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Core: Make PerfStats internally locked
More ergonomic to use and will be required for upcoming changes.
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@ -110,8 +110,7 @@ void System::PrepareReschedule() {
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}
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PerfStats::Results System::GetAndResetPerfStats() {
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auto perf_stats = this->perf_stats.Lock();
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return perf_stats->GetAndResetStats(CoreTiming::GetGlobalTimeUs());
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return perf_stats.GetAndResetStats(CoreTiming::GetGlobalTimeUs());
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}
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void System::Reschedule() {
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@ -147,7 +146,7 @@ System::ResultStatus System::Init(EmuWindow* emu_window, u32 system_mode) {
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// Reset counters and set time origin to current frame
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GetAndResetPerfStats();
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perf_stats.Lock()->BeginSystemFrame();
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perf_stats.BeginSystemFrame();
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return ResultStatus::Success;
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}
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@ -7,7 +7,6 @@
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#include <memory>
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#include <string>
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#include "common/common_types.h"
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#include "common/synchronized_wrapper.h"
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#include "core/memory.h"
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#include "core/perf_stats.h"
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@ -94,7 +93,7 @@ public:
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return *cpu_core;
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}
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Common::SynchronizedWrapper<PerfStats> perf_stats;
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PerfStats perf_stats;
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private:
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/**
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@ -104,7 +104,7 @@ void EmuWindow::AccelerometerChanged(float x, float y, float z) {
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void EmuWindow::GyroscopeChanged(float x, float y, float z) {
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constexpr float FULL_FPS = 60;
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float coef = GetGyroscopeRawToDpsCoefficient();
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float stretch = Core::System::GetInstance().perf_stats.Lock()->GetLastFrameTimeScale();
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float stretch = Core::System::GetInstance().perf_stats.GetLastFrameTimeScale();
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std::lock_guard<std::mutex> lock(gyro_mutex);
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gyro_x = static_cast<s16>(x * coef * stretch);
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gyro_y = static_cast<s16>(y * coef * stretch);
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@ -281,8 +281,7 @@ ResultCode SetBufferSwap(u32 screen_id, const FrameBufferInfo& info) {
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if (screen_id == 0) {
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MicroProfileFlip();
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auto perf_stats = Core::System::GetInstance().perf_stats.Lock();
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perf_stats->EndGameFrame();
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Core::System::GetInstance().perf_stats.EndGameFrame();
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}
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return RESULT_SUCCESS;
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@ -3,6 +3,7 @@
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// Refer to the license.txt file included.
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#include <chrono>
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#include <mutex>
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#include "core/hw/gpu.h"
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#include "core/perf_stats.h"
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@ -12,10 +13,14 @@ using std::chrono::duration_cast;
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namespace Core {
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void PerfStats::BeginSystemFrame() {
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std::lock_guard<std::mutex> lock(object_mutex);
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frame_begin = Clock::now();
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}
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void PerfStats::EndSystemFrame() {
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std::lock_guard<std::mutex> lock(object_mutex);
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auto frame_end = Clock::now();
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accumulated_frametime += frame_end - frame_begin;
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system_frames += 1;
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@ -25,10 +30,14 @@ void PerfStats::EndSystemFrame() {
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}
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void PerfStats::EndGameFrame() {
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std::lock_guard<std::mutex> lock(object_mutex);
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game_frames += 1;
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}
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PerfStats::Results PerfStats::GetAndResetStats(u64 current_system_time_us) {
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std::lock_guard<std::mutex> lock(object_mutex);
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auto now = Clock::now();
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// Walltime elapsed since stats were reset
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auto interval = duration_cast<DoubleSecs>(now - reset_point).count();
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@ -54,6 +63,8 @@ PerfStats::Results PerfStats::GetAndResetStats(u64 current_system_time_us) {
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}
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double PerfStats::GetLastFrameTimeScale() {
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std::lock_guard<std::mutex> lock(object_mutex);
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constexpr double FRAME_LENGTH = 1.0 / GPU::SCREEN_REFRESH_RATE;
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return duration_cast<DoubleSecs>(previous_frame_length).count() / FRAME_LENGTH;
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}
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@ -5,10 +5,15 @@
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#pragma once
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#include <chrono>
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#include <mutex>
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#include "common/common_types.h"
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namespace Core {
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/**
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* Class to manage and query performance/timing statistics. All public functions of this class are
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* thread-safe unless stated otherwise.
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*/
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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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@ -37,6 +42,8 @@ public:
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double GetLastFrameTimeScale();
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private:
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std::mutex object_mutex;
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Clock::time_point reset_point = Clock::now();
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Clock::time_point frame_begin = reset_point;
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@ -145,10 +145,7 @@ void RendererOpenGL::SwapBuffers() {
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DrawScreens();
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{
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auto perf_stats = Core::System::GetInstance().perf_stats.Lock();
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perf_stats->EndSystemFrame();
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}
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Core::System::GetInstance().perf_stats.EndSystemFrame();
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// Swap buffers
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render_window->PollEvents();
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@ -156,10 +153,7 @@ void RendererOpenGL::SwapBuffers() {
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prev_state.Apply();
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{
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auto perf_stats = Core::System::GetInstance().perf_stats.Lock();
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perf_stats->BeginSystemFrame();
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}
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Core::System::GetInstance().perf_stats.BeginSystemFrame();
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RefreshRasterizerSetting();
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