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MangoHud/src/nvml.cpp

80 lines
3.2 KiB
C++

#include <spdlog/spdlog.h>
#include "loaders/loader_nvml.h"
#include "nvidia_info.h"
#include <iostream>
#include "overlay.h"
#include "overlay_params.h"
#include "nvctrl.h"
#include "logging.h"
nvmlReturn_t result;
nvmlDevice_t nvidiaDevice;
nvmlPciInfo_t nvidiaPciInfo;
bool nvmlSuccess = false;
unsigned int nvidiaTemp = 0, nvidiaCoreClock = 0, nvidiaMemClock = 0, nvidiaPowerUsage = 0, nvidiaFanSpeed = 0;
unsigned long long nvml_throttle_reasons;
struct nvmlUtilization_st nvidiaUtilization;
struct nvmlMemory_st nvidiaMemory {};
struct nvmlUnit_st* nvidiaUnit {};
bool checkNVML(const char* pciBusId){
auto& nvml = get_libnvml_loader();
if (nvml.IsLoaded()){
result = nvml.nvmlInit();
if (NVML_SUCCESS != result) {
SPDLOG_ERROR("Nvidia module not loaded");
} else {
nvmlReturn_t ret = NVML_ERROR_UNKNOWN;
if (pciBusId && ((ret = nvml.nvmlDeviceGetHandleByPciBusId(pciBusId, &nvidiaDevice)) != NVML_SUCCESS)) {
SPDLOG_ERROR("Getting device handle by PCI bus ID failed: {}", nvml.nvmlErrorString(ret));
SPDLOG_ERROR("Using index 0.");
}
if (ret != NVML_SUCCESS)
ret = nvml.nvmlDeviceGetHandleByIndex(0, &nvidiaDevice);
if (ret != NVML_SUCCESS)
SPDLOG_ERROR("Getting device handle failed: {}", nvml.nvmlErrorString(ret));
nvmlSuccess = (ret == NVML_SUCCESS);
if (ret == NVML_SUCCESS)
nvml.nvmlDeviceGetPciInfo_v3(nvidiaDevice, &nvidiaPciInfo);
return nvmlSuccess;
}
} else {
SPDLOG_ERROR("Failed to load NVML");
}
return false;
}
bool getNVMLInfo(const struct overlay_params& params){
nvmlReturn_t response;
auto& nvml = get_libnvml_loader();
response = nvml.nvmlDeviceGetUtilizationRates(nvidiaDevice, &nvidiaUtilization);
if (params.enabled[OVERLAY_PARAM_ENABLED_gpu_temp] || logger->is_active())
nvml.nvmlDeviceGetTemperature(nvidiaDevice, NVML_TEMPERATURE_GPU, &nvidiaTemp);
if (params.enabled[OVERLAY_PARAM_ENABLED_vram] || logger->is_active())
nvml.nvmlDeviceGetMemoryInfo(nvidiaDevice, &nvidiaMemory);
if (params.enabled[OVERLAY_PARAM_ENABLED_gpu_core_clock] || logger->is_active())
nvml.nvmlDeviceGetClockInfo(nvidiaDevice, NVML_CLOCK_GRAPHICS, &nvidiaCoreClock);
if (params.enabled[OVERLAY_PARAM_ENABLED_gpu_mem_clock] || logger->is_active())
nvml.nvmlDeviceGetClockInfo(nvidiaDevice, NVML_CLOCK_MEM, &nvidiaMemClock);
if (params.enabled[OVERLAY_PARAM_ENABLED_gpu_power] || logger->is_active())
nvml.nvmlDeviceGetPowerUsage(nvidiaDevice, &nvidiaPowerUsage);
deviceID = nvidiaPciInfo.pciDeviceId >> 16;
if (params.enabled[OVERLAY_PARAM_ENABLED_throttling_status])
nvml.nvmlDeviceGetCurrentClocksThrottleReasons(nvidiaDevice, &nvml_throttle_reasons);
if (params.enabled[OVERLAY_PARAM_ENABLED_gpu_fan] || logger->is_active())
nvml.nvmlDeviceGetFanSpeed(nvidiaDevice, &nvidiaFanSpeed);
if (response == NVML_ERROR_NOT_SUPPORTED) {
if (nvmlSuccess)
SPDLOG_ERROR("nvmlDeviceGetUtilizationRates failed");
nvmlSuccess = false;
}
return nvmlSuccess;
}