compute-runtime/shared/source/os_interface/linux/device_time_drm.h

38 lines
1.1 KiB
C++

/*
* Copyright (C) 2017-2021 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#pragma once
#include "shared/source/os_interface/linux/drm_neo.h"
#include "shared/source/os_interface/os_time.h"
#define OCLRT_NUM_TIMESTAMP_BITS (36)
#define OCLRT_NUM_TIMESTAMP_BITS_FALLBACK (32)
#define TIMESTAMP_HIGH_REG 0x0235C
#define TIMESTAMP_LOW_REG 0x02358
namespace NEO {
class DeviceTimeDrm : public DeviceTime {
public:
DeviceTimeDrm(OSInterface *osInterface);
bool getCpuGpuTime(TimeStampData *pGpuCpuTime, OSTime *osTime) override;
typedef bool (DeviceTimeDrm::*TimestampFunction)(uint64_t *);
void timestampTypeDetect();
TimestampFunction getGpuTime = nullptr;
bool getGpuTime32(uint64_t *timestamp);
bool getGpuTime36(uint64_t *timestamp);
bool getGpuTimeSplitted(uint64_t *timestamp);
double getDynamicDeviceTimerResolution(HardwareInfo const &hwInfo) const override;
uint64_t getDynamicDeviceTimerClock(HardwareInfo const &hwInfo) const override;
protected:
Drm *pDrm = nullptr;
unsigned timestampSizeInBits;
};
} // namespace NEO