11:52 p.m.
On Thursday 2015-03-26 19:39, Jan Engelhardt wrote:
Using powertop v2.7-28-g3f5bccb, combined with the following
CPU/system:
[some intel i7-3930K]
# powertop
<Frequency Stats tab>:
Package | Core | CPU 0 CPU 1
| | Actual 3.4 GHz 3.4 GHz
Idle 100.0% | Idle 100.0% | Idle 100.0% 100.0%
| Core | CPU 2 CPU 3
| | Actual 3.4 GHz 3.4 GHz
| Idle 100.0% | Idle 100.0% 100.0%
| Core | CPU 4 CPU 5
| | Actual 3.4 GHz 3.4 GHz
| Idle 100.0% | Idle 100.0% 100.0%
| Core | CPU 6 CPU 7
| | Actual 3.4 GHz 3.4 GHz
| Idle 100.0% | Idle 100.0% 100.0%
| Core | CPU 8 CPU 9
| | Actual 3.4 GHz 3.4 GHz
| Idle 100.0% | Idle 100.0% 100.0%
This appears fixed when using Linux 4.3.
Both powertop 2.6 and 2.8 show useful info then.
Package | Core | CPU 0 CPU 1
| | Actual 1325 MHz 1331 MHz
Idle 0.3% | Idle 9.5% | Idle 27.1% 28.7%
3.81 GHz 1.2% | 3.81 GHz 0.9% | 3.81 GHz 0.9% 1.5%
3.50 GHz 0.1% | 3.50 GHz 0.1% | 3.50 GHz 0.1% 0.8%
3.60 GHz 0.0% | 3.60 GHz 0.0% | 3.60 GHz 0.0% 10.0%
3.31 GHz 0.0% | 3.31 GHz 0.0% | 3.31 GHz 0.0% 25.9%
3.00 GHz 0.0% | 3.00 GHz 0.0% | 3.00 GHz 0.0% 2.4%
1200 MHz 3.1% | 1200 MHz 1.9% | 1200 MHz 1.0% 1.1%
1.71 GHz 2.8% | 1.71 GHz 2.5% | 1.71 GHz 1.5% 8.4%
1400 MHz 16.8% | 1400 MHz 16.6% | 1400 MHz 14.6% 13.1%
2.31 GHz 1.0% | 2.31 GHz 0.9% | 2.31 GHz 0.7% 7.6%
2.21 GHz 0.0% | 2.21 GHz 0.0% | 2.21 GHz 0.0% 0.5%
1.91 GHz 10.0% | 1.91 GHz 10.0% | 1.91 GHz 5.9%
1300 MHz 36.4% | 1300 MHz 33.2% | 1300 MHz 29.2%
1.80 GHz 1.2% | 1.80 GHz 1.1% | 1.60 GHz 7.8%
1500 MHz 15.6% | 1500 MHz 12.8% | 1500 MHz 10.1%
1.60 GHz 10.9% | 1.60 GHz 9.9% | 1.80 GHz 0.6%
2.00 GHz 0.5% | 2.00 GHz 0.5% | 2.00 GHz 0.5%
[...]
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Jan Engelhardt