/*
 * Copyright 2005 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 "io Provider" Chapter.
 *
 * The full text of the this chapter may be found here:
 *
 *   http://docs.oracle.com/cd/E36784_01/html/E36846/gkzzf.html#scrolltoc
 *
 * On machines that have DTrace installed, this script is available as
 * iosnoop.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

BEGIN
{
	printf("%10s %58s %2s\n", "DEVICE", "FILE", "RW");
}

io:::start
{
	printf("%10s %58s %2s\n", args[1]->dev_statname,
	    args[2]->fi_pathname, args[0]->b_flags & B_READ ? "R" : "W");
}