88 lines
3.3 KiB
C++
88 lines
3.3 KiB
C++
/*
|
|
* Copyright (c) 2017, Intel Corporation
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a
|
|
* copy of this software and associated documentation files (the "Software"),
|
|
* to deal in the Software without restriction, including without limitation
|
|
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
|
* and/or sell copies of the Software, and to permit persons to whom the
|
|
* Software is furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included
|
|
* in all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
|
|
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
|
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
|
|
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
|
|
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
|
|
* OTHER DEALINGS IN THE SOFTWARE.
|
|
*/
|
|
|
|
#include "performance_counters_linux.h"
|
|
|
|
namespace OCLRT {
|
|
|
|
std::unique_ptr<PerformanceCounters> PerformanceCounters::create(OSTime *osTime) {
|
|
return std::unique_ptr<PerformanceCounters>(new PerformanceCountersLinux(osTime));
|
|
}
|
|
PerformanceCountersLinux::PerformanceCountersLinux(OSTime *osTime) : PerformanceCounters(osTime) {
|
|
mdLibHandle = nullptr;
|
|
perfmonLoadConfigFunc = nullptr;
|
|
}
|
|
|
|
PerformanceCountersLinux::~PerformanceCountersLinux() {
|
|
if (pAutoSamplingInterface) {
|
|
autoSamplingStopFunc(&pAutoSamplingInterface);
|
|
pAutoSamplingInterface = nullptr;
|
|
available = false;
|
|
}
|
|
|
|
if (mdLibHandle) {
|
|
dlcloseFunc(mdLibHandle);
|
|
mdLibHandle = nullptr;
|
|
}
|
|
}
|
|
|
|
void PerformanceCountersLinux::initialize(const HardwareInfo *hwInfo) {
|
|
PerformanceCounters::initialize(hwInfo);
|
|
mdLibHandle = dlopenFunc("libmd.so", RTLD_LAZY | RTLD_LOCAL);
|
|
if (mdLibHandle) {
|
|
perfmonLoadConfigFunc = reinterpret_cast<perfmonLoadConfig_t>(dlsymFunc(mdLibHandle, "drm_intel_perfmon_load_config"));
|
|
}
|
|
setPlatformInfoFunc(hwInfo->pPlatform->eProductFamily, (void *)(hwInfo->pSkuTable));
|
|
}
|
|
|
|
void PerformanceCountersLinux::enableImpl() {
|
|
if (mdLibHandle && perfmonLoadConfigFunc) {
|
|
PerformanceCounters::enableImpl();
|
|
}
|
|
}
|
|
|
|
bool PerformanceCountersLinux::verifyPmRegsCfg(InstrPmRegsCfg *pCfg, uint32_t *pLastPmRegsCfgHandle, bool *pLastPmRegsCfgPending) {
|
|
if (perfmonLoadConfigFunc == nullptr) {
|
|
return false;
|
|
}
|
|
if (PerformanceCounters::verifyPmRegsCfg(pCfg, pLastPmRegsCfgHandle, pLastPmRegsCfgPending)) {
|
|
return getPerfmonConfig(pCfg);
|
|
}
|
|
return false;
|
|
}
|
|
bool PerformanceCountersLinux::getPerfmonConfig(InstrPmRegsCfg *pCfg) {
|
|
unsigned int oaCfgHandle = pCfg->OaCounters.Handle;
|
|
unsigned int gpCfgHandle = pCfg->GpCounters.Handle;
|
|
int fd = osInterface->get()->getDrm()->getFileDescriptor();
|
|
if (perfmonLoadConfigFunc(fd, nullptr, &oaCfgHandle, &gpCfgHandle) != 0) {
|
|
return false;
|
|
}
|
|
if (pCfg->OaCounters.Handle != 0 && oaCfgHandle != pCfg->OaCounters.Handle) {
|
|
return false;
|
|
}
|
|
if (pCfg->GpCounters.Handle != 0 && gpCfgHandle != pCfg->GpCounters.Handle) {
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
} // namespace OCLRT
|