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#pragma once
#include <ATen/record_function.h>
#include <c10/util/Synchronized.h>
namespace torch {
namespace jit {
namespace mobile {
/* The OperatorCallTracer class handles the attachment and removal of a
* recording callback that traces invocation of ATen (and other) PyTorch
* operators that get called via the Dispatcher.
*
* You can get the set of operators that were called (op_name.overload_name)
* using getCalledOperators().
*
* Note: This class is not thread safe or re-entrant, and should not be used
* across multiple threads of execution.
*
*/
struct OperatorCallTracer final {
at::CallbackHandle handle_;
OperatorCallTracer();
static c10::Synchronized<std::set<std::string>>& getCalledOperators() {
static c10::Synchronized<std::set<std::string>> called_operators_;
return called_operators_;
}
~OperatorCallTracer() {
at::removeCallback(handle_);
}
};
} // namespace mobile
} // namespace jit
} // namespace torch
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