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Version actuelle en date du 14 avril 2014 à 20:02
Le paquet lm-sensors
va permettre d'interroger un ensemble de capteurs pourvu qu'ils soient installés sur la machine.
Sommaire
Exécution avant configuration
Le paquet fourni le binaire sensors
, dans /usr/bin
, qui permet d'afficher les données des capteurs. Dans le cadre de cette installation, la commande fourni le résultat suivant.
#sensors k10temp-pci-00c3 Adapter: PCI adapter temp1: +44.0°C (high = +70.0°C) (crit = +100.0°C, hyst = +95.0°C)
Dans cet exemple, seul un capteur est disponible et indique une température de 44°C, avec un maximum à 70°.
Recherche de capteurs
Le binaire sensors-detect
va permettre d'explorer la machine et de détecter les capteurs disponibles. Comme indiqué sur la page officielle Ubuntu, il est préférable de répondre favorablement à toutes les questions.
#sudo sensors-detect # sensors-detect revision 6085 (2012-10-30 18:18:45 +0100) # System: Dell Inc. Inspiron 410 # Board: Dell Inc. 0THJX5 This program will help you determine which kernel modules you need to load to use lm_sensors most effectively. It is generally safe and recommended to accept the default answers to all questions, unless you know what you're doing. Some south bridges, CPUs or memory controllers contain embedded sensors. Do you want to scan for them? This is totally safe. (YES/no): YES Module cpuid loaded successfully. Silicon Integrated Systems SIS5595... No VIA VT82C686 Integrated Sensors... No VIA VT8231 Integrated Sensors... No AMD K8 thermal sensors... No AMD Family 10h thermal sensors... Success! (driver `k10temp') AMD Family 11h thermal sensors... No AMD Family 12h and 14h thermal sensors... No AMD Family 15h thermal sensors... No AMD Family 15h power sensors... No Intel digital thermal sensor... No Intel AMB FB-DIMM thermal sensor... No VIA C7 thermal sensor... No VIA Nano thermal sensor... No Some Super I/O chips contain embedded sensors. We have to write to standard I/O ports to probe them. This is usually safe. Do you want to scan for Super I/O sensors? (YES/no): YES Probing for Super-I/O at 0x2e/0x2f Trying family `National Semiconductor/ITE'... No Trying family `SMSC'... No Trying family `VIA/Winbond/Nuvoton/Fintek'... No Trying family `ITE'... Yes Found `ITE IT8721F/IT8758E Super IO Sensors' Success! (address 0xa10, driver `it87') Probing for Super-I/O at 0x4e/0x4f Trying family `National Semiconductor/ITE'... No Trying family `SMSC'... No Trying family `VIA/Winbond/Nuvoton/Fintek'... No Trying family `ITE'... No Some systems (mainly servers) implement IPMI, a set of common interfaces through which system health data may be retrieved, amongst other things. We first try to get the information from SMBIOS. If we don't find it there, we have to read from arbitrary I/O ports to probe for such interfaces. This is normally safe. Do you want to scan for IPMI interfaces? (YES/no): YES Probing for `IPMI BMC KCS' at 0xca0... No Probing for `IPMI BMC SMIC' at 0xca8... No Some hardware monitoring chips are accessible through the ISA I/O ports. We have to write to arbitrary I/O ports to probe them. This is usually safe though. Yes, you do have ISA I/O ports even if you do not have any ISA slots! Do you want to scan the ISA I/O ports? (yes/NO): yes Probing for `National Semiconductor LM78' at 0x290... No Probing for `National Semiconductor LM79' at 0x290... No Probing for `Winbond W83781D' at 0x290... No Probing for `Winbond W83782D' at 0x290... No Lastly, we can probe the I2C/SMBus adapters for connected hardware monitoring devices. This is the most risky part, and while it works reasonably well on most systems, it has been reported to cause trouble on some systems. Do you want to probe the I2C/SMBus adapters now? (YES/no): YES Using driver `i2c-piix4' for device 0000:00:14.0: ATI Technologies Inc SB600/SB700/SB800 SMBus Module i2c-dev loaded successfully. Next adapter: Radeon i2c bit bus 0x90 (i2c-0) Do you want to scan it? (yes/NO/selectively): yes Next adapter: Radeon i2c bit bus 0x91 (i2c-1) Do you want to scan it? (yes/NO/selectively): yes Next adapter: Radeon i2c bit bus 0x92 (i2c-2) Do you want to scan it? (yes/NO/selectively): yes Next adapter: Radeon i2c bit bus 0x93 (i2c-3) Do you want to scan it? (yes/NO/selectively): yes Next adapter: Radeon i2c bit bus 0x14 (i2c-4) Do you want to scan it? (yes/NO/selectively): yes Next adapter: SMBus PIIX4 adapter at 0b00 (i2c-5) Do you want to scan it? (yes/NO/selectively): yes Client found at address 0x50 Probing for `Analog Devices ADM1033'... No Probing for `Analog Devices ADM1034'... No Probing for `SPD EEPROM'... Yes (confidence 8, not a hardware monitoring chip) Probing for `EDID EEPROM'... No Client found at address 0x51 Probing for `Analog Devices ADM1033'... No Probing for `Analog Devices ADM1034'... No Probing for `SPD EEPROM'... Yes (confidence 8, not a hardware monitoring chip) Next adapter: SMBus PIIX4 adapter at 0b20 (i2c-6) Do you want to scan it? (yes/NO/selectively): yes Now follows a summary of the probes I have just done. Just press ENTER to continue: Driver `it87': * ISA bus, address 0xa10 Chip `ITE IT8721F/IT8758E Super IO Sensors' (confidence: 9) Driver `k10temp' (autoloaded): * Chip `AMD Family 10h thermal sensors' (confidence: 9) To load everything that is needed, add this to /etc/modules: #----cut here---- # Chip drivers it87 #----cut here---- If you have some drivers built into your kernel, the list above will contain too many modules. Skip the appropriate ones! Do you want to add these lines automatically to /etc/modules? (yes/NO)yes Successful! Monitoring programs won't work until the needed modules are loaded. You may want to run 'service kmod start' to load them. Unloading i2c-dev... OK Unloading cpuid... OK
A noter qu'un capteur a été détecté avec le driver k10temp
, qui a été mentionné lors de l'exécution de sensors
.
Ayant accepter la modification du fichier /etc/modules
, celui-ci contient les drivers détectés. Dans le cadre de cet article, le contenu est le suivant.
#cat /etc/modules # /etc/modules: kernel modules to load at boot time. # # This file contains the names of kernel modules that should be loaded # at boot time, one per line. Lines beginning with "#" are ignored. lp rtc # Generated by sensors-detect on Mon Apr 14 19:27:13 2014 # Chip drivers it87
Les lignes ajoutées sont facilement identifiables par le commentaire ajouté par l'outil. Pour être pris en compte, l'utilisateur a été invité à exécuter la commande service kmod start
.
#sudo service kmod start kmod stop/waiting
Pour s'assurer que le module est bien chargé, il suffit d'utiliser le binaire kmod
. Dans le cadre de cet exemple, le driver it87
a été ajouté. La recherche est donc naturellement orienté sur celui-ci.
#kmod list | grep it87 it87 43113 0 hwmon_vid 12783 1 it87
Exécution après configuration
Après avoir effectué cette recherche, la commande sensors va présenter beaucoup plus d'informations.
#sensors k10temp-pci-00c3 Adapter: PCI adapter temp1: +43.0°C (high = +70.0°C) (crit = +100.0°C, hyst = +95.0°C) it8721-isa-0a10 Adapter: ISA adapter in0: +3.06 V (min = +3.05 V, max = +2.03 V) ALARM in1: +3.02 V (min = +2.44 V, max = +1.57 V) ALARM in2: +2.22 V (min = +2.87 V, max = +1.08 V) ALARM +3.3V: +3.29 V (min = +3.05 V, max = +5.30 V) in4: +1.99 V (min = +2.23 V, max = +2.71 V) ALARM in5: +0.72 V (min = +1.48 V, max = +1.16 V) ALARM in6: +1.82 V (min = +3.04 V, max = +3.02 V) ALARM 3VSB: +3.26 V (min = +2.86 V, max = +4.58 V) Vbat: +3.10 V fan1: 0 RPM (min = 25 RPM) ALARM fan2: 1739 RPM (min = 12 RPM) temp1: +43.0°C (low = -54.0°C, high = +119.0°C) sensor = thermal diode temp2: +86.0°C (low = -93.0°C, high = -2.0°C) ALARM sensor = Intel PECI temp3: -128.0°C (low = +127.0°C, high = +99.0°C) sensor = disabled intrusion0: ALARM
Voir aussi
Documentation officielle: http://doc.ubuntu-fr.org/lm-sensors