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63eba147 JA |
1 | /* |
2 | * blktrace output analysis: generate a timeline & gather statistics | |
3 | * | |
4 | * Copyright (C) 2006 Alan D. Brunelle <Alan.Brunelle@hp.com> | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, write to the Free Software | |
18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
19 | * | |
20 | */ | |
21 | ||
22 | #include <stdio.h> | |
23 | #include <stdlib.h> | |
24 | #include <getopt.h> | |
25 | #include <sys/types.h> | |
26 | #include <sys/stat.h> | |
27 | #include <fcntl.h> | |
63eba147 JA |
28 | #include "globals.h" |
29 | ||
74dc9101 | 30 | #define S_OPTS "Ad:D:e:hi:I:l:M:o:p:q:s:S:t:T:Vv" |
63eba147 | 31 | static struct option l_opts[] = { |
74dc9101 AB |
32 | { |
33 | .name = "all-data", | |
34 | .has_arg = no_argument, | |
35 | .flag = NULL, | |
36 | .val = 'A' | |
37 | }, | |
63eba147 JA |
38 | { |
39 | .name = "range-delta", | |
40 | .has_arg = required_argument, | |
41 | .flag = NULL, | |
42 | .val = 'd' | |
43 | }, | |
44 | { | |
45 | .name = "devices", | |
46 | .has_arg = required_argument, | |
47 | .flag = NULL, | |
48 | .val = 'D' | |
49 | }, | |
50 | { | |
51 | .name = "exes", | |
52 | .has_arg = required_argument, | |
53 | .flag = NULL, | |
54 | .val = 'e' | |
55 | }, | |
56 | { | |
57 | .name = "help", | |
58 | .has_arg = no_argument, | |
59 | .flag = NULL, | |
60 | .val = 'h' | |
61 | }, | |
21e47d90 ADB |
62 | { |
63 | .name = "input-file", | |
64 | .has_arg = required_argument, | |
65 | .flag = NULL, | |
66 | .val = 'i' | |
67 | }, | |
68 | { | |
69 | .name = "iostat", | |
70 | .has_arg = required_argument, | |
71 | .flag = NULL, | |
72 | .val = 'I' | |
73 | }, | |
b2ecdd0f ADB |
74 | { |
75 | .name = "d2c-latencies", | |
76 | .has_arg = required_argument, | |
77 | .flag = NULL, | |
78 | .val = 'l' | |
79 | }, | |
63eba147 JA |
80 | { |
81 | .name = "dev-maps", | |
82 | .has_arg = required_argument, | |
83 | .flag = NULL, | |
84 | .val = 'M' | |
85 | }, | |
63eba147 JA |
86 | { |
87 | .name = "output-file", | |
88 | .has_arg = required_argument, | |
89 | .flag = NULL, | |
90 | .val = 'o' | |
91 | }, | |
095181f2 JA |
92 | { |
93 | .name = "per-io-dump", | |
94 | .has_arg = required_argument, | |
95 | .flag = NULL, | |
96 | .val = 'p' | |
97 | }, | |
b2ecdd0f ADB |
98 | { |
99 | .name = "q2c-latencies", | |
100 | .has_arg = required_argument, | |
101 | .flag = NULL, | |
102 | .val = 'q' | |
103 | }, | |
5225e788 AB |
104 | { |
105 | .name = "seeks", | |
106 | .has_arg = required_argument, | |
107 | .flag = NULL, | |
108 | .val = 's' | |
109 | }, | |
21e47d90 ADB |
110 | { |
111 | .name = "iostat-interval", | |
112 | .has_arg = required_argument, | |
113 | .flag = NULL, | |
114 | .val = 'S' | |
115 | }, | |
001b2633 JA |
116 | { |
117 | .name = "time-start", | |
118 | .has_arg = required_argument, | |
119 | .flag = NULL, | |
120 | .val = 't' | |
121 | }, | |
122 | { | |
123 | .name = "time-end", | |
124 | .has_arg = required_argument, | |
125 | .flag = NULL, | |
126 | .val = 'T' | |
127 | }, | |
63eba147 JA |
128 | { |
129 | .name = "version", | |
130 | .has_arg = no_argument, | |
131 | .flag = NULL, | |
132 | .val = 'V' | |
133 | }, | |
134 | { | |
135 | .name = "verbose", | |
136 | .has_arg = no_argument, | |
137 | .flag = NULL, | |
138 | .val = 'v' | |
139 | }, | |
140 | { | |
141 | .name = NULL, | |
142 | } | |
143 | }; | |
144 | ||
145 | static char usage_str[] = \ | |
146 | "\n[ -d <seconds> | --range-delta=<seconds> ]\n" \ | |
80c27cbe | 147 | "[ -D <dev;...> | --devices=<dev;...> ]\n" \ |
63eba147 JA |
148 | "[ -e <exe,...> | --exes=<exe,...> ]\n" \ |
149 | "[ -h | --help ]\n" \ | |
150 | "[ -i <input name> | --input-file=<input name> ]\n" \ | |
21e47d90 | 151 | "[ -I <output name> | --iostat=<output name> ]\n" \ |
b2ecdd0f | 152 | "[ -l <output name> | --d2c-latencies=<output name> ]\n" \ |
21e47d90 | 153 | "[ -M <dev map> | --dev-maps=<dev map>\n" \ |
63eba147 | 154 | "[ -o <output name> | --output-file=<output name> ]\n" \ |
095181f2 | 155 | "[ -p <output name> | --per-io-dump=<output name> ]\n" \ |
b2ecdd0f | 156 | "[ -q <output name> | --q2c-latencies=<output name> ]\n" \ |
5225e788 | 157 | "[ -s <output name> | --seeks=<output name> ]\n" \ |
21e47d90 | 158 | "[ -S <interval> | --iostat-interval=<interval> ]\n" \ |
001b2633 JA |
159 | "[ -t <sec> | --time-start=<sec> ]\n" \ |
160 | "[ -T <sec> | --time-end=<sec> ]\n" \ | |
63eba147 JA |
161 | "[ -V | --version ]\n" \ |
162 | "[ -v | --verbose ]\n\n"; | |
163 | ||
164 | static void usage(char *prog) | |
165 | { | |
166 | fprintf(stderr, "Usage: %s %s %s", prog, bt_timeline_version, | |
167 | usage_str); | |
168 | } | |
169 | ||
170 | void handle_args(int argc, char *argv[]) | |
171 | { | |
172 | int c; | |
63eba147 JA |
173 | |
174 | while ((c = getopt_long(argc, argv, S_OPTS, l_opts, NULL)) != -1) { | |
175 | switch (c) { | |
74dc9101 AB |
176 | case 'A': |
177 | output_all_data = 1; | |
178 | break; | |
63eba147 JA |
179 | case 'd': |
180 | sscanf(optarg, "%lf", &range_delta); | |
181 | break; | |
182 | case 'D': | |
6eb42155 | 183 | devices = strdup(optarg); |
63eba147 JA |
184 | break; |
185 | case 'e': | |
6eb42155 | 186 | exes = strdup(optarg); |
63eba147 JA |
187 | break; |
188 | case 'h': | |
189 | usage(argv[0]); | |
190 | exit(0); | |
191 | case 'i': | |
6eb42155 | 192 | input_name = strdup(optarg); |
63eba147 | 193 | break; |
b2ecdd0f | 194 | case 'l': |
6eb42155 | 195 | d2c_name = strdup(optarg); |
b2ecdd0f | 196 | break; |
21e47d90 | 197 | case 'I': |
6eb42155 | 198 | iostat_name = strdup(optarg); |
21e47d90 | 199 | break; |
63eba147 | 200 | case 'M': |
6eb42155 ADB |
201 | if (dev_map_read(optarg)) |
202 | exit(1); | |
63eba147 JA |
203 | break; |
204 | case 'o': | |
6eb42155 | 205 | output_name = strdup(optarg); |
63eba147 | 206 | break; |
095181f2 JA |
207 | case 'p': |
208 | per_io_name = strdup(optarg); | |
209 | break; | |
b2ecdd0f | 210 | case 'q': |
6eb42155 | 211 | q2c_name = strdup(optarg); |
b2ecdd0f | 212 | break; |
5225e788 | 213 | case 's': |
6eb42155 | 214 | seek_name = strdup(optarg); |
5225e788 | 215 | break; |
21e47d90 ADB |
216 | case 'S': { |
217 | unsigned int interval; | |
218 | sscanf(optarg, "%u", &interval); | |
6eb42155 | 219 | iostat_interval = (__u64)interval * 1000000000LL; |
21e47d90 ADB |
220 | break; |
221 | } | |
001b2633 JA |
222 | case 't': |
223 | sscanf(optarg, "%lf", &t_astart); | |
224 | time_bounded = 1; | |
225 | break; | |
226 | case 'T': | |
227 | sscanf(optarg, "%lf", &t_aend); | |
228 | time_bounded = 1; | |
229 | break; | |
63eba147 JA |
230 | case 'v': |
231 | verbose = 1; | |
232 | break; | |
233 | case 'V': | |
234 | printf("%s version %s\n", argv[0], bt_timeline_version); | |
235 | exit(0); | |
236 | default: | |
237 | usage(argv[0]); | |
238 | exit(1); | |
239 | } | |
240 | } | |
241 | ||
80c27cbe | 242 | if (input_name == NULL) { |
63eba147 JA |
243 | usage(argv[0]); |
244 | exit(1); | |
245 | } | |
246 | ||
d76c5b81 | 247 | setup_ifile(input_name); |
63eba147 | 248 | |
63eba147 JA |
249 | if (output_name == NULL) |
250 | ranges_ofp = avgs_ofp = stdout; | |
251 | else { | |
6eb42155 | 252 | char *fname = malloc(strlen(output_name) + 32); |
63eba147 JA |
253 | |
254 | sprintf(fname, "%s.dat", output_name); | |
255 | ranges_ofp = fopen(fname, "w"); | |
256 | if (ranges_ofp == NULL) { | |
257 | perror(fname); | |
258 | exit(1); | |
259 | } | |
260 | if (verbose) | |
6eb42155 | 261 | printf("Sending range data to %s.dat\n", output_name); |
63eba147 JA |
262 | |
263 | sprintf(fname, "%s.avg", output_name); | |
264 | avgs_ofp = fopen(fname, "w"); | |
265 | if (avgs_ofp == NULL) { | |
266 | perror(fname); | |
267 | exit(1); | |
268 | } | |
269 | if (verbose) | |
6eb42155 | 270 | printf("Sending stats data to %s.avg\n", output_name); |
63eba147 JA |
271 | |
272 | free(fname); | |
273 | } | |
21e47d90 ADB |
274 | |
275 | if (iostat_name != NULL) { | |
276 | iostat_ofp = fopen(iostat_name, "w"); | |
277 | if (iostat_ofp == NULL) { | |
278 | perror(iostat_name); | |
279 | exit(1); | |
280 | } | |
d76c5b81 | 281 | setbuffer(iostat_ofp, malloc(64 * 1024), 64 * 1024); |
21e47d90 | 282 | } |
095181f2 JA |
283 | |
284 | if (per_io_name != NULL) { | |
285 | per_io_ofp = fopen(per_io_name, "w"); | |
286 | if (per_io_ofp == NULL) { | |
287 | perror(per_io_name); | |
288 | exit(1); | |
289 | } | |
d76c5b81 | 290 | setbuffer(per_io_ofp, malloc(64 * 1024), 64 * 1024); |
095181f2 | 291 | } |
63eba147 | 292 | } |