Re: [PATCH net 3/3] slcan: rewrite of slc_bump and slc_encaps

[Marc Kleine-Budde]

On 09/13/2013 07:37 PM, Andre Naujoks wrote:
> The old implementation was heavy on str* functions and sprintf calls.
> This version is more manual, but faster.
> 
> Profiling just the printing of a 3 char CAN-id resulted in 60 instructions
> for the manual method and over 2000 for the sprintf method. Bear in
> mind the profiling was done against libc and not the kernel sprintf.
> 
> Together with this rewrite an issue with sending and receiving of RTR frames
> has been fixed by Oliver for the cases that the DLC is not zero.
> 
> Signed-off-by: Andre Naujoks <nautsch2@xxxxxxxxx>
> Tested-by: Oliver Hartkopp <socketcan@xxxxxxxxxxxx>
Acked-by: Marc Kleine-Budde <mkl@xxxxxxxxxxxxxx>

regards,
Marc
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