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 sched:::preempt 30 { 31 self->preempt = 1; 32 } 33 34 sched:::remain-cpu 35 /self->preempt/ 36 { 37 self->preempt = 0; 38 } 39 40 sched:::off-cpu 41 /self->preempt/ 42 { 43 /* 44 * If we were told to preempt ourselves, see who we ended up giving 45 * the CPU to. 46 */ 47 @[stringof(args[1]->pr_fname), args[0]->pr_pri, execname, 48 curlwpsinfo->pr_pri] = count(); 49 self->preempt = 0; 50 } 51 52 END 53 { 54 printf("%30s %3s %30s %3s %5s\n", "PREEMPTOR", "PRI", 55 "PREEMPTED", "PRI", "#"); 56 printa("%30s %3d %30s %3d %5@d\n", @); 57 } 58