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
|
/*
* fio - the flexible io tester
*
* Copyright (C) 2005 Jens Axboe <axboe@suse.de>
* Copyright (C) 2006-2012 Jens Axboe <axboe@kernel.dk>
*
* The license below covers all files distributed with fio unless otherwise
* noted in the file itself.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#include <unistd.h>
#include <locale.h>
#include <time.h>
#include "fio.h"
#include "hash.h"
#include "smalloc.h"
#include "verify.h"
#include "trim.h"
#include "diskutil.h"
#include "profile.h"
#include "lib/rand.h"
#include "memalign.h"
#include "server.h"
uintptr_t page_mask;
uintptr_t page_size;
static int endian_check(void)
{
union {
uint8_t c[8];
uint64_t v;
} u;
int le = 0, be = 0;
u.v = 0x12;
if (u.c[7] == 0x12)
be = 1;
else if (u.c[0] == 0x12)
le = 1;
#if defined(FIO_LITTLE_ENDIAN)
if (be)
return 1;
#elif defined(FIO_BIG_ENDIAN)
if (le)
return 1;
#else
return 1;
#endif
if (!le && !be)
return 1;
return 0;
}
int main(int argc, char *argv[], char *envp[])
{
long ps;
if (endian_check()) {
log_err("fio: endianness settings appear wrong.\n");
log_err("fio: please report this to fio@vger.kernel.org\n");
return 1;
}
arch_init(envp);
sinit();
/*
* We need locale for number printing, if it isn't set then just
* go with the US format.
*/
if (!getenv("LC_NUMERIC"))
setlocale(LC_NUMERIC, "en_US");
ps = sysconf(_SC_PAGESIZE);
if (ps < 0) {
log_err("Failed to get page size\n");
return 1;
}
page_size = ps;
page_mask = ps - 1;
fio_keywords_init();
if (parse_options(argc, argv))
return 1;
if (nr_clients)
return fio_handle_clients();
else
return fio_backend();
}
|
