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  * Copyright (c) 2012 by Delphix. All rights reserved.
28  */
29 
30 /*
31  * ASSERTION:
32  *   Positive test for fill buffer policy.
33  *
34  * SECTION: Buffers and Buffering/fill Policy;
35  *	Buffers and Buffering/Buffer Sizes;
36  *	Options and Tunables/bufsize;
37  *	Options and Tunables/bufpolicy;
38  *	Options and Tunables/statusrate
39  */
40 /*
41  * This is a brute-force way of testing fill buffers.  We assume that
42  * each printf() stores 16 bytes (4x 32-bit words for EPID, timestamp
43  * lo, timestamp hi, and the variable i).  Because each fill buffer is
44  * per-CPU, we must fill up our buffer in one series of enablings on a
45  * single CPU.
46  */
47 #pragma D option bufpolicy=fill
48 #pragma D option bufsize=128
49 #pragma D option statusrate=10ms
50 #pragma D option quiet
51 
52 int i;
53 
54 tick-10ms
55 {
56 	printf("%d\n", i++);
57 }
58 
59 tick-10ms
60 {
61 	printf("%d\n", i++);
62 }
63 
64 tick-10ms
65 {
66 	printf("%d\n", i++);
67 }
68 
69 tick-10ms
70 {
71 	printf("%d\n", i++);
72 }
73 
74 tick-10ms
75 {
76 	printf("%d\n", i++);
77 }
78 
79 tick-10ms
80 {
81 	printf("%d\n", i++);
82 }
83 
84 tick-10ms
85 {
86 	printf("%d\n", i++);
87 }
88 
89 tick-10ms
90 {
91 	printf("%d\n", i++);
92 }
93 
94 tick-10ms
95 {
96 	printf("%d\n", i++);
97 }
98 
99 tick-10ms
100 {
101 	printf("%d\n", i++);
102 }
103 
104 tick-10ms
105 {
106 	printf("%d\n", i++);
107 }
108 
109 tick-10ms
110 {
111 	printf("%d\n", i++);
112 }
113 
114 tick-10ms
115 /i >= 100/
116 {
117 	exit(1);
118 }
119