Method StopTrackingPresent

PresentData/PresentMonTraceConsumer.cpp:1932–2048

Remove the present from all temporary tracking structures.

// Remove the present from all temporary tracking structures.
void PMTraceConsumer::StopTrackingPresent(std::shared_ptr<PresentEvent> const& p)
{
    // Don't report changes to the tracking members.
    VerboseTraceBeforeModifyingPresent(nullptr);

    // mTrackedPresents
    if (p->RingIndex != UINT32_MAX) {
        mTrackedPresents[p->RingIndex] = nullptr;
        p->RingIndex = UINT32_MAX;
    }

    // mPresentByThreadId
    //
    // If the present was batched, it will by referenced in mPresentByThreadId
    // by both ThreadId and DriverThreadId.
    //
    // We don't reset ThreadId nor DriverThreadId as both are useful outside of
    // tracking.
    if (!p->WaitingForPresentStop) {
        auto ii = mPresentByThreadId.find(p->ThreadId);
        if (ii != mPresentByThreadId.end() && ii->second == p) {
            mPresentByThreadId.erase(ii);
        }
    }
    if (p->DriverThreadId != 0) {
        auto ii = mPresentByThreadId.find(p->DriverThreadId);
        if (ii != mPresentByThreadId.end() && ii->second == p) {
            mPresentByThreadId.erase(ii);
        }
    }

    // mOrderedPresentsByProcessId
    mOrderedPresentsByProcessId[p->ProcessId].erase(p->PresentStartTime);

    // mPresentBySubmitSequence
    RemovePresentFromSubmitSequenceIdTracking(p);

    // mPresentByWin32KPresentHistoryToken
    if (p->CompositionSurfaceLuid != 0) {
        Win32KPresentHistoryToken key(
            p->CompositionSurfaceLuid,
            p->Win32KPresentCount,
            p->Win32KBindId
        );

        auto eventIter = mPresentByWin32KPresentHistoryToken.find(key);
        if (eventIter != mPresentByWin32KPresentHistoryToken.end() && (eventIter->second == p)) {
            mPresentByWin32KPresentHistoryToken.erase(eventIter);
        }

        p->CompositionSurfaceLuid = 0;
        p->Win32KPresentCount = 0;
        p->Win32KBindId = 0;
    }

    // mPresentByDxgkPresentHistoryToken
    if (p->DxgkPresentHistoryToken != 0) {
        auto eventIter = mPresentByDxgkPresentHistoryToken.find(p->DxgkPresentHistoryToken);