From: ftoomch@gmail.com   
      
   Hi,   
      
   I'm having a performance issue on this new pc of mine.   
      
   I know it can run well with a pretty recent Linux version, because Knoppix   
   generally runs ok (version 5.1.1).   
      
   I'm just looking for a place to start trying to diagnose what is going wrong   
   and why it seems a bit sluggish.   
      
   I had a look at /proc/interrupts as a bit of a guess, does it look normal?   
      
   scalor proc # cat /proc/interrupts   
              CPU0       CPU1   
     0:         71          0   IO-APIC-edge      timer   
     1:          2          0   IO-APIC-edge      i8042   
     2:          0          0    XT-PIC-XT        cascade   
     8:          2          0   IO-APIC-edge      rtc   
    12:          4          0   IO-APIC-edge      i8042   
    16:          0          0   IO-APIC-fasteoi   uhci_hcd:usb3   
    18:         34          0   IO-APIC-fasteoi   ehci_hcd:usb1, uhci_hcd:usb7   
    19:          0          0   IO-APIC-fasteoi   uhci_hcd:usb6   
    21:         78          0   IO-APIC-fasteoi   uhci_hcd:usb4   
    22:        139          0   IO-APIC-fasteoi   HDA Intel   
    23:        122          0   IO-APIC-fasteoi   ehci_hcd:usb2, uhci_hcd:usb5   
   220:      21355          0   PCI-MSI-edge      eth0   
   221:      17101          0   PCI-MSI-edge      ahci   
   NMI:          0          0   
   LOC:     379845     379832   
   ERR:          0   
   MIS:          0   
      
      
   It looks to me that LOC is a bit high (not sure since it's some kind of APIC   
   timer).   
      
   eth0 and ahci also seem to have a high IRQ number, can other people confirm if   
   net adapters and hard disks have such low priority?   
      
   Any help would be appreciated.   
      
   Thanks,   
   B   
      
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