65 lines
1.7 KiB
C++
65 lines
1.7 KiB
C++
/*
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* Copyright (C) 2018-2023 Intel Corporation
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*
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* SPDX-License-Identifier: MIT
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*
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*/
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#pragma once
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#include <memory>
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#define NSEC_PER_SEC (1000000000ULL)
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namespace NEO {
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class OSInterface;
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struct HardwareInfo;
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struct TimeStampData {
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uint64_t gpuTimeStamp; // GPU time in counter ticks
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uint64_t cpuTimeinNS; // CPU time in ns
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};
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class OSTime;
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class DeviceTime {
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public:
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virtual ~DeviceTime() = default;
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virtual bool getCpuGpuTime(TimeStampData *pGpuCpuTime, OSTime *osTime);
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virtual double getDynamicDeviceTimerResolution(HardwareInfo const &hwInfo) const;
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virtual uint64_t getDynamicDeviceTimerClock(HardwareInfo const &hwInfo) const;
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};
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class OSTime {
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public:
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static std::unique_ptr<OSTime> create(OSInterface *osInterface);
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OSTime(std::unique_ptr<DeviceTime> deviceTime);
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virtual ~OSTime() = default;
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virtual bool getCpuTime(uint64_t *timeStamp);
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virtual double getHostTimerResolution() const;
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virtual uint64_t getCpuRawTimestamp();
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OSInterface *getOSInterface() const {
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return osInterface;
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}
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static double getDeviceTimerResolution(HardwareInfo const &hwInfo);
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bool getCpuGpuTime(TimeStampData *gpuCpuTime) {
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return deviceTime->getCpuGpuTime(gpuCpuTime, this);
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}
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double getDynamicDeviceTimerResolution(HardwareInfo const &hwInfo) const {
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return deviceTime->getDynamicDeviceTimerResolution(hwInfo);
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}
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uint64_t getDynamicDeviceTimerClock(HardwareInfo const &hwInfo) const {
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return deviceTime->getDynamicDeviceTimerClock(hwInfo);
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}
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protected:
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OSTime() = default;
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OSInterface *osInterface = nullptr;
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std::unique_ptr<DeviceTime> deviceTime;
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};
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} // namespace NEO
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