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Old 10-29-2011, 03:09 PM
Benjamin
 
Default irqbalance in fedora15
Hi,



I want to configure irqbalance on both cpus.I have 2 lan interface
one is wan and second is lan , currently i have 2 cpu and wan is
falling on cpu0 and lan is also falling on cpu0.And now i want to
set both interface should be fall on both cpus.



How to do it?



cat /proc/cpuinfo

processor*** : 0

vendor_id*** : GenuineIntel

cpu family*** : 6

model*** *** : 23

model name*** : Intel(R) Core(TM)2 CPU******** E7500* @ 2.93GHz

stepping*** : 10

cpu MHz*** *** : 2933.727

cache size*** : 3072 KB

physical id*** : 0

siblings*** : 2

core id*** *** : 0

cpu cores*** : 2

apicid*** *** : 0

initial apicid*** : 0

fdiv_bug*** : no

hlt_bug*** *** : no

f00f_bug*** : no

coma_bug*** : no

fpu*** *** : yes

fpu_exception*** : yes

cpuid level*** : 13

wp*** *** : yes

flags*** *** : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge
mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe
nx lm constant_tsc arch_perfmon pebs bts aperfmperf pni monitor tm2
ssse3 lahf_lm dts

bogomips*** : 5867.45

clflush size*** : 64

cache_alignment*** : 64

address sizes*** : 36 bits physical, 48 bits virtual

power management:



processor*** : 1

vendor_id*** : GenuineIntel

cpu family*** : 6

model*** *** : 23

model name*** : Intel(R) Core(TM)2 CPU******** E7500* @ 2.93GHz

stepping*** : 10

cpu MHz*** *** : 2933.727

cache size*** : 3072 KB

physical id*** : 0

siblings*** : 2

core id*** *** : 1

cpu cores*** : 2

apicid*** *** : 1

initial apicid*** : 1

fdiv_bug*** : no

hlt_bug*** *** : no

f00f_bug*** : no

coma_bug*** : no

fpu*** *** : yes

fpu_exception*** : yes

cpuid level*** : 13

wp*** *** : yes

flags*** *** : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge
mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe
nx lm constant_tsc arch_perfmon pebs bts aperfmperf pni monitor tm2
ssse3 lahf_lm dts

bogomips*** : 5866.47

clflush size*** : 64

cache_alignment*** : 64

address sizes*** : 36 bits physical, 48 bits virtual

power management:





cat /proc/interrupts

*********** CPU0****** CPU1******

** 0:******* 258******* 743** IO-APIC-edge***** timer

** 1:******* 653******* 651** IO-APIC-edge***** i8042

** 8:*** 1798940*** 2243825** IO-APIC-edge***** rtc0

** 9:********* 0********* 0** IO-APIC-fasteoi** acpi

* 12:****** 5479******** 68** IO-APIC-edge***** i8042

* 14:********* 0********* 0** IO-APIC-edge***** ata_piix

* 15:********* 0********* 0** IO-APIC-edge***** ata_piix

* 16:********* 0********* 0** IO-APIC-fasteoi** uhci_hcd:usb5

* 18:********* 0********* 0** IO-APIC-fasteoi** uhci_hcd:usb4

* 19:**** 465089**** 466793** IO-APIC-fasteoi** ata_piix,
uhci_hcd:usb3

* 21:****** 8153*** 2619593** IO-APIC-fasteoi** p2p1

* 23:********* 0********* 0** IO-APIC-fasteoi** ehci_hcd:usb1,
uhci_hcd:usb2

* 40:********* 0********* 0** PCI-MSI-edge***** PCIe PME

* 41:********* 0********* 0** PCI-MSI-edge***** PCIe PME, pciehp

* 42:********* 0********* 0** PCI-MSI-edge***** PCIe PME, pciehp

* 43:******* 138******* 330** PCI-MSI-edge***** i915

* 44:*** 7261040******* 445** PCI-MSI-edge***** p10p1

* 45:******* 143******* 147** PCI-MSI-edge***** hda_intel

*NMI:******* 876******* 739** Non-maskable interrupts

*LOC:*** 5102916*** 3854827** Local timer interrupts

*SPU:********* 0********* 0** Spurious interrupts

*PMI:******* 876******* 739** Performance monitoring interrupts

*IWI:********* 0********* 0** IRQ work interrupts

*RES:****** 5645****** 5530** Rescheduling interrupts

*CAL:****** 1424****** 1909** Function call interrupts

*TLB:***** 24029***** 20181** TLB shootdowns

*TRM:********* 0********* 0** Thermal event interrupts

*THR:********* 0********* 0** Threshold APIC interrupts

*MCE:********* 0********* 0** Machine check exceptions

*MCP:******* 883******* 883** Machine check polls

*ERR:********* 1

*MIS:********* 0



Regards,

Benjamin





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Old 10-29-2011, 08:06 PM
Gilboa Davara
 
Default irqbalance in fedora15
Actually, in my experience you'd want each device (or actually each irq - especially in the case of multi-queue device) *to fall squarely on one CPU core by manually setting the irq_affinity.

I place very little faith on automated irq balancing.



- Gilboa

On Saturday, October 29, 2011, Benjamin <benjo11111@gmail.com> wrote:
> Hi,
>
> I want to configure irqbalance on both cpus.I have 2 lan interface one is wan and second is lan , currently i have 2 cpu and wan is falling on cpu0 and lan is also falling on cpu0.And now i want to set both interface should be fall on both cpus.

>
> How to do it?
>
> cat /proc/cpuinfo
> processor*** : 0
> vendor_id*** : GenuineIntel
> cpu family*** : 6
> model*** *** : 23
> model name*** : Intel(R) Core(TM)2 CPU******** E7500* @ 2.93GHz

> stepping*** : 10
> cpu MHz*** *** : 2933.727
> cache size*** : 3072 KB
> physical id*** : 0
> siblings*** : 2
> core id*** *** : 0
> cpu cores*** : 2
> apicid*** *** : 0
> initial apicid*** : 0

> fdiv_bug*** : no
> hlt_bug*** *** : no
> f00f_bug*** : no
> coma_bug*** : no
> fpu*** *** : yes
> fpu_exception*** : yes
> cpuid level*** : 13
> wp*** *** : yes
> flags*** *** : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe nx lm constant_tsc arch_perfmon pebs bts aperfmperf pni monitor tm2 ssse3 lahf_lm dts

> bogomips*** : 5867.45
> clflush size*** : 64
> cache_alignment*** : 64
> address sizes*** : 36 bits physical, 48 bits virtual
> power management:
>
> processor*** : 1
> vendor_id*** : GenuineIntel

> cpu family*** : 6
> model*** *** : 23
> model name*** : Intel(R) Core(TM)2 CPU******** E7500* @ 2.93GHz
> stepping*** : 10
> cpu MHz*** *** : 2933.727
> cache size*** : 3072 KB
> physical id*** : 0

> siblings*** : 2
> core id*** *** : 1
> cpu cores*** : 2
> apicid*** *** : 1
> initial apicid*** : 1
> fdiv_bug*** : no
> hlt_bug*** *** : no
> f00f_bug*** : no
> coma_bug*** : no

> fpu*** *** : yes
> fpu_exception*** : yes
> cpuid level*** : 13
> wp*** *** : yes
> flags*** *** : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe nx lm constant_tsc arch_perfmon pebs bts aperfmperf pni monitor tm2 ssse3 lahf_lm dts

> bogomips*** : 5866.47
> clflush size*** : 64
> cache_alignment*** : 64
> address sizes*** : 36 bits physical, 48 bits virtual
> power management:
>
>
> cat /proc/interrupts

> *********** CPU0****** CPU1******
> ** 0:******* 258******* 743** IO-APIC-edge***** timer
> ** 1:******* 653******* 651** IO-APIC-edge***** i8042
> ** 8:*** 1798940*** 2243825** IO-APIC-edge***** rtc0

> ** 9:********* 0********* 0** IO-APIC-fasteoi** acpi
> * 12:****** 5479******** 68** IO-APIC-edge***** i8042
> * 14:********* 0********* 0** IO-APIC-edge***** ata_piix
> * 15:********* 0********* 0** IO-APIC-edge***** ata_piix

> * 16:********* 0********* 0** IO-APIC-fasteoi** uhci_hcd:usb5
> * 18:********* 0********* 0** IO-APIC-fasteoi** uhci_hcd:usb4
> * 19:**** 465089**** 466793** IO-APIC-fasteoi** ata_piix, uhci_hcd:usb3
> * 21:****** 8153*** 2619593** IO-APIC-fasteoi** p2p1

> * 23:********* 0********* 0** IO-APIC-fasteoi** ehci_hcd:usb1, uhci_hcd:usb2
> * 40:********* 0********* 0** PCI-MSI-edge***** PCIe PME
> * 41:********* 0********* 0** PCI-MSI-edge***** PCIe PME, pciehp

> * 42:********* 0********* 0** PCI-MSI-edge***** PCIe PME, pciehp
> * 43:******* 138******* 330** PCI-MSI-edge***** i915
> * 44:*** 7261040******* 445** PCI-MSI-edge***** p10p1
> * 45:******* 143******* 147** PCI-MSI-edge***** hda_intel

> *NMI:******* 876******* 739** Non-maskable interrupts
> *LOC:*** 5102916*** 3854827** Local timer interrupts
> *SPU:********* 0********* 0** Spurious interrupts
> *PMI:******* 876******* 739** Performance monitoring interrupts

> *IWI:********* 0********* 0** IRQ work interrupts
> *RES:****** 5645****** 5530** Rescheduling interrupts
> *CAL:****** 1424****** 1909** Function call interrupts
> *TLB:***** 24029***** 20181** TLB shootdowns

> *TRM:********* 0********* 0** Thermal event interrupts
> *THR:********* 0********* 0** Threshold APIC interrupts
> *MCE:********* 0********* 0** Machine check exceptions
> *MCP:******* 883******* 883** Machine check polls

> *ERR:********* 1
> *MIS:********* 0
>
> Regards,
> Benjamin
>
>

--
Sent from my Samsung Galaxy S2

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Old 10-30-2011, 05:58 AM
Benjamin
 
Default irqbalance in fedora15
Yes, I want to set manually irq afinity for my lan interface on
multiple cpus.



How to do it?



Benjo

Actually, in my experience you'd want each device (or
actually each irq - especially in the case of multi-queue device)
*to fall squarely on one CPU core by manually setting the
irq_affinity.



I place very little faith on automated irq balancing.





- Gilboa



On Saturday, October 29, 2011, Benjamin <benjo11111@gmail.com>
wrote:

> Hi,

>

> I want to configure irqbalance on both cpus.I have 2 lan
interface one is wan and second is lan , currently i have 2 cpu
and wan is falling on cpu0 and lan is also falling on cpu0.And now
i want to set both interface should be fall on both cpus.

>

> How to do it?

>

> cat /proc/cpuinfo

> processor*** : 0

> vendor_id*** : GenuineIntel

> cpu family*** : 6

> model*** *** : 23

> model name*** : Intel(R) Core(TM)2 CPU******** E7500* @
2.93GHz

> stepping*** : 10

> cpu MHz*** *** : 2933.727

> cache size*** : 3072 KB

> physical id*** : 0

> siblings*** : 2

> core id*** *** : 0

> cpu cores*** : 2

> apicid*** *** : 0

> initial apicid*** : 0

> fdiv_bug*** : no

> hlt_bug*** *** : no

> f00f_bug*** : no

> coma_bug*** : no

> fpu*** *** : yes

> fpu_exception*** : yes

> cpuid level*** : 13

> wp*** *** : yes

> flags*** *** : fpu vme de pse tsc msr pae mce cx8 apic sep
mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss
ht tm pbe nx lm constant_tsc arch_perfmon pebs bts aperfmperf pni
monitor tm2 ssse3 lahf_lm dts

> bogomips*** : 5867.45

> clflush size*** : 64

> cache_alignment*** : 64

> address sizes*** : 36 bits physical, 48 bits virtual

> power management:

>

> processor*** : 1

> vendor_id*** : GenuineIntel

> cpu family*** : 6

> model*** *** : 23

> model name*** : Intel(R) Core(TM)2 CPU******** E7500* @
2.93GHz

> stepping*** : 10

> cpu MHz*** *** : 2933.727

> cache size*** : 3072 KB

> physical id*** : 0

> siblings*** : 2

> core id*** *** : 1

> cpu cores*** : 2

> apicid*** *** : 1

> initial apicid*** : 1

> fdiv_bug*** : no

> hlt_bug*** *** : no

> f00f_bug*** : no

> coma_bug*** : no

> fpu*** *** : yes

> fpu_exception*** : yes

> cpuid level*** : 13

> wp*** *** : yes

> flags*** *** : fpu vme de pse tsc msr pae mce cx8 apic sep
mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss
ht tm pbe nx lm constant_tsc arch_perfmon pebs bts aperfmperf pni
monitor tm2 ssse3 lahf_lm dts

> bogomips*** : 5866.47

> clflush size*** : 64

> cache_alignment*** : 64

> address sizes*** : 36 bits physical, 48 bits virtual

> power management:

>

>

> cat /proc/interrupts

> *********** CPU0****** CPU1******

> ** 0:******* 258******* 743** IO-APIC-edge***** timer

> ** 1:******* 653******* 651** IO-APIC-edge***** i8042

> ** 8:*** 1798940*** 2243825** IO-APIC-edge***** rtc0

> ** 9:********* 0********* 0** IO-APIC-fasteoi** acpi

> * 12:****** 5479******** 68** IO-APIC-edge***** i8042

> * 14:********* 0********* 0** IO-APIC-edge***** ata_piix

> * 15:********* 0********* 0** IO-APIC-edge***** ata_piix

> * 16:********* 0********* 0** IO-APIC-fasteoi** uhci_hcd:usb5

> * 18:********* 0********* 0** IO-APIC-fasteoi** uhci_hcd:usb4

> * 19:**** 465089**** 466793** IO-APIC-fasteoi** ata_piix,
uhci_hcd:usb3

> * 21:****** 8153*** 2619593** IO-APIC-fasteoi** p2p1

> * 23:********* 0********* 0** IO-APIC-fasteoi**
ehci_hcd:usb1, uhci_hcd:usb2

> * 40:********* 0********* 0** PCI-MSI-edge***** PCIe PME

> * 41:********* 0********* 0** PCI-MSI-edge***** PCIe PME,
pciehp

> * 42:********* 0********* 0** PCI-MSI-edge***** PCIe PME,
pciehp

> * 43:******* 138******* 330** PCI-MSI-edge***** i915

> * 44:*** 7261040******* 445** PCI-MSI-edge***** p10p1

> * 45:******* 143******* 147** PCI-MSI-edge***** hda_intel

> *NMI:******* 876******* 739** Non-maskable interrupts

> *LOC:*** 5102916*** 3854827** Local timer interrupts

> *SPU:********* 0********* 0** Spurious interrupts

> *PMI:******* 876******* 739** Performance monitoring
interrupts

> *IWI:********* 0********* 0** IRQ work interrupts

> *RES:****** 5645****** 5530** Rescheduling interrupts

> *CAL:****** 1424****** 1909** Function call interrupts

> *TLB:***** 24029***** 20181** TLB shootdowns

> *TRM:********* 0********* 0** Thermal event interrupts

> *THR:********* 0********* 0** Threshold APIC interrupts

> *MCE:********* 0********* 0** Machine check exceptions

> *MCP:******* 883******* 883** Machine check polls

> *ERR:********* 1

> *MIS:********* 0

>

> Regards,

> Benjamin

>

>



--

Sent from my Samsung Galaxy S2






--
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