Method stopRecording

valdi_core/src/valdi_core/cpp/Utils/Trace.cpp:97–137

ScopedTrace::~ScopedTrace() {
    std::optional<TraceTimePoint> endTime;
    if (_startTime) {
        endTime = std::chrono::steady_clock::now();
    }

    // Runs before the name is handed to the Tracer, which may move _ownedTrace out from under
    // _trace.
    end();

    if (_startTime) {
        std::string trace;
        if (_ownedTrace.empty()) {
            // Literal name: only worth materializing now that we know a recorder wants it.
            trace = std::string(_trace);
        } else {
            // _trace views _ownedTrace, so this must not read _trace afterwards.
            trace = std::move(_ownedTrace);
        }

        Tracer::shared().append(std::move(trace), _startTime.value(), endTime.value());
    }
}

void ScopedTrace::start() {
    begin();

    if (Tracer::shared().isRecording()) {
        _startTime = {std::chrono::steady_clock::now()};
    }
}

void ScopedTrace::begin() {
    snap::profiling::TraceBegin traceBegin;
    traceBegin.name = _trace;

    _osEmitter.begin(traceBegin);
}

void ScopedTrace::end() {
    snap::profiling::TraceEnd traceEnd;
    traceEnd.name = _trace;

    _osEmitter.end(traceEnd);
}