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多核系统的中断分配

分类： LINUX

2011-06-16 22:47:39

1，实例

a, AMD双核

-----------------------------------------------------------------------------------------------

#cat /proc/cpuinfo

processor : 0

vendor_id : AuthenticAMD

cpu family : 15

model : 107

model name : AMD Athlon(tm) 64 X2 Dual Core Processor 5000+

-----------------------------------------------------------------------------------------------

#cat /proc/interrupts

CPU0 CPU1

0: 46 4 IO-APIC-edge timer

1: 341 271 IO-APIC-edge i8042

4: 0 2 IO-APIC-edge

6: 2135 589 IO-APIC-edge floppy

7: 1 0 IO-APIC-edge parport0

8: 0 1 IO-APIC-edge rtc0

9: 0 0 IO-APIC-fasteoi acpi

12: 1354 4565 IO-APIC-edge i8042

14: 47 14372 IO-APIC-edge pata_atiixp

15: 0 0 IO-APIC-edge pata_atiixp

16: 17 1216 IO-APIC-fasteoi ohci_hcd:usb3, ohci_hcd:usb4, HDA Intel

17: 41546 137313 IO-APIC-fasteoi ehci_hcd:usb1

18: 0 0 IO-APIC-fasteoi ohci_hcd:usb5, ohci_hcd:usb6, ohci_hcd:usb7

19: 0 44 IO-APIC-fasteoi ehci_hcd:usb2, HDA Intel

22: 0 3 IO-APIC-fasteoi ohci1394

26: 0 0 PCI-MSI-edge eth0

27: 14636 7751 PCI-MSI-edge ahci

28: 0 0 PCI-MSI-edge fglrx[0]@PCI:1:5:0

NMI: 0 0 Non-maskable interrupts

LOC: 98383 68116 Local timer interrupts

SPU: 0 0 Spurious interrupts

PMI: 0 0 Performance monitoring interrupts

PND: 0 0 Performance pending work

RES: 239461 133787 Rescheduling interrupts

CAL: 1171 113 Function call interrupts

TLB: 1997 2817 TLB shootdowns

TRM: 0 0 Thermal event interrupts

THR: 0 0 Threshold APIC interrupts

MCE: 0 0 Machine check exceptions

MCP: 4 4 Machine check polls

ERR: 3

MIS: 0

-----------------------------------------------------------------------------------------------

#cat /proc/irq/14/smp_affinity

b, intel P4 dual core

#cat /proc/cpuinfo

processor : 0

vendor_id : GenuineIntel

cpu family : 15

model : 6

model name : Intel(R) Pentium(R) 4 CPU 3.60GHz

stepping : 4

cpu MHz : 3600.064

cache size : 2048 KB

#APIC debug message

[ 0.211738] printing local APIC contents on CPU#0/0:

[ 0.211782] ... APIC ID: 00000000 (0)

[ 0.211824] ... APIC VERSION: 00050014

[ 0.211866] ... APIC TASKPRI: 00000000 (00)

[ 0.211908] ... APIC PROCPRI: 00000000

[ 0.211949] ... APIC LDR: 01000000

[ 0.211991] ... APIC DFR: ffffffff

[ 0.212001] ... APIC SPIV: 000001ff

[ 0.212001] ... APIC ISR field:

[ 0.212001] 0000000000000000000000000000000000000000000000000000000000000000

[ 0.212001] ... APIC TMR field:

[ 0.212001] 0000000000000000000000000000000000000000000000000000000000000000

[ 0.212001] ... APIC IRR field:

[ 0.212001] 0000000000000000000000000000000000000000000000000000000000008000

[ 0.212001] ... APIC ESR: 00000000

[ 0.212001] ... APIC ICR: 000008fd

[ 0.212001] ... APIC ICR2: 02000000

[ 0.212001] ... APIC LVTT: 000200ef

[ 0.212001] ... APIC LVTPC: 00010000

[ 0.212001] ... APIC LVT0: 00010700

[ 0.212001] ... APIC LVT1: 00000400

[ 0.212001] ... APIC LVTERR: 000000fe

[ 0.212001] ... APIC TMICT: 0000c352

[ 0.212001] ... APIC TMCCT: 00007cf8

[ 0.212001] ... APIC TDCR: 00000003

[ 0.212001]

[ 0.211991] printing local APIC contents on CPU#1/1:

[ 0.211991] ... APIC ID: 01000000 (1)

[ 0.211991] ... APIC VERSION: 00050014

[ 0.211991] ... APIC TASKPRI: 00000000 (00)

[ 0.211991] ... APIC PROCPRI: 00000000

[ 0.211991] ... APIC LDR: 02000000

[ 0.211991] ... APIC DFR: ffffffff

[ 0.211991] ... APIC SPIV: 000001ff

[ 0.211991] ... APIC ISR field:

[ 0.211991] 0000000000000000000000000000000000000000000000000000000000000000

[ 0.211991] ... APIC TMR field:

[ 0.211991] 0000000000000000000000000000000000000000000000000000000000000000

[ 0.211991] ... APIC IRR field:

[ 0.211991] 0000000000000000000000000000000000000000000000000000000000000000

[ 0.211991] ... APIC ESR: 00000000

[ 0.211991] ... APIC ICR: 000008fd

[ 0.211991] ... APIC ICR2: 01000000

[ 0.211991] ... APIC LVTT: 000200ef

[ 0.211991] ... APIC LVTPC: 00010000

[ 0.211991] ... APIC LVT0: 00010700

[ 0.211991] ... APIC LVT1: 00010400

[ 0.211991] ... APIC LVTERR: 000000fe

[ 0.211991] ... APIC TMICT: 0000c352

[ 0.211991] ... APIC TMCCT: 000042a0

[ 0.211991] ... APIC TDCR: 00000003

[ 0.211991]

[ 0.213764] number of MP IRQ sources: 15.

[ 0.213807] number of IO-APIC #2 registers: 24.

[ 0.213850] testing the IO APIC.......................

[ 0.213898]

[ 0.213935] IO APIC #2......

[ 0.213976] .... register #00: 00000000

[ 0.214022] ....... : physical APIC id: 00

[ 0.214065] ....... : Delivery Type: 0

[ 0.214107] ....... : LTS : 0

[ 0.214148] .... register #01: 00170020

[ 0.214190] ....... : max redirection entries: 0017

[ 0.214234] ....... : PRQ implemented: 0

[ 0.214276] ....... : IO APIC version: 0020

[ 0.214318] .... IRQ redirection table:

[ 0.214359] NR Dst Mask Trig IRR Pol Stat Dmod Deli Vect:

[ 0.214406] 00 000 1 0 0 0 0 0 0 00

[ 0.216048] 01 003 0 0 0 0 0 1 1 31

[ 0.214065] ....... : Delivery Type: 0

[ 0.214107] ....... : LTS : 0

[ 0.214148] .... register #01: 00170020

[ 0.214190] ....... : max redirection entries: 0017

[ 0.214234] ....... : PRQ implemented: 0

[ 0.214276] ....... : IO APIC version: 0020

[ 0.214318] .... IRQ redirection table:

[ 0.214359] NR Dst Mask Trig IRR Pol Stat Dmod Deli Vect:

[ 0.214406] 00 000 1 0 0 0 0 0 0 00

[ 0.216048] 01 003 0 0 0 0 0 1 1 31

[ 0.216125] 02 003 0 0 0 0 0 1 1 30

[ 0.216202] 03 003 0 0 0 0 0 1 1 33

[ 0.216278] 04 003 0 0 0 0 0 1 1 34

[ 0.216360] 05 003 0 0 0 0 0 1 1 35

[ 0.216437] 06 003 0 0 0 0 0 1 1 36

[ 0.216514] 07 003 0 0 0 0 0 1 1 37

[ 0.216591] 08 003 0 0 0 0 0 1 1 38

[ 0.216668] 09 003 0 1 0 0 0 1 1 39

[ 0.216744] 0a 003 0 0 0 0 0 1 1 3A

[ 0.216820] 0b 003 0 0 0 0 0 1 1 3B

[ 0.216897] 0c 003 0 0 0 0 0 1 1 3C

[ 0.216973] 0d 003 0 0 0 0 0 1 1 3D

[ 0.217050] 0e 003 0 0 0 0 0 1 1 3E

[ 0.217130] 0f 003 0 0 0 0 0 1 1 3F

[ 0.217211] 10 000 1 0 0 0 0 0 0 00

[ 0.217288] 11 000 1 0 0 0 0 0 0 00

[ 0.217365] 12 000 1 0 0 0 0 0 0 00

[ 0.217441] 13 000 1 0 0 0 0 0 0 00

[ 0.217518] 14 000 1 0 0 0 0 0 0 00

[ 0.217594] 15 000 1 0 0 0 0 0 0 00

[ 0.217671] 16 000 1 0 0 0 0 0 0 00

[ 0.217747] 17 000 1 0 0 0 0 0 0 00

[ 0.217821] IRQ to pin mappings:

[ 0.217862] IRQ0 -> 0:2

[ 0.217962] IRQ1 -> 0:1

[ 0.214234] ....... : PRQ implemented: 0

[ 0.214276] ....... : IO APIC version: 0020

[ 0.214318] .... IRQ redirection table:

[ 0.214359] NR Dst Mask Trig IRR Pol Stat Dmod Deli Vect:

[ 0.214406] 00 000 1 0 0 0 0 0 0 00

[ 0.216048] 01 003 0 0 0 0 0 1 1 31

[ 0.216125] 02 003 0 0 0 0 0 1 1 30

[ 0.216202] 03 003 0 0 0 0 0 1 1 33

[ 0.216278] 04 003 0 0 0 0 0 1 1 34

[ 0.216360] 05 003 0 0 0 0 0 1 1 35

[ 0.216437] 06 003 0 0 0 0 0 1 1 36

[ 0.216514] 07 003 0 0 0 0 0 1 1 37

[ 0.216591] 08 003 0 0 0 0 0 1 1 38

[ 0.216668] 09 003 0 1 0 0 0 1 1 39

[ 0.216744] 0a 003 0 0 0 0 0 1 1 3A

[ 0.216820] 0b 003 0 0 0 0 0 1 1 3B

[ 0.216897] 0c 003 0 0 0 0 0 1 1 3C

[ 0.216973] 0d 003 0 0 0 0 0 1 1 3D

[ 0.217050] 0e 003 0 0 0 0 0 1 1 3E

[ 0.217130] 0f 003 0 0 0 0 0 1 1 3F

[ 0.217211] 10 000 1 0 0 0 0 0 0 00

[ 0.217288] 11 000 1 0 0 0 0 0 0 00

[ 0.217365] 12 000 1 0 0 0 0 0 0 00

[ 0.217441] 13 000 1 0 0 0 0 0 0 00

[ 0.217518] 14 000 1 0 0 0 0 0 0 00

[ 0.217594] 15 000 1 0 0 0 0 0 0 00

[ 0.217671] 16 000 1 0 0 0 0 0 0 00

[ 0.217747] 17 000 1 0 0 0 0 0 0 00

[ 0.217821] IRQ to pin mappings:

[ 0.217862] IRQ0 -> 0:2

[ 0.217962] IRQ1 -> 0:1

[ 0.218064] IRQ3 -> 0:3

[ 0.218161] IRQ4 -> 0:4

[ 0.218258] IRQ5 -> 0:5

[ 0.218355] IRQ6 -> 0:6

[ 0.218453] IRQ7 -> 0:7

[ 0.218550] IRQ8 -> 0:8

[ 0.218647] IRQ9 -> 0:9

[ 0.218744] IRQ10 -> 0:10

[ 0.218841] IRQ11 -> 0:11

[ 0.218946] IRQ12 -> 0:12

[ 0.219044] IRQ13 -> 0:13

[ 0.219142] IRQ14 -> 0:14

[ 0.219239] IRQ15 -> 0:15

[ 0.219341] .................................... done.

[ 0.219460] hpet clockevent registered

[ 0.219504] HPET: 3 timers in total, 0 timers will be used for per-cpu timer

[ 0.219554] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0

[ 0.219721] hpet0: 3 comparators, 64-bit 14.318180 MHz counter

[ 0.224289] Switching to clocksource tsc

[ 0.227062] AppArmor: AppArmor Filesystem Enabled

[ 0.227124] pnp: PnP ACPI init

[ 0.227197] ACPI: bus type pnp registered

[ 0.229470] IOAPIC[0]: Set routing entry (2-8 -> 0x38 -> IRQ 8 Mode:0 Active:0)

[ 0.229595] IOAPIC[0]: Set routing entry (2-13 -> 0x3d -> IRQ 13 Mode:0 Active:0)

[ 0.230330] IOAPIC[0]: Set routing entry (2-7 -> 0x37 -> IRQ 7 Mode:0 Active:0)

[ 0.230693] IOAPIC[0]: Set routing entry (2-12 -> 0x3c -> IRQ 12 Mode:0 Active:0)

[ 0.230849] IOAPIC[0]: Set routing entry (2-1 -> 0x31 -> IRQ 1 Mode:0 Active:0)

[ 0.231236] IOAPIC[0]: Set routing entry (2-4 -> 0x34 -> IRQ 4 Mode:0 Active:0)

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