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 * Checks that setting "bufresize" to "auto" will cause buffer 30 * allocation to succeed, even for large speculative buffer sizes. 31 * 32 * SECTION: Buffers and Buffering/Buffer Resizing Policy; 33 * Options and Tunables/specsize; 34 * Options and Tunables/bufresize 35 * 36 * NOTES: 37 * On some small memory machines, this test may consume so much memory 38 * that it induces memory allocation failure in the dtrace library. This 39 * will manifest itself as an error like one of the following: 40 * 41 * dtrace: processing aborted: Memory allocation failure 42 * dtrace: could not enable tracing: Memory allocation failure 43 * 44 * These actually indicate that the test performed as expected; failures 45 * of the above nature should therefore be ignored. 46 * 47 */ 48 49 #pragma D option bufresize=auto 50 #pragma D option specsize=100t 51 52 BEGIN 53 { 54 spec = speculation(); 55 } 56 57 BEGIN 58 { 59 speculate(spec); 60 trace(epid); 61 } 62 63 BEGIN 64 { 65 commit(spec); 66 } 67 68 BEGIN 69 { 70 exit(0); 71 } 72