Re: [Xen-users] Problem with Xen-4.1.3 and Linux-3.1.0-rc9+ and Xenpm

[Pasi Kärkkäinen <pasik@xxxxxx>]

On Mon, Aug 27, 2012 at 10:54:52PM +0200, MAYAP KAMGA Christine larissa wrote:
> Hello
> 
> After compiling my own Dom0 (Linux 3.1.0-rc9+) with Xen-4.1.3; i'm
> unable to access the cpufreq-parameter.
> # xenpm get-cpufreq-para
> [CPU0] failed to get cpufreq parameter
> [CPU1] failed to get cpufreq parameter
> [CPU2] failed to get cpufreq parameter
> [CPU3] failed to get cpufreq parameter
> 

Linux 3.1 does not have xen-acpi-processor driver.
Also why do you use such a weird version 3.1.0-rc9 ? 

Try latest 3.4.x kernel, it has xen-acpi-processor driver, which is required 
for cpufreq stuff.


-- Pasi

> Though:
>  xenpm get-cpuidle
> Max C-state: C7
> 
> cpu id               : 0
> total C-states       : 2
> idle time(ms)        : 2241054
> C0                   : transition [00000000000000000001]
>                        residency  [00000000000000009733 ms]
> C1                   : transition [00000000000000000001]
>                        residency  [00000000000002241054 ms]
> pc3                  : [00000000000000000000 ms]
> pc6                  : [00000000000000000000 ms]
> pc7                  : [00000000000000000000 ms]
> cc3                  : [00000000000000000000 ms]
> cc6                  : [00000000000000000000 ms]
> 
> cpu id               : 1
> total C-states       : 2
> idle time(ms)        : 2247721
> C0                   : transition [00000000000000000001]
>                        residency  [00000000000000003066 ms]
> C1                   : transition [00000000000000000001]
>                        residency  [00000000000002247721 ms]
> pc3                  : [00000000000000000000 ms]
> pc6                  : [00000000000000000000 ms]
> pc7                  : [00000000000000000000 ms]
> cc3                  : [00000000000000000000 ms]
> cc6                  : [00000000000000000000 ms]
> .........
> .........
> 
> #cat /boot/config-3.1.0-rc9+  | grep CPU_FREQ
> CONFIG_CPU_FREQ=y
> CONFIG_CPU_FREQ_TABLE=y
> CONFIG_CPU_FREQ_STAT=y
> # CONFIG_CPU_FREQ_STAT_DETAILS is not set
> # CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE is not set
> # CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE is not set
> CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND=y
> # CONFIG_CPU_FREQ_DEFAULT_GOV_CONSERVATIVE is not set
> CONFIG_CPU_FREQ_GOV_PERFORMANCE=y
> CONFIG_CPU_FREQ_GOV_POWERSAVE=y
> CONFIG_CPU_FREQ_GOV_USERSPACE=y
> CONFIG_CPU_FREQ_GOV_ONDEMAND=y
> CONFIG_CPU_FREQ_GOV_CONSERVATIVE=y
> 
> #xl list
> Name                                        ID   Mem
> VCPUs State   Time(s)
> Domain-0                                     0   976     4
> r-----    20.7
> 
> 
> 
> Furthermore, i'm able to access the frequency scaling information
> when booting only on Linux-3.1.0-rc9+ ( i means, whithout the
> hypervisor).
> What can be the problem?
> 
> 
> Regards
> 
> 
> _______________________________________________
> Xen-users mailing list
> Xen-users@xxxxxxxxxxxxx
> http://lists.xen.org/xen-users

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