On Thu, 2012-08-02 at 14:27 +0200, leroy christophe wrote: > Hi > > I'm having a big issue with UDP. Using a powerpc board (MPC860). > > With our board running kernel 2.4.17, I'm able to send 160000 voice > packets (UDP, 96 bytes per packet) in 11 seconds. > With the same board running either Kernel 2.6.35.14 or Kernel 3.4.7, I > need 55 seconds to send the same amount of packets. > > > Is there anything to tune in order to get same output rate as with > Kernel 2.4 ?
kernel size is probably too big for your old / slow cpu. Maybe you added too many features on your 3.4.7 kernel. (netfilter ? SLUB debugging ...) Its hard to say, 2.4.17 had less features and was faster. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
