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 (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #pragma D option bufsize=1000 28 #pragma D option bufpolicy=ring 29 #pragma D option statusrate=10ms 30 31 fbt::: 32 { 33 on = (timestamp / 1000000000) & 1; 34 } 35 36 fbt::: 37 /on/ 38 { 39 @[rw_read_held((krwlock_t *)&`clock)] = count(); 40 @[rw_read_held((krwlock_t *)rand())] = count(); 41 } 42 43 fbt::: 44 /on/ 45 { 46 @[rw_write_held((krwlock_t *)&`clock)] = count(); 47 @[rw_write_held((krwlock_t *)rand())] = count(); 48 } 49 50 fbt::: 51 /on/ 52 { 53 @[rw_iswriter((krwlock_t *)&`clock)] = count(); 54 @[rw_iswriter((krwlock_t *)rand())] = count(); 55 } 56 57 tick-1sec 58 /n++ == 20/ 59 { 60 exit(0); 61 } 62 63