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 2007 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 /* 28 * ASSERTION: 29 * Positive avg() test 30 * 31 * SECTION: Aggregations/Aggregations 32 * 33 * NOTES: 34 * Verifies that printing a clear()'d aggregation with an avg() 35 * aggregation function of 0 doesn't cause divide-by-zero problems. 36 * 37 */ 38 39 #pragma D option quiet 40 #pragma D option switchrate=50ms 41 #pragma D option aggrate=1ms 42 43 tick-100ms 44 /(x++ % 5) == 0/ 45 { 46 @time = avg(0); 47 } 48 49 tick-100ms 50 /x > 5 && x <= 20/ 51 { 52 printa(" %@d\n", @time); 53 clear(@time); 54 } 55 56 tick-100ms 57 /x > 20/ 58 { 59 exit(0); 60 } 61