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What: /sys/firmware/opal/sensor_groups
Date: August 2017
Contact: Linux for PowerPC mailing list <linuxppc-dev@ozlabs.org>
Description: Sensor groups directory for POWER9 powernv servers
Each folder in this directory contains a sensor group
which are classified based on type of the sensor
like power, temperature, frequency, current, etc. They
can also indicate the group of sensors belonging to
different owners like CSM, Profiler, Job-Scheduler
What: /sys/firmware/opal/sensor_groups/<sensor_group_name>/clear
Date: August 2017
Contact: Linux for PowerPC mailing list <linuxppc-dev@ozlabs.org>
Description: Sysfs file to clear the min-max of all the sensors
belonging to the group.
Writing 1 to this file will clear the minimum and
maximum values of all the sensors in the group.
In POWER9, the min-max of a sensor is the historical minimum
and maximum value of the sensor cached by OCC.
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