133 lines
4.4 KiB
C++
133 lines
4.4 KiB
C++
/*
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* Copyright (c) 2017, Intel Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include <memory>
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#include <ntstatus.h>
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//For not redefining STATUS_* from ntstatus.h
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#define WIN32_NO_STATUS
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#include "runtime/os_interface/windows/wddm.h"
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#include "runtime/os_interface/windows/os_interface.h"
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#include "runtime/os_interface/windows/os_time.h"
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#undef WIN32_NO_STATUS
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namespace OCLRT {
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bool runEscape(Wddm *wddm, TimeStampDataHeader &escapeInfo) {
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if (wddm) {
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D3DKMT_ESCAPE escapeCommand = {0};
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GTDIGetGpuCpuTimestampsIn in = {GTDI_FNC_GET_GPU_CPU_TIMESTAMPS};
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GTDIGetGpuCpuTimestampsOut out = {GTDI_RET_FAILED, 0};
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uint32_t inSize = sizeof(GTDIGetGpuCpuTimestampsIn);
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uint32_t outSize = sizeof(GTDIGetGpuCpuTimestampsOut);
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escapeInfo.m_Header.EscapeCode = GFX_ESCAPE_IGPA_INSTRUMENTATION_CONTROL;
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escapeInfo.m_Header.Size = outSize;
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escapeInfo.m_Data.m_In = in;
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escapeCommand.Flags.Value = 0;
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escapeCommand.hAdapter = (D3DKMT_HANDLE)0;
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escapeCommand.hContext = (D3DKMT_HANDLE)0; // escape is not context specific
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escapeCommand.hDevice = (D3DKMT_HANDLE)0; // escape not device specific
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escapeCommand.pPrivateDriverData = &escapeInfo;
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escapeCommand.PrivateDriverDataSize = sizeof(escapeInfo);
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escapeCommand.Type = D3DKMT_ESCAPE_DRIVERPRIVATE;
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auto status = wddm->escape(escapeCommand);
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if (status == STATUS_SUCCESS) {
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return true;
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}
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}
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return false;
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}
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bool OSTimeWin::getCpuGpuTime(TimeStampData *pGpuCpuTime) {
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bool retVal = false;
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pGpuCpuTime->CPUTimeinNS = 0;
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pGpuCpuTime->GPUTimeStamp = 0;
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TimeStampDataHeader escapeInfo = {0};
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if (runEscape(wddm, escapeInfo)) {
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double cpuNanoseconds = escapeInfo.m_Data.m_Out.cpuPerfTicks *
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(1000000000.0 / escapeInfo.m_Data.m_Out.cpuPerfFreq);
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pGpuCpuTime->CPUTimeinNS = (unsigned long long)cpuNanoseconds;
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pGpuCpuTime->GPUTimeStamp = (unsigned long long)escapeInfo.m_Data.m_Out.gpuPerfTicks;
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retVal = true;
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}
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return retVal;
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}
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bool OSTimeWin::getCpuTime(uint64_t *timeStamp) {
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uint64_t time;
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uint64_t frequency;
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QueryPerformanceCounter((LARGE_INTEGER *)&time);
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QueryPerformanceFrequency((LARGE_INTEGER *)&frequency);
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*timeStamp = time * NSEC_PER_SEC / frequency;
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return true;
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};
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std::unique_ptr<OSTime> OSTime::create(OSInterface *osInterface) {
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return std::unique_ptr<OSTime>(new OSTimeWin(osInterface));
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}
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OSTimeWin::OSTimeWin(OSInterface *osInterface) : wddm(nullptr) {
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this->osInterface = osInterface;
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if (osInterface) {
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wddm = osInterface->get()->getWddm();
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}
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QueryPerformanceFrequency(&frequency);
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}
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double OSTimeWin::getHostTimerResolution() const {
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double retValue = 0;
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if (frequency.QuadPart) {
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retValue = 1e9 / frequency.QuadPart;
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}
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return retValue;
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}
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double OSTimeWin::getDynamicDeviceTimerResolution(HardwareInfo const &hwInfo) const {
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double retVal = 0;
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TimeStampDataHeader escapeInfo = {0};
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if (runEscape(wddm, escapeInfo)) {
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retVal = 1000000000.0 / (double)escapeInfo.m_Data.m_Out.gpuPerfFreq;
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}
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return retVal;
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}
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uint64_t OSTimeWin::getCpuRawTimestamp() {
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LARGE_INTEGER cpuRawTimestamp = {};
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QueryPerformanceCounter(&cpuRawTimestamp);
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return cpuRawTimestamp.QuadPart;
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}
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} // namespace OCLRT
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