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 #pragma D option quiet
28 
29 dtrace:::BEGIN
30 {
31 	start = timestamp;
32 }
33 
34 sched:::on-cpu
35 /execname == $$1/
36 {
37 	self->ts = timestamp;
38 }
39 
40 sched:::off-cpu
41 /self->ts/
42 {
43 	@[cpu] = sum(timestamp - self->ts);
44 	self->ts = 0;
45 }
46 
47 profile:::tick-1sec
48 /++x == 10/
49 {
50 	exit(0);
51 }
52 
53 dtrace:::END
54 {
55 	printf("CPU distribution over %d seconds:\n\n",
56 	    (timestamp - start) / 1000000000);
57 	printf("CPU microseconds\n--- ------------\n");
58 	normalize(@, 1000);
59 	printa("%3d %@d\n", @);
60 }
61