sysfs-firmware-opal-psr

 1What:		/sys/firmware/opal/psr
 2Date:		August 2017
 3Contact:	Linux for PowerPC mailing list <linuxppc-dev@lists.ozlabs.org>
 4Description:	Power-Shift-Ratio directory for Powernv P9 servers
 5
 6		Power-Shift-Ratio allows to provide hints the firmware
 7		to shift/throttle power between different entities in
 8		the system. Each attribute in this directory indicates
 9		a settable PSR.
10
11What:		/sys/firmware/opal/psr/cpu_to_gpu_X
12Date:		August 2017
13Contact:	Linux for PowerPC mailing list <linuxppc-dev@lists.ozlabs.org>
14Description:	PSR sysfs attributes for Powernv P9 servers
15
16		Power-Shift-Ratio between CPU and GPU for a given chip
17		with chip-id X. This file gives the ratio (0-100)
18		which is used by OCC for power-capping.