Re: [Xen-devel] xen acpi cpufreq driver

[Tobias Geiger <tobias.geiger@xxxxxxxxx>]

Am 24.04.2012 19:36, schrieb Konrad Rzeszutek Wilk:
> On Tue, Apr 24, 2012 at 07:04:03PM +0200, Tobias Geiger wrote:
> > Hi,
> >
> > i'm not sure if i understood the new acpi xen cpufreq driver - here's the
> > output when loading  xen_acpi_processor module in linux 3.4:
> >
> > dom0 dmesg:
> >
> > [   32.728151] xen-acpi-processor: (CX): Hypervisor error (-22) for ACPI CPU8
> > [   32.728156] xen-acpi-processor: (CX): Hypervisor error (-22) for ACPI CPU9
> > [   32.728160] xen-acpi-processor: (CX): Hypervisor error (-22) for ACPI CPU10
> > [   32.728164] xen-acpi-processor: (CX): Hypervisor error (-22) for ACPI CPU11
> > [   32.728168] xen-acpi-processor: (CX): Hypervisor error (-22) for ACPI CPU12
> > [   32.728172] xen-acpi-processor: (CX): Hypervisor error (-22) for ACPI CPU13
> > [   32.728176] xen-acpi-processor: (CX): Hypervisor error (-22) for ACPI CPU14
> >
> >
> >
> > xl dmesg:
> >
> > (XEN) Monitor-Mwait will be used to enter C1 state
> > (XEN) Monitor-Mwait will be used to enter C3 state
> > (XEN) no cpu_id for acpi_id 8
> > (XEN) no cpu_id for acpi_id 9
> > (XEN) no cpu_id for acpi_id 10
> > (XEN) no cpu_id for acpi_id 11
> > (XEN) no cpu_id for acpi_id 12
> > (XEN) no cpu_id for acpi_id 13
> > (XEN) no cpu_id for acpi_id 14
> >
> >
> > here the according kernel config:
> >
> > pc:~# zcat /proc/config.gz | grep FREQ
> > CONFIG_CPU_FREQ=y
> > CONFIG_CPU_FREQ_TABLE=y
> > CONFIG_CPU_FREQ_STAT=m
> > # 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=m
> > CONFIG_CPU_FREQ_GOV_USERSPACE=m
> > CONFIG_CPU_FREQ_GOV_ONDEMAND=y
> > CONFIG_CPU_FREQ_GOV_CONSERVATIVE=m
> > CONFIG_X86_PCC_CPUFREQ=m
> > CONFIG_X86_ACPI_CPUFREQ=m
> > # CONFIG_PM_DEVFREQ is not set
> >
> > and of course:
> > CONFIG_XEN_ACPI_PROCESSOR=m
> >
> > xl info:
> > nr_cpus                : 8
> > max_cpu_id             : 15
> > nr_nodes               : 1
> > cores_per_socket       : 4
> > threads_per_core       : 2
> Can you include your xl dmesg and dmesg and as well
> the /sys/firmware/acpi/tables/DSDT and /sys/firmware/acpi/tables/SSDT*
> files please?
>
> Does xenpm work properly?
>
> > Greetings and thanks for clarification!
> > Tobias

xenpm works - at least "xenpm get-cpuidle-states" and "xenpm 
get-cpufreq-states".
here you can find my acpi-tables including "xl dmesg" and "dmesg" output:

http://www.vido.info/stuff/acpi-tables-2.6.34-rc4.tar.bz2

Greetings
Tobias



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