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//
// Copyright © 2017 Arm Ltd. All rights reserved.
// SPDX-License-Identifier: MIT
//
#pragma once
#include <stack>
#include <vector>
#include <chrono>
#include <memory>
#include <common/include/ProfilingGuid.hpp>
#include <armnn/Optional.hpp>
#include "Instrument.hpp"
#include "armnn/Types.hpp"
namespace armnn
{
/// Forward declaration
class IProfiler;
/// Event class records measurements reported by BeginEvent()/EndEvent() and returns measurements when
/// Event::GetMeasurements() is called.
class Event
{
public:
using InstrumentPtr = std::unique_ptr<Instrument>;
using Instruments = std::vector<InstrumentPtr>;
Event(const std::string& eventName,
IProfiler* profiler,
Event* parent,
const BackendId backendId,
std::vector<InstrumentPtr>&& instrument,
const Optional<profiling::ProfilingGuid> guid);
Event(const Event& other) = delete;
/// Move Constructor
Event(Event&& other) noexcept;
/// Destructor
~Event() noexcept;
/// Start the Event
void Start();
/// Stop the Event
void Stop();
/// Get the recorded measurements calculated between Start() and Stop()
/// \return Recorded measurements of the event
const std::vector<Measurement> GetMeasurements() const;
/// Get the name of the event
/// \return Name of the event
const std::string& GetName() const;
/// Get the pointer of the profiler associated with this event
/// \return Pointer of the profiler associated with this event
const IProfiler* GetProfiler() const;
/// Get the pointer of the parent event
/// \return Pointer of the parent event
const Event* GetParentEvent() const;
/// Get the backend id of the event
/// \return Backend id of the event
BackendId GetBackendId() const;
/// Get the associated profiling GUID if the event is a workload
/// \return Optional GUID of the event
Optional<profiling::ProfilingGuid> GetProfilingGuid() const;
/// Assignment operator
Event& operator=(const Event& other) = delete;
/// Move Assignment operator
Event& operator=(Event&& other) noexcept;
private:
/// Name of the event
std::string m_EventName;
/// Stored associated profiler
IProfiler* m_Profiler;
/// Stores optional parent event
Event* m_Parent;
/// Backend id
BackendId m_BackendId;
/// Instruments to use
Instruments m_Instruments;
/// Workload Profiling id
Optional<profiling::ProfilingGuid> m_ProfilingGuid;
};
} // namespace armnn
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