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