xref: /illumos-gate/usr/src/cmd/dtrace/demo/sched/howlong.d (revision 7c478bd95313f5f23a4c958a745db2134aa03244)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 sched:::off-cpu
28 /curlwpsinfo->pr_state == SSLEEP/
29 {
30 	self->cpu = cpu;
31 	self->ts = timestamp;
32 }
33 
34 sched:::on-cpu
35 /self->ts/
36 {
37 	@[self->cpu == cpu ?
38 	    "sleep time, no CPU migration" : "sleep time, CPU migration"] =
39 	    lquantize((timestamp - self->ts) / 1000000, 0, 500, 25);
40 	self->ts = 0;
41 	self->cpu = 0;
42 }
43