
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void EndGameFrame();
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Results GetAndResetStats(u64 current_system_time_us);
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private:
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Clock::time_point reset_point = Clock::now();
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Clock::time_point frame_begin;
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Clock::duration accumulated_frametime = Clock::duration::zero();
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u64 reset_point_system_us = 0;
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u32 system_frames = 0;
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u32 game_frames = 0;
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};
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} // namespace Core
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