1Kernel driver fam15h_power 2========================== 3 4Supported chips: 5* AMD Family 15h Processors 6* AMD Family 16h Processors 7 8 Prefix: 'fam15h_power' 9 Addresses scanned: PCI space 10 Datasheets: 11 BIOS and Kernel Developer's Guide (BKDG) For AMD Family 15h Processors 12 BIOS and Kernel Developer's Guide (BKDG) For AMD Family 16h Processors 13 14Author: Andreas Herrmann <herrmann.der.user@googlemail.com> 15 16Description 17----------- 18 19This driver permits reading of registers providing power information 20of AMD Family 15h and 16h processors. 21 22For AMD Family 15h and 16h processors the following power values can 23be calculated using different processor northbridge function 24registers: 25 26* BasePwrWatts: Specifies in watts the maximum amount of power 27 consumed by the processor for NB and logic external to the core. 28* ProcessorPwrWatts: Specifies in watts the maximum amount of power 29 the processor can support. 30* CurrPwrWatts: Specifies in watts the current amount of power being 31 consumed by the processor. 32 33This driver provides ProcessorPwrWatts and CurrPwrWatts: 34* power1_crit (ProcessorPwrWatts) 35* power1_input (CurrPwrWatts) 36 37On multi-node processors the calculated value is for the entire 38package and not for a single node. Thus the driver creates sysfs 39attributes only for internal node0 of a multi-node processor. 40