Method Update

Source/Engine/Profiler/ProfilingTools.cpp:33–209

ProfilingToolsService ProfilingToolsServiceInstance;

void ProfilingToolsService::Update()
{
    ZoneScoped;
    PROFILE_MEM(Profiler);

    // Capture stats
    {
        auto& stats = ProfilingTools::Stats;

        stats.ProcessMemory = Platform::GetProcessMemoryStats();
        stats.MemoryCPU = Platform::GetMemoryStats();
        stats.MemoryGPU.Total = GPUDevice::Instance->TotalGraphicsMemory;
        stats.MemoryGPU.Used = GPUDevice::Instance->GetMemoryUsage();
        stats.FPS = Engine::GetFramesPerSecond();

        stats.UpdateTimeMs = static_cast<float>(Time::Update.LastLength * 1000.0);
        stats.PhysicsTimeMs = static_cast<float>(Time::Physics.LastLength * 1000.0);
        stats.DrawCPUTimeMs = static_cast<float>(Time::Draw.LastLength * 1000.0);

        float presentTime;
        ProfilerGPU::GetLastFrameData(stats.DrawGPUTimeMs, presentTime, stats.DrawStats);
        stats.DrawCPUTimeMs = Math::Max(stats.DrawCPUTimeMs - presentTime, 0.0f); // Remove swapchain present wait time to exclude from drawing on CPU
    }

    // Extract CPU profiler events
    Platform::MemoryBarrier();
    const auto& threads = ProfilerCPU::Threads;
    Platform::MemoryBarrier();
    for (auto& pt : ProfilingTools::EventsCPU)
        pt.Events.Clear();
    ProfilingTools::EventsCPU.EnsureCapacity(threads.Count());
    for (int32 i = 0; i < threads.Count(); i++)
    {
        ProfilerCPU::Thread* thread = threads[i];
        if (thread == nullptr)
            continue;
        ProfilingTools::ThreadStats* pt = nullptr;
        for (auto& e : ProfilingTools::EventsCPU)
        {
            if (e.Name == thread->GetName())
            {
                pt = &e;
                break;
            }
        }
        if (!pt)
        {
            pt = &ProfilingTools::EventsCPU.AddOne();
            pt->Name = thread->GetName();
        }

        thread->Buffer.Extract(pt->Events, true);
    }

#if 0
    // Print CPU threads events to the log
    for (auto& pt : ProfilingTools::EventsCPU)
    {