/*
 * 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 "sched Provider" Chapter.
 *
 * The full text of the this chapter may be found here:
 *
 *   http://docs.oracle.com/cd/E36784_01/html/E36846/sched-provider.html
 *
 * On machines that have DTrace installed, this script is available as
 * nscd.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
 */

sched:::sleep
/curlwpsinfo->pr_stype == SOBJ_SHUTTLE/
{
	bedtime[curlwpsinfo->pr_addr] = timestamp;
}

sched:::wakeup
/execname == "nscd" && bedtime[args[0]->pr_addr]/
{
	@[stringof(curpsinfo->pr_fname), stringof(args[1]->pr_fname)] =
	    quantize(timestamp - bedtime[args[0]->pr_addr]);
	bedtime[args[0]->pr_addr] = 0;
}

sched:::wakeup
/bedtime[args[0]->pr_addr]/
{
	bedtime[args[0]->pr_addr] = 0;
}