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579 lines
16 KiB
579 lines
16 KiB
/* |
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* A trivial little dlopen()-based wrapper library for the |
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* NVIDIA NVML library, to allow runtime discovery of NVML on an |
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* arbitrary system. This is all very hackish and simple-minded, but |
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* it serves my immediate needs in the short term until NVIDIA provides |
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* a static NVML wrapper library themselves, hopefully in |
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* CUDA 6.5 or maybe sometime shortly after. |
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* |
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* This trivial code is made available under the "new" 3-clause BSD license, |
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* and/or any of the GPL licenses you prefer. |
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* Feel free to use the code and modify as you see fit. |
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* |
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* John E. Stone - john.stone@gmail.com |
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* Tanguy Pruvot - tpruvot@github |
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* |
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*/ |
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|
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#ifdef USE_WRAPNVML |
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|
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <string.h> |
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#ifndef _MSC_VER |
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#include <libgen.h> |
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#endif |
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|
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#include "miner.h" |
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#include "cuda_runtime.h" |
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#include "nvml.h" |
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extern wrap_nvml_handle *hnvml; |
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extern int device_map[8]; |
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|
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/* |
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* Wrappers to emulate dlopen() on other systems like Windows |
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*/ |
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#if defined(_MSC_VER) || defined(_WIN32) || defined(_WIN64) |
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#include <windows.h> |
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static void *wrap_dlopen(const char *filename) { |
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HMODULE h = LoadLibrary(filename); |
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if (!h && opt_debug) { |
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applog(LOG_DEBUG, "dlopen(%d): failed to load %s", |
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GetLastError(), filename); |
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} |
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return (void*)h; |
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} |
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static void *wrap_dlsym(void *h, const char *sym) { |
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return (void *)GetProcAddress((HINSTANCE)h, sym); |
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} |
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static int wrap_dlclose(void *h) { |
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/* FreeLibrary returns nonzero on success */ |
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return (!FreeLibrary((HINSTANCE)h)); |
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} |
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#else |
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/* assume we can use dlopen itself... */ |
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#include <dlfcn.h> |
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#include <errno.h> |
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static void *wrap_dlopen(const char *filename) { |
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void *h = dlopen(filename, RTLD_NOW); |
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if (h == NULL && opt_debug) { |
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applog(LOG_DEBUG, "dlopen(%d): failed to load %s", |
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errno, filename); |
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} |
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return (void*)h; |
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} |
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|
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static void *wrap_dlsym(void *h, const char *sym) { |
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return dlsym(h, sym); |
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} |
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static int wrap_dlclose(void *h) { |
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return dlclose(h); |
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} |
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#endif |
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|
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#ifdef __cplusplus |
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extern "C" { |
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#endif |
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|
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wrap_nvml_handle * wrap_nvml_create() |
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{ |
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int i=0; |
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wrap_nvml_handle *nvmlh = NULL; |
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|
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#if defined(WIN32) |
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/* Windows (do not use slashes, else ExpandEnvironmentStrings will mix them) */ |
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#define libnvidia_ml "%PROGRAMFILES%\\NVIDIA Corporation\\NVSMI\\nvml.dll" |
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#else |
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/* linux assumed */ |
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#define libnvidia_ml "libnvidia-ml.so" |
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#endif |
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char tmp[512]; |
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#ifdef WIN32 |
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ExpandEnvironmentStrings(libnvidia_ml, tmp, sizeof(tmp)); |
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#else |
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strcpy(tmp, libnvidia_ml); |
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#endif |
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void *nvml_dll = wrap_dlopen(tmp); |
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if (nvml_dll == NULL) { |
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#ifdef WIN32 |
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nvml_dll = wrap_dlopen("nvml.dll"); |
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if (nvml_dll == NULL) |
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#endif |
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return NULL; |
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} |
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nvmlh = (wrap_nvml_handle *) calloc(1, sizeof(wrap_nvml_handle)); |
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|
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nvmlh->nvml_dll = nvml_dll; |
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nvmlh->nvmlInit = (wrap_nvmlReturn_t (*)(void)) |
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wrap_dlsym(nvmlh->nvml_dll, "nvmlInit_v2"); |
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if (!nvmlh->nvmlInit) { |
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nvmlh->nvmlInit = (wrap_nvmlReturn_t (*)(void)) |
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wrap_dlsym(nvmlh->nvml_dll, "nvmlInit"); |
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} |
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nvmlh->nvmlDeviceGetCount = (wrap_nvmlReturn_t (*)(int *)) |
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wrap_dlsym(nvmlh->nvml_dll, "nvmlDeviceGetCount_v2"); |
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nvmlh->nvmlDeviceGetHandleByIndex = (wrap_nvmlReturn_t (*)(int, wrap_nvmlDevice_t *)) |
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wrap_dlsym(nvmlh->nvml_dll, "nvmlDeviceGetHandleByIndex_v2"); |
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nvmlh->nvmlDeviceGetClockInfo = (wrap_nvmlReturn_t (*)(wrap_nvmlDevice_t, wrap_nvmlClockType_t, unsigned int *)) |
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wrap_dlsym(nvmlh->nvml_dll, "nvmlDeviceGetClockInfo"); |
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nvmlh->nvmlDeviceGetPciInfo = (wrap_nvmlReturn_t (*)(wrap_nvmlDevice_t, wrap_nvmlPciInfo_t *)) |
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wrap_dlsym(nvmlh->nvml_dll, "nvmlDeviceGetPciInfo"); |
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nvmlh->nvmlDeviceGetName = (wrap_nvmlReturn_t (*)(wrap_nvmlDevice_t, char *, int)) |
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wrap_dlsym(nvmlh->nvml_dll, "nvmlDeviceGetName"); |
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nvmlh->nvmlDeviceGetTemperature = (wrap_nvmlReturn_t (*)(wrap_nvmlDevice_t, int, unsigned int *)) |
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wrap_dlsym(nvmlh->nvml_dll, "nvmlDeviceGetTemperature"); |
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nvmlh->nvmlDeviceGetFanSpeed = (wrap_nvmlReturn_t (*)(wrap_nvmlDevice_t, unsigned int *)) |
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wrap_dlsym(nvmlh->nvml_dll, "nvmlDeviceGetFanSpeed"); |
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nvmlh->nvmlDeviceGetPerformanceState = (wrap_nvmlReturn_t (*)(wrap_nvmlDevice_t, int *)) |
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wrap_dlsym(nvmlh->nvml_dll, "nvmlDeviceGetPowerUsage"); |
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nvmlh->nvmlDeviceGetPowerUsage = (wrap_nvmlReturn_t (*)(wrap_nvmlDevice_t, unsigned int *)) |
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wrap_dlsym(nvmlh->nvml_dll, "nvmlDeviceGetPowerUsage"); |
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nvmlh->nvmlErrorString = (char* (*)(wrap_nvmlReturn_t)) |
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wrap_dlsym(nvmlh->nvml_dll, "nvmlErrorString"); |
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nvmlh->nvmlShutdown = (wrap_nvmlReturn_t (*)()) |
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wrap_dlsym(nvmlh->nvml_dll, "nvmlShutdown"); |
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|
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if (nvmlh->nvmlInit == NULL || |
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nvmlh->nvmlShutdown == NULL || |
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nvmlh->nvmlDeviceGetCount == NULL || |
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nvmlh->nvmlDeviceGetHandleByIndex == NULL || |
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nvmlh->nvmlDeviceGetPciInfo == NULL || |
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nvmlh->nvmlDeviceGetName == NULL || |
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nvmlh->nvmlDeviceGetTemperature == NULL || |
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nvmlh->nvmlDeviceGetFanSpeed == NULL) |
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{ |
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if (opt_debug) |
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applog(LOG_DEBUG, "Failed to obtain required NVML function pointers"); |
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wrap_dlclose(nvmlh->nvml_dll); |
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free(nvmlh); |
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return NULL; |
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} |
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nvmlh->nvmlInit(); |
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nvmlh->nvmlDeviceGetCount(&nvmlh->nvml_gpucount); |
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|
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/* Query CUDA device count, in case it doesn't agree with NVML, since */ |
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/* CUDA will only report GPUs with compute capability greater than 1.0 */ |
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if (cudaGetDeviceCount(&nvmlh->cuda_gpucount) != cudaSuccess) { |
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if (opt_debug) |
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applog(LOG_DEBUG, "Failed to query CUDA device count!"); |
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wrap_dlclose(nvmlh->nvml_dll); |
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free(nvmlh); |
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return NULL; |
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} |
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nvmlh->devs = (wrap_nvmlDevice_t *) calloc(nvmlh->nvml_gpucount, sizeof(wrap_nvmlDevice_t)); |
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nvmlh->nvml_pci_domain_id = (unsigned int*) calloc(nvmlh->nvml_gpucount, sizeof(unsigned int)); |
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nvmlh->nvml_pci_bus_id = (unsigned int*) calloc(nvmlh->nvml_gpucount, sizeof(unsigned int)); |
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nvmlh->nvml_pci_device_id = (unsigned int*) calloc(nvmlh->nvml_gpucount, sizeof(unsigned int)); |
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nvmlh->nvml_cuda_device_id = (int*) calloc(nvmlh->nvml_gpucount, sizeof(int)); |
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nvmlh->cuda_nvml_device_id = (int*) calloc(nvmlh->cuda_gpucount, sizeof(int)); |
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|
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/* Obtain GPU device handles we're going to need repeatedly... */ |
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for (i=0; i<nvmlh->nvml_gpucount; i++) { |
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nvmlh->nvmlDeviceGetHandleByIndex(i, &nvmlh->devs[i]); |
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} |
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/* Query PCI info for each NVML device, and build table for mapping of */ |
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/* CUDA device IDs to NVML device IDs and vice versa */ |
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for (i=0; i<nvmlh->nvml_gpucount; i++) { |
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wrap_nvmlPciInfo_t pciinfo; |
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nvmlh->nvmlDeviceGetPciInfo(nvmlh->devs[i], &pciinfo); |
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nvmlh->nvml_pci_domain_id[i] = pciinfo.domain; |
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nvmlh->nvml_pci_bus_id[i] = pciinfo.bus; |
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nvmlh->nvml_pci_device_id[i] = pciinfo.device; |
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} |
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/* build mapping of NVML device IDs to CUDA IDs */ |
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for (i=0; i<nvmlh->nvml_gpucount; i++) { |
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nvmlh->nvml_cuda_device_id[i] = -1; |
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} |
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for (i=0; i<nvmlh->cuda_gpucount; i++) { |
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cudaDeviceProp props; |
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nvmlh->cuda_nvml_device_id[i] = -1; |
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if (cudaGetDeviceProperties(&props, i) == cudaSuccess) { |
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int j; |
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for (j=0; j<nvmlh->nvml_gpucount; j++) { |
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if ((nvmlh->nvml_pci_domain_id[j] == (uint32_t) props.pciDomainID) && |
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(nvmlh->nvml_pci_bus_id[j] == (uint32_t) props.pciBusID) && |
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(nvmlh->nvml_pci_device_id[j] == (uint32_t) props.pciDeviceID)) { |
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if (opt_debug) |
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applog(LOG_DEBUG, "CUDA GPU[%d] matches NVML GPU[%d]", i, j); |
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nvmlh->nvml_cuda_device_id[j] = i; |
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nvmlh->cuda_nvml_device_id[i] = j; |
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} |
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} |
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} |
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} |
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return nvmlh; |
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} |
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int wrap_nvml_get_gpucount(wrap_nvml_handle *nvmlh, int *gpucount) |
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{ |
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*gpucount = nvmlh->nvml_gpucount; |
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return 0; |
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} |
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int wrap_cuda_get_gpucount(wrap_nvml_handle *nvmlh, int *gpucount) |
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{ |
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*gpucount = nvmlh->cuda_gpucount; |
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return 0; |
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} |
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int wrap_nvml_get_gpu_name(wrap_nvml_handle *nvmlh, int cudaindex, char *namebuf, int bufsize) |
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{ |
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int gpuindex = nvmlh->cuda_nvml_device_id[cudaindex]; |
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if (gpuindex < 0 || gpuindex >= nvmlh->nvml_gpucount) |
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return -1; |
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if (nvmlh->nvmlDeviceGetName(nvmlh->devs[gpuindex], namebuf, bufsize) != WRAPNVML_SUCCESS) |
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return -1; |
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return 0; |
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} |
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int wrap_nvml_get_tempC(wrap_nvml_handle *nvmlh, int cudaindex, unsigned int *tempC) |
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{ |
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wrap_nvmlReturn_t rc; |
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int gpuindex = nvmlh->cuda_nvml_device_id[cudaindex]; |
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if (gpuindex < 0 || gpuindex >= nvmlh->nvml_gpucount) |
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return -1; |
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rc = nvmlh->nvmlDeviceGetTemperature(nvmlh->devs[gpuindex], 0u /* NVML_TEMPERATURE_GPU */, tempC); |
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if (rc != WRAPNVML_SUCCESS) { |
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return -1; |
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} |
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return 0; |
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} |
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int wrap_nvml_get_fanpcnt(wrap_nvml_handle *nvmlh, int cudaindex, unsigned int *fanpcnt) |
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{ |
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wrap_nvmlReturn_t rc; |
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int gpuindex = nvmlh->cuda_nvml_device_id[cudaindex]; |
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if (gpuindex < 0 || gpuindex >= nvmlh->nvml_gpucount) |
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return -1; |
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rc = nvmlh->nvmlDeviceGetFanSpeed(nvmlh->devs[gpuindex], fanpcnt); |
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if (rc != WRAPNVML_SUCCESS) { |
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return -1; |
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} |
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return 0; |
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} |
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/* Not Supported on 750Ti 340.23 */ |
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int wrap_nvml_get_clock(wrap_nvml_handle *nvmlh, int cudaindex, int type, unsigned int *freq) |
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{ |
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int gpuindex = nvmlh->cuda_nvml_device_id[cudaindex]; |
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if (gpuindex < 0 || gpuindex >= nvmlh->nvml_gpucount) |
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return -1; |
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wrap_nvmlReturn_t res = nvmlh->nvmlDeviceGetClockInfo(nvmlh->devs[gpuindex], (wrap_nvmlClockType_t) type, freq); |
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if (res != WRAPNVML_SUCCESS) { |
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if (opt_debug) |
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applog(LOG_DEBUG, "nvmlDeviceGetClockInfo: %s", nvmlh->nvmlErrorString(res)); |
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return -1; |
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} |
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return 0; |
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} |
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/* Not Supported on 750Ti 340.23 */ |
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int wrap_nvml_get_power_usage(wrap_nvml_handle *nvmlh, int cudaindex, unsigned int *milliwatts) |
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{ |
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int gpuindex = nvmlh->cuda_nvml_device_id[cudaindex]; |
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if (gpuindex < 0 || gpuindex >= nvmlh->nvml_gpucount) |
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return -1; |
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wrap_nvmlReturn_t res = nvmlh->nvmlDeviceGetPowerUsage(nvmlh->devs[gpuindex], milliwatts); |
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if (res != WRAPNVML_SUCCESS) { |
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if (opt_debug) |
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applog(LOG_DEBUG, "nvmlDeviceGetPowerUsage: %s", nvmlh->nvmlErrorString(res)); |
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return -1; |
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} |
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return 0; |
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} |
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/* Not Supported on 750Ti 340.23 */ |
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int wrap_nvml_get_pstate(wrap_nvml_handle *nvmlh, int cudaindex, int *pstate) |
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{ |
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int gpuindex = nvmlh->cuda_nvml_device_id[cudaindex]; |
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if (gpuindex < 0 || gpuindex >= nvmlh->nvml_gpucount) |
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return -1; |
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wrap_nvmlReturn_t res = nvmlh->nvmlDeviceGetPerformanceState(nvmlh->devs[gpuindex], pstate); |
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if (res != WRAPNVML_SUCCESS) { |
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if (opt_debug) |
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applog(LOG_DEBUG, "nvmlDeviceGetPerformanceState: %s", nvmlh->nvmlErrorString(res)); |
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return -1; |
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} |
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return 0; |
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} |
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int wrap_nvml_destroy(wrap_nvml_handle *nvmlh) |
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{ |
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nvmlh->nvmlShutdown(); |
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wrap_dlclose(nvmlh->nvml_dll); |
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free(nvmlh); |
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return 0; |
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} |
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/** |
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* nvapi alternative for windows x86 binaries |
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* nvml api doesn't exists as 32bit dll :/// |
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*/ |
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#ifdef WIN32 |
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#include "nvapi/nvapi_ccminer.h" |
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static NvDisplayHandle hDisplay_a[NVAPI_MAX_PHYSICAL_GPUS * 2] = { 0 }; |
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static NvPhysicalGpuHandle phys[NVAPI_MAX_PHYSICAL_GPUS] = { 0 }; |
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static NvU32 nvapi_dev_cnt = 0; |
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int nvapi_temperature(unsigned int devNum, unsigned int *temperature) |
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{ |
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NvAPI_Status ret; |
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if (devNum >= nvapi_dev_cnt) |
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return -1; |
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NV_GPU_THERMAL_SETTINGS thermal; |
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thermal.version = NV_GPU_THERMAL_SETTINGS_VER; |
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ret = NvAPI_GPU_GetThermalSettings(phys[devNum], 0, &thermal); |
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if (ret != NVAPI_OK) { |
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NvAPI_ShortString string; |
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NvAPI_GetErrorMessage(ret, string); |
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if (opt_debug) |
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applog(LOG_DEBUG, "NVAPI NvAPI_GPU_GetThermalSettings: %s", string); |
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return -1; |
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} |
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(*temperature) = (unsigned int) thermal.sensor[0].currentTemp; |
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return 0; |
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} |
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int nvapi_fanspeed(unsigned int devNum, unsigned int *speed) |
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{ |
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NvAPI_Status ret; |
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if (devNum >= nvapi_dev_cnt) |
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return -1; |
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NvU32 fanspeed = 0; |
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ret = NvAPI_GPU_GetTachReading(phys[devNum], &fanspeed); |
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if (ret != NVAPI_OK) { |
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NvAPI_ShortString string; |
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NvAPI_GetErrorMessage(ret, string); |
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if (opt_debug) |
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applog(LOG_DEBUG, "NVAPI NvAPI_GPU_GetTachReading: %s", string); |
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return -1; |
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} |
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(*speed) = (unsigned int) fanspeed; |
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return 0; |
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} |
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int wrap_nvapi_init() |
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{ |
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NvAPI_Status ret = NvAPI_Initialize(); |
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if (!ret == NVAPI_OK){ |
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NvAPI_ShortString string; |
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NvAPI_GetErrorMessage(ret, string); |
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if (opt_debug) |
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applog(LOG_DEBUG, "NVAPI NvAPI_Initialize: %s", string); |
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return -1; |
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} |
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ret = NvAPI_EnumPhysicalGPUs(phys, &nvapi_dev_cnt); |
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if (ret != NVAPI_OK) { |
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NvAPI_ShortString string; |
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NvAPI_GetErrorMessage(ret, string); |
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if (opt_debug) |
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applog(LOG_DEBUG, "NVAPI NvAPI_EnumPhysicalGPUs: %s", string); |
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return -1; |
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} |
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|
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#if 0 |
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NvAPI_ShortString ver; |
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NvAPI_GetInterfaceVersionString(ver); |
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applog(LOG_DEBUG, "NVAPI Version: %s", ver); |
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|
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NvAPI_ShortString name; |
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ret = NvAPI_GPU_GetFullName(phys[devNum], name); |
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if (ret != NVAPI_OK){ |
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NvAPI_ShortString string; |
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NvAPI_GetErrorMessage(ret, string); |
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applog(LOG_DEBUG, "NVAPI NvAPI_GPU_GetFullName: %s", string); |
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} |
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#endif |
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return 0; |
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} |
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#endif |
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|
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/* api functions */ |
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static unsigned int fan_speed_max = 2000; /* assume 2000 rpm as default, auto-updated */ |
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|
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unsigned int gpu_fanpercent(struct cgpu_info *gpu) |
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{ |
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unsigned int pct = 0; |
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if (hnvml) { |
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wrap_nvml_get_fanpcnt(hnvml, device_map[gpu->thr_id], &pct); |
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} |
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#ifdef WIN32 |
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else { |
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unsigned int rpm = 0; |
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nvapi_fanspeed(device_map[gpu->thr_id], &rpm); |
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pct = (rpm * 100) / fan_speed_max; |
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if (pct > 100) { |
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pct = 100; |
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fan_speed_max = rpm; |
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} |
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} |
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#endif |
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return pct; |
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} |
|
|
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double gpu_temp(struct cgpu_info *gpu) |
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{ |
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double tc = 0.0; |
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unsigned int tmp = 0; |
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if (hnvml) { |
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wrap_nvml_get_tempC(hnvml, device_map[gpu->thr_id], &tmp); |
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tc = (double) tmp; |
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} |
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#ifdef WIN32 |
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else { |
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nvapi_temperature(device_map[gpu->thr_id], &tmp); |
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tc = (double)tmp; |
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} |
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#endif |
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return tc; |
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} |
|
|
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unsigned int gpu_clock(struct cgpu_info *gpu) |
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{ |
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unsigned int freq = 0; |
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if (hnvml) { |
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wrap_nvml_get_clock(hnvml, device_map[gpu->thr_id], NVML_CLOCK_SM, &freq); |
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} |
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return freq; |
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} |
|
|
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unsigned int gpu_power(struct cgpu_info *gpu) |
|
{ |
|
unsigned int mw = 0; |
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if (hnvml) { |
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wrap_nvml_get_power_usage(hnvml, device_map[gpu->thr_id], &mw); |
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} |
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return mw; |
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} |
|
|
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int gpu_pstate(struct cgpu_info *gpu) |
|
{ |
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int pstate = 0; |
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if (hnvml) { |
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wrap_nvml_get_pstate(hnvml, device_map[gpu->thr_id], &pstate); |
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} |
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return pstate; |
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} |
|
|
|
#if defined(__cplusplus) |
|
} |
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#endif |
|
|
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#endif /* USE_WRAPNVML */ |
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|
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/* strings /usr/lib/nvidia-340/libnvidia-ml.so | grep nvmlDeviceGet | grep -v : | sort | uniq |
|
|
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nvmlDeviceGetAccountingBufferSize |
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nvmlDeviceGetAccountingMode |
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nvmlDeviceGetAccountingPids |
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nvmlDeviceGetAccountingStats |
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nvmlDeviceGetAPIRestriction |
|
nvmlDeviceGetApplicationsClock |
|
nvmlDeviceGetAutoBoostedClocksEnabled |
|
nvmlDeviceGetBAR1MemoryInfo |
|
nvmlDeviceGetBoardId |
|
nvmlDeviceGetBrand |
|
nvmlDeviceGetBridgeChipInfo |
|
* nvmlDeviceGetClockInfo |
|
nvmlDeviceGetComputeMode |
|
nvmlDeviceGetComputeRunningProcesses |
|
nvmlDeviceGetCount |
|
nvmlDeviceGetCount_v2 |
|
nvmlDeviceGetCpuAffinity |
|
nvmlDeviceGetCurrentClocksThrottleReasons |
|
nvmlDeviceGetCurrPcieLinkGeneration |
|
nvmlDeviceGetCurrPcieLinkWidth |
|
nvmlDeviceGetDecoderUtilization |
|
nvmlDeviceGetDefaultApplicationsClock |
|
nvmlDeviceGetDetailedEccErrors |
|
nvmlDeviceGetDisplayActive |
|
nvmlDeviceGetDisplayMode |
|
nvmlDeviceGetDriverModel |
|
nvmlDeviceGetEccMode |
|
nvmlDeviceGetEncoderUtilization |
|
nvmlDeviceGetEnforcedPowerLimit |
|
* nvmlDeviceGetFanSpeed |
|
nvmlDeviceGetGpuOperationMode |
|
nvmlDeviceGetHandleByIndex |
|
* nvmlDeviceGetHandleByIndex_v2 |
|
nvmlDeviceGetHandleByPciBusId |
|
nvmlDeviceGetHandleByPciBusId_v2 |
|
nvmlDeviceGetHandleBySerial |
|
nvmlDeviceGetHandleByUUID |
|
nvmlDeviceGetIndex |
|
nvmlDeviceGetInforomConfigurationChecksum |
|
nvmlDeviceGetInforomImageVersion |
|
nvmlDeviceGetInforomVersion |
|
nvmlDeviceGetMaxClockInfo |
|
nvmlDeviceGetMaxPcieLinkGeneration |
|
nvmlDeviceGetMaxPcieLinkWidth |
|
nvmlDeviceGetMemoryErrorCounter |
|
nvmlDeviceGetMemoryInfo |
|
nvmlDeviceGetMinorNumber |
|
nvmlDeviceGetMultiGpuBoard |
|
nvmlDeviceGetName |
|
* nvmlDeviceGetPciInfo |
|
nvmlDeviceGetPciInfo_v2 |
|
* nvmlDeviceGetPerformanceState |
|
nvmlDeviceGetPersistenceMode |
|
nvmlDeviceGetPowerManagementDefaultLimit |
|
nvmlDeviceGetPowerManagementLimit |
|
nvmlDeviceGetPowerManagementLimitConstraints |
|
nvmlDeviceGetPowerManagementMode |
|
nvmlDeviceGetPowerState (deprecated) |
|
* nvmlDeviceGetPowerUsage |
|
nvmlDeviceGetRetiredPages |
|
nvmlDeviceGetRetiredPagesPendingStatus |
|
nvmlDeviceGetSamples |
|
nvmlDeviceGetSerial |
|
nvmlDeviceGetSupportedClocksThrottleReasons |
|
nvmlDeviceGetSupportedEventTypes |
|
nvmlDeviceGetSupportedGraphicsClocks |
|
nvmlDeviceGetSupportedMemoryClocks |
|
nvmlDeviceGetTemperature |
|
nvmlDeviceGetTemperatureThreshold |
|
nvmlDeviceGetTotalEccErrors |
|
nvmlDeviceGetUtilizationRates |
|
nvmlDeviceGetUUID |
|
nvmlDeviceGetVbiosVersion |
|
nvmlDeviceGetViolationStatus |
|
|
|
*/
|
|
|