1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
|
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2006 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/*
* Copyright (c) 2012 by Delphix. All rights reserved.
*/
/*
* ASSERTION:
* Positive test for fill buffer policy.
*
* SECTION: Buffers and Buffering/fill Policy;
* Buffers and Buffering/Buffer Sizes;
* Options and Tunables/bufsize;
* Options and Tunables/bufpolicy;
* Options and Tunables/statusrate
*/
/*
* This is a brute-force way of testing fill buffers. We assume that
* each printf() stores 16 bytes (4x 32-bit words for EPID, timestamp
* lo, timestamp hi, and the variable i). Because each fill buffer is
* per-CPU, we must fill up our buffer in one series of enablings on a
* single CPU.
*/
#pragma D option bufpolicy=fill
#pragma D option bufsize=128
#pragma D option statusrate=10ms
#pragma D option quiet
int i;
tick-10ms
{
printf("%d\n", i++);
}
tick-10ms
{
printf("%d\n", i++);
}
tick-10ms
{
printf("%d\n", i++);
}
tick-10ms
{
printf("%d\n", i++);
}
tick-10ms
{
printf("%d\n", i++);
}
tick-10ms
{
printf("%d\n", i++);
}
tick-10ms
{
printf("%d\n", i++);
}
tick-10ms
{
printf("%d\n", i++);
}
tick-10ms
{
printf("%d\n", i++);
}
tick-10ms
{
printf("%d\n", i++);
}
tick-10ms
{
printf("%d\n", i++);
}
tick-10ms
{
printf("%d\n", i++);
}
tick-10ms
/i >= 100/
{
exit(1);
}
|
