Kernel-lowlatency vs kernel-rt

[Ralf Mardorf]

On Sat, 3 Nov 2012 10:06:00 +0100
Ralf Mardorf <ralf.mardorf at alice-dsl.net> wrote:
 
> spinymouse at qrc:~$ cat /proc/interrupts
>            CPU0       CPU1       
>   0:        132          0   IO-APIC-edge      timer
>   1:          3       5862   IO-APIC-edge      i8042
>   7:          1          0   IO-APIC-edge      parport0
>   8:          0          1   IO-APIC-edge      rtc0
>   9:          0          0   IO-APIC-fasteoi   acpi
>  14:          0          0   IO-APIC-edge      pata_atiixp
>  15:          0          0   IO-APIC-edge      pata_atiixp
>  16:          1     221477   IO-APIC-fasteoi   ohci_hcd:usb2
>  17:          0          2   IO-APIC-fasteoi   ohci_hcd:usb3,
>                                                ohci_hcd:usb5
> 18:          0    6549804   IO-APIC-fasteoi   ohci_hcd:usb4,
>                                    ohci_hcd:usb6, snd_hdspm

>  19:          0          2   IO-APIC-fasteoi   ehci_hcd:usb1
>  20:          0          0   IO-APIC-fasteoi   snd_ice1712
>  21:          0          0   IO-APIC-fasteoi   snd_ice1712
>  22:          5     113762   IO-APIC-fasteoi   ahci, firewire_ohci
>  42:      17275         24   PCI-MSI-edge      eth0
>  43:         59      19419   PCI-MSI-edge      radeon


> spinymouse at qrc:~$ /etc/init.d/rtirq status
> 
>   PID CLS RTPRIO  NI PRI %CPU STAT COMMAND	
>    62 FF      90   - 130  0.0 S    irq/8-rtc0	
>   806 FF      85   - 125  0.2 S    irq/18-snd_hdsp	
>   838 FF      85   - 125  0.0 S    irq/20-snd_ice1	
>   850 FF      85   - 125  0.0 S    irq/21-snd_ice1	
>    54 FF      80   - 120  0.0 S    irq/19-ehci_hcd	
>    55 FF      80   - 120  0.0 S    irq/16-ohci_hcd	
>    56 FF      79   - 119  0.0 S    irq/17-ohci_hcd	
>    58 FF      78   - 118  0.0 S    irq/18-ohci_hcd	
>    59 FF      78   - 118  0.0 S    irq/17-ohci_hcd	
>    60 FF      77   - 117  0.1 S    irq/18-ohci_hcd	
>    61 FF      75   - 115  0.0 S    irq/1-i8042	
>    24 FF      50   -  90  0.0 S    irq/9-acpi	
>    46 FF      50   -  90  0.0 S    irq/22-ahci	
>   232 FF      50   -  90  0.0 S    irq/14-pata_ati	
>   233 FF      50   -  90  0.0 S    irq/15-pata_ati	
>   274 FF      50   -  90  0.0 S    irq/22-firewire	
>   620 FF      50   -  90  0.0 S    irq/7-parport0	
>   780 FF      50   -  90  0.0 S    irq/43-radeon	
>  1104 FF      50   -  90  0.0 S    irq/42-eth0	
>     3 FF       1   -  41  0.1 S    ksoftirqd/0	
>    15 FF       1   -  41  0.1 S    ksoftirqd/1

I wonder that the graphics now is using IRQ 43. That's good :), but
doesn't solve the issue.