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 /* 28 * ASSERTION: 29 * If the aggregation rate is set properly, there should be no aggregation 30 * drops. 31 * 32 * SECTION: Aggregations/Minimizing drops; 33 * Options and Tunables/aggrate; 34 * Options and Tunables/aggsize 35 */ 36 37 /* 38 * We rely on the fact that at least 30 bytes must be stored per aggregation 39 * iteration, but that no more than 300 bytes are stored per iteration. 40 * We are going to let this run for ten seconds. If the aggregation rate 41 * is being set properly, there should be no aggregation drops. Note that 42 * this test (regrettably) may be scheduling sensitive -- but it should only 43 * fail on the most pathological systems. 44 */ 45 #pragma D option aggsize=300 46 #pragma D option aggrate=10msec 47 #pragma D option quiet 48 49 int n; 50 51 tick-100msec 52 /n < 100/ 53 { 54 @a[n++] = sum(n); 55 } 56 57 tick-100msec 58 /n == 100/ 59 { 60 exit(0); 61 } 62 63 END 64 { 65 printa("%10d\n", @a); 66 } 67