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 * This D script is used as an example in the Solaris Dynamic Tracing Guide 27 * wiki in the "sched Provider" Chapter. 28 * 29 * The full text of the this chapter may be found here: 30 * 31 * http://wikis.sun.com/display/DTrace/sched+Provider 32 * 33 * On machines that have DTrace installed, this script is available as 34 * nscd.d in /usr/demo/dtrace, a directory that contains all D scripts 35 * used in the Solaris Dynamic Tracing Guide. A table of the scripts and their 36 * corresponding chapters may be found here: 37 * 38 * file:///usr/demo/dtrace/index.html 39 */ 40 41 sched:::sleep 42 /curlwpsinfo->pr_stype == SOBJ_SHUTTLE/ 43 { 44 bedtime[curlwpsinfo->pr_addr] = timestamp; 45 } 46 47 sched:::wakeup 48 /execname == "nscd" && bedtime[args[0]->pr_addr]/ 49 { 50 @[stringof(curpsinfo->pr_fname), stringof(args[1]->pr_fname)] = 51 quantize(timestamp - bedtime[args[0]->pr_addr]); 52 bedtime[args[0]->pr_addr] = 0; 53 } 54 55 sched:::wakeup 56 /bedtime[args[0]->pr_addr]/ 57 { 58 bedtime[args[0]->pr_addr] = 0; 59 } 60