104 lines
3.2 KiB
C++
104 lines
3.2 KiB
C++
/*
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* Copyright (C) 2018-2024 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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#include <optional>
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#define NSEC_PER_SEC (1000000000ULL)
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#define NSEC_PER_MSEC (NSEC_PER_SEC / 1000)
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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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bool getGpuCpuTime(TimeStampData *pGpuCpuTime, OSTime *osTime, bool forceKmdCall);
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virtual bool getGpuCpuTimeImpl(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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virtual bool isTimestampsRefreshEnabled() const;
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bool getGpuCpuTimestamps(TimeStampData *timeStamp, OSTime *osTime, bool forceKmdCall);
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void setDeviceTimerResolution(HardwareInfo const &hwInfo);
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void setRefreshTimestampsFlag() {
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refreshTimestamps = true;
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}
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uint64_t getTimestampRefreshTimeout() const {
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return timestampRefreshTimeoutNS;
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};
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std::optional<uint64_t> initialGpuTimeStamp{};
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bool waitingForGpuTimeStampOverflow = false;
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uint64_t gpuTimeStampOverflowCounter = 0;
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double deviceTimerResolution = 0;
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const uint64_t timestampRefreshMinTimeoutNS = NSEC_PER_MSEC; // 1ms
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const uint64_t timestampRefreshMaxTimeoutNS = NSEC_PER_SEC; // 1s
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uint64_t timestampRefreshTimeoutNS = NSEC_PER_MSEC * 100; // 100ms
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bool refreshTimestamps = true;
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TimeStampData fetchedTimestamps{};
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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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static double getDeviceTimerResolution(HardwareInfo const &hwInfo);
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bool getGpuCpuTime(TimeStampData *gpuCpuTime, bool forceKmdCall) {
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return deviceTime->getGpuCpuTime(gpuCpuTime, this, forceKmdCall);
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}
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bool getGpuCpuTime(TimeStampData *gpuCpuTime) {
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return deviceTime->getGpuCpuTime(gpuCpuTime, this, false);
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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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uint64_t getMaxGpuTimeStamp() const { return maxGpuTimeStamp; }
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void setDeviceTimerResolution(HardwareInfo const &hwInfo) const {
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deviceTime->setDeviceTimerResolution(hwInfo);
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}
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void setRefreshTimestampsFlag() const {
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deviceTime->setRefreshTimestampsFlag();
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}
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uint64_t getTimestampRefreshTimeout() const {
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return deviceTime->getTimestampRefreshTimeout();
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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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uint64_t maxGpuTimeStamp = 0;
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};
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} // namespace NEO
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