Now I got it.
I routed soundflower to Live 6.01 and I tried to record with midi remote control the CPU goes to 1000%
I tried with same source, same everything on the old 5.2.2 result very normal 5% maybe less.
Live 6.01 is not useful at the moment.
PPC G4 2X1ghz 1 GB ram 10.4.8