255 lines
6.6 KiB
C
255 lines
6.6 KiB
C
#include <unistd.h>
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#include <dirent.h>
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#include <string.h>
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#include <stdio.h>
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#include <fcntl.h>
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#include <stdlib.h>
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#ifdef USE_NVML
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#include "nvidia-sensors.h"
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#endif
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#ifdef USE_LIBPCI
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#include "gddr6.h"
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#endif
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#include "icx3.h"
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#include "evga-card.h"
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#define MAX_GPUS 16
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static const char helpstring[] = "Available options:\n"
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"--gpu N : Control only GPU N instead of all supported cards\n"
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"--fan SPEED : Set all fans at once to SPEED (see below)\n"
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"--fanN SPEED : Set fan N (0-3) to SPEED\n"
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" SPEED may be one of the following:\n"
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" 'auto' to return the fan to its default control mode\n"
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" N to set the fan to that manual % speed\n"
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" [+/-]N to set that fan to an RPM offset from the GPU-controlled speed\n"
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"--reset : Reset all fans to their default mode\n"
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"--sensors : Print sensor readings even if setting a fan speed \n"
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"--compact : Print sensor reading in a compact one-line per card format\n"
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"--watch N : Keep printing output every N seconds\n"
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"--overwrite : Overwrite previously displayed info with --watch and --compact instead of continuously logging\n";
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void print_gpu_info(int gpu_num, struct card_info gpus[], int compact);
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int main (int argc, char **argv)
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{
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struct card_info gpus[MAX_GPUS];
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int gpu_count;
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int print_info = 0;
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int compact = 0;
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int gpu_num = -1; /* Card to control */
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int overwrite = 0;
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unsigned int watch = 0;
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char *fan_speed[ICX3_MAX_FANS] = {NULL};
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/* Input parsing */
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for (int i = 1; i < argc; i++){
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if (strcmp(argv[i], "--gpu") == 0) {
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i++;
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if (i < argc) {
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gpu_num = atoi(argv[i]);
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} else {
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printf(helpstring);
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return -1;
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}
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} else if (strcmp(argv[i], "--fan") == 0) {
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i++;
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if (i < argc) {
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for (int j = 0; j < ICX3_MAX_FANS; j++)
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fan_speed[j] = argv[i];
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} else {
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printf(helpstring);
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return -1;
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}
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} else if (strncmp(argv[i], "--fan", 5) == 0) {
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int fan_num = atoi(argv[i]+5);
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i++;
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if (i < argc) {
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if (fan_num <= ICX3_MAX_FANS)
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fan_speed[fan_num] = argv[i];
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} else {
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printf(helpstring);
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return -1;
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}
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} else if (strcmp(argv[i], "--reset") == 0) {
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for (int j = 0; j < ICX3_MAX_FANS; j++)
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fan_speed[j] = "auto";
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} else if (strcmp(argv[i], "--sensors") == 0) {
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print_info = 1;
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} else if (strcmp(argv[i], "--compact") == 0) {
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compact = 1;
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} else if (strcmp(argv[i], "--watch") == 0) {
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i++;
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if (i < argc) {
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watch = atoi(argv[i]);
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} else {
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printf(helpstring);
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return -1;
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}
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} else if (strcmp(argv[i], "--overwrite") == 0) {
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overwrite = 1;
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} else {
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printf(helpstring);
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return 0;
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}
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}
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if (print_info == 0) {
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/* Check for no fan commands given, so display info by default */
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print_info = 1;
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for (int i = 0; i < ICX3_MAX_FANS; i++) {
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if (fan_speed[i] != NULL)
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print_info = 0;
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}
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}
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/* Don't use overwrite mode unless set to compact (we can't tell how many lines the output will be per GPU) */
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if (overwrite && !compact)
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overwrite = 0;
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gpu_count = find_evga_gpu_i2cs(gpus, MAX_GPUS);
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if (gpu_count == -1) {
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printf("Error scanning I2C devices\n");
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return -1;
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} else if (gpu_count == 0) {
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printf("No supported GPUs found.\nAre you root or do you have udev access to i2c devices?\nDo you need to run `modprobe i2c-dev`?\n");
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return -1;
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}
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if (gpu_num > gpu_count - 1) {
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printf("Invalid GPU number specified (%d, max %d)\n", gpu_num, gpu_count - 1);
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return -1;
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}
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/* execute fan commands */
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if (gpu_num == -1) {
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for (int i = 0; i < gpu_count; i++){
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for (int j = 0; j < ICX3_MAX_FANS; j++) {
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if (fan_speed[j] != NULL)
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set_fan(j, fan_speed[j], &gpus[i]);
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}
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}
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} else if (gpu_num <= gpu_count - 1) {
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for (int j = 0; j < ICX3_MAX_FANS; j++) {
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if (fan_speed[j] != NULL)
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set_fan(gpu_num, fan_speed[j], &gpus[gpu_num]);
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}
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}
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/* NVML init */
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#ifdef USE_NVML
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init_nvml();
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#endif
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/* PCI init for VRAM/hotspot temps */
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#ifdef USE_LIBPCI
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for (int i = 0; i < gpu_count; i++)
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init_gddr6(&gpus[i]);
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#endif
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/* print sensor info */
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if (print_info) {
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do {
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printf("\x1b[K"); /* Clear current console line (really just for overwrite mode) */
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if (gpu_num == -1) {
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/* No GPU specified on command line, loop over all supported GPUs */
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for (int i = 0; i < gpu_count; i++){
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if (i > 0)
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printf("\n");
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print_gpu_info(i, &gpus[i], compact);
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}
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} else if (gpu_num <= gpu_count - 1) {
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print_gpu_info(gpu_num, &gpus[gpu_num], compact);
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}
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if (!overwrite)
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printf("\n"); /* Print line break at the end for continuous output */
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if (overwrite && compact) {
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printf("\x1b[1G"); /* Move cursor back to column 1 */
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if (gpu_count > 1)
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printf("\x1b[%dA", gpu_count-1); /* Move cursor back up to the top of gpu list */
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}
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fflush(stdout);
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sleep(watch);
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} while (watch > 0);
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}
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#ifdef USE_NVML
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nvmlShutdown();
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#endif
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}
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void print_gpu_info(int gpu_num, struct card_info *gpu, int compact) {
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if (compact) {
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/* One line per GPU */
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printf("#%d ", gpu_num);
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print_icx3_fans_oneline(gpu);
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printf(" GPU");
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#ifdef USE_NVML
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printf(" %3d", get_nvml_temp(gpu));
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#endif
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float icx_temp_sensors[ICX3_NUM_TEMP_SENSORS] = {};
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get_temp_sensors(icx_temp_sensors, gpu);
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for (int i = 0; i < ICX3_NUM_TEMP_SENSORS; i++) {
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if (i > 0 && strncmp(icx3_temp_sensor_names[i], icx3_temp_sensor_names[i-1], 3))
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printf(" %.3s", icx3_temp_sensor_names[i]);
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#ifdef USE_LIBPCI
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if (strncmp(icx3_temp_sensor_names[i], "MEM1", 4) == 0)
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printf(" %3.0f", get_vram_temp(gpu)); /* Print the VRAM temp before the rest of the memory sensors */
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#endif
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printf(" %3.0f", icx_temp_sensors[i]);
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}
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#ifdef USE_LIBPCI
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printf(" HOT %3.0f", get_hotspot_temp(gpu));
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#endif
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printf("°C ");
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#ifdef USE_NVML
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print_nvml_clock_reason(1, gpu);
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#endif
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} else {
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/* One line per GPU sensor */
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printf("#%d: %s (%s) @ %s\n", gpu_num, gpu->card_name, gpu->i2c_dev_path, gpu->pci_id);
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print_icx3_fans(gpu);
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#ifdef USE_NVML
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printf("GPU1: %+d°C\n", get_nvml_temp(gpu));
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#endif
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float icx_temp_sensors[ICX3_NUM_TEMP_SENSORS] = {};
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get_temp_sensors(icx_temp_sensors, gpu);
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for (int i = 0; i < ICX3_NUM_TEMP_SENSORS; i++) {
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#ifdef USE_LIBPCI
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if (strncmp(icx3_temp_sensor_names[i], "MEM1", 4) == 0)
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printf("VRAM: +%.0f°C\n", get_vram_temp(gpu)); /* Print the VRAM temp before the rest of the memory sensors */
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#endif
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printf("%s: %+.1f°C\n",
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icx3_temp_sensor_names[i],
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icx_temp_sensors[i]);
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}
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#ifdef USE_LIBPCI
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printf("HotSpot: +%.0f°C\n", get_hotspot_temp(gpu));
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#endif
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#ifdef USE_NVML
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print_nvml_clock_reason(0, gpu);
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#endif
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}
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}
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