tst.temporal3.d revision 256002 
1/*
2 * CDDL HEADER START
3 *
4 * This file and its contents are supplied under the terms of the
5 * Common Development and Distribution License ("CDDL"), version 1.0.
6 * You may only use this file in accordance with the terms of version
7 * 1.0 of the CDDL.
8 *
9 * A full copy of the text of the CDDL should have accompanied this
10 * source.  A copy of the CDDL is also available via the Internet at
11 * http://www.illumos.org/license/CDDL.
12 *
13 * CDDL HEADER END
14 */
15
16/*
17 * Copyright (c) 2012 by Delphix. All rights reserved.
18 */
19
20/*
21 * This test excercises the "remnant" handling of the temporal option.
22 * At the end of one pass of retrieving and printing data from all CPUs,
23 * some unprocessed data will remain, because its timestamp is after the
24 * time covered by all CPUs' buffers.  This unprocessed data is
25 * rearranged in a more space-efficient manner.  If this is done
26 * incorrectly, an alignment error may occur.  To test this, we use a
27 * high-frequency probe so that data will be recorded in subsequent
28 * CPU's buffers after the first CPU's buffer is obtained.  The
29 * combination of data traced here (a 8-byte value and a 4-byte value)
30 * is effective to cause alignment problems with an incorrect
31 * implementation.
32 *
33 * This test needs to be run on a multi-CPU system to be effective.
34 */
35
36#pragma D option quiet
37#pragma D option temporal
38
39profile-4997
40{
41	printf("%u %u", 1ULL, 2);
42}
43
44tick-1
45/i++ == 10/
46{
47	exit(0);
48}
49