trace ceph osd skb in kernel.function("tcp_transmit_skb")

trace_ceph_osd_skb_tcp_out.stp

#! /usr/bin/env stap

probe begin {
  printf("Started...\n")
}

probe kernel.function("tcp_transmit_skb") {
  if (execname() == "ceph-osd") {
    printf("%s(pid: %d, tid: %d)\n", execname(), pid(), tid());
    printf("priority: %ld %15s:%-5d ---> %s:%d\n\n",
         $sk->sk_priority,
         ip_ntop(ntohl(tcpmib_local_addr($sk))),
         tcpmib_local_port($sk),
         ip_ntop(ntohl(tcpmib_remote_addr($sk))),
         tcpmib_remote_port($sk))
  }
}