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6d031c0b LP |
1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
2 | ||
cd3bccaa | 3 | /*** |
6d031c0b | 4 | This file is part of systemd. |
83fdc450 | 5 | |
3c527fd1 | 6 | Copyright (C) 2009-2013 Intel Corporation |
cd3bccaa AK |
7 | |
8 | Authors: | |
9 | Auke Kok <auke-jan.h.kok@intel.com> | |
10 | ||
11 | systemd is free software; you can redistribute it and/or modify it | |
12 | under the terms of the GNU Lesser General Public License as published by | |
13 | the Free Software Foundation; either version 2.1 of the License, or | |
14 | (at your option) any later version. | |
15 | ||
16 | systemd is distributed in the hope that it will be useful, but | |
17 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
18 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
19 | Lesser General Public License for more details. | |
20 | ||
21 | You should have received a copy of the GNU Lesser General Public License | |
22 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
23 | ***/ | |
83fdc450 | 24 | |
f1c24fea ZJS |
25 | /*** |
26 | ||
27 | Many thanks to those who contributed ideas and code: | |
28 | - Ziga Mahkovec - Original bootchart author | |
29 | - Anders Norgaard - PyBootchartgui | |
30 | - Michael Meeks - bootchart2 | |
31 | - Scott James Remnant - Ubuntu C-based logger | |
32 | - Arjan van der Ven - for the idea to merge bootgraph.pl functionality | |
33 | ||
34 | ***/ | |
35 | ||
07630cea LP |
36 | #include <errno.h> |
37 | #include <fcntl.h> | |
38 | #include <getopt.h> | |
39 | #include <limits.h> | |
83fdc450 | 40 | #include <signal.h> |
07630cea LP |
41 | #include <stdbool.h> |
42 | #include <stdio.h> | |
83fdc450 AK |
43 | #include <stdlib.h> |
44 | #include <string.h> | |
07630cea | 45 | #include <sys/resource.h> |
83fdc450 | 46 | #include <time.h> |
07630cea | 47 | #include <unistd.h> |
83fdc450 | 48 | |
07630cea LP |
49 | #include "sd-journal.h" |
50 | ||
51 | #include "bootchart.h" | |
52 | #include "conf-parser.h" | |
3ffd4af2 | 53 | #include "fd-util.h" |
a5c32cff | 54 | #include "fileio.h" |
c004493c | 55 | #include "io-util.h" |
07630cea | 56 | #include "list.h" |
f7900e25 | 57 | #include "macro.h" |
6bedfcbb | 58 | #include "parse-util.h" |
0e4ffbff | 59 | #include "path-util.h" |
6d031c0b | 60 | #include "store.h" |
07630cea LP |
61 | #include "string-util.h" |
62 | #include "strxcpyx.h" | |
6d031c0b | 63 | #include "svg.h" |
07630cea | 64 | #include "util.h" |
83fdc450 | 65 | |
83fdc450 AK |
66 | static int exiting = 0; |
67 | ||
c7fc641e ZJS |
68 | #define DEFAULT_SAMPLES_LEN 500 |
69 | #define DEFAULT_HZ 25.0 | |
70 | #define DEFAULT_SCALE_X 100.0 /* 100px = 1sec */ | |
71 | #define DEFAULT_SCALE_Y 20.0 /* 16px = 1 process bar */ | |
a804d849 | 72 | #define DEFAULT_INIT ROOTLIBEXECDIR "/systemd" |
c7fc641e ZJS |
73 | #define DEFAULT_OUTPUT "/run/log" |
74 | ||
83fdc450 | 75 | /* graph defaults */ |
6d031c0b | 76 | bool arg_entropy = false; |
1f2ecb03 | 77 | bool arg_initcall = true; |
6d031c0b LP |
78 | bool arg_relative = false; |
79 | bool arg_filter = true; | |
80 | bool arg_show_cmdline = false; | |
49e5b2a9 | 81 | bool arg_show_cgroup = false; |
6d031c0b | 82 | bool arg_pss = false; |
749806b3 | 83 | bool arg_percpu = false; |
c7fc641e ZJS |
84 | int arg_samples_len = DEFAULT_SAMPLES_LEN; /* we record len+1 (1 start sample) */ |
85 | double arg_hz = DEFAULT_HZ; | |
86 | double arg_scale_x = DEFAULT_SCALE_X; | |
87 | double arg_scale_y = DEFAULT_SCALE_Y; | |
83fdc450 | 88 | |
c7fc641e ZJS |
89 | char arg_init_path[PATH_MAX] = DEFAULT_INIT; |
90 | char arg_output_path[PATH_MAX] = DEFAULT_OUTPUT; | |
83fdc450 | 91 | |
6d031c0b | 92 | static void signal_handler(int sig) { |
28989b63 | 93 | exiting = 1; |
83fdc450 AK |
94 | } |
95 | ||
4cd5f79d | 96 | #define BOOTCHART_CONF "/etc/systemd/bootchart.conf" |
f7900e25 | 97 | |
c4d58b0b AK |
98 | #define BOOTCHART_MAX (16*1024*1024) |
99 | ||
4cd5f79d ZJS |
100 | static void parse_conf(void) { |
101 | char *init = NULL, *output = NULL; | |
f7900e25 | 102 | const ConfigTableItem items[] = { |
6d031c0b LP |
103 | { "Bootchart", "Samples", config_parse_int, 0, &arg_samples_len }, |
104 | { "Bootchart", "Frequency", config_parse_double, 0, &arg_hz }, | |
105 | { "Bootchart", "Relative", config_parse_bool, 0, &arg_relative }, | |
106 | { "Bootchart", "Filter", config_parse_bool, 0, &arg_filter }, | |
107 | { "Bootchart", "Output", config_parse_path, 0, &output }, | |
108 | { "Bootchart", "Init", config_parse_path, 0, &init }, | |
109 | { "Bootchart", "PlotMemoryUsage", config_parse_bool, 0, &arg_pss }, | |
110 | { "Bootchart", "PlotEntropyGraph", config_parse_bool, 0, &arg_entropy }, | |
111 | { "Bootchart", "ScaleX", config_parse_double, 0, &arg_scale_x }, | |
112 | { "Bootchart", "ScaleY", config_parse_double, 0, &arg_scale_y }, | |
49e5b2a9 | 113 | { "Bootchart", "ControlGroup", config_parse_bool, 0, &arg_show_cgroup }, |
749806b3 | 114 | { "Bootchart", "PerCPU", config_parse_bool, 0, &arg_percpu }, |
f7900e25 TA |
115 | { NULL, NULL, NULL, 0, NULL } |
116 | }; | |
28989b63 | 117 | |
396f9e2b JT |
118 | config_parse_many(BOOTCHART_CONF, |
119 | CONF_DIRS_NULSTR("systemd/bootchart.conf"), | |
120 | NULL, config_item_table_lookup, items, true, NULL); | |
4cd5f79d ZJS |
121 | |
122 | if (init != NULL) | |
123 | strscpy(arg_init_path, sizeof(arg_init_path), init); | |
124 | if (output != NULL) | |
125 | strscpy(arg_output_path, sizeof(arg_output_path), output); | |
126 | } | |
127 | ||
c7fc641e | 128 | static void help(void) { |
03995863 DM |
129 | printf("Usage: %s [OPTIONS]\n\n" |
130 | "Options:\n" | |
131 | " -r --rel Record time relative to recording\n" | |
132 | " -f --freq=FREQ Sample frequency [%g]\n" | |
133 | " -n --samples=N Stop sampling at [%d] samples\n" | |
134 | " -x --scale-x=N Scale the graph horizontally [%g] \n" | |
135 | " -y --scale-y=N Scale the graph vertically [%g] \n" | |
136 | " -p --pss Enable PSS graph (CPU intensive)\n" | |
137 | " -e --entropy Enable the entropy_avail graph\n" | |
138 | " -o --output=PATH Path to output files [%s]\n" | |
139 | " -i --init=PATH Path to init executable [%s]\n" | |
140 | " -F --no-filter Disable filtering of unimportant or ephemeral processes\n" | |
141 | " -C --cmdline Display full command lines with arguments\n" | |
142 | " -c --control-group Display process control group\n" | |
143 | " --per-cpu Draw each CPU utilization and wait bar also\n" | |
144 | " -h --help Display this message\n\n" | |
145 | "See bootchart.conf for more information.\n", | |
146 | program_invocation_short_name, | |
147 | DEFAULT_HZ, | |
148 | DEFAULT_SAMPLES_LEN, | |
149 | DEFAULT_SCALE_X, | |
150 | DEFAULT_SCALE_Y, | |
151 | DEFAULT_OUTPUT, | |
152 | DEFAULT_INIT); | |
c7fc641e ZJS |
153 | } |
154 | ||
601185b4 | 155 | static int parse_argv(int argc, char *argv[]) { |
749806b3 WC |
156 | |
157 | enum { | |
158 | ARG_PERCPU = 0x100, | |
159 | }; | |
160 | ||
5d459d6b | 161 | static const struct option options[] = { |
749806b3 WC |
162 | {"rel", no_argument, NULL, 'r' }, |
163 | {"freq", required_argument, NULL, 'f' }, | |
164 | {"samples", required_argument, NULL, 'n' }, | |
165 | {"pss", no_argument, NULL, 'p' }, | |
166 | {"output", required_argument, NULL, 'o' }, | |
167 | {"init", required_argument, NULL, 'i' }, | |
168 | {"no-filter", no_argument, NULL, 'F' }, | |
169 | {"cmdline", no_argument, NULL, 'C' }, | |
170 | {"control-group", no_argument, NULL, 'c' }, | |
171 | {"help", no_argument, NULL, 'h' }, | |
172 | {"scale-x", required_argument, NULL, 'x' }, | |
173 | {"scale-y", required_argument, NULL, 'y' }, | |
174 | {"entropy", no_argument, NULL, 'e' }, | |
175 | {"per-cpu", no_argument, NULL, ARG_PERCPU}, | |
5d459d6b | 176 | {} |
4cd5f79d | 177 | }; |
601185b4 | 178 | int c, r; |
4cd5f79d | 179 | |
601185b4 ZJS |
180 | if (getpid() == 1) |
181 | opterr = 0; | |
4cd5f79d | 182 | |
601185b4 | 183 | while ((c = getopt_long(argc, argv, "erpf:n:o:i:FCchx:y:", options, NULL)) >= 0) |
4cd5f79d | 184 | switch (c) { |
601185b4 | 185 | |
28989b63 | 186 | case 'r': |
6d031c0b | 187 | arg_relative = true; |
28989b63 TA |
188 | break; |
189 | case 'f': | |
6d031c0b | 190 | r = safe_atod(optarg, &arg_hz); |
547ba5a9 | 191 | if (r < 0) |
c33b3297 MS |
192 | log_warning_errno(r, "failed to parse --freq/-f argument '%s': %m", |
193 | optarg); | |
28989b63 TA |
194 | break; |
195 | case 'F': | |
6d031c0b | 196 | arg_filter = false; |
28989b63 | 197 | break; |
e90f9fa4 | 198 | case 'C': |
6d031c0b | 199 | arg_show_cmdline = true; |
e90f9fa4 | 200 | break; |
49e5b2a9 WC |
201 | case 'c': |
202 | arg_show_cgroup = true; | |
203 | break; | |
28989b63 | 204 | case 'n': |
6d031c0b | 205 | r = safe_atoi(optarg, &arg_samples_len); |
547ba5a9 | 206 | if (r < 0) |
c33b3297 MS |
207 | log_warning_errno(r, "failed to parse --samples/-n argument '%s': %m", |
208 | optarg); | |
28989b63 TA |
209 | break; |
210 | case 'o': | |
0e4ffbff | 211 | path_kill_slashes(optarg); |
6d031c0b | 212 | strscpy(arg_output_path, sizeof(arg_output_path), optarg); |
28989b63 TA |
213 | break; |
214 | case 'i': | |
0e4ffbff | 215 | path_kill_slashes(optarg); |
6d031c0b | 216 | strscpy(arg_init_path, sizeof(arg_init_path), optarg); |
28989b63 TA |
217 | break; |
218 | case 'p': | |
6d031c0b | 219 | arg_pss = true; |
28989b63 TA |
220 | break; |
221 | case 'x': | |
6d031c0b | 222 | r = safe_atod(optarg, &arg_scale_x); |
547ba5a9 | 223 | if (r < 0) |
c33b3297 MS |
224 | log_warning_errno(r, "failed to parse --scale-x/-x argument '%s': %m", |
225 | optarg); | |
28989b63 TA |
226 | break; |
227 | case 'y': | |
6d031c0b | 228 | r = safe_atod(optarg, &arg_scale_y); |
547ba5a9 | 229 | if (r < 0) |
c33b3297 MS |
230 | log_warning_errno(r, "failed to parse --scale-y/-y argument '%s': %m", |
231 | optarg); | |
28989b63 TA |
232 | break; |
233 | case 'e': | |
6d031c0b | 234 | arg_entropy = true; |
28989b63 | 235 | break; |
749806b3 WC |
236 | case ARG_PERCPU: |
237 | arg_percpu = true; | |
238 | break; | |
28989b63 | 239 | case 'h': |
c7fc641e | 240 | help(); |
601185b4 ZJS |
241 | return 0; |
242 | case '?': | |
243 | if (getpid() != 1) | |
244 | return -EINVAL; | |
245 | else | |
246 | return 0; | |
28989b63 | 247 | default: |
601185b4 | 248 | assert_not_reached("Unhandled option code."); |
28989b63 | 249 | } |
28989b63 | 250 | |
601185b4 ZJS |
251 | if (arg_hz <= 0) { |
252 | log_error("Frequency needs to be > 0"); | |
4cd5f79d | 253 | return -EINVAL; |
28989b63 TA |
254 | } |
255 | ||
601185b4 | 256 | return 1; |
4cd5f79d ZJS |
257 | } |
258 | ||
af672f03 DM |
259 | static int do_journal_append(char *file) { |
260 | _cleanup_free_ char *bootchart_message = NULL; | |
261 | _cleanup_free_ char *bootchart_file = NULL; | |
262 | _cleanup_free_ char *p = NULL; | |
263 | _cleanup_close_ int fd = -1; | |
c4d58b0b | 264 | struct iovec iovec[5]; |
d92f98b4 | 265 | int r, j = 0; |
c4d58b0b | 266 | ssize_t n; |
c4d58b0b AK |
267 | |
268 | bootchart_file = strappend("BOOTCHART_FILE=", file); | |
af672f03 DM |
269 | if (!bootchart_file) |
270 | return log_oom(); | |
c4d58b0b | 271 | |
af672f03 | 272 | IOVEC_SET_STRING(iovec[j++], bootchart_file); |
c4d58b0b AK |
273 | IOVEC_SET_STRING(iovec[j++], "MESSAGE_ID=9f26aa562cf440c2b16c773d0479b518"); |
274 | IOVEC_SET_STRING(iovec[j++], "PRIORITY=7"); | |
275 | bootchart_message = strjoin("MESSAGE=Bootchart created: ", file, NULL); | |
af672f03 DM |
276 | if (!bootchart_message) |
277 | return log_oom(); | |
c4d58b0b | 278 | |
af672f03 DM |
279 | IOVEC_SET_STRING(iovec[j++], bootchart_message); |
280 | ||
281 | p = malloc(10 + BOOTCHART_MAX); | |
282 | if (!p) | |
283 | return log_oom(); | |
c4d58b0b AK |
284 | |
285 | memcpy(p, "BOOTCHART=", 10); | |
286 | ||
d92f98b4 | 287 | fd = open(file, O_RDONLY|O_CLOEXEC); |
af672f03 DM |
288 | if (fd < 0) |
289 | return log_error_errno(errno, "Failed to open bootchart data \"%s\": %m", file); | |
d92f98b4 ZJS |
290 | |
291 | n = loop_read(fd, p + 10, BOOTCHART_MAX, false); | |
af672f03 DM |
292 | if (n < 0) |
293 | return log_error_errno(n, "Failed to read bootchart data: %m"); | |
c4d58b0b AK |
294 | |
295 | iovec[j].iov_base = p; | |
296 | iovec[j].iov_len = 10 + n; | |
297 | j++; | |
298 | ||
299 | r = sd_journal_sendv(iovec, j); | |
300 | if (r < 0) | |
da927ba9 | 301 | log_error_errno(r, "Failed to send bootchart: %m"); |
af672f03 DM |
302 | |
303 | return 0; | |
c4d58b0b AK |
304 | } |
305 | ||
4cd5f79d | 306 | int main(int argc, char *argv[]) { |
af672f03 | 307 | static struct list_sample_data *sampledata; |
f9178132 | 308 | _cleanup_closedir_ DIR *proc = NULL; |
af672f03 | 309 | _cleanup_free_ char *build = NULL; |
1f2ecb03 | 310 | _cleanup_fclose_ FILE *of = NULL; |
af672f03 DM |
311 | _cleanup_close_ int sysfd = -1; |
312 | struct ps_struct *ps_first; | |
1f2ecb03 DM |
313 | double graph_start; |
314 | double log_start; | |
315 | double interval; | |
4cd5f79d ZJS |
316 | char output_file[PATH_MAX]; |
317 | char datestr[200]; | |
1f2ecb03 DM |
318 | int pscount = 0; |
319 | int n_cpus = 0; | |
320 | int overrun = 0; | |
af672f03 DM |
321 | time_t t = 0; |
322 | int r, samples; | |
323 | struct ps_struct *ps; | |
4cd5f79d | 324 | struct rlimit rlim; |
1f2ecb03 | 325 | struct list_sample_data *head; |
af672f03 DM |
326 | struct sigaction sig = { |
327 | .sa_handler = signal_handler, | |
328 | }; | |
4cd5f79d ZJS |
329 | |
330 | parse_conf(); | |
331 | ||
601185b4 | 332 | r = parse_argv(argc, argv); |
34a4071e DM |
333 | if (r < 0) |
334 | return EXIT_FAILURE; | |
335 | ||
336 | if (r == 0) | |
337 | return EXIT_SUCCESS; | |
4cd5f79d | 338 | |
28989b63 | 339 | /* |
547ba5a9 | 340 | * If the kernel executed us through init=/usr/lib/systemd/systemd-bootchart, then |
28989b63 | 341 | * fork: |
6e1bf7ab | 342 | * - parent execs executable specified via init_path[] (/usr/lib/systemd/systemd by default) as pid=1 |
28989b63 TA |
343 | * - child logs data |
344 | */ | |
345 | if (getpid() == 1) { | |
1f6b4113 | 346 | if (fork()) |
28989b63 | 347 | /* parent */ |
6d031c0b | 348 | execl(arg_init_path, arg_init_path, NULL); |
28989b63 | 349 | } |
0e4ffbff | 350 | argv[0][0] = '@'; |
28989b63 | 351 | |
361514ac LP |
352 | rlim.rlim_cur = 4096; |
353 | rlim.rlim_max = 4096; | |
354 | (void) setrlimit(RLIMIT_NOFILE, &rlim); | |
355 | ||
28989b63 | 356 | /* start with empty ps LL */ |
955d98c9 | 357 | ps_first = new0(struct ps_struct, 1); |
28989b63 | 358 | if (!ps_first) { |
955d98c9 LP |
359 | log_oom(); |
360 | return EXIT_FAILURE; | |
28989b63 | 361 | } |
28989b63 TA |
362 | |
363 | /* handle TERM/INT nicely */ | |
28989b63 TA |
364 | sigaction(SIGHUP, &sig, NULL); |
365 | ||
6d031c0b | 366 | interval = (1.0 / arg_hz) * 1000000000.0; |
28989b63 | 367 | |
1f2ecb03 DM |
368 | if (arg_relative) |
369 | graph_start = log_start = gettime_ns(); | |
370 | else { | |
371 | struct timespec n; | |
372 | double uptime; | |
373 | ||
27ec691b | 374 | clock_gettime(clock_boottime_or_monotonic(), &n); |
1f2ecb03 DM |
375 | uptime = (n.tv_sec + (n.tv_nsec / (double) NSEC_PER_SEC)); |
376 | ||
377 | log_start = gettime_ns(); | |
378 | graph_start = log_start - uptime; | |
379 | } | |
28989b63 | 380 | |
9a6f36c0 | 381 | if (graph_start < 0.0) { |
03995863 DM |
382 | log_error("Failed to setup graph start time.\n\n" |
383 | "The system uptime probably includes time that the system was suspended. " | |
384 | "Use --rel to bypass this issue."); | |
34a4071e | 385 | return EXIT_FAILURE; |
9a6f36c0 KZ |
386 | } |
387 | ||
71fda00f | 388 | LIST_HEAD_INIT(head); |
8dfb6e71 | 389 | |
28989b63 | 390 | /* main program loop */ |
522cd7f1 | 391 | for (samples = 0; !exiting && samples < arg_samples_len; samples++) { |
28989b63 TA |
392 | int res; |
393 | double sample_stop; | |
28989b63 TA |
394 | double elapsed; |
395 | double timeleft; | |
396 | ||
8dfb6e71 NC |
397 | sampledata = new0(struct list_sample_data, 1); |
398 | if (sampledata == NULL) { | |
4155f7d4 LP |
399 | log_oom(); |
400 | return EXIT_FAILURE; | |
8dfb6e71 NC |
401 | } |
402 | ||
403 | sampledata->sampletime = gettime_ns(); | |
404 | sampledata->counter = samples; | |
28989b63 | 405 | |
6d031c0b | 406 | if (sysfd < 0) |
c8a202b7 | 407 | sysfd = open("/sys", O_RDONLY|O_CLOEXEC); |
f2f85884 | 408 | |
5ae4d543 LP |
409 | if (!build) { |
410 | if (parse_env_file("/etc/os-release", NEWLINE, "PRETTY_NAME", &build, NULL) == -ENOENT) | |
411 | parse_env_file("/usr/lib/os-release", NEWLINE, "PRETTY_NAME", &build, NULL); | |
412 | } | |
e93450c6 | 413 | |
f9178132 DM |
414 | if (proc) |
415 | rewinddir(proc); | |
416 | else | |
417 | proc = opendir("/proc"); | |
418 | ||
419 | /* wait for /proc to become available, discarding samples */ | |
420 | if (proc) { | |
1f2ecb03 | 421 | r = log_sample(proc, samples, ps_first, &sampledata, &pscount, &n_cpus); |
34a4071e DM |
422 | if (r < 0) |
423 | return EXIT_FAILURE; | |
34a4071e | 424 | } |
28989b63 TA |
425 | |
426 | sample_stop = gettime_ns(); | |
427 | ||
8dfb6e71 | 428 | elapsed = (sample_stop - sampledata->sampletime) * 1000000000.0; |
28989b63 TA |
429 | timeleft = interval - elapsed; |
430 | ||
28989b63 TA |
431 | /* |
432 | * check if we have not consumed our entire timeslice. If we | |
433 | * do, don't sleep and take a new sample right away. | |
434 | * we'll lose all the missed samples and overrun our total | |
435 | * time | |
436 | */ | |
0a327854 DM |
437 | if (timeleft > 0) { |
438 | struct timespec req; | |
439 | ||
440 | req.tv_sec = (time_t)(timeleft / 1000000000.0); | |
441 | req.tv_nsec = (long)(timeleft - (req.tv_sec * 1000000000.0)); | |
28989b63 TA |
442 | |
443 | res = nanosleep(&req, NULL); | |
444 | if (res) { | |
ece174c5 | 445 | if (errno == EINTR) |
28989b63 TA |
446 | /* caught signal, probably HUP! */ |
447 | break; | |
56f64d95 | 448 | log_error_errno(errno, "nanosleep() failed: %m"); |
34a4071e | 449 | return EXIT_FAILURE; |
28989b63 TA |
450 | } |
451 | } else { | |
452 | overrun++; | |
453 | /* calculate how many samples we lost and scrap them */ | |
0a327854 | 454 | arg_samples_len -= (int)(-timeleft / interval); |
28989b63 | 455 | } |
71fda00f | 456 | LIST_PREPEND(link, head, sampledata); |
28989b63 TA |
457 | } |
458 | ||
459 | /* do some cleanup, close fd's */ | |
460 | ps = ps_first; | |
461 | while (ps->next_ps) { | |
462 | ps = ps->next_ps; | |
af672f03 DM |
463 | ps->schedstat = safe_close(ps->schedstat); |
464 | ps->sched = safe_close(ps->sched); | |
74ca738f | 465 | ps->smaps = safe_fclose(ps->smaps); |
28989b63 | 466 | } |
28989b63 | 467 | |
f2f85884 HH |
468 | if (!of) { |
469 | t = time(NULL); | |
e931d3f4 TA |
470 | r = strftime(datestr, sizeof(datestr), "%Y%m%d-%H%M", localtime(&t)); |
471 | assert_se(r > 0); | |
472 | ||
6d031c0b | 473 | snprintf(output_file, PATH_MAX, "%s/bootchart-%s.svg", arg_output_path, datestr); |
c8a202b7 | 474 | of = fopen(output_file, "we"); |
f2f85884 | 475 | } |
28989b63 | 476 | |
28989b63 | 477 | if (!of) { |
f9178132 DM |
478 | log_error("Error opening output file '%s': %m\n", output_file); |
479 | return EXIT_FAILURE; | |
28989b63 TA |
480 | } |
481 | ||
af672f03 DM |
482 | r = svg_do(of, strna(build), head, ps_first, |
483 | samples, pscount, n_cpus, graph_start, | |
484 | log_start, interval, overrun); | |
1f2ecb03 | 485 | |
f9178132 | 486 | if (r < 0) { |
5d236c1f | 487 | log_error_errno(r, "Error generating svg file: %m"); |
f9178132 DM |
488 | return EXIT_FAILURE; |
489 | } | |
28989b63 | 490 | |
f9178132 | 491 | log_info("systemd-bootchart wrote %s\n", output_file); |
6d031c0b | 492 | |
af672f03 DM |
493 | r = do_journal_append(output_file); |
494 | if (r < 0) | |
495 | return EXIT_FAILURE; | |
c4d58b0b | 496 | |
28989b63 | 497 | /* nitpic cleanups */ |
8dfb6e71 | 498 | ps = ps_first->next_ps; |
28989b63 | 499 | while (ps->next_ps) { |
8dfb6e71 NC |
500 | struct ps_struct *old; |
501 | ||
502 | old = ps; | |
503 | old->sample = ps->first; | |
28989b63 | 504 | ps = ps->next_ps; |
8dfb6e71 NC |
505 | while (old->sample->next) { |
506 | struct ps_sched_struct *oldsample = old->sample; | |
507 | ||
508 | old->sample = old->sample->next; | |
509 | free(oldsample); | |
510 | } | |
49e5b2a9 | 511 | free(old->cgroup); |
28989b63 TA |
512 | free(old->sample); |
513 | free(old); | |
514 | } | |
af672f03 | 515 | |
49e5b2a9 | 516 | free(ps->cgroup); |
28989b63 TA |
517 | free(ps->sample); |
518 | free(ps); | |
519 | ||
8dfb6e71 NC |
520 | sampledata = head; |
521 | while (sampledata->link_prev) { | |
522 | struct list_sample_data *old_sampledata = sampledata; | |
523 | sampledata = sampledata->link_prev; | |
524 | free(old_sampledata); | |
525 | } | |
526 | free(sampledata); | |
af672f03 | 527 | |
28989b63 TA |
528 | /* don't complain when overrun once, happens most commonly on 1st sample */ |
529 | if (overrun > 1) | |
6aec8359 | 530 | log_warning("systemd-bootchart: sample time overrun %i times\n", overrun); |
28989b63 TA |
531 | |
532 | return 0; | |
83fdc450 | 533 | } |