"why is my Linux so damn slow?"

[Lamar Owen]

On Saturday, February 12, 2011 02:42:25 pm Rick Sewill wrote:
> I am curious about the Rescheduling interrupts.
> I do not have a dual core system so I have no rescheduling interrupts.

I do; here's my /proc/interrupts and uptime:

lowen at localhost:~$ cat /proc/interrupts
           CPU0       CPU1       
  0:    2368837          0   IO-APIC-edge      timer
  1:      17017          0   IO-APIC-edge      i8042
  4:          3          0   IO-APIC-edge    
  8:          1          0   IO-APIC-edge      rtc0
  9:          2          0   IO-APIC-fasteoi   acpi
 12:        144          0   IO-APIC-edge      i8042
 14:     218006          0   IO-APIC-edge      ata_piix
 15:     229960          0   IO-APIC-edge      ata_piix
 16:      31864          0   IO-APIC-fasteoi   nvidia
 17:      22394          0   IO-APIC-fasteoi   eth1
 19:          8          0   IO-APIC-fasteoi   yenta, firewire_ohci
 20:     134569          0   IO-APIC-fasteoi   ehci_hcd:usb1, uhci_hcd:usb2
 21:         71          0   IO-APIC-fasteoi   uhci_hcd:usb3
 22:          0          0   IO-APIC-fasteoi   uhci_hcd:usb4
 23:          0          0   IO-APIC-fasteoi   uhci_hcd:usb5
 45:        399          0   PCI-MSI-edge      hda_intel
 46:     191211          0   PCI-MSI-edge      eth0
NMI:          0          0   Non-maskable interrupts
LOC:    2065179    2870695   Local timer interrupts
SPU:          0          0   Spurious interrupts
PMI:          0          0   Performance monitoring interrupts
PND:          0          0   Performance pending work
RES:    1957492    2326386   Rescheduling interrupts
CAL:       9221      16385   Function call interrupts
TLB:       8814      10449   TLB shootdowns
TRM:          0          0   Thermal event interrupts
THR:          0          0   Threshold APIC interrupts
MCE:          0          0   Machine check exceptions
MCP:         58         58   Machine check polls
ERR:          1
MIS:          0
lowen at localhost:~$ uptime
 15:47:24 up  4:51,  7 users,  load average: 0.02, 0.09, 0.12
lowen at localhost:~$ 

(don't let the '7 users' throw you; that's just my 7 konsole tabs open.....)