From c75ae6c585f651a1b7c162c2e1ecccd22a1c587d Mon Sep 17 00:00:00 2001 From: Yuri Kunde Schlesner Date: Sun, 19 Feb 2017 14:34:47 -0800 Subject: Add performance statistics to status bar --- src/core/perf_stats.h | 43 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 43 insertions(+) create mode 100644 src/core/perf_stats.h (limited to 'src/core/perf_stats.h') diff --git a/src/core/perf_stats.h b/src/core/perf_stats.h new file mode 100644 index 000000000..566a1419a --- /dev/null +++ b/src/core/perf_stats.h @@ -0,0 +1,43 @@ +// Copyright 2017 Citra Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#pragma once + +#include +#include "common/common_types.h" + +namespace Core { + +class PerfStats { +public: + using Clock = std::chrono::high_resolution_clock; + + struct Results { + /// System FPS (LCD VBlanks) in Hz + double system_fps; + /// Game FPS (GSP frame submissions) in Hz + double game_fps; + /// Walltime per system frame, in seconds, excluding any waits + double frametime; + /// Ratio of walltime / emulated time elapsed + double emulation_speed; + }; + + void BeginSystemFrame(); + void EndSystemFrame(); + void EndGameFrame(); + + Results GetAndResetStats(u64 current_system_time_us); + +private: + Clock::time_point reset_point = Clock::now(); + + Clock::time_point frame_begin; + Clock::duration accumulated_frametime = Clock::duration::zero(); + u64 reset_point_system_us = 0; + u32 system_frames = 0; + u32 game_frames = 0; +}; + +} // namespace Core -- cgit v1.2.3