tinc throughput on alix machines

[Michael Braun]

Hi,

Guus Sliepen schrieb:
> This is necessary because some architectures impose alignment restrictions that
> would cause tinc to misbehave or segfault if you cast a random char * pointer
> to a mac_t *.

I wouldn't have ever imagined, thanks :)

> 
>> Running gprof it reports no time spent but only function calls, which hints
>> that all time is lost in the kernel.
> 
> Which function call is the biggest user on your alix?

gprof returns:

Flat profile:

Each sample counts as 0.01 seconds.
 no time accumulated

           self     total
   calls  Ts/call  Ts/call  name
 1810148     0.00     0.00  sockaddrcmp
 1809670     0.00     0.00  node_udp_compare
 1675175     0.00     0.00  lookup_subnet_mac
 1326891     0.00     0.00  send_packet
 1271887     0.00     0.00  route
 1198798     0.00     0.00  clamp_mss
 1174688     0.00     0.00  get_expired_event
  891582     0.00     0.00  avl_search_closest_node
  884669     0.00     0.00  avl_search_node
  884122     0.00     0.00  avl_search
  868745     0.00     0.00  sockaddrunmap
  868744     0.00     0.00  handle_incoming_vpn_data
  868744     0.00     0.00  lookup_node_udp
  868599     0.00     0.00  receive_packet
  868599     0.00     0.00  write_packet
  458516     0.00     0.00  send_udppacket
  403288     0.00     0.00  read_packet
  113930     0.00     0.00  send_meta
   90005     0.00     0.00  past_request_compare
   73089     0.00     0.00  broadcast_packet
   58748     0.00     0.00  subnet_compare
   55905     0.00     0.00  flush_meta
   55835     0.00     0.00  send_request
   54992     0.00     0.00  send_tcppacket
   14620     0.00     0.00  node_compare
   11997     0.00     0.00  avl_rebalance
...


Thanks,
 Michael Braun

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