Commit | Line | Data |
---|---|---|
2e1df07d JA |
1 | /* |
2 | * fio - the flexible io tester | |
3 | * | |
4 | * Copyright (C) 2005 Jens Axboe <axboe@suse.de> | |
5 | * Copyright (C) 2006-2012 Jens Axboe <axboe@kernel.dk> | |
6 | * | |
7 | * The license below covers all files distributed with fio unless otherwise | |
8 | * noted in the file itself. | |
9 | * | |
10 | * This program is free software; you can redistribute it and/or modify | |
11 | * it under the terms of the GNU General Public License version 2 as | |
12 | * published by the Free Software Foundation. | |
13 | * | |
14 | * This program is distributed in the hope that it will be useful, | |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | * GNU General Public License for more details. | |
18 | * | |
19 | * You should have received a copy of the GNU General Public License | |
20 | * along with this program; if not, write to the Free Software | |
21 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
22 | * | |
23 | */ | |
24 | ||
25 | #include <string.h> | |
26 | #include "fio.h" | |
27 | ||
28 | static const char *fio_os_strings[os_nr] = { | |
29 | "Invalid", | |
30 | "Linux", | |
31 | "AIX", | |
32 | "FreeBSD", | |
33 | "HP-UX", | |
34 | "OSX", | |
35 | "NetBSD", | |
36 | "Solaris", | |
37 | "Windows" | |
38 | }; | |
39 | ||
40 | static const char *fio_arch_strings[arch_nr] = { | |
41 | "Invalid", | |
42 | "x86-64", | |
43 | "x86", | |
44 | "ppc", | |
45 | "ia64", | |
46 | "s390", | |
47 | "alpha", | |
48 | "sparc", | |
49 | "sparc64", | |
50 | "arm", | |
51 | "sh", | |
52 | "hppa", | |
53 | "generic" | |
54 | }; | |
55 | ||
56 | static void reset_io_counters(struct thread_data *td) | |
57 | { | |
58 | td->stat_io_bytes[0] = td->stat_io_bytes[1] = 0; | |
59 | td->this_io_bytes[0] = td->this_io_bytes[1] = 0; | |
60 | td->stat_io_blocks[0] = td->stat_io_blocks[1] = 0; | |
61 | td->this_io_blocks[0] = td->this_io_blocks[1] = 0; | |
62 | td->zone_bytes = 0; | |
63 | td->rate_bytes[0] = td->rate_bytes[1] = 0; | |
64 | td->rate_blocks[0] = td->rate_blocks[1] = 0; | |
65 | ||
66 | td->last_was_sync = 0; | |
67 | ||
68 | /* | |
69 | * reset file done count if we are to start over | |
70 | */ | |
71 | if (td->o.time_based || td->o.loops) | |
72 | td->nr_done_files = 0; | |
73 | } | |
74 | ||
75 | void clear_io_state(struct thread_data *td) | |
76 | { | |
77 | struct fio_file *f; | |
78 | unsigned int i; | |
79 | ||
80 | reset_io_counters(td); | |
81 | ||
82 | close_files(td); | |
83 | for_each_file(td, f, i) | |
84 | fio_file_clear_done(f); | |
85 | ||
86 | /* | |
87 | * Set the same seed to get repeatable runs | |
88 | */ | |
89 | td_fill_rand_seeds(td); | |
90 | } | |
91 | ||
92 | void reset_all_stats(struct thread_data *td) | |
93 | { | |
94 | struct timeval tv; | |
95 | int i; | |
96 | ||
97 | reset_io_counters(td); | |
98 | ||
99 | for (i = 0; i < 2; i++) { | |
100 | td->io_bytes[i] = 0; | |
101 | td->io_blocks[i] = 0; | |
102 | td->io_issues[i] = 0; | |
103 | td->ts.total_io_u[i] = 0; | |
104 | } | |
105 | ||
106 | fio_gettime(&tv, NULL); | |
107 | td->ts.runtime[0] = 0; | |
108 | td->ts.runtime[1] = 0; | |
109 | memcpy(&td->epoch, &tv, sizeof(tv)); | |
110 | memcpy(&td->start, &tv, sizeof(tv)); | |
111 | } | |
112 | ||
113 | void reset_fio_state(void) | |
114 | { | |
115 | groupid = 0; | |
116 | thread_number = 0; | |
117 | nr_process = 0; | |
118 | nr_thread = 0; | |
119 | done_secs = 0; | |
120 | } | |
121 | ||
122 | const char *fio_get_os_string(int nr) | |
123 | { | |
124 | if (nr < os_nr) | |
125 | return fio_os_strings[nr]; | |
126 | ||
127 | return NULL; | |
128 | } | |
129 | ||
130 | const char *fio_get_arch_string(int nr) | |
131 | { | |
132 | if (nr < arch_nr) | |
133 | return fio_arch_strings[nr]; | |
134 | ||
135 | return NULL; | |
136 | } | |
137 | ||
138 | void td_set_runstate(struct thread_data *td, int runstate) | |
139 | { | |
140 | if (td->runstate == runstate) | |
141 | return; | |
142 | ||
143 | dprint(FD_PROCESS, "pid=%d: runstate %d -> %d\n", (int) td->pid, | |
144 | td->runstate, runstate); | |
145 | td->runstate = runstate; | |
146 | } | |
147 | ||
148 | void fio_terminate_threads(int group_id) | |
149 | { | |
150 | struct thread_data *td; | |
151 | int i; | |
152 | ||
153 | dprint(FD_PROCESS, "terminate group_id=%d\n", group_id); | |
154 | ||
155 | for_each_td(td, i) { | |
156 | if (group_id == TERMINATE_ALL || groupid == td->groupid) { | |
157 | dprint(FD_PROCESS, "setting terminate on %s/%d\n", | |
158 | td->o.name, (int) td->pid); | |
159 | td->terminate = 1; | |
160 | td->o.start_delay = 0; | |
161 | ||
162 | /* | |
163 | * if the thread is running, just let it exit | |
164 | */ | |
165 | if (!td->pid) | |
166 | continue; | |
167 | else if (td->runstate < TD_RAMP) | |
168 | kill(td->pid, SIGTERM); | |
169 | else { | |
170 | struct ioengine_ops *ops = td->io_ops; | |
171 | ||
172 | if (ops && (ops->flags & FIO_SIGTERM)) | |
173 | kill(td->pid, SIGTERM); | |
174 | } | |
175 | } | |
176 | } | |
177 | } | |
178 | ||
179 |