sysstat/rd_sensors.c

330 lines
9.3 KiB
C

/*
* rd_sensors.c: Read sensors statistics
* (C) 1999-2022 by Sebastien GODARD (sysstat <at> orange.fr)
*
***************************************************************************
* This program is free software; you can redistribute it and/or modify it *
* under the terms of the GNU General Public License as published by the *
* Free Software Foundation; either version 2 of the License, or (at your *
* option) any later version. *
* *
* This program is distributed in the hope that it will be useful, but *
* WITHOUT ANY WARRANTY; without the implied warranty of MERCHANTABILITY *
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License *
* for more details. *
* *
* You should have received a copy of the GNU General Public License along *
* with this program; if not, write to the Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335 USA *
***************************************************************************
*/
#include <stdio.h>
#include <string.h>
#include "common.h"
#include "rd_stats.h"
#include "rd_sensors.h"
#ifdef USE_NLS
#include <locale.h>
#include <libintl.h>
#define _(string) gettext(string)
#else
#define _(string) (string)
#endif
#if (defined(HAVE_SENSORS) && !defined(ARCH32)) || (defined(ARCH32) && defined(HAVE_SENSORS32))
#include "sensors/sensors.h"
#endif
/*
***************************************************************************
* Read fan statistics.
*
* IN:
* @st_pwr_fan Structure where stats will be saved.
* @nr_alloc Total number of structures allocated. Value is >= 1.
*
* OUT:
* @st_pwr_fan Structure with statistics.
*
* RETURNS:
* Number of fans read, or -1 if the buffer was too small and needs to be
* reallocated.
***************************************************************************
*/
__nr_t read_fan(struct stats_pwr_fan *st_pwr_fan, __nr_t nr_alloc)
{
#if (defined(HAVE_SENSORS) && !defined(ARCH32)) || (defined(ARCH32) && defined(HAVE_SENSORS32))
__nr_t fan_read = 0;
const sensors_chip_name *chip;
const sensors_feature *feature;
const sensors_subfeature *sub;
struct stats_pwr_fan *st_pwr_fan_i;
int chip_nr = 0;
int i, j;
memset(st_pwr_fan, 0, STATS_PWR_FAN_SIZE);
while ((chip = sensors_get_detected_chips(NULL, &chip_nr))) {
i = 0;
while ((feature = sensors_get_features(chip, &i))) {
if (feature->type == SENSORS_FEATURE_FAN) {
j = 0;
if (fan_read + 1 > nr_alloc)
return -1;
st_pwr_fan_i = st_pwr_fan + fan_read++;
sensors_snprintf_chip_name(st_pwr_fan_i->device, MAX_SENSORS_DEV_LEN, chip);
while ((sub = sensors_get_all_subfeatures(chip, feature, &j))) {
if ((sub->type == SENSORS_SUBFEATURE_FAN_INPUT) &&
(sub->flags & SENSORS_MODE_R)) {
if (sensors_get_value(chip, sub->number, &st_pwr_fan_i->rpm)) {
st_pwr_fan_i->rpm = 0;
}
}
else if ((sub->type == SENSORS_SUBFEATURE_FAN_MIN)) {
if (sensors_get_value(chip, sub->number, &st_pwr_fan_i->rpm_min)) {
st_pwr_fan_i->rpm_min = 0;
}
}
}
}
}
}
return fan_read;
#else
return 0;
#endif /* HAVE_SENSORS */
}
/*
***************************************************************************
* Read device temperature statistics.
*
* IN:
* @st_pwr_temp Structure where stats will be saved.
* @nr_alloc Total number of structures allocated. Value is >= 1.
*
* OUT:
* @st_pwr_temp Structure with statistics.
*
* RETURNS:
* Number of devices read, or -1 if the buffer was too small and needs to be
* reallocated.
***************************************************************************
*/
__nr_t read_temp(struct stats_pwr_temp *st_pwr_temp, __nr_t nr_alloc)
{
#if (defined(HAVE_SENSORS) && !defined(ARCH32)) || (defined(ARCH32) && defined(HAVE_SENSORS32))
__nr_t temp_read = 0;
const sensors_chip_name *chip;
const sensors_feature *feature;
const sensors_subfeature *sub;
struct stats_pwr_temp *st_pwr_temp_i;
int chip_nr = 0;
int i, j;
memset(st_pwr_temp, 0, STATS_PWR_TEMP_SIZE);
while ((chip = sensors_get_detected_chips(NULL, &chip_nr))) {
i = 0;
while ((feature = sensors_get_features(chip, &i))) {
if (feature->type == SENSORS_FEATURE_TEMP) {
j = 0;
if (temp_read + 1 > nr_alloc)
return -1;
st_pwr_temp_i = st_pwr_temp + temp_read++;
sensors_snprintf_chip_name(st_pwr_temp_i->device, MAX_SENSORS_DEV_LEN, chip);
while ((sub = sensors_get_all_subfeatures(chip, feature, &j))) {
if ((sub->type == SENSORS_SUBFEATURE_TEMP_INPUT) &&
(sub->flags & SENSORS_MODE_R)) {
if (sensors_get_value(chip, sub->number, &st_pwr_temp_i->temp)) {
st_pwr_temp_i->temp = 0;
}
}
else if ((sub->type == SENSORS_SUBFEATURE_TEMP_MIN)) {
if (sensors_get_value(chip, sub->number, &st_pwr_temp_i->temp_min)) {
st_pwr_temp_i->temp_min = 0;
}
}
else if ((sub->type == SENSORS_SUBFEATURE_TEMP_MAX)) {
if (sensors_get_value(chip, sub->number, &st_pwr_temp_i->temp_max)) {
st_pwr_temp_i->temp_max = 0;
}
}
}
}
}
}
return temp_read;
#else
return 0;
#endif /* HAVE_SENSORS */
}
/*
***************************************************************************
* Read voltage inputs statistics.
*
* IN:
* @st_pwr_in Structure where stats will be saved.
* @nr_alloc Total number of structures allocated. Value is >= 1.
*
* OUT:
* @st_pwr_in Structure with statistics.
*
* RETURNS:
* Number of devices read, or -1 if the buffer was too small and needs to be
* reallocated.
***************************************************************************
*/
__nr_t read_in(struct stats_pwr_in *st_pwr_in, __nr_t nr_alloc)
{
#if (defined(HAVE_SENSORS) && !defined(ARCH32)) || (defined(ARCH32) && defined(HAVE_SENSORS32))
__nr_t in_read = 0;
const sensors_chip_name *chip;
const sensors_feature *feature;
const sensors_subfeature *sub;
struct stats_pwr_in *st_pwr_in_i;
int chip_nr = 0;
int i, j;
memset(st_pwr_in, 0, STATS_PWR_IN_SIZE);
while ((chip = sensors_get_detected_chips(NULL, &chip_nr))) {
i = 0;
while ((feature = sensors_get_features(chip, &i))) {
if (feature->type == SENSORS_FEATURE_IN) {
j = 0;
if (in_read + 1 > nr_alloc)
return -1;
st_pwr_in_i = st_pwr_in + in_read++;
sensors_snprintf_chip_name(st_pwr_in_i->device, MAX_SENSORS_DEV_LEN, chip);
while ((sub = sensors_get_all_subfeatures(chip, feature, &j))) {
if ((sub->type == SENSORS_SUBFEATURE_IN_INPUT) &&
(sub->flags & SENSORS_MODE_R)) {
if (sensors_get_value(chip, sub->number, &st_pwr_in_i->in)) {
st_pwr_in_i->in = 0;
}
}
else if ((sub->type == SENSORS_SUBFEATURE_IN_MIN)) {
if (sensors_get_value(chip, sub->number, &st_pwr_in_i->in_min)) {
st_pwr_in_i->in_min = 0;
}
}
else if ((sub->type == SENSORS_SUBFEATURE_IN_MAX)) {
if (sensors_get_value(chip, sub->number, &st_pwr_in_i->in_max)) {
st_pwr_in_i->in_max = 0;
}
}
}
}
}
}
return in_read;
#else
return 0;
#endif /* HAVE_SENSORS */
}
#if (defined(HAVE_SENSORS) && !defined(ARCH32)) || (defined(ARCH32) && defined(HAVE_SENSORS32))
/*
***************************************************************************
* Count the number of sensors of given type on the machine.
*
* IN:
* @type Type of sensors.
*
* RETURNS:
* Number of sensors.
***************************************************************************
*/
__nr_t get_sensors_nr(sensors_feature_type type) {
__nr_t count = 0;
const sensors_chip_name *chip;
const sensors_feature *feature;
int chip_nr = 0;
int i;
while ((chip = sensors_get_detected_chips(NULL, &chip_nr))) {
i = 0;
while ((feature = sensors_get_features(chip, &i))) {
if (feature->type == type) {
count++;
}
}
}
return count;
}
#endif /* HAVE_SENSORS */
/*
***************************************************************************
* Count the number of fans on the machine.
*
* RETURNS:
* Number of fans.
***************************************************************************
*/
__nr_t get_fan_nr(void)
{
#if (defined(HAVE_SENSORS) && !defined(ARCH32)) || (defined(ARCH32) && defined(HAVE_SENSORS32))
return get_sensors_nr(SENSORS_FEATURE_FAN);
#else
return 0;
#endif /* HAVE_SENSORS */
}
/*
***************************************************************************
* Count the number of temperature sensors on the machine.
*
* RETURNS:
* Number of temperature sensors.
***************************************************************************
*/
__nr_t get_temp_nr(void)
{
#if (defined(HAVE_SENSORS) && !defined(ARCH32)) || (defined(ARCH32) && defined(HAVE_SENSORS32))
return get_sensors_nr(SENSORS_FEATURE_TEMP);
#else
return 0;
#endif /* HAVE_SENSORS */
}
/*
***************************************************************************
* Count the number of voltage inputs on the machine.
*
* RETURNS:
* Number of voltage inputs.
***************************************************************************
*/
__nr_t get_in_nr(void)
{
#if (defined(HAVE_SENSORS) && !defined(ARCH32)) || (defined(ARCH32) && defined(HAVE_SENSORS32))
return get_sensors_nr(SENSORS_FEATURE_IN);
#else
return 0;
#endif /* HAVE_SENSORS */
}