tiobench.c revision e58eb86d6ce20f7a550dfd28b6c789db5adab95b 
1#include "../fio.h"
2#include "../profile.h"
3#include "../parse.h"
4
5static unsigned long long size;
6static unsigned int loops = 1;
7static unsigned int bs = 4096;
8static unsigned int nthreads = 1;
9static char *dir;
10
11char sz_idx[80], bs_idx[80], loop_idx[80], dir_idx[80], t_idx[80];
12
13static const char *tb_opts[] = {
14	"buffered=0", sz_idx, bs_idx, loop_idx, dir_idx, t_idx,
15	"timeout=600", "group_reporting", "thread", "overwrite=1",
16	"filename=.fio.tio.1:.fio.tio.2:.fio.tio.3:.fio.tio.4",
17	"name=seqwrite", "rw=write", "end_fsync=1",
18	"name=randwrite", "stonewall", "rw=randwrite", "end_fsync=1",
19	"name=seqread", "stonewall", "rw=read",
20	"name=randread", "stonewall", "rw=randread", NULL,
21};
22
23static struct fio_option options[] = {
24	{
25		.name	= "size",
26		.type	= FIO_OPT_STR_VAL,
27		.roff1	= &size,
28		.help	= "Size in MB",
29	},
30	{
31		.name	= "block",
32		.type	= FIO_OPT_INT,
33		.roff1	= &bs,
34		.help	= "Block size in bytes",
35		.def	= "4k",
36	},
37	{
38		.name	= "numruns",
39		.type	= FIO_OPT_INT,
40		.roff1	= &loops,
41		.help	= "Number of runs",
42	},
43	{
44		.name	= "dir",
45		.type	= FIO_OPT_STR_STORE,
46		.roff1	= &dir,
47		.help	= "Test directory",
48	},
49	{
50		.name	= "threads",
51		.type	= FIO_OPT_INT,
52		.roff1	= &nthreads,
53		.help	= "Number of Threads",
54	},
55	{
56		.name	= NULL,
57	},
58};
59
60/*
61 * Fill our private options into the command line
62 */
63static void tb_prep_cmdline(void)
64{
65
66	/*
67	 * tiobench uses size as MB, so multiply up
68	 */
69	size *= 1024 * 1024ULL;
70	if (size)
71		sprintf(sz_idx, "size=%llu", size);
72	else
73		strcpy(sz_idx, "size=4*1024*$mb_memory");
74
75	sprintf(bs_idx, "bs=%u", bs);
76	sprintf(loop_idx, "loops=%u", loops);
77
78	if (dir)
79		sprintf(dir_idx, "directory=%s", dir);
80	else
81		sprintf(dir_idx, "directory=./");
82
83	sprintf(t_idx, "numjobs=%u", nthreads);
84}
85
86static struct profile_ops tiobench_profile = {
87	.name		= "tiobench",
88	.desc		= "Emulate behaviour of the tiotest/tiobench benchmark",
89	.options	= options,
90	.prep_cmd	= tb_prep_cmdline,
91	.cmdline	= tb_opts,
92};
93
94static void fio_init tiobench_register(void)
95{
96	if (register_profile(&tiobench_profile))
97		log_err("fio: failed to register profile 'tiobench'\n");
98}
99
100static void fio_exit tiobench_unregister(void)
101{
102	unregister_profile(&tiobench_profile);
103}
104