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linux: read as many thermal sensors as we can. 

As with OpenBSD.
This commit is contained in:
Alastair Poole 2020-06-16 14:57:09 +01:00
parent 2c0ece6008
commit ab66aa95e8
1 changed files with 11 additions and 14 deletions
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25
src/bin/system/machine.c
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@ -698,12 +698,11 @@ _sensors_thermal_get(Sys_Info *sysinfo)
else
*temperature = INVALID_TEMP;
#elif defined(__linux__)
sensor_t *sensor;
struct dirent *dh;
DIR *dir;
char path[PATH_MAX];
*temperature = INVALID_TEMP;
dir = opendir("/sys/class/thermal");
if (!dir) return;
@ -716,19 +715,17 @@ _sensors_thermal_get(Sys_Info *sysinfo)
char *type = file_contents(path);
if (type)
{
/* This should ensure we get the highest available core temperature */
if ((strstr(type, "_pkg_temp")) ||
(!strncmp(type, "cpu-thermal", 11))) /* RPI4 */
sensors = realloc(sensors, 1 + sysinfo->snsr_count * sizeof(sensor_t *));
sensors[sysinfo->snsr_count++] = sensor = calloc(1, sizeof(sensor_t));
sensor->name = strdup(dh->d_name);
snprintf(path, sizeof(path), "/sys/class/thermal/%s/temp", dh->d_name);
char *value = file_contents(path);
if (!value)
sensor->invalid = true;
else
{
snprintf(path, sizeof(path), "/sys/class/thermal/%s/temp", dh->d_name);
char *value = file_contents(path);
if (value)
{
*temperature = (float)atoi(value) / 1000.0;
free(value);
free(type);
break;
}
sensor->value = (float)atoi(value) / 1000.0;
free(value);
}
free(type);
}