xref: /onnv-gate/usr/src/cmd/dtrace/demo/sched/whatfor.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 sched:::off-cpu
28*0Sstevel@tonic-gate /curlwpsinfo->pr_state == SSLEEP/
29*0Sstevel@tonic-gate {
30*0Sstevel@tonic-gate 	/*
31*0Sstevel@tonic-gate 	 * We're sleeping.  Track our sobj type.
32*0Sstevel@tonic-gate 	 */
33*0Sstevel@tonic-gate 	self->sobj = curlwpsinfo->pr_stype;
34*0Sstevel@tonic-gate 	self->bedtime = timestamp;
35*0Sstevel@tonic-gate }
36*0Sstevel@tonic-gate 
37*0Sstevel@tonic-gate sched:::off-cpu
38*0Sstevel@tonic-gate /curlwpsinfo->pr_state == SRUN/
39*0Sstevel@tonic-gate {
40*0Sstevel@tonic-gate 	self->bedtime = timestamp;
41*0Sstevel@tonic-gate }
42*0Sstevel@tonic-gate 
43*0Sstevel@tonic-gate sched:::on-cpu
44*0Sstevel@tonic-gate /self->bedtime && !self->sobj/
45*0Sstevel@tonic-gate {
46*0Sstevel@tonic-gate 	@["preempted"] = quantize(timestamp - self->bedtime);
47*0Sstevel@tonic-gate 	self->bedtime = 0;
48*0Sstevel@tonic-gate }
49*0Sstevel@tonic-gate 
50*0Sstevel@tonic-gate sched:::on-cpu
51*0Sstevel@tonic-gate /self->sobj/
52*0Sstevel@tonic-gate {
53*0Sstevel@tonic-gate 	@[self->sobj == SOBJ_MUTEX ? "kernel-level lock" :
54*0Sstevel@tonic-gate 	    self->sobj == SOBJ_RWLOCK ? "rwlock" :
55*0Sstevel@tonic-gate 	    self->sobj == SOBJ_CV ? "condition variable" :
56*0Sstevel@tonic-gate 	    self->sobj == SOBJ_SEMA ? "semaphore" :
57*0Sstevel@tonic-gate 	    self->sobj == SOBJ_USER ? "user-level lock" :
58*0Sstevel@tonic-gate 	    self->sobj == SOBJ_USER_PI ? "user-level prio-inheriting lock" :
59*0Sstevel@tonic-gate 	    self->sobj == SOBJ_SHUTTLE ? "shuttle" : "unknown"] =
60*0Sstevel@tonic-gate 	    quantize(timestamp - self->bedtime);
61*0Sstevel@tonic-gate 
62*0Sstevel@tonic-gate 	self->sobj = 0;
63*0Sstevel@tonic-gate 	self->bedtime = 0;
64*0Sstevel@tonic-gate }
65