// Copyright (C) 2018-2022 Intel Corporation
// SPDX-License-Identifier: Apache-2.0
//

/**
 * @brief A header file for the ProfilingInfo objects that contain performance
 *        metric for a single node.
 *
 * @file openvino/runtime/profiling_info.hpp
 */
#pragma once

#include <chrono>
#include <string>

namespace ov {

/**
 * @struct ProfilingInfo
 * @brief Represents basic inference profiling information per operation.
 *
 * If the operation is executed using tiling, the sum time per each tile is indicated as the total execution time.
 * Due to parallel execution, the total execution time for all nodes might be greater than the total inference time.
 */
struct ProfilingInfo {
    /**
     * @brief Defines the general status of a node.
     */
    enum class Status {
        NOT_RUN,        //!< A node is not executed.
        OPTIMIZED_OUT,  //!< A node is optimized out during graph optimization phase.
        EXECUTED        //!< A node is executed.
    };

    /**
     * @brief Defines the node status.
     */
    Status status;

    /**
     * @brief The absolute time, in microseconds, that the node ran (in total).
     */
    std::chrono::microseconds real_time;
    /**
     * @brief The net host CPU time that the node ran.
     */
    std::chrono::microseconds cpu_time;

    /**
     * @brief Name of a node.
     */
    std::string node_name;

    /**
     * @brief Execution type of a unit.
     */
    std::string exec_type;

    /**
     * @brief Node type.
     */
    std::string node_type;
};

}  // namespace ov