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 | ||
095181f2 | 30 | #define S_OPTS "d:D:e:hi:I:l:M:o:p:q:s:S:Vv" |
63eba147 JA |
31 | static struct option l_opts[] = { |
32 | { | |
33 | .name = "range-delta", | |
34 | .has_arg = required_argument, | |
35 | .flag = NULL, | |
36 | .val = 'd' | |
37 | }, | |
38 | { | |
39 | .name = "devices", | |
40 | .has_arg = required_argument, | |
41 | .flag = NULL, | |
42 | .val = 'D' | |
43 | }, | |
44 | { | |
45 | .name = "exes", | |
46 | .has_arg = required_argument, | |
47 | .flag = NULL, | |
48 | .val = 'e' | |
49 | }, | |
50 | { | |
51 | .name = "help", | |
52 | .has_arg = no_argument, | |
53 | .flag = NULL, | |
54 | .val = 'h' | |
55 | }, | |
21e47d90 ADB |
56 | { |
57 | .name = "input-file", | |
58 | .has_arg = required_argument, | |
59 | .flag = NULL, | |
60 | .val = 'i' | |
61 | }, | |
62 | { | |
63 | .name = "iostat", | |
64 | .has_arg = required_argument, | |
65 | .flag = NULL, | |
66 | .val = 'I' | |
67 | }, | |
b2ecdd0f ADB |
68 | { |
69 | .name = "d2c-latencies", | |
70 | .has_arg = required_argument, | |
71 | .flag = NULL, | |
72 | .val = 'l' | |
73 | }, | |
63eba147 JA |
74 | { |
75 | .name = "dev-maps", | |
76 | .has_arg = required_argument, | |
77 | .flag = NULL, | |
78 | .val = 'M' | |
79 | }, | |
63eba147 JA |
80 | { |
81 | .name = "output-file", | |
82 | .has_arg = required_argument, | |
83 | .flag = NULL, | |
84 | .val = 'o' | |
85 | }, | |
095181f2 JA |
86 | { |
87 | .name = "per-io-dump", | |
88 | .has_arg = required_argument, | |
89 | .flag = NULL, | |
90 | .val = 'p' | |
91 | }, | |
b2ecdd0f ADB |
92 | { |
93 | .name = "q2c-latencies", | |
94 | .has_arg = required_argument, | |
95 | .flag = NULL, | |
96 | .val = 'q' | |
97 | }, | |
5225e788 AB |
98 | { |
99 | .name = "seeks", | |
100 | .has_arg = required_argument, | |
101 | .flag = NULL, | |
102 | .val = 's' | |
103 | }, | |
21e47d90 ADB |
104 | { |
105 | .name = "iostat-interval", | |
106 | .has_arg = required_argument, | |
107 | .flag = NULL, | |
108 | .val = 'S' | |
109 | }, | |
63eba147 JA |
110 | { |
111 | .name = "version", | |
112 | .has_arg = no_argument, | |
113 | .flag = NULL, | |
114 | .val = 'V' | |
115 | }, | |
116 | { | |
117 | .name = "verbose", | |
118 | .has_arg = no_argument, | |
119 | .flag = NULL, | |
120 | .val = 'v' | |
121 | }, | |
122 | { | |
123 | .name = NULL, | |
124 | } | |
125 | }; | |
126 | ||
127 | static char usage_str[] = \ | |
128 | "\n[ -d <seconds> | --range-delta=<seconds> ]\n" \ | |
80c27cbe | 129 | "[ -D <dev;...> | --devices=<dev;...> ]\n" \ |
63eba147 JA |
130 | "[ -e <exe,...> | --exes=<exe,...> ]\n" \ |
131 | "[ -h | --help ]\n" \ | |
132 | "[ -i <input name> | --input-file=<input name> ]\n" \ | |
21e47d90 | 133 | "[ -I <output name> | --iostat=<output name> ]\n" \ |
b2ecdd0f | 134 | "[ -l <output name> | --d2c-latencies=<output name> ]\n" \ |
21e47d90 | 135 | "[ -M <dev map> | --dev-maps=<dev map>\n" \ |
63eba147 | 136 | "[ -o <output name> | --output-file=<output name> ]\n" \ |
095181f2 | 137 | "[ -p <output name> | --per-io-dump=<output name> ]\n" \ |
b2ecdd0f | 138 | "[ -q <output name> | --q2c-latencies=<output name> ]\n" \ |
5225e788 | 139 | "[ -s <output name> | --seeks=<output name> ]\n" \ |
21e47d90 | 140 | "[ -S <interval> | --iostat-interval=<interval> ]\n" \ |
63eba147 JA |
141 | "[ -V | --version ]\n" \ |
142 | "[ -v | --verbose ]\n\n"; | |
143 | ||
144 | static void usage(char *prog) | |
145 | { | |
146 | fprintf(stderr, "Usage: %s %s %s", prog, bt_timeline_version, | |
147 | usage_str); | |
148 | } | |
149 | ||
150 | void handle_args(int argc, char *argv[]) | |
151 | { | |
152 | int c; | |
63eba147 JA |
153 | |
154 | while ((c = getopt_long(argc, argv, S_OPTS, l_opts, NULL)) != -1) { | |
155 | switch (c) { | |
156 | case 'd': | |
157 | sscanf(optarg, "%lf", &range_delta); | |
158 | break; | |
159 | case 'D': | |
6eb42155 | 160 | devices = strdup(optarg); |
63eba147 JA |
161 | break; |
162 | case 'e': | |
6eb42155 | 163 | exes = strdup(optarg); |
63eba147 JA |
164 | break; |
165 | case 'h': | |
166 | usage(argv[0]); | |
167 | exit(0); | |
168 | case 'i': | |
6eb42155 | 169 | input_name = strdup(optarg); |
63eba147 | 170 | break; |
b2ecdd0f | 171 | case 'l': |
6eb42155 | 172 | d2c_name = strdup(optarg); |
b2ecdd0f | 173 | break; |
21e47d90 | 174 | case 'I': |
6eb42155 | 175 | iostat_name = strdup(optarg); |
21e47d90 | 176 | break; |
63eba147 | 177 | case 'M': |
6eb42155 ADB |
178 | if (dev_map_read(optarg)) |
179 | exit(1); | |
63eba147 JA |
180 | break; |
181 | case 'o': | |
6eb42155 | 182 | output_name = strdup(optarg); |
63eba147 | 183 | break; |
095181f2 JA |
184 | case 'p': |
185 | per_io_name = strdup(optarg); | |
186 | break; | |
b2ecdd0f | 187 | case 'q': |
6eb42155 | 188 | q2c_name = strdup(optarg); |
b2ecdd0f | 189 | break; |
5225e788 | 190 | case 's': |
6eb42155 | 191 | seek_name = strdup(optarg); |
5225e788 | 192 | break; |
21e47d90 ADB |
193 | case 'S': { |
194 | unsigned int interval; | |
195 | sscanf(optarg, "%u", &interval); | |
6eb42155 | 196 | iostat_interval = (__u64)interval * 1000000000LL; |
21e47d90 ADB |
197 | break; |
198 | } | |
63eba147 JA |
199 | case 'v': |
200 | verbose = 1; | |
201 | break; | |
202 | case 'V': | |
203 | printf("%s version %s\n", argv[0], bt_timeline_version); | |
204 | exit(0); | |
205 | default: | |
206 | usage(argv[0]); | |
207 | exit(1); | |
208 | } | |
209 | } | |
210 | ||
80c27cbe | 211 | if (input_name == NULL) { |
63eba147 JA |
212 | usage(argv[0]); |
213 | exit(1); | |
214 | } | |
215 | ||
216 | ifd = open(input_name, O_RDONLY); | |
217 | if (ifd < 0) { | |
218 | perror(input_name); | |
219 | exit(1); | |
220 | } | |
221 | ||
63eba147 JA |
222 | if (output_name == NULL) |
223 | ranges_ofp = avgs_ofp = stdout; | |
224 | else { | |
6eb42155 | 225 | char *fname = malloc(strlen(output_name) + 32); |
63eba147 JA |
226 | |
227 | sprintf(fname, "%s.dat", output_name); | |
228 | ranges_ofp = fopen(fname, "w"); | |
229 | if (ranges_ofp == NULL) { | |
230 | perror(fname); | |
231 | exit(1); | |
232 | } | |
233 | if (verbose) | |
6eb42155 | 234 | printf("Sending range data to %s.dat\n", output_name); |
63eba147 JA |
235 | |
236 | sprintf(fname, "%s.avg", output_name); | |
237 | avgs_ofp = fopen(fname, "w"); | |
238 | if (avgs_ofp == NULL) { | |
239 | perror(fname); | |
240 | exit(1); | |
241 | } | |
242 | if (verbose) | |
6eb42155 | 243 | printf("Sending stats data to %s.avg\n", output_name); |
63eba147 JA |
244 | |
245 | free(fname); | |
246 | } | |
21e47d90 ADB |
247 | |
248 | if (iostat_name != NULL) { | |
249 | iostat_ofp = fopen(iostat_name, "w"); | |
250 | if (iostat_ofp == NULL) { | |
251 | perror(iostat_name); | |
252 | exit(1); | |
253 | } | |
254 | } | |
095181f2 JA |
255 | |
256 | if (per_io_name != NULL) { | |
257 | per_io_ofp = fopen(per_io_name, "w"); | |
258 | if (per_io_ofp == NULL) { | |
259 | perror(per_io_name); | |
260 | exit(1); | |
261 | } | |
262 | } | |
63eba147 | 263 | } |