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#! stap -p4
global send_bytes, recv_bytes, ports, src_ips, rtos, state, mss, ssthresh, cwnd
function print_report()
{
printf("%d\t%d\t%d\t%s\t%d\t%d\t%d\t%d\t%d\n",
send_bytes,recv_bytes,ports,src_ips,rtos,mss,ssthresh,cwnd,state);
}
probe tcp.sendmsg {
ports = inet_get_local_port(sock)
src_ips = inet_get_ip_source(sock)
rtos = tcp_get_info_rto(sock)
}
probe tcp.recvmsg {
cwnd = tcp_get_info_snd_cwnd(sock)
mss = tcp_ts_get_info_rcv_mss(sock)
ssthresh = tcp_ts_get_info_snd_ssthresh(sock)
state = tcp_ts_get_info_state(sock)
}
probe tcp.sendmsg.return {
if (size > 0) {
send_bytes += size
}
}
probe tcp.recvmsg.return {
if (size > 0) {
recv_bytes += size
}
}
probe tcp.disconnect {
log("tcp disconnect")
}
probe timer.ms(2000) {
print_report()
}
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