iBook bogomips

[Saladino <arkato@gmail.com>]

Hi,
Looking at my cpuinfo, i found that my bogomips rate is veeery looow.
saladino@Zack:~$ cat /proc/cpuinfo
processor       : 0
cpu             : 7447A, altivec supported
clock           : 666.666000MHz
revision        : 0.5 (pvr 8003 0105)
bogomips        : 36.73
timebase        : 18432000
machine         : PowerBook6,7
motherboard     : PowerBook6,7 MacRISC3 Power Macintosh
detected as     : 287 (iBook G4)
pmac flags      : 0000001b
L2 cache        : 512K unified
pmac-generation : NewWorld

Its a 1,33 GHz iBook with 1GB of ram and a custom kernel, are the
numbers ok? or i am suffering a cpu problem?
Thanks for your time.
Saladino