45 lines
1.3 KiB
C++
45 lines
1.3 KiB
C++
/*
|
|
* Copyright (C) 2017-2020 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 OSTimeLinux : public OSTime {
|
|
public:
|
|
OSTimeLinux(OSInterface *osInterface);
|
|
~OSTimeLinux() override;
|
|
bool getCpuTime(uint64_t *timeStamp) override;
|
|
bool getCpuGpuTime(TimeStampData *pGpuCpuTime) override;
|
|
typedef bool (OSTimeLinux::*TimestampFunction)(uint64_t *);
|
|
void timestampTypeDetect();
|
|
TimestampFunction getGpuTime = nullptr;
|
|
bool getGpuTime32(uint64_t *timestamp);
|
|
bool getGpuTime36(uint64_t *timestamp);
|
|
bool getGpuTimeSplitted(uint64_t *timestamp);
|
|
double getHostTimerResolution() const override;
|
|
double getDynamicDeviceTimerResolution(HardwareInfo const &hwInfo) const override;
|
|
uint64_t getCpuRawTimestamp() override;
|
|
|
|
protected:
|
|
typedef int (*resolutionFunc_t)(clockid_t, struct timespec *);
|
|
typedef int (*getTimeFunc_t)(clockid_t, struct timespec *);
|
|
Drm *pDrm = nullptr;
|
|
unsigned timestampSizeInBits;
|
|
resolutionFunc_t resolutionFunc;
|
|
getTimeFunc_t getTimeFunc;
|
|
};
|
|
|
|
} // namespace NEO
|