18c2ecf20Sopenharmony_ciWhat: /sys/firmware/opal/sensor_groups 28c2ecf20Sopenharmony_ciDate: August 2017 38c2ecf20Sopenharmony_ciContact: Linux for PowerPC mailing list <linuxppc-dev@ozlabs.org> 48c2ecf20Sopenharmony_ciDescription: Sensor groups directory for POWER9 powernv servers 58c2ecf20Sopenharmony_ci 68c2ecf20Sopenharmony_ci Each folder in this directory contains a sensor group 78c2ecf20Sopenharmony_ci which are classified based on type of the sensor 88c2ecf20Sopenharmony_ci like power, temperature, frequency, current, etc. They 98c2ecf20Sopenharmony_ci can also indicate the group of sensors belonging to 108c2ecf20Sopenharmony_ci different owners like CSM, Profiler, Job-Scheduler 118c2ecf20Sopenharmony_ci 128c2ecf20Sopenharmony_ciWhat: /sys/firmware/opal/sensor_groups/<sensor_group_name>/clear 138c2ecf20Sopenharmony_ciDate: August 2017 148c2ecf20Sopenharmony_ciContact: Linux for PowerPC mailing list <linuxppc-dev@ozlabs.org> 158c2ecf20Sopenharmony_ciDescription: Sysfs file to clear the min-max of all the sensors 168c2ecf20Sopenharmony_ci belonging to the group. 178c2ecf20Sopenharmony_ci 188c2ecf20Sopenharmony_ci Writing 1 to this file will clear the minimum and 198c2ecf20Sopenharmony_ci maximum values of all the sensors in the group. 208c2ecf20Sopenharmony_ci In POWER9, the min-max of a sensor is the historical minimum 218c2ecf20Sopenharmony_ci and maximum value of the sensor cached by OCC. 22