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linux command – sensors

在沒有 BMC 時 Linux 底下還是可以透過另外一種方式 LM_Sensor 來針對 I²C / smbus 上的 溫度,電壓,濕度和風扇 裝置感應器 (sensors) 來做較簡易的監控.

測試環境為 CentOS 7 x86_64

[root@localhost ~]# yum install lm_sensors

主要透過兩支程式 sensors-detect (sensor 環境偵測) 以及 sensors (檢視目前 sensors 的狀態).

[root@localhost ~]# sensors-detect --auto
# sensors-detect revision 3.4.0-4 (2016-06-01)
# System: FOXCONN AGLAIA [PVT]
# Kernel: 3.10.0-514.26.2.el7.x86_64 x86_64
# Processor: Intel(R) Xeon(R) CPU X5667 @ 3.07GHz (6/44/1)

Running in automatic mode, default answers to all questions
are assumed.

Some south bridges, CPUs or memory controllers contain embedded sensors.
Do you want to scan for them? This is totally safe. (YES/no): 
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...                           No
AMD Family 11h thermal sensors...                           No
AMD Family 12h and 14h thermal sensors...                   No
AMD Family 15h thermal sensors...                           No
AMD Family 16h thermal sensors...                           No
AMD Family 15h power sensors...                             No
AMD Family 16h power sensors...                             No
Intel digital thermal sensor...                             Success!
    (driver `coretemp')
Intel AMB FB-DIMM thermal sensor...                         No
Intel 5500/5520/X58 thermal sensor...                       Success!
    (driver `i5500_temp')
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): 
Probing for Super-I/O at 0x2e/0x2f
Trying family `National Semiconductor/ITE'...               Yes
Found unknown chip with ID 0x1a11
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): 
Found `IPMI BMC KCS' at 0xca8...                            Success!
    (confidence 8, driver `to-be-written')

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): 
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): 
Using driver `i2c-i801' for device 0000:00:1f.3: Intel ICH10

Next adapter: mga i2c (i2c-0)
Do you want to scan it? (yes/NO/selectively): 

Next adapter: SMBus I801 adapter at f000 (i2c-1)
Do you want to scan it? (YES/no/selectively): 
Client found at address 0x18
Probing for `Analog Devices ADM1021'...                     No
Probing for `Analog Devices ADM1021A/ADM1023'...            No
Probing for `Maxim MAX1617'...                              No
Probing for `Maxim MAX1617A'...                             No
Probing for `Maxim MAX1668'...                              No
Probing for `Maxim MAX1805'...                              No
Probing for `Maxim MAX1989'...                              No
Probing for `Maxim MAX6655/MAX6656'...                      No
Probing for `TI THMC10'...                                  No
Probing for `National Semiconductor LM84'...                No
Probing for `Genesys Logic GL523SM'...                      No
Probing for `Onsemi MC1066'...                              No
Probing for `Maxim MAX1618'...                              No
Probing for `Maxim MAX1619'...                              No
Probing for `National Semiconductor LM82/LM83'...           No
Probing for `Maxim MAX6654'...                              No
Probing for `Maxim MAX6690'...                              No
Probing for `Maxim MAX6680/MAX6681'...                      No
Probing for `Maxim MAX6695/MAX6696'...                      No
Probing for `Texas Instruments TMP400'...                   No
Probing for `Texas Instruments AMC6821'...                  No
Probing for `National Semiconductor LM95233'...             No
Probing for `National Semiconductor LM95234'...             No
Probing for `National Semiconductor LM95235'...             No
Probing for `National Semiconductor LM95245'...             No
Probing for `National Semiconductor LM64'...                No
Probing for `SMSC EMC1047'...                               No
Probing for `SMSC EMC1402'...                               No
Probing for `SMSC EMC1403'...                               No
Probing for `SMSC EMC1404'...                               No
Probing for `ST STTS424'...                                 No
Probing for `ST STTS424E'...                                No
Probing for `ST STTS2002'...                                No
Probing for `ST STTS3000'...                                No
Probing for `NXP SE97/SE97B'...                             No
Probing for `NXP SE98'...                                   No
Probing for `Analog Devices ADT7408'...                     No
Probing for `IDT TS3000/TSE2002'...                         No
Probing for `IDT TSE2004'...                                No
Probing for `IDT TS3001'...                                 No
Probing for `Maxim MAX6604'...                              No
Probing for `Microchip MCP9804'...                          No
Probing for `Microchip MCP98242'...                         Success!
    (confidence 5, driver `jc42')
Probing for `Microchip MCP98243'...                         No
Probing for `Microchip MCP98244'...                         No
Probing for `Microchip MCP9843'...                          No
Probing for `ON CAT6095/CAT34TS02'...                       No
Probing for `Atmel AT30TS00'...                             No
Client found at address 0x1b
Probing for `ST STTS424'...                                 No
Probing for `ST STTS424E'...                                No
Probing for `ST STTS2002'...                                No
Probing for `ST STTS3000'...                                No
Probing for `NXP SE97/SE97B'...                             No
Probing for `NXP SE98'...                                   No
Probing for `Analog Devices ADT7408'...                     No
Probing for `IDT TS3000/TSE2002'...                         No
Probing for `IDT TSE2004'...                                No
Probing for `IDT TS3001'...                                 No
Probing for `Maxim MAX6604'...                              No
Probing for `Microchip MCP9804'...                          No
Probing for `Microchip MCP98242'...                         Success!
    (confidence 5, driver `jc42')
Probing for `Microchip MCP98243'...                         No
Probing for `Microchip MCP98244'...                         No
Probing for `Microchip MCP9843'...                          No
Probing for `ON CAT6095/CAT34TS02'...                       No
Probing for `Atmel AT30TS00'...                             No
Client found at address 0x2e
Probing for `Myson MTP008'...                               No
Probing for `National Semiconductor LM78'...                No
Probing for `National Semiconductor LM79'...                No
Probing for `National Semiconductor LM80'...                No
Probing for `National Semiconductor LM96080'...             No
Probing for `TI / National Semiconductor ADC128D818'...     No
Probing for `National Semiconductor LM85'...                No
Probing for `National Semiconductor LM96000 or PC8374L'...  No
Probing for `Analog Devices ADM1027'...                     No
Probing for `Analog Devices ADT7460 or ADT7463'...          No
Probing for `SMSC EMC6D100 or EMC6D101'...                  No
Probing for `SMSC EMC6D102'...                              No
Probing for `SMSC EMC6D103'...                              No
Probing for `SMSC EMC6D103S or EMC2300'...                  No
Probing for `SMSC EMC6W201'...                              No
Probing for `Winbond WPCD377I'...                           No
Probing for `Analog Devices ADT7467 or ADT7468'...          No
Probing for `Analog Devices ADT7470'...                     No
Probing for `Analog Devices ADT7473'...                     No
Probing for `Analog Devices ADT7475'...                     No
Probing for `Analog Devices ADT7476'...                     No
Probing for `Analog Devices ADT7490'...                     No
Probing for `Andigilog aSC7611'...                          No
Probing for `Andigilog aSC7621'...                          No
Probing for `National Semiconductor LM87'...                No
Probing for `Analog Devices ADM1024'...                     No
Probing for `National Semiconductor LM93'...                No
Probing for `National Semiconductor LM94 or LM96194'...     No
Probing for `Winbond W83781D'...                            No
Probing for `Winbond W83782D'...                            No
Probing for `Winbond W83791D'...                            No
Probing for `Winbond W83792D'...                            No
Probing for `Winbond W83793R/G'...                          No
Probing for `Nuvoton W83795G/ADG'...                        No
Probing for `Nuvoton NCT7802Y'...                           No
Probing for `Nuvoton NCT7904D'...                           No
Probing for `Winbond W83627HF'...                           No
Probing for `Winbond W83627EHF'...                          No
Probing for `Winbond W83627DHG/W83667HG/W83677HG'...        No
Probing for `Asus AS99127F (rev.1)'...                      No
Probing for `Asus AS99127F (rev.2)'...                      No
Probing for `Asus ASB100 Bach'...                           No
Probing for `Winbond W83L786NR/NG/R/G'...                   No
Probing for `Winbond W83L785TS-S'...                        No
Probing for `Analog Devices ADM9240'...                     No
Probing for `Dallas Semiconductor DS1780'...                No
Probing for `National Semiconductor LM81'...                No
Probing for `Analog Devices ADM1026'...                     No
Probing for `Analog Devices ADM1025'...                     No
Probing for `Maxim MAX6639'...                              No
Probing for `Texas Instruments AMC6821'...                  No
Probing for `Analog Devices ADM1029'...                     No
Probing for `Analog Devices ADM1030'...                     No
Probing for `Analog Devices ADM1031'...                     No
Probing for `Analog Devices ADM1022'...                     No
Probing for `Texas Instruments THMC50'...                   No
Probing for `Analog Devices ADM1028'...                     No
Probing for `Texas Instruments THMC51'...                   No
Probing for `ITE IT8712F'...                                No
Probing for `SMSC DME1737'...                               No
Probing for `SMSC SCH5027D-NW'...                           No
Probing for `SMSC EMC2103'...                               No
Probing for `Fintek F75373S/SG'...                          No
Probing for `Fintek F75375S/SP'...                          No
Probing for `Fintek F75387SG/RG'...                         No
Probing for `Winbond W83791SD'...                           No
Client found at address 0x50
Handled by driver `eeprom' (already loaded), chip type `eeprom'
    (note: this is probably NOT a sensor chip!)
Client found at address 0x53
Handled by driver `eeprom' (already loaded), chip type `eeprom'
    (note: this is probably NOT a sensor chip!)


Now follows a summary of the probes I have just done.

Driver `jc42':
  * Bus `SMBus I801 adapter at f000'
    Busdriver `i2c_i801', I2C address 0x18
    Chip `Microchip MCP98242' (confidence: 5)
  * Bus `SMBus I801 adapter at f000'
    Busdriver `i2c_i801', I2C address 0x1b
    Chip `Microchip MCP98242' (confidence: 5)

Driver `to-be-written':
  * ISA bus, address 0xca8
    Chip `IPMI BMC KCS' (confidence: 8)

Driver `coretemp':
  * Chip `Intel digital thermal sensor' (confidence: 9)

Driver `i5500_temp':
  * Chip `Intel 5500/5520/X58 thermal sensor' (confidence: 5)

Note: there is no driver for IPMI BMC KCS yet.
Check http://www.lm-sensors.org/wiki/Devices for updates.

Do you want to overwrite /etc/sysconfig/lm_sensors? (YES/no): 

不過我的系統似乎只能看到 CPU 的溫度,其他皆看不到.

[root@localhost ~]# sensors -u
coretemp-isa-0000
Adapter: ISA adapter
Core 0:
  temp2_input: 41.000
  temp2_max: 86.000
  temp2_crit: 102.000
  temp2_crit_alarm: 0.000
Core 1:
  temp3_input: 32.000
  temp3_max: 86.000
  temp3_crit: 102.000
  temp3_crit_alarm: 0.000
Core 9:
  temp11_input: 41.000
  temp11_max: 86.000
  temp11_crit: 102.000
  temp11_crit_alarm: 0.000
Core 10:
  temp12_input: 39.000
  temp12_max: 86.000
  temp12_crit: 102.000
  temp12_crit_alarm: 0.000

coretemp-isa-0001
Adapter: ISA adapter
Core 0:
  temp2_input: 40.000
  temp2_max: 86.000
  temp2_crit: 102.000
  temp2_crit_alarm: 0.000
Core 1:
  temp3_input: 37.000
  temp3_max: 86.000
  temp3_crit: 102.000
  temp3_crit_alarm: 0.000
Core 9:
  temp11_input: 46.000
  temp11_max: 86.000
  temp11_crit: 102.000
  temp11_crit_alarm: 0.000
Core 10:
  temp12_input: 43.000
  temp12_max: 86.000
  temp12_crit: 102.000
  temp12_crit_alarm: 0.000

還有另外一個套件 I2C tools, 這套件包含了 a bus probing tool, a chip dumper, register-level SMBus access helpers, EEPROM decoding scripts, EEPROM programming tools, 以及 a python module for SMBus access 一樣可以針對 I²C / smbus 上的 溫度,電壓,濕度和風扇 裝置感應器 (sensors) 來做較簡易的監控.

使用請參考
Linux command i2c-dev – http://benjr.tw/93915
Temperature sensor with integrated SPD – http://benjr.tw/93901

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