18 lines
706 B
Text
18 lines
706 B
Text
What: /sys/firmware/opal/psr
|
|
Date: August 2017
|
|
Contact: Linux for PowerPC mailing list <linuxppc-dev@ozlabs.org>
|
|
Description: Power-Shift-Ratio directory for Powernv P9 servers
|
|
|
|
Power-Shift-Ratio allows to provide hints the firmware
|
|
to shift/throttle power between different entities in
|
|
the system. Each attribute in this directory indicates
|
|
a settable PSR.
|
|
|
|
What: /sys/firmware/opal/psr/cpu_to_gpu_X
|
|
Date: August 2017
|
|
Contact: Linux for PowerPC mailing list <linuxppc-dev@ozlabs.org>
|
|
Description: PSR sysfs attributes for Powernv P9 servers
|
|
|
|
Power-Shift-Ratio between CPU and GPU for a given chip
|
|
with chip-id X. This file gives the ratio (0-100)
|
|
which is used by OCC for power-capping.
|