temps: try this

src/bin/main.c

@@ -66,6 +66,13 @@ _test(int all)
 
    printf("Starting testing\n");
    inf = system_info_all_get();
+   int cpu_count = system_cpu_count_get();
+   for (int i = 0; i < cpu_count; i++)
+     {
+        int temp = system_cpu_n_temperature_get(i);
+        if (temp != -1) printf(" cpu %d temp %d C\n", i, temp);
+     }
+
    system_info_all_free(inf);
 
    if (!all) goto out;

src/bin/system/machine.h

@@ -104,6 +104,9 @@ system_cpu_frequency_get(void);
 int
 system_cpu_n_frequency_get(int n);
 
+int
+system_cpu_n_temperature_get(int n);
+
 int
 system_cpu_frequency_min_max_get(int *min, int *max);
 

src/bin/system/machine/cpu.bogox

@@ -279,6 +279,84 @@ system_cpu_usage_get(int *ncpu)
    return system_cpu_usage_delayed_get(ncpu, 1000000);
 }
 
+
+static char _core_temp[128][512];
+static char _hwmon_path[256];
+
+int
+_cpu_n_temperature_read(int n)
+{
+   int temp = -1;
+
+   char *b = file_contents(_core_temp[n]);
+   if (b)
+     {
+        temp = atoi(b) / 1000;
+        free(b);
+     }
+   return temp;
+}
+
+int
+system_cpu_n_temperature_get(int n)
+{
+#if defined(__linux__)
+   static int init = 0;
+   int cpu_count, i;
+
+   if (!init)
+     {
+        char buf[4096];
+        struct dirent *dh;
+        DIR *dir;
+
+        memset(&_core_temp, 0, sizeof(_core_temp));
+        memset(&_hwmon_path, 0, sizeof(_hwmon_path));
+
+        dir = opendir("/sys/class/hwmon");
+        if (!dir)
+          {
+             init = 1;
+             return -1;
+          }
+
+        while ((dh = readdir(dir)) != NULL)
+          {
+             if (dh->d_name[0] == '.') continue;
+             snprintf(buf, sizeof(buf), "/sys/class/hwmon/%s", dh->d_name);
+             char *link = realpath(buf, NULL);
+             if (!link) continue;
+
+             snprintf(buf, sizeof(buf), "%s/name", link);
+             char *b = file_contents(buf);
+             if (b)
+               {
+                  if (!strncmp(b, "coretemp", 8))
+                    snprintf(_hwmon_path, sizeof(_hwmon_path), "%s", link);
+                  free(b);
+               }
+             free(link);
+          }
+
+        closedir(dir);
+        init = 1;
+     }
+
+   if (!_hwmon_path[0]) return -1;
+
+   if (_core_temp[n][0])
+     return _cpu_n_temperature_read(n);
+
+   cpu_count = system_cpu_count_get();
+   i = 1 + ((cpu_count + n) / 2) - (cpu_count / 2);
+
+   snprintf(_core_temp[n], sizeof(_core_temp[n]), "%s/temp%d_input", _hwmon_path, i);
+
+   return _cpu_n_temperature_read(n);
+#endif
+   return -1;
+}
+
 int
 system_cpu_n_frequency_get(int n)
 {