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请大家指点一下中断信息
CPU0 CPU1
0: 3481235 3563160 IO-APIC-edge timer
1: 527 390 IO-APIC-edge i8042
8: 0 1 IO-APIC-edge rtc0
9: 22483 22775 IO-APIC-fasteoi acpi
12: 21237 19331 IO-APIC-edge i8042
14: 23862 21770 IO-APIC-edge ata_piix
15: 0 0 IO-APIC-edge ata_piix
16: 5 7 IO-APIC-fasteoi uhci_hcd:usb6, heci
17: 145449 108528 IO-APIC-fasteoi uhci_hcd:usb7, wlan0, HDA Intel
18: 0 0 IO-APIC-fasteoi uhci_hcd:usb8
19: 0 0 IO-APIC-fasteoi ehci_hcd:usb2
20: 0 0 IO-APIC-fasteoi uhci_hcd:usb3
21: 84 85 IO-APIC-fasteoi uhci_hcd:usb4
22: 0 0 IO-APIC-fasteoi uhci_hcd:usb5
23: 17 18 IO-APIC-fasteoi ehci_hcd:usb1
24: 0 0 PCI-MSI-edge pciehp
25: 0 0 PCI-MSI-edge pciehp
26: 0 0 PCI-MSI-edge pciehp
27: 94631 67894 PCI-MSI-edge eth0
28: 231202 209928 PCI-MSI-edge i915
NMI: 0 0 Non-maskable interrupts
LOC: 1516711 2039150 Local timer interrupts
SPU: 0 0 Spurious interrupts
CNT: 0 0 Performance counter interrupts
PND: 0 0 Performance pending work
RES: 493093 483032 Rescheduling interrupts
CAL: 95 111 Function call interrupts
TLB: 444 501 TLB shootdowns
TRM: 0 0 Thermal event interrupts
THR: 0 0 Threshold APIC interrupts
MCE: 0 0 Machine check exceptions
MCP: 49 49 Machine check polls
ERR: 0
MIS: 0
这个信息很多地方小弟不太明白
最重要的是 请各位指点小弟查看中断信息的意义在哪里,有什么作用呢 |
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