From 174464a87f2e1709597bc1e0cb08c877487a771b Mon Sep 17 00:00:00 2001 From: Yuri Kunde Schlesner Date: Sun, 26 Feb 2017 17:13:12 -0800 Subject: PerfStats: Re-order and document members better --- src/core/perf_stats.cpp | 2 +- src/core/perf_stats.h | 17 +++++++++++++---- 2 files changed, 14 insertions(+), 5 deletions(-) diff --git a/src/core/perf_stats.cpp b/src/core/perf_stats.cpp index eb59a1332..2cdfb9ded 100644 --- a/src/core/perf_stats.cpp +++ b/src/core/perf_stats.cpp @@ -76,7 +76,7 @@ double PerfStats::GetLastFrameTimeScale() { void FrameLimiter::DoFrameLimiting(u64 current_system_time_us) { // Max lag caused by slow frames. Can be adjusted to compensate for too many slow frames. Higher - // values increases time needed to limit frame rate after spikes. + // values increase the time needed to recover and limit framerate again after spikes. constexpr microseconds MAX_LAG_TIME_US = 25ms; if (!Settings::values.toggle_framelimit) { diff --git a/src/core/perf_stats.h b/src/core/perf_stats.h index b03adab68..362b205c8 100644 --- a/src/core/perf_stats.h +++ b/src/core/perf_stats.h @@ -44,15 +44,24 @@ public: private: std::mutex object_mutex; + /// Point when the cumulative counters were reset Clock::time_point reset_point = Clock::now(); + /// System time when the cumulative counters were reset + u64 reset_point_system_us = 0; - Clock::time_point frame_begin = reset_point; - Clock::time_point previous_frame_end = reset_point; + /// Cumulative duration (excluding v-sync/frame-limiting) of frames since last reset Clock::duration accumulated_frametime = Clock::duration::zero(); - Clock::duration previous_frame_length = Clock::duration::zero(); - u64 reset_point_system_us = 0; + /// Cumulative number of system frames (LCD VBlanks) presented since last reset u32 system_frames = 0; + /// Cumulative number of game frames (GSP frame submissions) since last reset u32 game_frames = 0; + + /// Point when the previous system frame ended + Clock::time_point previous_frame_end = reset_point; + /// Point when the current system frame began + Clock::time_point frame_begin = reset_point; + /// Total visible duration (including frame-limiting, etc.) of the previous system frame + Clock::duration previous_frame_length = Clock::duration::zero(); }; class FrameLimiter { -- cgit v1.2.3