[coreboot] KGPE-D16: Excessive power consumption in idle

Sat Feb 11 16:17:32 CET 2017

On Fri, 10 Feb 2017 00:37:57 -0500
"Taiidan at gmx.com" <Taiidan at gmx.com> wrote:

> On 02/09/2017 06:46 PM, Daniel Kulesz via coreboot wrote:
> 
> > Hi,
> >
> > I just compiled and flashed the lastest master on my KGPE-D16 with pretty much the default config. My board has only one of the CPU sockets populated with an Opteron 6276. Things seem to work fine so far, except the power consumption. The "sensors" command reports a CPU power consumption of about ~85W (!) in idle:
> >
> > ---
> > k10temp-pci-00cb
> > Adapter: PCI adapter
> > temp1:        +21.2°C  (high = +70.0°C)
> >
> > fam15h_power-pci-00c4
> > Adapter: PCI adapter
> > power1:       85.13 W  (crit = 115.11 W)
> >
> > nouveau-pci-0500
> > Adapter: PCI adapter
> > GPU core:     +1.01 V  (min =  +0.60 V, max =  +1.20 V)
> > fan1:           0 RPM
> > temp1:        +37.0°C  (high = +95.0°C, hyst =  +3.0°C)
> >                         (crit = +105.0°C, hyst =  +5.0°C)
> >                         (emerg = +135.0°C, hyst =  +5.0°C)
> >
> > k10temp-pci-00c3
> > Adapter: PCI adapter
> > temp1:        +24.1°C  (high = +70.0°C)
> > ---
> >
> > With the vendor bios, the power consumption reported by "sensors" was just about the half - around 43W. I measured the consumption also on the power socket, and the whole systems seems to draw around 91W in idle (which is strange, since the GPU + hard drives + fans certainly don't take only 6W, but yeah...). Anyways, with the vendor bios, the power consumption of the whole system was around 60W (tested with a different power supply, but as a rough measure I guess this is representative).
> >
> > In coreboot's menuconfig, I can't select any power saving options or such as it was possible for other boards, which leaves me a bit puzzled.
> >
> > Anyone having simular issues?
> >
> > Cheers, Daniel
> >
> I am not.

Thanks. May I ask which CPU you are using?

> What does "cpufrequency monitor" report?

Here's the output of "cpufreq-info":

cpufrequtils 008: cpufreq-info (C) Dominik Brodowski 2004-2009
Report errors and bugs to cpufreq at vger.kernel.org, please.
analyzing CPU 0:
  driver: acpi-cpufreq
  CPUs which run at the same hardware frequency: 0
  CPUs which need to have their frequency coordinated by software: 0
  maximum transition latency: 5.0 us.
  hardware limits: 1.40 GHz - 2.30 GHz
  available frequency steps: 2.30 GHz, 2.10 GHz, 1.80 GHz, 1.60 GHz, 1.40 GHz
  available cpufreq governors: userspace, powersave, conservative, ondemand, performance, schedutil
  current policy: frequency should be within 1.40 GHz and 2.30 GHz.
                  The governor "ondemand" may decide which speed to use
                  within this range.
  current CPU frequency is 1.40 GHz.
  cpufreq stats: 2.30 GHz:0.80%, 2.10 GHz:0.46%, 1.80 GHz:0.70%, 1.60 GHz:1.68%, 1.40 GHz:96.37%  (736)
analyzing CPU 1:
  driver: acpi-cpufreq
  CPUs which run at the same hardware frequency: 1
  CPUs which need to have their frequency coordinated by software: 1
  maximum transition latency: 5.0 us.
  hardware limits: 1.40 GHz - 2.30 GHz
  available frequency steps: 2.30 GHz, 2.10 GHz, 1.80 GHz, 1.60 GHz, 1.40 GHz
  available cpufreq governors: userspace, powersave, conservative, ondemand, performance, schedutil
  current policy: frequency should be within 1.40 GHz and 2.30 GHz.
                  The governor "ondemand" may decide which speed to use
                  within this range.
  current CPU frequency is 1.40 GHz.
  cpufreq stats: 2.30 GHz:0.54%, 2.10 GHz:0.08%, 1.80 GHz:0.29%, 1.60 GHz:3.19%, 1.40 GHz:95.91%  (223)
analyzing CPU 2:
  driver: acpi-cpufreq
  CPUs which run at the same hardware frequency: 2
  CPUs which need to have their frequency coordinated by software: 2
  maximum transition latency: 5.0 us.
  hardware limits: 1.40 GHz - 2.30 GHz
  available frequency steps: 2.30 GHz, 2.10 GHz, 1.80 GHz, 1.60 GHz, 1.40 GHz
  available cpufreq governors: userspace, powersave, conservative, ondemand, performance, schedutil
  current policy: frequency should be within 1.40 GHz and 2.30 GHz.
                  The governor "ondemand" may decide which speed to use
                  within this range.
  current CPU frequency is 1.40 GHz.
  cpufreq stats: 2.30 GHz:0.45%, 2.10 GHz:0.18%, 1.80 GHz:1.01%, 1.60 GHz:2.10%, 1.40 GHz:96.25%  (445)
analyzing CPU 3:
  driver: acpi-cpufreq
  CPUs which run at the same hardware frequency: 3
  CPUs which need to have their frequency coordinated by software: 3
  maximum transition latency: 5.0 us.
  hardware limits: 1.40 GHz - 2.30 GHz
  available frequency steps: 2.30 GHz, 2.10 GHz, 1.80 GHz, 1.60 GHz, 1.40 GHz
  available cpufreq governors: userspace, powersave, conservative, ondemand, performance, schedutil
  current policy: frequency should be within 1.40 GHz and 2.30 GHz.
                  The governor "ondemand" may decide which speed to use
                  within this range.
  current CPU frequency is 1.40 GHz.
  cpufreq stats: 2.30 GHz:1.95%, 2.10 GHz:0.22%, 1.80 GHz:1.16%, 1.60 GHz:1.78%, 1.40 GHz:94.89%  (241)
analyzing CPU 4:
  driver: acpi-cpufreq
  CPUs which run at the same hardware frequency: 4
  CPUs which need to have their frequency coordinated by software: 4
  maximum transition latency: 5.0 us.
  hardware limits: 1.40 GHz - 2.30 GHz
  available frequency steps: 2.30 GHz, 2.10 GHz, 1.80 GHz, 1.60 GHz, 1.40 GHz
  available cpufreq governors: userspace, powersave, conservative, ondemand, performance, schedutil
  current policy: frequency should be within 1.40 GHz and 2.30 GHz.
                  The governor "ondemand" may decide which speed to use
                  within this range.
  current CPU frequency is 1.40 GHz.
  cpufreq stats: 2.30 GHz:0.82%, 2.10 GHz:0.18%, 1.80 GHz:0.86%, 1.60 GHz:2.01%, 1.40 GHz:96.13%  (448)
analyzing CPU 5:
  driver: acpi-cpufreq
  CPUs which run at the same hardware frequency: 5
  CPUs which need to have their frequency coordinated by software: 5
  maximum transition latency: 5.0 us.
  hardware limits: 1.40 GHz - 2.30 GHz
  available frequency steps: 2.30 GHz, 2.10 GHz, 1.80 GHz, 1.60 GHz, 1.40 GHz
  available cpufreq governors: userspace, powersave, conservative, ondemand, performance, schedutil
  current policy: frequency should be within 1.40 GHz and 2.30 GHz.
                  The governor "ondemand" may decide which speed to use
                  within this range.
  current CPU frequency is 1.40 GHz.
  cpufreq stats: 2.30 GHz:0.43%, 2.10 GHz:0.09%, 1.80 GHz:0.24%, 1.60 GHz:4.50%, 1.40 GHz:94.75%  (260)
analyzing CPU 6:
  driver: acpi-cpufreq
  CPUs which run at the same hardware frequency: 6
  CPUs which need to have their frequency coordinated by software: 6
  maximum transition latency: 5.0 us.
  hardware limits: 1.40 GHz - 2.30 GHz
  available frequency steps: 2.30 GHz, 2.10 GHz, 1.80 GHz, 1.60 GHz, 1.40 GHz
  available cpufreq governors: userspace, powersave, conservative, ondemand, performance, schedutil
  current policy: frequency should be within 1.40 GHz and 2.30 GHz.
                  The governor "ondemand" may decide which speed to use
                  within this range.
  current CPU frequency is 1.40 GHz.
  cpufreq stats: 2.30 GHz:1.58%, 2.10 GHz:0.13%, 1.80 GHz:0.42%, 1.60 GHz:2.85%, 1.40 GHz:95.02%  (433)
analyzing CPU 7:
  driver: acpi-cpufreq
  CPUs which run at the same hardware frequency: 7
  CPUs which need to have their frequency coordinated by software: 7
  maximum transition latency: 5.0 us.
  hardware limits: 1.40 GHz - 2.30 GHz
  available frequency steps: 2.30 GHz, 2.10 GHz, 1.80 GHz, 1.60 GHz, 1.40 GHz
  available cpufreq governors: userspace, powersave, conservative, ondemand, performance, schedutil
  current policy: frequency should be within 1.40 GHz and 2.30 GHz.
                  The governor "ondemand" may decide which speed to use
                  within this range.
  current CPU frequency is 1.40 GHz.
  cpufreq stats: 2.30 GHz:0.30%, 2.10 GHz:0.06%, 1.80 GHz:0.27%, 1.60 GHz:4.67%, 1.40 GHz:94.70%  (231)
analyzing CPU 8:
  driver: acpi-cpufreq
  CPUs which run at the same hardware frequency: 8
  CPUs which need to have their frequency coordinated by software: 8
  maximum transition latency: 5.0 us.
  hardware limits: 1.40 GHz - 2.30 GHz
  available frequency steps: 2.30 GHz, 2.10 GHz, 1.80 GHz, 1.60 GHz, 1.40 GHz
  available cpufreq governors: userspace, powersave, conservative, ondemand, performance, schedutil
  current policy: frequency should be within 1.40 GHz and 2.30 GHz.
                  The governor "ondemand" may decide which speed to use
                  within this range.
  current CPU frequency is 1.40 GHz.
  cpufreq stats: 2.30 GHz:0.54%, 2.10 GHz:0.27%, 1.80 GHz:0.35%, 1.60 GHz:0.94%, 1.40 GHz:97.90%  (331)
analyzing CPU 9:
  driver: acpi-cpufreq
  CPUs which run at the same hardware frequency: 9
  CPUs which need to have their frequency coordinated by software: 9
  maximum transition latency: 5.0 us.
  hardware limits: 1.40 GHz - 2.30 GHz
  available frequency steps: 2.30 GHz, 2.10 GHz, 1.80 GHz, 1.60 GHz, 1.40 GHz
  available cpufreq governors: userspace, powersave, conservative, ondemand, performance, schedutil
  current policy: frequency should be within 1.40 GHz and 2.30 GHz.
                  The governor "ondemand" may decide which speed to use
                  within this range.
  current CPU frequency is 1.40 GHz.
  cpufreq stats: 2.30 GHz:0.29%, 2.10 GHz:0.09%, 1.80 GHz:0.14%, 1.60 GHz:0.37%, 1.40 GHz:99.11%  (141)
analyzing CPU 10:
  driver: acpi-cpufreq
  CPUs which run at the same hardware frequency: 10
  CPUs which need to have their frequency coordinated by software: 10
  maximum transition latency: 5.0 us.
  hardware limits: 1.40 GHz - 2.30 GHz
  available frequency steps: 2.30 GHz, 2.10 GHz, 1.80 GHz, 1.60 GHz, 1.40 GHz
  available cpufreq governors: userspace, powersave, conservative, ondemand, performance, schedutil
  current policy: frequency should be within 1.40 GHz and 2.30 GHz.
                  The governor "ondemand" may decide which speed to use
                  within this range.
  current CPU frequency is 1.40 GHz.
  cpufreq stats: 2.30 GHz:0.42%, 2.10 GHz:0.15%, 1.80 GHz:0.39%, 1.60 GHz:0.77%, 1.40 GHz:98.27%  (273)
analyzing CPU 11:
  driver: acpi-cpufreq
  CPUs which run at the same hardware frequency: 11
  CPUs which need to have their frequency coordinated by software: 11
  maximum transition latency: 5.0 us.
  hardware limits: 1.40 GHz - 2.30 GHz
  available frequency steps: 2.30 GHz, 2.10 GHz, 1.80 GHz, 1.60 GHz, 1.40 GHz
  available cpufreq governors: userspace, powersave, conservative, ondemand, performance, schedutil
  current policy: frequency should be within 1.40 GHz and 2.30 GHz.
                  The governor "ondemand" may decide which speed to use
                  within this range.
  current CPU frequency is 1.40 GHz.
  cpufreq stats: 2.30 GHz:0.09%, 2.10 GHz:0.09%, 1.80 GHz:0.18%, 1.60 GHz:0.25%, 1.40 GHz:99.38%  (144)
analyzing CPU 12:
  driver: acpi-cpufreq
  CPUs which run at the same hardware frequency: 12
  CPUs which need to have their frequency coordinated by software: 12
  maximum transition latency: 5.0 us.
  hardware limits: 1.40 GHz - 2.30 GHz
  available frequency steps: 2.30 GHz, 2.10 GHz, 1.80 GHz, 1.60 GHz, 1.40 GHz
  available cpufreq governors: userspace, powersave, conservative, ondemand, performance, schedutil
  current policy: frequency should be within 1.40 GHz and 2.30 GHz.
                  The governor "ondemand" may decide which speed to use
                  within this range.
  current CPU frequency is 1.40 GHz.
  cpufreq stats: 2.30 GHz:0.23%, 2.10 GHz:0.28%, 1.80 GHz:0.28%, 1.60 GHz:0.46%, 1.40 GHz:98.75%  (277)
analyzing CPU 13:
  driver: acpi-cpufreq
  CPUs which run at the same hardware frequency: 13
  CPUs which need to have their frequency coordinated by software: 13
  maximum transition latency: 5.0 us.
  hardware limits: 1.40 GHz - 2.30 GHz
  available frequency steps: 2.30 GHz, 2.10 GHz, 1.80 GHz, 1.60 GHz, 1.40 GHz
  available cpufreq governors: userspace, powersave, conservative, ondemand, performance, schedutil
  current policy: frequency should be within 1.40 GHz and 2.30 GHz.
                  The governor "ondemand" may decide which speed to use
                  within this range.
  current CPU frequency is 1.40 GHz.
  cpufreq stats: 2.30 GHz:0.44%, 2.10 GHz:0.17%, 1.80 GHz:0.10%, 1.60 GHz:0.33%, 1.40 GHz:98.97%  (126)
analyzing CPU 14:
  driver: acpi-cpufreq
  CPUs which run at the same hardware frequency: 14
  CPUs which need to have their frequency coordinated by software: 14
  maximum transition latency: 5.0 us.
  hardware limits: 1.40 GHz - 2.30 GHz
  available frequency steps: 2.30 GHz, 2.10 GHz, 1.80 GHz, 1.60 GHz, 1.40 GHz
  available cpufreq governors: userspace, powersave, conservative, ondemand, performance, schedutil
  current policy: frequency should be within 1.40 GHz and 2.30 GHz.
                  The governor "ondemand" may decide which speed to use
                  within this range.
  current CPU frequency is 1.40 GHz.
  cpufreq stats: 2.30 GHz:0.36%, 2.10 GHz:0.15%, 1.80 GHz:0.59%, 1.60 GHz:0.90%, 1.40 GHz:98.00%  (257)
analyzing CPU 15:
  driver: acpi-cpufreq
  CPUs which run at the same hardware frequency: 15
  CPUs which need to have their frequency coordinated by software: 15
  maximum transition latency: 5.0 us.
  hardware limits: 1.40 GHz - 2.30 GHz
  available frequency steps: 2.30 GHz, 2.10 GHz, 1.80 GHz, 1.60 GHz, 1.40 GHz
  available cpufreq governors: userspace, powersave, conservative, ondemand, performance, schedutil
  current policy: frequency should be within 1.40 GHz and 2.30 GHz.
                  The governor "ondemand" may decide which speed to use
                  within this range.
  current CPU frequency is 1.40 GHz.
  cpufreq stats: 2.30 GHz:0.07%, 2.10 GHz:0.10%, 1.80 GHz:0.12%, 1.60 GHz:0.27%, 1.40 GHz:99.44%  (121)