taglinefilesource code
when1528net/inet/ip.cskb->when = jiffies;
when1646net/inet/ip.cskb->when = jiffies;
when2674net/inet/tcp.clong abserr, rtt = jiffies - oskb->when;
when2810net/inet/tcp.cif (((!flag) || (flag&4)) && sk->send_head != NULL && (sk->send_head->when + backoff(sk->backoff) * (2 * sk->mdev + sk->rtt) < jiffies)) 
when160net/inet/timer.cif (jiffies < (sk->send_head->when + backoff (sk->backoff)
when163net/inet/timer.creset_timer (sk, TIME_WRITE, (sk->send_head->when
when50net/socket/skbuff.hvolatile unsigned long  when;  /* used to compute rtt's  */