2 * Copyright (c) 2013-2014 Devin Teske <dteske@FreeBSD.org>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 #define BUFSIZE_MAX (2 * 1024 * 1024)
34 /* Buffer size for read(2) input */
36 #define MAXPHYS (128 * 1024)
37 /* max raw I/O transfer size */
41 * Memory strategry threshold, in pages: if physmem is larger than this,
44 #define PHYSPAGES_THRESHOLD (32 * 1024)
47 * Small (default) buffer size in bytes. It's inefficient for this to be
48 * smaller than MAXPHYS.
50 #define BUFSIZE_SMALL (MAXPHYS)
56 #define MIN(x,y) ((x) < (y) ? (x) : (y))
58 #define MAX(x,y) ((x) > (y) ? (x) : (y))
61 * Extra display information
63 #define BYTE_STATUS_SOLO "%'10lli bytes read @ %'9.1f bytes/sec."
64 #define BYTE_STATUS_MANY (BYTE_STATUS_SOLO " [%i/%i busy/wait]")
65 #define LINE_STATUS_SOLO "%'10lli lines read @ %'9.1f lines/sec."
66 #define LINE_STATUS_MANY (LINE_STATUS_SOLO " [%i/%i busy/wait]")
68 #endif /* !_DPV_UTIL_H_ */