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.
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.
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]
23 * Copyright 2007 Sun Microsystems, Inc. All rights reserved.
24 * Use is subject to license terms.
27 #pragma ident "%Z%%M% %I% %E% SMI"
31 * Checks that setting "bufresize" to "auto" will cause buffer
32 * allocation to succeed, even for large aggregation buffer sizes.
34 * SECTION: Buffers and Buffering/Buffer Resizing Policy;
35 * Options and Tunables/aggsize;
36 * Options and Tunables/bufresize
39 * We use the undocumented "preallocate" option to make sure dtrace(1M)
40 * has enough space in its heap to allocate a buffer as large as the
41 * kernel's trace buffer.
44 #pragma D option preallocate=100t
45 #pragma D option bufresize=auto
46 #pragma D option aggsize=100t
50 @a[probeprov] = count();