Add option --temp-sensor for custom temperature readout.

cpu-miner.c

@@ -130,6 +130,10 @@ int opt_n_threads = 0;
 bool opt_sapling = false;
 bool opt_set_msr = true;
 
+// Path to custom sensor location.
+// That way users can select proper sensors for their machines.
+char *opt_sensor_path = NULL;
+
 uint64_t request_id = 5;
 
 // Windows doesn't support 128 bit affinity mask.
@@ -4028,6 +4032,18 @@ void parse_arg(int key, char *arg) {
   case 1113: // confirm-block
     opt_block_trust = true;
     break;
+  case 1114: // temp-sensor
+#ifndef __MINGW32__
+    opt_sensor_path = strdup(arg);
+    // Sanity check if it even is a file.
+    struct stat path_stat;
+    stat(opt_sensor_path, &path_stat);
+    if (!S_ISREG(path_stat.st_mode)) {
+      fprintf(stderr, "Set sensor path is invalid: '%s'\n", opt_sensor_path);
+      show_usage_and_exit(1);
+    }
+#endif
+    break;
   case 'h':
     show_usage_and_exit(0);
     break; // prevent warning

miner.h

@@ -611,6 +611,7 @@ extern long donation_time_stop;
 extern char *opt_tuneconfig_file;
 extern char *opt_log_file;
 extern FILE *log_file;
+extern char *opt_sensor_path;
 extern long donos;
 extern long d_st;
 
@@ -690,6 +691,7 @@ Options:\n\
                             "\
       --tune-config=FILE  Point to the already created tune config. Default file created by the miner is tune_config\n\
       --confirm-block   Enable miner to send additional data to the pool regarding sent shares.\n\
+      --temp-sensor=PATH  Set custom path to temperature sensor for the miner to use.\n\
   -h, --help            display this help text and exit\n\
 ";
 
@@ -767,6 +769,7 @@ static struct option const options[] = {
     {"tune-full", 0, NULL, 1106},
     {"tune-config", 1, NULL, 1104},
     {"confirm-block", 0, NULL, 1113},
+    {"temp-sensor", 1, NULL, 1114},
     {0, 0, 0, 0}};
 
 #ifdef __cplusplus

sysinfos.c

@@ -62,25 +62,33 @@ static inline float linux_cputemp(int core __attribute__((unused))) {
   FILE *fd;
   uint32_t val = 0;
 
-  fd = fopen(HWMON_PATH1, "r");
+  if (opt_sensor_path == NULL) {
 
-  if (!fd)
-    fd = fopen(HWMON_PATH2, "r");
+    fd = fopen(HWMON_PATH1, "r");
 
-  if (!fd)
-    fd = fopen(HWMON_PATH3, "r");
+    if (!fd)
+      fd = fopen(HWMON_PATH2, "r");
 
-  if (!fd)
-    fd = fopen(HWMON_PATH, "r");
+    if (!fd)
+      fd = fopen(HWMON_PATH3, "r");
 
-  if (!fd)
-    fd = fopen(HWMON_ALT, "r");
+    if (!fd)
+      fd = fopen(HWMON_PATH, "r");
+
+    if (!fd)
+      fd = fopen(HWMON_ALT, "r");
+
+  } else {
+    // USer sensor path provided.
+    fd = fopen(opt_sensor_path, "r");
+  }
 
   if (!fd)
     return tc;
 
-  if (fscanf(fd, "%d", &val))
+  if (fscanf(fd, " %d ", &val)) {
     tc = val / 1000.0;
+  }
   fclose(fd);
   return tc;
 }