moosecrap/evga-icx
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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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2
README.md
View File

@ -41,7 +41,7 @@ Note that when controlling fans directly through iCX3 they will fall offline fro
```text
Available options:
--i2c N : Only probe I2C bus N instead of all (may help with stuttering with --watch)
--i2c N : Only probe I2C bus N instead of all (may help with stuttering or freezing when probing I2C devices)
--gpu N : Control only GPU N instead of all supported cards
--fan SPEED : Set all fans at once to SPEED (see below)
--fanN SPEED : Set fan N (0-3) to SPEED

1
evga-card.h
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@ -91,6 +91,7 @@ struct card_info {
int i2c_fd; /* File descriptor for the i2c device file, for re-use */
int product_id; /* EVGA internal product ID, as reported by the iCX3 controller */
unsigned int bar0; /* Address of the card's PCI base address register */
void *nvml_device; /* Pointer to nvmlDevice_t for use in NVML calls */
};
struct gpu_pci_info {

4
evga-icx.c
View File

@ -24,7 +24,7 @@ char *header_start = "";
char *header_end = "";
static const char helpstring[] = "Available options:\n"
"--i2c N : Only probe I2C bus N instead of all (may help with stuttering with --watch)\n"
"--i2c N : Only probe I2C bus N instead of all (may help with stuttering or freezing when probing I2C devices)\n"
"--gpu N : Control only GPU N instead of all supported cards\n"
"--fan SPEED : Set all fans at once to SPEED (see below)\n"
"--fanN SPEED : Set fan N (0-3) to SPEED\n"
@ -163,6 +163,8 @@ int main (int argc, char **argv)
/* NVML init */
#ifdef USE_NVML
init_nvml();
for (int i = 0; i < gpu_count; i++)
get_nvml_handle(&gpus[i]);
#endif
/* PCI init for VRAM/hotspot temps */

24
nvidia-sensors.c
View File

@ -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;

2
nvidia-sensors.h
View File

@ -22,7 +22,7 @@ static struct clock_reason clock_reason_names[] =
};
void init_nvml();
int get_nvml_handle(nvmlDevice_t *device, struct card_info *card);
void get_nvml_handle(struct card_info *card);
void print_nvml_clock_reason(int compact, struct card_info *card);
unsigned int get_nvml_temp(struct card_info *card);
unsigned long long get_nvml_clock_reasons(struct card_info *card);