dummynet dropping too many packets

[rihad]

rihad wrote:
> net.isr.direct=0
Sorry, net.isr.direct=1
I forgot to revert it back after copy'n'pasting top -SH for Mr. Robert.

> top -SH:
> last pid:  2528;  load averages:  0.69,  0.89,  0.96 
>                             up 1+02:15:20  15:26:01
> 165 processes: 12 running, 137 sleeping, 16 waiting
> CPU:  9.5% user,  0.0% nice,  3.8% system,  6.9% interrupt, 79.9% idle
> Mem: 1726M Active, 1453M Inact, 433M Wired, 178M Cache, 214M Buf, 145M Free
> Swap: 2048M Total, 12K Used, 2048M Free
> 
>   PID USERNAME   PRI NICE   SIZE    RES STATE  C   TIME   WCPU COMMAND
>    12 root       171 ki31     0K    16K RUN    6  24.8H 100.00% idle: cpu6
>    11 root       171 ki31     0K    16K CPU7   7  24.7H 98.29% idle: cpu7
>    13 root       171 ki31     0K    16K CPU5   5  24.3H 98.19% idle: cpu5
>    14 root       171 ki31     0K    16K CPU4   4  23.9H 95.41% idle: cpu4
>    15 root       171 ki31     0K    16K CPU3   3  23.3H 93.55% idle: cpu3
>    16 root       171 ki31     0K    16K CPU2   2  23.4H 87.06% idle: cpu2
>    18 root       171 ki31     0K    16K CPU0   0  21.1H 86.72% idle: cpu0
>    29 root       -68    -     0K    16K CPU1   1 537:45 47.61% irq256: bce0
>    17 root       171 ki31     0K    16K RUN    1 948:22 43.12% idle: cpu1
>    19 root       -32    -     0K    16K WAIT   4  53:10  4.25% swi4: 
> clock sio
>    31 root       -68    -     0K    16K WAIT   2  58:44  3.86% irq257: bce1
>   465 root       -68    -     0K    16K CPU3   3  59:02  1.51% dummynet
>    21 root       -44    -     0K    16K WAIT   0  34:58  0.00% swi1: net
>     3 root        -8    -     0K    16K -      0   8:15  0.00% g_up
> 
> 
> Dummynet's WCPU is mostly 0-4%, but might jump to 6-12% sometimes, 
> depending on which fraction of the second you look at it.
>