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| -rw-r--r-- | Documentation/ABI/testing/sysfs-firmware-opal-sensor-groups | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-firmware-opal-sensor-groups b/Documentation/ABI/testing/sysfs-firmware-opal-sensor-groups new file mode 100644 index 000000000000..3a2dfe542e8c --- /dev/null +++ b/Documentation/ABI/testing/sysfs-firmware-opal-sensor-groups @@ -0,0 +1,21 @@ +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. |