0001 What: /sys/firmware/opal/sensor_groups
0002 Date: August 2017
0003 Contact: Linux for PowerPC mailing list <linuxppc-dev@ozlabs.org>
0004 Description: Sensor groups directory for POWER9 powernv servers
0005
0006 Each folder in this directory contains a sensor group
0007 which are classified based on type of the sensor
0008 like power, temperature, frequency, current, etc. They
0009 can also indicate the group of sensors belonging to
0010 different owners like CSM, Profiler, Job-Scheduler
0011
0012 What: /sys/firmware/opal/sensor_groups/<sensor_group_name>/clear
0013 Date: August 2017
0014 Contact: Linux for PowerPC mailing list <linuxppc-dev@ozlabs.org>
0015 Description: Sysfs file to clear the min-max of all the sensors
0016 belonging to the group.
0017
0018 Writing 1 to this file will clear the minimum and
0019 maximum values of all the sensors in the group.
0020 In POWER9, the min-max of a sensor is the historical minimum
0021 and maximum value of the sensor cached by OCC.
