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#include <torch/csrc/profiler/orchestration/python_tracer.h>
namespace torch::profiler::impl::python_tracer {
namespace {
MakeFn make_fn;
struct NoOpPythonTracer : public PythonTracerBase {
NoOpPythonTracer() = default;
~NoOpPythonTracer() override = default;
void stop() override {}
void restart() override {}
std::vector<std::shared_ptr<Result>> getEvents(
std::function<c10::time_t(c10::approx_time_t)>,
std::vector<CompressedEvent>&,
c10::time_t) override {
return {};
}
};
} // namespace
void registerTracer(MakeFn make_tracer) {
make_fn = make_tracer;
}
std::unique_ptr<PythonTracerBase> PythonTracerBase::make(RecordQueue* queue) {
if (make_fn == nullptr) {
return std::make_unique<NoOpPythonTracer>();
}
return make_fn(queue);
}
} // namespace torch::profiler::impl::python_tracer
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