Re: non-printable characters in /proc/interrupts

From: Randy Dunlap
Date: Fri Jun 10 2011 - 12:11:49 EST


On Fri, 10 Jun 2011 10:40:19 +0200 Toralf FÃrster wrote:

> I've wondering about this entry at my ThinkPad T400 (kernel 2.6.39.1):
>
> n22 ~ # grep 47: /proc/interrupts
> 47: 44041 69740 PCI-MSI-edge lâïï@ïEï
>
> I attached the output of
> $>grep 47: /proc/interrupts > /tmp/int47
> onto this email, the complete table looks like this :
>
> n22 ~ # cat /proc/interrupts
> CPU0 CPU1
> 0: 605293 71393 IO-APIC-edge timer
> 1: 13432 4 IO-APIC-edge i8042
> 8: 55 64 IO-APIC-edge rtc0
> 9: 6248 509 IO-APIC-fasteoi acpi
> 12: 1389 72 IO-APIC-edge i8042
> 16: 0 0 IO-APIC-fasteoi uhci_hcd:usb6
> 17: 0 0 IO-APIC-fasteoi uhci_hcd:usb7
> 18: 0 0 IO-APIC-fasteoi uhci_hcd:usb8
> 19: 0 0 IO-APIC-fasteoi ehci_hcd:usb2
> 20: 52881 0 IO-APIC-fasteoi uhci_hcd:usb3
> 21: 329 37 IO-APIC-fasteoi uhci_hcd:usb4
> 22: 0 0 IO-APIC-fasteoi uhci_hcd:usb5
> 23: 30046 8743 IO-APIC-fasteoi ehci_hcd:usb1
> 40: 0 0 PCI-MSI-edge PCIe PME
> 41: 0 0 PCI-MSI-edge PCIe PME
> 42: 0 0 PCI-MSI-edge PCIe PME
> 43: 0 0 PCI-MSI-edge PCIe PME
> 44: 484163 55698 PCI-MSI-edge ahci
> 45: 750 1809 PCI-MSI-edge eth0
> 46: 94 213 PCI-MSI-edge hda_intel
> 47: 44399 70713 PCI-MSI-edge lâïï@ïEï
> 48: 71969 102457 PCI-MSI-edge iwlagn
> NMI: 0 0 Non-maskable interrupts
> LOC: 10167789 10321319 Local timer interrupts
> SPU: 0 0 Spurious interrupts
> PMI: 0 0 Performance monitoring interrupts
> IWI: 213 200 IRQ work interrupts
> RES: 289390 333102 Rescheduling interrupts
> CAL: 4677 4542 Function call interrupts
> TLB: 22261 16007 TLB shootdowns
> TRM: 0 0 Thermal event interrupts
> THR: 0 0 Threshold APIC interrupts
> MCE: 0 0 Machine check exceptions
> MCP: 41 41 Machine check polls
> ERR: 0
> MIS: 0

Is there any other info (like dmesg or boot log) that tells what
device/driver uses interrupt 47 ?

---
~Randy
*** Remember to use Documentation/SubmitChecklist when testing your code ***
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/