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Reduced number of NVML function calls

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moosecrap
2025-02-21 10:59:31 -08:00
parent 46eb773820
commit b7d22ed9ac
5 changed files with 16 additions and 17 deletions
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nvidia-sensors.c
+10 -14
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@@ -10,15 +10,14 @@ void init_nvml()
printf("Could not init NVML: %s\n", nvmlErrorString(result));
}
int get_nvml_handle(nvmlDevice_t *device, struct card_info *card)
void get_nvml_handle(struct card_info *card)
{
nvmlReturn_t result;
result = nvmlDeviceGetHandleByPciBusId_v2(card->pci_id, device);
result = nvmlDeviceGetHandleByPciBusId_v2(card->pci_id, card->nvml_device);
if (result != NVML_SUCCESS) {
printf("Failed to get device handle for card at %s: %s\n", card->pci_id, nvmlErrorString(result));
return 0;
printf("Failed to get NVML device handle for card at %s: %s\n", card->pci_id, nvmlErrorString(result));
card->nvml_device = NULL;
}
return 1;
}
void print_nvml_clock_reason(int compact, struct card_info *card)
@@ -52,12 +51,11 @@ void print_nvml_clock_reason(int compact, struct card_info *card)
unsigned int get_nvml_temp(struct card_info *card)
{
nvmlDevice_t nvml_device;
if (!get_nvml_handle(&nvml_device, card))
if (card->nvml_device == NULL)
return 0;
unsigned int temp;
nvmlReturn_t result = nvmlDeviceGetTemperature(nvml_device, NVML_TEMPERATURE_GPU, &temp);
nvmlReturn_t result = nvmlDeviceGetTemperature(*(nvmlDevice_t*)(card->nvml_device), NVML_TEMPERATURE_GPU, &temp);
if (result != NVML_SUCCESS) {
printf("Failed to get temperature for card at %s: %s\n", card->pci_id, nvmlErrorString(result));
return 0;
@@ -67,12 +65,11 @@ unsigned int get_nvml_temp(struct card_info *card)
unsigned long long get_nvml_clock_reasons(struct card_info *card)
{
nvmlDevice_t nvml_device;
if (!get_nvml_handle(&nvml_device, card))
if (card->nvml_device == NULL)
return 0;
unsigned long long reasons;
nvmlReturn_t result = nvmlDeviceGetCurrentClocksEventReasons(nvml_device, &reasons) ;
nvmlReturn_t result = nvmlDeviceGetCurrentClocksEventReasons(*(nvmlDevice_t*)(card->nvml_device), &reasons) ;
if (result != NVML_SUCCESS) {
printf("Failed to get clock reasons for card at %s: %s\n", card->pci_id, nvmlErrorString(result));
return 0;
@@ -83,12 +80,11 @@ unsigned long long get_nvml_clock_reasons(struct card_info *card)
unsigned int get_nvml_mem_util(struct card_info *card)
{
nvmlDevice_t nvml_device;
if (!get_nvml_handle(&nvml_device, card))
if (card->nvml_device == NULL)
return 0;
nvmlUtilization_t util;
nvmlReturn_t result = nvmlDeviceGetUtilizationRates(nvml_device, &util);
nvmlReturn_t result = nvmlDeviceGetUtilizationRates(*(nvmlDevice_t*)(card->nvml_device), &util);
if (result != NVML_SUCCESS) {
printf("Failed to get clock reasons for card at %s: %s\n", card->pci_id, nvmlErrorString(result));
return 0;