[Xen-devel] [Fwd: Problems with power management]

[Mike Brady <mike.brady@xxxxxxxxxxxxxx>]

I posted this on the user list but it has been suggested to me that it
may pay to ask on the devel list as well as I didn't get any responses.

Thanks

Mike

-------- Forwarded Message --------
> From: Mike Brady <mike.brady@xxxxxxxxxxxxxx>
> Reply-To: mike.brady@xxxxxxxxxxxxxx
> To: xen-users@xxxxxxxxxxxxxxxxxxx <xen-users@xxxxxxxxxxxxxxxxxxx>
> Subject: Problems with power management
> Date: Sat, 30 May 2009 16:28:11 +1200
> 
> I do not seem to be able to get any where with the power management
> functions. I have had a look at the xenpm Wiki page, but it hasn't
> helped.  Its probably something completely obvious, but I can't see it.
> 
> I running Xen 3.4.0 on Centos 5.3 x86_64 using the gitco RPMs on an
> Intel S5000PSL motherboard with 2 x Xeon 5410s.  Dom0 is running the
> latest Centos 5.3 kernel.
> 
> My xm dmesg output is below followed by the output that I get from the
> xenpm get* commands, which isn't much.
> 
> ============================================
> [root@b52 ~]# xm dmesg
>  __  __            _____ _  _    ___
>  \ \/ /___ _ __   |___ /| || |  / _ \
>   \  // _ \ '_ \    |_ \| || |_| | | |
>   /  \  __/ | | |  ___) |__   _| |_| |
>  /_/\_\___|_| |_| |____(_) |_|(_)___/
> 
> (XEN) Xen version 3.4.0 (root@xxxxxxxxx) (gcc version 4.1.2 20080704
> (Red Hat 4.1.2-44)) Wed May 27 21:53:09 CEST 2009
> (XEN) Latest ChangeSet: unavailable
> (XEN) Command line: cpufreq=xen cpuidle dom0_max_vcpus=1
> dom0_vcpus_pin=true dom0_mem=1024M apic_verbosity=verbose loglvl=all
> (XEN) Video information:
> (XEN)  VGA is text mode 80x25, font 8x16
> (XEN)  VBE/DDC methods: none; EDID transfer time: 2 seconds
> (XEN)  EDID info not retrieved because no DDC retrieval method detected
> (XEN) Disc information:
> (XEN)  Found 2 MBR signatures
> (XEN)  Found 2 EDD information structures
> (XEN) Xen-e820 RAM map:
> (XEN)  0000000000000000 - 000000000009f400 (usable)
> (XEN)  000000000009f400 - 0000000000100000 (reserved)
> (XEN)  0000000000100000 - 000000009e2e1000 (usable)
> (XEN)  000000009e2e1000 - 000000009e3a3000 (ACPI NVS)
> (XEN)  000000009e3a3000 - 000000009fa32000 (usable)
> (XEN)  000000009fa32000 - 000000009fa9a000 (reserved)
> (XEN)  000000009fa9a000 - 000000009faac000 (usable)
> (XEN)  000000009faac000 - 000000009fb1a000 (ACPI NVS)
> (XEN)  000000009fb1a000 - 000000009fb26000 (usable)
> (XEN)  000000009fb26000 - 000000009fb3a000 (ACPI data)
> (XEN)  000000009fb3a000 - 000000009fc00000 (usable)
> (XEN)  000000009fc00000 - 00000000b0000000 (reserved)
> (XEN)  00000000ffc00000 - 00000000ffc0c000 (reserved)
> (XEN)  0000000100000000 - 0000000260000000 (usable)
> (XEN) System RAM: 8185MB (8382412kB)
> (XEN) ACPI: RSDP 000F03C0, 0024 (r2 INTEL )
> (XEN) ACPI: XSDT 9FB39120, 0084 (r1 INTEL  S5000PSL        0 INTL
> 1000013)
> (XEN) ACPI: FACP 9FB37000, 00F4 (r3 INTEL  S5000PSL        0 INTL
> 1000013)
> (XEN) ACPI: DSDT 9FB30000, 57F6 (r2 INTEL  S5000PSL        1 INTL
> 1000013)
> (XEN) ACPI: FACS 9FAAC000, 0040
> (XEN) ACPI: APIC 9FB36000, 00C8 (r1 INTEL  S5000PSL        0 INTL
> 1000013)
> (XEN) ACPI: SPCR 9FB2F000, 0050 (r1 INTEL  S5000PSL        0 INTL
> 1000013)
> (XEN) ACPI: HPET 9FB2E000, 0038 (r1 INTEL  S5000PSL        1 INTL
> 1000013)
> (XEN) ACPI: MCFG 9FB2D000, 003C (r1 INTEL  S5000PSL        1 INTL
> 1000013)
> (XEN) ACPI: SSDT 9FB2C000, 0A14 (r2 INTEL  EIST         4000 INTL
> 1000013)
> (XEN) ACPI: SSDT 9FB2B000, 0193 (r2 INTEL  IPMI         4000 INTL
> 1000013)
> (XEN) ACPI: SSDT 9FB2A000, 00CE (r2 INTEL  CST          4000 INTL
> 1000013)
> (XEN) ACPI: HEST 9FB29000, 00A8 (r1 INTEL  S5000PSL        1 INTL
> 1)
> (XEN) ACPI: BERT 9FB28000, 0030 (r1 INTEL  S5000PSL        1 INTL
> 1)
> (XEN) ACPI: ERST 9FB27000, 0230 (r1 INTEL  S5000PSL        1 INTL
> 1)
> (XEN) ACPI: EINJ 9FB26000, 0130 (r1 INTEL  S5000PSL        1 INTL
> 1)
> (XEN) NUMA turned off
> (XEN) Faking a node at 0000000000000000-0000000260000000
> (XEN) Domain heap initialised
> (XEN) found SMP MP-table at 000fd190
> (XEN) DMI 2.5 present.
> (XEN) Using APIC driver default
> (XEN) ACPI: PM-Timer IO Port: 0x408
> (XEN) ACPI: ACPI SLEEP INFO: pm1x_cnt[404,0], pm1x_evt[400,0]
> (XEN) ACPI:                  wakeup_vec[9faac00c], vec_size[20]
> (XEN) ACPI: Local APIC address 0xfee00000
> (XEN) ACPI: LAPIC (acpi_id[0x00] lapic_id[0x00] enabled)
> (XEN) Processor #0 7:7 APIC version 20
> (XEN) ACPI: LAPIC (acpi_id[0x01] lapic_id[0x02] enabled)
> (XEN) Processor #2 7:7 APIC version 20
> (XEN) ACPI: LAPIC (acpi_id[0x02] lapic_id[0x04] enabled)
> (XEN) Processor #4 7:7 APIC version 20
> (XEN) ACPI: LAPIC (acpi_id[0x03] lapic_id[0x06] enabled)
> (XEN) Processor #6 7:7 APIC version 20
> (XEN) ACPI: LAPIC (acpi_id[0x04] lapic_id[0x01] enabled)
> (XEN) Processor #1 7:7 APIC version 20
> (XEN) ACPI: LAPIC (acpi_id[0x05] lapic_id[0x03] enabled)
> (XEN) Processor #3 7:7 APIC version 20
> (XEN) ACPI: LAPIC (acpi_id[0x06] lapic_id[0x05] enabled)
> (XEN) Processor #5 7:7 APIC version 20
> (XEN) ACPI: LAPIC (acpi_id[0x07] lapic_id[0x07] enabled)
> (XEN) Processor #7 7:7 APIC version 20
> (XEN) ACPI: LAPIC_NMI (acpi_id[0x00] high level lint[0x1])
> (XEN) ACPI: LAPIC_NMI (acpi_id[0x01] high level lint[0x1])
> (XEN) ACPI: LAPIC_NMI (acpi_id[0x02] high level lint[0x1])
> (XEN) ACPI: LAPIC_NMI (acpi_id[0x03] high level lint[0x1])
> (XEN) ACPI: LAPIC_NMI (acpi_id[0x04] high level lint[0x1])
> (XEN) ACPI: LAPIC_NMI (acpi_id[0x05] high level lint[0x1])
> (XEN) ACPI: LAPIC_NMI (acpi_id[0x06] high level lint[0x1])
> (XEN) ACPI: LAPIC_NMI (acpi_id[0x07] high level lint[0x1])
> (XEN) ACPI: IOAPIC (id[0x08] address[0xfec00000] gsi_base[0])
> (XEN) IOAPIC[0]: apic_id 8, version 32, address 0xfec00000, GSI 0-23
> (XEN) ACPI: IOAPIC (id[0x09] address[0xfec80000] gsi_base[24])
> (XEN) IOAPIC[1]: apic_id 9, version 32, address 0xfec80000, GSI 24-47
> (XEN) ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)
> (XEN) ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)
> (XEN) ACPI: IRQ0 used by override.
> (XEN) ACPI: IRQ2 used by override.
> (XEN) ACPI: IRQ9 used by override.
> (XEN) Enabling APIC mode:  Flat.  Using 2 I/O APICs
> (XEN) ACPI: HPET id: 0x8086a201 base: 0xfed00000
> (XEN) Using ACPI (MADT) for SMP configuration information
> (XEN) mapped APIC to ffff828bffffe000 (fee00000)
> (XEN) mapped IOAPIC to ffff828bffffd000 (fec00000)
> (XEN) mapped IOAPIC to ffff828bffffc000 (fec80000)
> (XEN) Using scheduler: SMP Credit Scheduler (credit)
> (XEN) Initializing CPU#0
> (XEN) Detected 2327.591 MHz processor.
> (XEN) CPU: L1 I cache: 32K, L1 D cache: 32K
> (XEN) CPU: L2 cache: 6144K
> (XEN) CPU: Physical Processor ID: 0
> (XEN) CPU: Processor Core ID: 0
> (XEN) VMX: Supported advanced features:
> (XEN)  - APIC MMIO access virtualisation
> (XEN)  - APIC TPR shadow
> (XEN)  - Virtual NMI
> (XEN)  - MSR direct-access bitmap
> (XEN) HVM: VMX enabled
> (XEN) Intel machine check reporting enabled on CPU#0.
> (XEN) CPU0: Thermal monitoring enabled (TM2)
> (XEN) CMCI: CPU0 has no CMCI support
> (XEN) CPU0: Intel(R) Xeon(R) CPU           E5410  @ 2.33GHz stepping 06
> (XEN) enabled ExtINT on CPU#0
> (XEN) Booting processor 1/2 eip 8c000
> (XEN) Initializing CPU#1
> (XEN) masked ExtINT on CPU#1
> (XEN) CPU: L1 I cache: 32K, L1 D cache: 32K
> (XEN) CPU: L2 cache: 6144K
> (XEN) CPU: Physical Processor ID: 0
> (XEN) CPU: Processor Core ID: 2
> (XEN) Intel machine check reporting enabled on CPU#1.
> (XEN) CPU1: Thermal monitoring enabled (TM2)
> (XEN) CMCI: CPU1 has no CMCI support
> (XEN) CPU1: Intel(R) Xeon(R) CPU           E5410  @ 2.33GHz stepping 06
> (XEN) Booting processor 2/4 eip 8c000
> (XEN) Initializing CPU#2
> (XEN) masked ExtINT on CPU#2
> (XEN) CPU: L1 I cache: 32K, L1 D cache: 32K
> (XEN) CPU: L2 cache: 6144K
> (XEN) CPU: Physical Processor ID: 1
> (XEN) CPU: Processor Core ID: 0
> (XEN) Intel machine check reporting enabled on CPU#2.
> (XEN) CPU2: Thermal monitoring enabled (TM2)
> (XEN) CMCI: CPU2 has no CMCI support
> (XEN) CPU2: Intel(R) Xeon(R) CPU           E5410  @ 2.33GHz stepping 06
> (XEN) Booting processor 3/6 eip 8c000
> (XEN) Initializing CPU#3
> (XEN) masked ExtINT on CPU#3
> (XEN) CPU: L1 I cache: 32K, L1 D cache: 32K
> (XEN) CPU: L2 cache: 6144K
> (XEN) CPU: Physical Processor ID: 1
> (XEN) CPU: Processor Core ID: 2
> (XEN) Intel machine check reporting enabled on CPU#3.
> (XEN) CPU3: Thermal monitoring enabled (TM2)
> (XEN) CMCI: CPU3 has no CMCI support
> (XEN) CPU3: Intel(R) Xeon(R) CPU           E5410  @ 2.33GHz stepping 06
> (XEN) Booting processor 4/1 eip 8c000
> (XEN) Initializing CPU#4
> (XEN) masked ExtINT on CPU#4
> (XEN) CPU: L1 I cache: 32K, L1 D cache: 32K
> (XEN) CPU: L2 cache: 6144K
> (XEN) CPU: Physical Processor ID: 0
> (XEN) CPU: Processor Core ID: 1
> (XEN) Intel machine check reporting enabled on CPU#4.
> (XEN) CPU4: Thermal monitoring enabled (TM2)
> (XEN) CMCI: CPU4 has no CMCI support
> (XEN) CPU4: Intel(R) Xeon(R) CPU           E5410  @ 2.33GHz stepping 06
> (XEN) Booting processor 5/3 eip 8c000
> (XEN) Initializing CPU#5
> (XEN) masked ExtINT on CPU#5
> (XEN) CPU: L1 I cache: 32K, L1 D cache: 32K
> (XEN) CPU: L2 cache: 6144K
> (XEN) CPU: Physical Processor ID: 0
> (XEN) CPU: Processor Core ID: 3
> (XEN) Intel machine check reporting enabled on CPU#5.
> (XEN) CPU5: Thermal monitoring enabled (TM2)
> (XEN) CMCI: CPU5 has no CMCI support
> (XEN) CPU5: Intel(R) Xeon(R) CPU           E5410  @ 2.33GHz stepping 06
> (XEN) Booting processor 6/5 eip 8c000
> (XEN) Initializing CPU#6
> (XEN) masked ExtINT on CPU#6
> (XEN) CPU: L1 I cache: 32K, L1 D cache: 32K
> (XEN) CPU: L2 cache: 6144K
> (XEN) CPU: Physical Processor ID: 1
> (XEN) CPU: Processor Core ID: 1
> (XEN) Intel machine check reporting enabled on CPU#6.
> (XEN) CPU6: Thermal monitoring enabled (TM2)
> (XEN) CMCI: CPU6 has no CMCI support
> (XEN) CPU6: Intel(R) Xeon(R) CPU           E5410  @ 2.33GHz stepping 06
> (XEN) Booting processor 7/7 eip 8c000
> (XEN) Initializing CPU#7
> (XEN) masked ExtINT on CPU#7
> (XEN) CPU: L1 I cache: 32K, L1 D cache: 32K
> (XEN) CPU: L2 cache: 6144K
> (XEN) CPU: Physical Processor ID: 1
> (XEN) CPU: Processor Core ID: 3
> (XEN) Intel machine check reporting enabled on CPU#7.
> (XEN) CPU7: Thermal monitoring enabled (TM2)
> (XEN) CMCI: CPU7 has no CMCI support
> (XEN) CPU7: Intel(R) Xeon(R) CPU           E5410  @ 2.33GHz stepping 06
> (XEN) Total of 8 processors activated.
> (XEN) ENABLING IO-APIC IRQs
> (XEN)  -> Using new ACK method
> (XEN) init IO_APIC IRQs
> (XEN)  IO-APIC (apicid-pin) 8-0, 8-16, 8-17, 8-18, 8-19, 8-20, 8-21,
> 8-22, 8-23, 9-0, 9-1, 9-2, 9-3, 9-4, 9-5, 9-6, 9-7, 9-8, 9-9, 9-10,
> 9-11, 9-12, 9-13, 9-14, 9-15, 9-16, 9-17, 9-18, 9-19, 9-20, 9-21, 9-22,
> 9-23 not connected.
> (XEN) ..TIMER: vector=0xF0 apic1=0 pin1=2 apic2=-1 pin2=-1
> (XEN) number of MP IRQ sources: 15.
> (XEN) number of IO-APIC #8 registers: 24.
> (XEN) number of IO-APIC #9 registers: 24.
> (XEN) testing the IO APIC.......................
> (XEN) IO APIC #8......
> (XEN) .... register #00: 08000000
> (XEN) .......    : physical APIC id: 08
> (XEN) .......    : Delivery Type: 0
> (XEN) .......    : LTS          : 0
> (XEN) .... register #01: 00170020
> (XEN) .......     : max redirection entries: 0017
> (XEN) .......     : PRQ implemented: 0
> (XEN) .......     : IO APIC version: 0020
> (XEN) .... IRQ redirection table:
> (XEN)  NR Log Phy Mask Trig IRR Pol Stat Dest Deli Vect:
> (XEN)  00 000 00  1    0    0   0   0    0    0    00
> (XEN)  01 001 01  0    0    0   0   0    1    1    20
> (XEN)  02 001 01  0    0    0   0   0    1    1    F0
> (XEN)  03 001 01  0    0    0   0   0    1    1    28
> (XEN)  04 001 01  0    0    0   0   0    1    1    30
> (XEN)  05 001 01  0    0    0   0   0    1    1    38
> (XEN)  06 001 01  0    0    0   0   0    1    1    40
> (XEN)  07 001 01  0    0    0   0   0    1    1    48
> (XEN)  08 001 01  0    0    0   0   0    1    1    50
> (XEN)  09 001 01  1    1    0   0   0    1    1    58
> (XEN)  0a 001 01  0    0    0   0   0    1    1    60
> (XEN)  0b 001 01  0    0    0   0   0    1    1    68
> (XEN)  0c 001 01  0    0    0   0   0    1    1    70
> (XEN)  0d 001 01  0    0    0   0   0    1    1    78
> (XEN)  0e 001 01  0    0    0   0   0    1    1    88
> (XEN)  0f 001 01  0    0    0   0   0    1    1    90
> (XEN)  10 000 00  1    0    0   0   0    0    0    00
> (XEN)  11 000 00  1    0    0   0   0    0    0    00
> (XEN)  12 000 00  1    0    0   0   0    0    0    00
> (XEN)  13 000 00  1    0    0   0   0    0    0    00
> (XEN)  14 000 00  1    0    0   0   0    0    0    00
> (XEN)  15 000 00  1    0    0   0   0    0    0    00
> (XEN)  16 000 00  1    0    0   0   0    0    0    00
> (XEN)  17 000 00  1    0    0   0   0    0    0    00
> (XEN) IO APIC #9......
> (XEN) .... register #00: 09000000
> (XEN) .......    : physical APIC id: 09
> (XEN) .......    : Delivery Type: 0
> (XEN) .......    : LTS          : 0
> (XEN) .... register #01: 00178020
> (XEN) .......     : max redirection entries: 0017
> (XEN) .......     : PRQ implemented: 1
> (XEN) .......     : IO APIC version: 0020
> (XEN) .... register #02: 09000000
> (XEN) .......     : arbitration: 09
> (XEN) .... register #03: 00000001
> (XEN) .......     : Boot DT    : 1
> (XEN) .... IRQ redirection table:
> (XEN)  NR Log Phy Mask Trig IRR Pol Stat Dest Deli Vect:
> (XEN)  00 000 00  1    0    0   0   0    0    0    00
> (XEN)  01 000 00  1    0    0   0   0    0    0    00
> (XEN)  02 000 00  1    0    0   0   0    0    0    00
> (XEN)  03 000 00  1    0    0   0   0    0    0    00
> (XEN)  04 000 00  1    0    0   0   0    0    0    00
> (XEN)  05 000 00  1    0    0   0   0    0    0    00
> (XEN)  06 000 00  1    0    0   0   0    0    0    00
> (XEN)  07 000 00  1    0    0   0   0    0    0    00
> (XEN)  08 000 00  1    0    0   0   0    0    0    00
> (XEN)  09 000 00  1    0    0   0   0    0    0    00
> (XEN)  0a 000 00  1    0    0   0   0    0    0    00
> (XEN)  0b 000 00  1    0    0   0   0    0    0    00
> (XEN)  0c 000 00  1    0    0   0   0    0    0    00
> (XEN)  0d 000 00  1    0    0   0   0    0    0    00
> (XEN)  0e 000 00  1    0    0   0   0    0    0    00
> (XEN)  0f 000 00  1    0    0   0   0    0    0    00
> (XEN)  10 000 00  1    0    0   0   0    0    0    00
> (XEN)  11 000 00  1    0    0   0   0    0    0    00
> (XEN)  12 000 00  1    0    0   0   0    0    0    00
> (XEN)  13 000 00  1    0    0   0   0    0    0    00
> (XEN)  14 000 00  1    0    0   0   0    0    0    00
> (XEN)  15 000 00  1    0    0   0   0    0    0    00
> (XEN)  16 000 00  1    0    0   0   0    0    0    00
> (XEN)  17 000 00  1    0    0   0   0    0    0    00
> (XEN) Using vector-based indexing
> (XEN) IRQ to pin mappings:
> (XEN) IRQ240 -> 0:2
> (XEN) IRQ32 -> 0:1
> (XEN) IRQ40 -> 0:3
> (XEN) IRQ48 -> 0:4
> (XEN) IRQ56 -> 0:5
> (XEN) IRQ64 -> 0:6
> (XEN) IRQ72 -> 0:7
> (XEN) IRQ80 -> 0:8
> (XEN) IRQ88 -> 0:9
> (XEN) IRQ96 -> 0:10
> (XEN) IRQ104 -> 0:11
> (XEN) IRQ112 -> 0:12
> (XEN) IRQ120 -> 0:13
> (XEN) IRQ136 -> 0:14
> (XEN) IRQ144 -> 0:15
> (XEN) .................................... done.
> (XEN) Using local APIC timer interrupts.
> (XEN) calibrating APIC timer ...
> (XEN) ..... CPU clock speed is 2327.5697 MHz.
> (XEN) ..... host bus clock speed is 332.5098 MHz.
> (XEN) ..... bus_scale = 0x00015489
> (XEN) checking TSC synchronization across 8 CPUs: passed.
> (XEN) Platform timer is 14.318MHz HPET
> (XEN) Brought up 8 CPUs
> (XEN) I/O virtualisation disabled
> (XEN) HPET: 3 timers in total, 0 timers will be used for broadcast
> (XEN) ACPI sleep modes: S3
> (XEN) mcheck_poll: Machine check polling timer started.
> (XEN) *** LOADING DOMAIN 0 ***
> (XEN)  Xen  kernel: 64-bit, lsb, compat32
> (XEN)  Dom0 kernel: 64-bit, lsb, paddr 0xffffffff80200000 ->
> 0xffffffff8074310c
> (XEN) PHYSICAL MEMORY ARRANGEMENT:
> (XEN)  Dom0 alloc.:   0000000256000000->0000000258000000 (253952 pages
> to be allocated)
> (XEN) VIRTUAL MEMORY ARRANGEMENT:
> (XEN)  Loaded kernel: ffffffff80200000->ffffffff8074310c
> (XEN)  Init. ramdisk: ffffffff80744000->ffffffff80f63a00
> (XEN)  Phys-Mach map: ffffffff80f64000->ffffffff81164000
> (XEN)  Start info:    ffffffff81164000->ffffffff811644b4
> (XEN)  Page tables:   ffffffff81165000->ffffffff81172000
> (XEN)  Boot stack:    ffffffff81172000->ffffffff81173000
> (XEN)  TOTAL:         ffffffff80000000->ffffffff81400000
> (XEN)  ENTRY ADDRESS: ffffffff80200000
> (XEN) Dom0 has maximum 1 VCPUs
> (XEN) Scrubbing Free
> RAM: 
> ......................................................................done.
> (XEN) Xen trace buffers: disabled
> (XEN) Std. Loglevel: All
> (XEN) Guest Loglevel: Nothing (Rate-limited: Errors and warnings)
> (XEN) Xen is relinquishing VGA console.
> (XEN) *** Serial input -> DOM0 (type 'CTRL-a' three times to switch
> input to Xen)
> (XEN) Freed 124kB init memory.
> 
> ============================================
> 
> [root@b52 ~]# xenpm get-cpuidle-states
> Max C-state: C7
> 
> cpu id               : 0
> total C-states       : 0
> idle time(ms)        : 0
> 
> cpu id               : 1
> total C-states       : 0
> idle time(ms)        : 0
> 
> cpu id               : 2
> total C-states       : 0
> idle time(ms)        : 0
> 
> cpu id               : 3
> total C-states       : 0
> idle time(ms)        : 0
> 
> cpu id               : 4
> total C-states       : 0
> idle time(ms)        : 0
> 
> cpu id               : 5
> total C-states       : 0
> idle time(ms)        : 0
> 
> cpu id               : 6
> total C-states       : 0
> idle time(ms)        : 0
> 
> cpu id               : 7
> total C-states       : 0
> idle time(ms)        : 0
> 
> [root@b52 ~]# xenpm get-cpufreq-states
> [root@b52 ~]# 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
> [CPU4] failed to get cpufreq parameter
> [CPU5] failed to get cpufreq parameter
> [CPU6] failed to get cpufreq parameter
> [CPU7] failed to get cpufreq parameter
> 
> 
> Thanks
> 
> Mike


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