On 04/29/2014 10:26 AM, Viresh Kumar wrote:
> On 29 April 2014 12:47, Mascha Kurpicz <mascha.kurpicz@xxxxxxxx> wrote:
>> Sorry for the imprecision.
>>
>> Works correctly with
>> Ubuntu 12.04.3 LTS - kernel 3.2.0-29-generic
>> Ubuntu 12.04.3 LTS - kernel 3.8.0-29
>> Ubuntu 13.10 - kernel 3.8.0-29-generic
>>
>> 0 or very small (e.g. 6) values with
>> Ubuntu 13.10 - kernel 3.11.0-20-generic
> Can you provide cpufreq-info 's output for the last two cases please?
>
> i.e.
>> Ubuntu 13.10 - kernel 3.8.0-29-generic
user@ubuntu1310:~$ cpufreq-info
cpufrequtils 008: cpufreq-info (C) Dominik Brodowski 2004-2009
Report errors and bugs to cpufreq@xxxxxxxxxxxxxxx, please.
analyzing CPU 0:
driver: acpi-cpufreq
CPUs which run at the same hardware frequency: 0 1 2 3
CPUs which need to have their frequency coordinated by software: 0
maximum transition latency: 10.0 us.
hardware limits: 1.60 GHz - 3.10 GHz
available frequency steps: 3.10 GHz, 2.80 GHz, 2.60 GHz, 2.40 GHz,
2.20 GHz, 2.00 GHz, 1.80 GHz, 1.60 GHz
available cpufreq governors: conservative, ondemand, userspace,
powersave, performance
current policy: frequency should be within 1.60 GHz and 3.10 GHz.
The governor "ondemand" may decide which speed to use
within this range.
current CPU frequency is 1.60 GHz.
cpufreq stats: 3.10 GHz:26.39%, 2.80 GHz:0.13%, 2.60 GHz:0.23%, 2.40
GHz:0.20%, 2.20 GHz:0.20%, 2.00 GHz:0.30%, 1.80 GHz:0.26%, 1.60
GHz:72.28% (1742)
analyzing CPU 1:
driver: acpi-cpufreq
CPUs which run at the same hardware frequency: 0 1 2 3
CPUs which need to have their frequency coordinated by software: 1
maximum transition latency: 10.0 us.
hardware limits: 1.60 GHz - 3.10 GHz
available frequency steps: 3.10 GHz, 2.80 GHz, 2.60 GHz, 2.40 GHz,
2.20 GHz, 2.00 GHz, 1.80 GHz, 1.60 GHz
available cpufreq governors: conservative, ondemand, userspace,
powersave, performance
current policy: frequency should be within 1.60 GHz and 3.10 GHz.
The governor "ondemand" may decide which speed to use
within this range.
current CPU frequency is 1.60 GHz.
cpufreq stats: 3.10 GHz:2.17%, 2.80 GHz:0.04%, 2.60 GHz:0.07%, 2.40
GHz:0.09%, 2.20 GHz:1.06%, 2.00 GHz:0.31%, 1.80 GHz:0.42%, 1.60
GHz:95.84% (2752)
analyzing CPU 2:
driver: acpi-cpufreq
CPUs which run at the same hardware frequency: 0 1 2 3
CPUs which need to have their frequency coordinated by software: 2
maximum transition latency: 10.0 us.
hardware limits: 1.60 GHz - 3.10 GHz
available frequency steps: 3.10 GHz, 2.80 GHz, 2.60 GHz, 2.40 GHz,
2.20 GHz, 2.00 GHz, 1.80 GHz, 1.60 GHz
available cpufreq governors: conservative, ondemand, userspace,
powersave, performance
current policy: frequency should be within 1.60 GHz and 3.10 GHz.
The governor "ondemand" may decide which speed to use
within this range.
current CPU frequency is 1.60 GHz.
cpufreq stats: 3.10 GHz:2.24%, 2.80 GHz:0.00%, 2.60 GHz:0.02%, 2.40
GHz:0.01%, 2.20 GHz:0.01%, 2.00 GHz:0.09%, 1.80 GHz:0.00%, 1.60
GHz:97.63% (431)
analyzing CPU 3:
driver: acpi-cpufreq
CPUs which run at the same hardware frequency: 0 1 2 3
CPUs which need to have their frequency coordinated by software: 3
maximum transition latency: 10.0 us.
hardware limits: 1.60 GHz - 3.10 GHz
available frequency steps: 3.10 GHz, 2.80 GHz, 2.60 GHz, 2.40 GHz,
2.20 GHz, 2.00 GHz, 1.80 GHz, 1.60 GHz
available cpufreq governors: conservative, ondemand, userspace,
powersave, performance
current policy: frequency should be within 1.60 GHz and 3.10 GHz.
The governor "ondemand" may decide which speed to use
within this range.
current CPU frequency is 1.60 GHz.
cpufreq stats: 3.10 GHz:1.49%, 2.80 GHz:0.00%, 2.60 GHz:0.03%, 2.40
GHz:0.03%, 2.20 GHz:0.01%, 2.00 GHz:0.01%, 1.80 GHz:0.01%, 1.60
GHz:98.43% (560)
>> Ubuntu 13.10 - kernel 3.11.0-20-generic
user@ubuntu1310:~$ cpufreq-info
cpufrequtils 008: cpufreq-info (C) Dominik Brodowski 2004-2009
Report errors and bugs to cpufreq@xxxxxxxxxxxxxxx, 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: 10.0 us.
hardware limits: 1.60 GHz - 3.10 GHz
available frequency steps: 3.10 GHz, 2.80 GHz, 2.60 GHz, 2.40 GHz,
2.20 GHz, 2.00 GHz, 1.80 GHz, 1.60 GHz
available cpufreq governors: conservative, ondemand, userspace,
powersave, performance
current policy: frequency should be within 1.60 GHz and 3.10 GHz.
The governor "ondemand" may decide which speed to use
within this range.
current CPU frequency is 1.60 GHz.
cpufreq stats: 3.10 GHz:-nan%, 2.80 GHz:-nan%, 2.60 GHz:-nan%, 2.40
GHz:-nan%, 2.20 GHz:-nan%, 2.00 GHz:-nan%, 1.80 GHz:-nan%, 1.60
GHz:-nan% (75)
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: 10.0 us.
hardware limits: 1.60 GHz - 3.10 GHz
available frequency steps: 3.10 GHz, 2.80 GHz, 2.60 GHz, 2.40 GHz,
2.20 GHz, 2.00 GHz, 1.80 GHz, 1.60 GHz
available cpufreq governors: conservative, ondemand, userspace,
powersave, performance
current policy: frequency should be within 1.60 GHz and 3.10 GHz.
The governor "ondemand" may decide which speed to use
within this range.
current CPU frequency is 1.60 GHz.
cpufreq stats: 3.10 GHz:-nan%, 2.80 GHz:-nan%, 2.60 GHz:-nan%, 2.40
GHz:-nan%, 2.20 GHz:-nan%, 2.00 GHz:-nan%, 1.80 GHz:-nan%, 1.60
GHz:-nan% (71)
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: 10.0 us.
hardware limits: 1.60 GHz - 3.10 GHz
available frequency steps: 3.10 GHz, 2.80 GHz, 2.60 GHz, 2.40 GHz,
2.20 GHz, 2.00 GHz, 1.80 GHz, 1.60 GHz
available cpufreq governors: conservative, ondemand, userspace,
powersave, performance
current policy: frequency should be within 1.60 GHz and 3.10 GHz.
The governor "ondemand" may decide which speed to use
within this range.
current CPU frequency is 1.60 GHz.
cpufreq stats: 3.10 GHz:-nan%, 2.80 GHz:-nan%, 2.60 GHz:-nan%, 2.40
GHz:-nan%, 2.20 GHz:-nan%, 2.00 GHz:-nan%, 1.80 GHz:-nan%, 1.60
GHz:-nan% (16)
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: 10.0 us.
hardware limits: 1.60 GHz - 3.10 GHz
available frequency steps: 3.10 GHz, 2.80 GHz, 2.60 GHz, 2.40 GHz,
2.20 GHz, 2.00 GHz, 1.80 GHz, 1.60 GHz
available cpufreq governors: conservative, ondemand, userspace,
powersave, performance
current policy: frequency should be within 1.60 GHz and 3.10 GHz.
The governor "ondemand" may decide which speed to use
within this range.
current CPU frequency is 1.60 GHz.
cpufreq stats: 3.10 GHz:-nan%, 2.80 GHz:-nan%, 2.60 GHz:-nan%, 2.40
GHz:-nan%, 2.20 GHz:-nan%, 2.00 GHz:-nan%, 1.80 GHz:-nan%, 1.60
GHz:-nan% (6)
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