DTrace Network Providers

from : http://opensolaris.org/os/community/dtrace/NetworkProvider/

The following is a design proposal for a collection of DTrace Networking Providers. These providers aim to provide networking observability and troubleshooting information for Solaris users. The first prototype TCP provider was demonstrated at CEC 2006.

#dtrace -n 'tcp:::receive /args[2]->tcp_dport == 80/ {
       @pkts[args[1]->ip_daddr] = count();
}'
dtrace: description 'tcp:::receive' matched 1 probe
^C

 192.168.1.8                                                       9
 fe80::214:4fff:fe3b:76c8                                         12
 192.168.1.51                                                     32
 10.1.70.16                                                       83
 192.168.7.3                                                     121
 192.168.101.101