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 ident "%Z%%M% %I% %E% SMI" 28 29 30 /* 31 * ASSERTION: 32 * Positive avg() test 33 * 34 * SECTION: Aggregations/Aggregations 35 * 36 * NOTES: 37 * Verifies that printing a clear()'d aggregation with an avg() 38 * aggregation function of 0 doesn't cause divide-by-zero problems. 39 * 40 */ 41 42 #pragma D option quiet 43 #pragma D option switchrate=50ms 44 #pragma D option aggrate=1ms 45 46 tick-100ms 47 /(x++ % 5) == 0/ 48 { 49 @time = avg(0); 50 } 51 52 tick-100ms 53 /x <= 20/ 54 { 55 printa(" %@d\n", @time); 56 clear(@time); 57 } 58 59 tick-100ms 60 /x > 20/ 61 { 62 exit(0); 63 } 64