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/*
* 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
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