/*
 * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 *
 * This D script is used as an example in the Solaris Dynamic Tracing Guide
 * wiki in the "ip Provider" Chapter.
 *
 * The full text of the this chapter may be found here:
 *
 *   http://docs.oracle.com/cd/E36784_01/html/E36846/glhhr.html#scrolltoc
 *
 * On machines that have DTrace installed, this script is available as
 * ipio.d in /usr/demo/dtrace, a directory that contains all D scripts
 * used in the Solaris Dynamic Tracing Guide.  A table of the scripts and their
 * corresponding chapters may be found here:
 *
 *   file:///usr/demo/dtrace/index.html
 */

#pragma D option quiet
#pragma D option switchrate=10hz

dtrace:::BEGIN
{
	printf(" %3s %10s %15s    %15s %8s %6s\n", "CPU", "DELTA(us)",
	    "SOURCE", "DEST", "INT", "BYTES");
	last = timestamp;
}

ip:::send
{
	this->elapsed = (timestamp - last) / 1000;
	printf(" %3d %10d %15s -> %15s %8s %6d\n", cpu, this->elapsed,
	    args[2]->ip_saddr, args[2]->ip_daddr, args[3]->if_name,
	    args[2]->ip_plength);
	last = timestamp;
}

ip:::receive
{
	this->elapsed = (timestamp - last) / 1000;
	printf(" %3d %10d %15s <- %15s %8s %6d\n", cpu, this->elapsed,
	    args[2]->ip_daddr, args[2]->ip_saddr, args[3]->if_name,
	    args[2]->ip_plength);
	last = timestamp;
}