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1What: /sys/firmware/opal/sensor_groups2Date: August 20173Contact: Linux for PowerPC mailing list <linuxppc-dev@lists.ozlabs.org>4Description: Sensor groups directory for POWER9 powernv servers5 6 Each folder in this directory contains a sensor group7 which are classified based on type of the sensor8 like power, temperature, frequency, current, etc. They9 can also indicate the group of sensors belonging to10 different owners like CSM, Profiler, Job-Scheduler11 12What: /sys/firmware/opal/sensor_groups/<sensor_group_name>/clear13Date: August 201714Contact: Linux for PowerPC mailing list <linuxppc-dev@lists.ozlabs.org>15Description: Sysfs file to clear the min-max of all the sensors16 belonging to the group.17 18 Writing 1 to this file will clear the minimum and19 maximum values of all the sensors in the group.20 In POWER9, the min-max of a sensor is the historical minimum21 and maximum value of the sensor cached by OCC.22