Hw.sensors

hw.sensors
Original author(s)Constantine A. Murenin (2006),
Alexander Yurchenko (2003–2004)
Developer(s)The OpenBSD Project
Initial release25 April 2003; 21 years ago (2003-04-25)
Repository
Written inC
Operating systemOpenBSD, DragonFly
Typesystem monitoring
LicenceISC

The hw.sensors framework is a kernel-level hardware sensors framework originating from OpenBSD, which uses the sysctl kernel interface as the transport layer between the kernel and the userland. As of 2019, the framework is used by over a hundred device drivers in OpenBSD to export various environmental sensors, with temperature sensors being the most common type.[1][2] Consumption and monitoring of sensors is done in the userland with the help of sysctl, systat, sensorsd, OpenBSD NTP Daemon (OpenNTPD, ntpd), Simple Network Management Protocol (snmpd), ports/sysutils/symon and GKrellM.[3][4]

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