On Fri, 17 Jun 2016, Borislav Petkov wrote: > On Fri, Jun 17, 2016 at 01:38:44PM -0400, Vince Weaver wrote: > > F15hM02h > > > > fam15h_power-pci-00c4 > > Adapter: PCI adapter > > power1: 105.64 W (crit = 115.17 W) > > > > fam15h_power-pci-00d4 > > Adapter: PCI adapter > > power1: 105.59 W (crit = 115.17 W) > > Is that a dual-socket machine? > > Because I have only the fam15h_power-pci-00c4 adapter. And mine goes > between 20W and 40W in idle.
It's a dual-socket server machine. AMD Opteron(tm) Processor 6376 2 packages, 16 cores each. > That's Trinity. That PCI device ID is not even in the kernel - I'm > guessing no one has even thought of enabling fam15_power on it. I don't > know even whether it supports the different PCI interfaces like TDP, TDP > limit, etc. > > IOW, something like that might not really help. I'll try applying the patch. My code that probes the msrs/pci directly from userspace seems to think it has support. Vince