Commit | Line | Data |
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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 | ||
69040794 AB |
30 | #define SETBUFFER_SIZE (64 * 1024) |
31 | ||
f028c958 | 32 | #define S_OPTS "aAB:d:D:e:hi:I:l:M:o:p:q:s:S:t:T:u:VvX" |
63eba147 | 33 | static struct option l_opts[] = { |
69040794 AB |
34 | { |
35 | .name = "seek-absolute", | |
36 | .has_arg = no_argument, | |
37 | .flag = NULL, | |
38 | .val = 'a' | |
39 | }, | |
74dc9101 AB |
40 | { |
41 | .name = "all-data", | |
42 | .has_arg = no_argument, | |
43 | .flag = NULL, | |
44 | .val = 'A' | |
45 | }, | |
69040794 AB |
46 | { |
47 | .name = "dump-blocknos", | |
48 | .has_arg = required_argument, | |
49 | .flag = NULL, | |
50 | .val = 'B' | |
51 | }, | |
63eba147 JA |
52 | { |
53 | .name = "range-delta", | |
54 | .has_arg = required_argument, | |
55 | .flag = NULL, | |
56 | .val = 'd' | |
57 | }, | |
58 | { | |
59 | .name = "devices", | |
60 | .has_arg = required_argument, | |
61 | .flag = NULL, | |
62 | .val = 'D' | |
63 | }, | |
64 | { | |
65 | .name = "exes", | |
66 | .has_arg = required_argument, | |
67 | .flag = NULL, | |
68 | .val = 'e' | |
69 | }, | |
70 | { | |
71 | .name = "help", | |
72 | .has_arg = no_argument, | |
73 | .flag = NULL, | |
74 | .val = 'h' | |
75 | }, | |
21e47d90 ADB |
76 | { |
77 | .name = "input-file", | |
78 | .has_arg = required_argument, | |
79 | .flag = NULL, | |
80 | .val = 'i' | |
81 | }, | |
82 | { | |
83 | .name = "iostat", | |
84 | .has_arg = required_argument, | |
85 | .flag = NULL, | |
86 | .val = 'I' | |
87 | }, | |
b2ecdd0f ADB |
88 | { |
89 | .name = "d2c-latencies", | |
90 | .has_arg = required_argument, | |
91 | .flag = NULL, | |
92 | .val = 'l' | |
93 | }, | |
63eba147 JA |
94 | { |
95 | .name = "dev-maps", | |
96 | .has_arg = required_argument, | |
97 | .flag = NULL, | |
98 | .val = 'M' | |
99 | }, | |
63eba147 JA |
100 | { |
101 | .name = "output-file", | |
102 | .has_arg = required_argument, | |
103 | .flag = NULL, | |
104 | .val = 'o' | |
105 | }, | |
095181f2 JA |
106 | { |
107 | .name = "per-io-dump", | |
108 | .has_arg = required_argument, | |
109 | .flag = NULL, | |
110 | .val = 'p' | |
111 | }, | |
b2ecdd0f ADB |
112 | { |
113 | .name = "q2c-latencies", | |
114 | .has_arg = required_argument, | |
115 | .flag = NULL, | |
116 | .val = 'q' | |
117 | }, | |
5225e788 AB |
118 | { |
119 | .name = "seeks", | |
120 | .has_arg = required_argument, | |
121 | .flag = NULL, | |
122 | .val = 's' | |
123 | }, | |
21e47d90 ADB |
124 | { |
125 | .name = "iostat-interval", | |
126 | .has_arg = required_argument, | |
127 | .flag = NULL, | |
128 | .val = 'S' | |
129 | }, | |
001b2633 JA |
130 | { |
131 | .name = "time-start", | |
132 | .has_arg = required_argument, | |
133 | .flag = NULL, | |
134 | .val = 't' | |
135 | }, | |
136 | { | |
137 | .name = "time-end", | |
138 | .has_arg = required_argument, | |
139 | .flag = NULL, | |
140 | .val = 'T' | |
141 | }, | |
fc16a815 AB |
142 | { |
143 | .name = "unplug-hist", | |
144 | .has_arg = required_argument, | |
145 | .flag = NULL, | |
146 | .val = 'u' | |
147 | }, | |
63eba147 JA |
148 | { |
149 | .name = "version", | |
150 | .has_arg = no_argument, | |
151 | .flag = NULL, | |
152 | .val = 'V' | |
153 | }, | |
154 | { | |
155 | .name = "verbose", | |
156 | .has_arg = no_argument, | |
157 | .flag = NULL, | |
158 | .val = 'v' | |
159 | }, | |
f028c958 AB |
160 | { |
161 | .name = "easy-parse-avgs", | |
162 | .has_arg = no_argument, | |
163 | .flag = NULL, | |
164 | .val = 'X' | |
165 | }, | |
63eba147 JA |
166 | { |
167 | .name = NULL, | |
168 | } | |
169 | }; | |
170 | ||
171 | static char usage_str[] = \ | |
69040794 AB |
172 | "\n[ -a | --seek-absolute ]\n" \ |
173 | "[ -A | --all-data ]\n" \ | |
174 | "[ -B <output name> | --dump-blocknos=<output name> ]\n" \ | |
512566d4 | 175 | "[ -d <seconds> | --range-delta=<seconds> ]\n" \ |
80c27cbe | 176 | "[ -D <dev;...> | --devices=<dev;...> ]\n" \ |
63eba147 JA |
177 | "[ -e <exe,...> | --exes=<exe,...> ]\n" \ |
178 | "[ -h | --help ]\n" \ | |
179 | "[ -i <input name> | --input-file=<input name> ]\n" \ | |
21e47d90 | 180 | "[ -I <output name> | --iostat=<output name> ]\n" \ |
b2ecdd0f | 181 | "[ -l <output name> | --d2c-latencies=<output name> ]\n" \ |
21e47d90 | 182 | "[ -M <dev map> | --dev-maps=<dev map>\n" \ |
63eba147 | 183 | "[ -o <output name> | --output-file=<output name> ]\n" \ |
095181f2 | 184 | "[ -p <output name> | --per-io-dump=<output name> ]\n" \ |
b2ecdd0f | 185 | "[ -q <output name> | --q2c-latencies=<output name> ]\n" \ |
5225e788 | 186 | "[ -s <output name> | --seeks=<output name> ]\n" \ |
21e47d90 | 187 | "[ -S <interval> | --iostat-interval=<interval> ]\n" \ |
001b2633 JA |
188 | "[ -t <sec> | --time-start=<sec> ]\n" \ |
189 | "[ -T <sec> | --time-end=<sec> ]\n" \ | |
f028c958 | 190 | "[ -u <output name> | --unplug-hist=<output name> ]\n" \ |
63eba147 | 191 | "[ -V | --version ]\n" \ |
f028c958 AB |
192 | "[ -v | --verbose ]\n" \ |
193 | "[ -X | --easy-parse-avgs ]\n" \ | |
194 | "\n"; | |
63eba147 | 195 | |
69040794 AB |
196 | static struct file_info *arg_files = NULL; |
197 | ||
63eba147 JA |
198 | static void usage(char *prog) |
199 | { | |
200 | fprintf(stderr, "Usage: %s %s %s", prog, bt_timeline_version, | |
201 | usage_str); | |
202 | } | |
203 | ||
69040794 AB |
204 | static FILE *setup_ofile(char *fname) |
205 | { | |
206 | if (fname) { | |
207 | char *buf; | |
208 | FILE *ofp = fopen(fname, "w"); | |
209 | ||
210 | if (!ofp) { | |
211 | perror(fname); | |
212 | exit(1); | |
213 | } | |
214 | ||
215 | buf = malloc(SETBUFFER_SIZE); | |
69040794 AB |
216 | |
217 | setbuffer(ofp, buf, SETBUFFER_SIZE); | |
218 | add_file(&arg_files, ofp, fname); | |
219 | add_buf(buf); | |
220 | return ofp; | |
221 | } | |
222 | ||
223 | return NULL; | |
224 | } | |
225 | ||
226 | void clean_args(void) | |
227 | { | |
228 | clean_files(&arg_files); | |
229 | } | |
230 | ||
63eba147 JA |
231 | void handle_args(int argc, char *argv[]) |
232 | { | |
233 | int c; | |
63eba147 JA |
234 | |
235 | while ((c = getopt_long(argc, argv, S_OPTS, l_opts, NULL)) != -1) { | |
236 | switch (c) { | |
69040794 AB |
237 | case 'a': |
238 | seek_absolute = 1; | |
239 | break; | |
74dc9101 AB |
240 | case 'A': |
241 | output_all_data = 1; | |
242 | break; | |
69040794 AB |
243 | case 'B': |
244 | bno_dump_name = strdup(optarg); | |
245 | break; | |
63eba147 JA |
246 | case 'd': |
247 | sscanf(optarg, "%lf", &range_delta); | |
248 | break; | |
249 | case 'D': | |
6eb42155 | 250 | devices = strdup(optarg); |
63eba147 JA |
251 | break; |
252 | case 'e': | |
6eb42155 | 253 | exes = strdup(optarg); |
63eba147 JA |
254 | break; |
255 | case 'h': | |
256 | usage(argv[0]); | |
257 | exit(0); | |
258 | case 'i': | |
6eb42155 | 259 | input_name = strdup(optarg); |
63eba147 | 260 | break; |
b2ecdd0f | 261 | case 'l': |
6eb42155 | 262 | d2c_name = strdup(optarg); |
b2ecdd0f | 263 | break; |
21e47d90 | 264 | case 'I': |
6eb42155 | 265 | iostat_name = strdup(optarg); |
21e47d90 | 266 | break; |
63eba147 | 267 | case 'M': |
6eb42155 ADB |
268 | if (dev_map_read(optarg)) |
269 | exit(1); | |
63eba147 JA |
270 | break; |
271 | case 'o': | |
6eb42155 | 272 | output_name = strdup(optarg); |
63eba147 | 273 | break; |
095181f2 JA |
274 | case 'p': |
275 | per_io_name = strdup(optarg); | |
276 | break; | |
b2ecdd0f | 277 | case 'q': |
6eb42155 | 278 | q2c_name = strdup(optarg); |
b2ecdd0f | 279 | break; |
5225e788 | 280 | case 's': |
6eb42155 | 281 | seek_name = strdup(optarg); |
5225e788 | 282 | break; |
21e47d90 ADB |
283 | case 'S': { |
284 | unsigned int interval; | |
285 | sscanf(optarg, "%u", &interval); | |
6eb42155 | 286 | iostat_interval = (__u64)interval * 1000000000LL; |
21e47d90 ADB |
287 | break; |
288 | } | |
001b2633 JA |
289 | case 't': |
290 | sscanf(optarg, "%lf", &t_astart); | |
291 | time_bounded = 1; | |
292 | break; | |
293 | case 'T': | |
294 | sscanf(optarg, "%lf", &t_aend); | |
295 | time_bounded = 1; | |
296 | break; | |
fc16a815 AB |
297 | case 'u': |
298 | unplug_hist_name = strdup(optarg); | |
299 | break; | |
63eba147 JA |
300 | case 'v': |
301 | verbose = 1; | |
302 | break; | |
303 | case 'V': | |
304 | printf("%s version %s\n", argv[0], bt_timeline_version); | |
305 | exit(0); | |
f028c958 AB |
306 | case 'X': |
307 | easy_parse_avgs++; | |
308 | break; | |
63eba147 JA |
309 | default: |
310 | usage(argv[0]); | |
311 | exit(1); | |
312 | } | |
313 | } | |
314 | ||
80c27cbe | 315 | if (input_name == NULL) { |
63eba147 JA |
316 | usage(argv[0]); |
317 | exit(1); | |
318 | } | |
319 | ||
d76c5b81 | 320 | setup_ifile(input_name); |
63eba147 | 321 | |
f028c958 | 322 | if (output_name == NULL) { |
63eba147 | 323 | ranges_ofp = avgs_ofp = stdout; |
f028c958 AB |
324 | easy_parse_avgs = 0; |
325 | } | |
63eba147 | 326 | else { |
6eb42155 | 327 | char *fname = malloc(strlen(output_name) + 32); |
63eba147 JA |
328 | |
329 | sprintf(fname, "%s.dat", output_name); | |
330 | ranges_ofp = fopen(fname, "w"); | |
331 | if (ranges_ofp == NULL) { | |
332 | perror(fname); | |
333 | exit(1); | |
334 | } | |
335 | if (verbose) | |
f028c958 | 336 | printf("Sending range data to %s\n", fname); |
63eba147 JA |
337 | |
338 | sprintf(fname, "%s.avg", output_name); | |
339 | avgs_ofp = fopen(fname, "w"); | |
340 | if (avgs_ofp == NULL) { | |
341 | perror(fname); | |
342 | exit(1); | |
343 | } | |
344 | if (verbose) | |
f028c958 AB |
345 | printf("Sending stats data to %s\n", fname); |
346 | ||
347 | if (easy_parse_avgs) { | |
348 | sprintf(fname, "%s.xvg", output_name); | |
349 | xavgs_ofp = fopen(fname, "w"); | |
350 | if (avgs_ofp == NULL) { | |
351 | perror(fname); | |
352 | exit(1); | |
353 | } | |
354 | if (verbose) | |
355 | printf("Sending X stats data to %s\n", fname); | |
356 | } | |
63eba147 JA |
357 | |
358 | free(fname); | |
359 | } | |
21e47d90 | 360 | |
69040794 AB |
361 | iostat_ofp = setup_ofile(iostat_name); |
362 | per_io_ofp = setup_ofile(per_io_name); | |
63eba147 | 363 | } |