xref: /onnv-gate/usr/src/cmd/dtrace/demo/sched/whererun.d (revision 0:68f95e015346)
1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate  * CDDL HEADER START
3*0Sstevel@tonic-gate  *
4*0Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*0Sstevel@tonic-gate  * with the License.
8*0Sstevel@tonic-gate  *
9*0Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate  * and limitations under the License.
13*0Sstevel@tonic-gate  *
14*0Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate  *
20*0Sstevel@tonic-gate  * CDDL HEADER END
21*0Sstevel@tonic-gate  */
22*0Sstevel@tonic-gate /*
23*0Sstevel@tonic-gate  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
24*0Sstevel@tonic-gate  * Use is subject to license terms.
25*0Sstevel@tonic-gate  */
26*0Sstevel@tonic-gate 
27*0Sstevel@tonic-gate #pragma D option quiet
28*0Sstevel@tonic-gate 
29*0Sstevel@tonic-gate dtrace:::BEGIN
30*0Sstevel@tonic-gate {
31*0Sstevel@tonic-gate 	start = timestamp;
32*0Sstevel@tonic-gate }
33*0Sstevel@tonic-gate 
34*0Sstevel@tonic-gate sched:::on-cpu
35*0Sstevel@tonic-gate /execname == $$1/
36*0Sstevel@tonic-gate {
37*0Sstevel@tonic-gate 	self->ts = timestamp;
38*0Sstevel@tonic-gate }
39*0Sstevel@tonic-gate 
40*0Sstevel@tonic-gate sched:::off-cpu
41*0Sstevel@tonic-gate /self->ts/
42*0Sstevel@tonic-gate {
43*0Sstevel@tonic-gate 	@[cpu] = sum(timestamp - self->ts);
44*0Sstevel@tonic-gate 	self->ts = 0;
45*0Sstevel@tonic-gate }
46*0Sstevel@tonic-gate 
47*0Sstevel@tonic-gate profile:::tick-1sec
48*0Sstevel@tonic-gate /++x == 10/
49*0Sstevel@tonic-gate {
50*0Sstevel@tonic-gate 	exit(0);
51*0Sstevel@tonic-gate }
52*0Sstevel@tonic-gate 
53*0Sstevel@tonic-gate dtrace:::END
54*0Sstevel@tonic-gate {
55*0Sstevel@tonic-gate 	printf("CPU distribution over %d seconds:\n\n",
56*0Sstevel@tonic-gate 	    (timestamp - start) / 1000000000);
57*0Sstevel@tonic-gate 	printf("CPU microseconds\n--- ------------\n");
58*0Sstevel@tonic-gate 	normalize(@, 1000);
59*0Sstevel@tonic-gate 	printa("%3d %@d\n", @);
60*0Sstevel@tonic-gate }
61