From: Tobias Geiger <tobias.geiger@vido.info>
To: xen-devel@lists.xen.org
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Subject: xen acpi cpufreq driver
Date: Tue, 24 Apr 2012 19:04:03 +0200 [thread overview]
Message-ID: <201204241904.03726.tobias.geiger@vido.info> (raw)
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
Greetings and thanks for clarification!
Tobias
next reply other threads:[~2012-04-24 17:04 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-04-24 17:04 Tobias Geiger [this message]
2012-04-24 17:36 ` xen acpi cpufreq driver Konrad Rzeszutek Wilk
2012-04-24 23:28 ` Tobias Geiger
2012-04-26 18:25 ` Konrad Rzeszutek Wilk
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