The iptables ULOG target passes the skb receive timestamp to userspace, where it is (depending on local ulogd configuration) written in logging/accounting databases. (ULOG is in the kernel tree). The
No differences of packet socket. Nobody proposed to do this in userspace. This would be even not "inaccuracy", the userspace time of read() is not correlated to real one at all f.e. if userspace is
The iptables ULOG target passes the skb receive timestamp to userspace, where it is (depending on local ulogd configuration) written in logging/accounting databases. (ULOG is in the kernel tree). The