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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 | ||
83fdc450 AK |
36 | #include <sys/resource.h> |
37 | #include <stdio.h> | |
38 | #include <signal.h> | |
39 | #include <stdlib.h> | |
40 | #include <string.h> | |
41 | #include <unistd.h> | |
42 | #include <time.h> | |
43 | #include <getopt.h> | |
44 | #include <limits.h> | |
45 | #include <errno.h> | |
b823b5e2 | 46 | #include <fcntl.h> |
f7900e25 | 47 | #include <stdbool.h> |
73f860db | 48 | #include "systemd/sd-journal.h" |
83fdc450 | 49 | |
53f5329f | 50 | #include "util.h" |
a5c32cff | 51 | #include "fileio.h" |
f7900e25 TA |
52 | #include "macro.h" |
53 | #include "conf-parser.h" | |
54 | #include "strxcpyx.h" | |
0e4ffbff | 55 | #include "path-util.h" |
6d031c0b LP |
56 | #include "store.h" |
57 | #include "svg.h" | |
58 | #include "bootchart.h" | |
8dfb6e71 | 59 | #include "list.h" |
83fdc450 | 60 | |
83fdc450 AK |
61 | static int exiting = 0; |
62 | ||
c7fc641e ZJS |
63 | #define DEFAULT_SAMPLES_LEN 500 |
64 | #define DEFAULT_HZ 25.0 | |
65 | #define DEFAULT_SCALE_X 100.0 /* 100px = 1sec */ | |
66 | #define DEFAULT_SCALE_Y 20.0 /* 16px = 1 process bar */ | |
a804d849 | 67 | #define DEFAULT_INIT ROOTLIBEXECDIR "/systemd" |
c7fc641e ZJS |
68 | #define DEFAULT_OUTPUT "/run/log" |
69 | ||
83fdc450 | 70 | /* graph defaults */ |
6d031c0b | 71 | bool arg_entropy = false; |
1f2ecb03 | 72 | bool arg_initcall = true; |
6d031c0b LP |
73 | bool arg_relative = false; |
74 | bool arg_filter = true; | |
75 | bool arg_show_cmdline = false; | |
49e5b2a9 | 76 | bool arg_show_cgroup = false; |
6d031c0b | 77 | bool arg_pss = false; |
749806b3 | 78 | bool arg_percpu = false; |
c7fc641e ZJS |
79 | int arg_samples_len = DEFAULT_SAMPLES_LEN; /* we record len+1 (1 start sample) */ |
80 | double arg_hz = DEFAULT_HZ; | |
81 | double arg_scale_x = DEFAULT_SCALE_X; | |
82 | double arg_scale_y = DEFAULT_SCALE_Y; | |
83fdc450 | 83 | |
c7fc641e ZJS |
84 | char arg_init_path[PATH_MAX] = DEFAULT_INIT; |
85 | char arg_output_path[PATH_MAX] = DEFAULT_OUTPUT; | |
83fdc450 | 86 | |
6d031c0b | 87 | static void signal_handler(int sig) { |
28989b63 | 88 | exiting = 1; |
83fdc450 AK |
89 | } |
90 | ||
4cd5f79d | 91 | #define BOOTCHART_CONF "/etc/systemd/bootchart.conf" |
f7900e25 | 92 | |
c4d58b0b AK |
93 | #define BOOTCHART_MAX (16*1024*1024) |
94 | ||
4cd5f79d ZJS |
95 | static void parse_conf(void) { |
96 | char *init = NULL, *output = NULL; | |
f7900e25 | 97 | const ConfigTableItem items[] = { |
6d031c0b LP |
98 | { "Bootchart", "Samples", config_parse_int, 0, &arg_samples_len }, |
99 | { "Bootchart", "Frequency", config_parse_double, 0, &arg_hz }, | |
100 | { "Bootchart", "Relative", config_parse_bool, 0, &arg_relative }, | |
101 | { "Bootchart", "Filter", config_parse_bool, 0, &arg_filter }, | |
102 | { "Bootchart", "Output", config_parse_path, 0, &output }, | |
103 | { "Bootchart", "Init", config_parse_path, 0, &init }, | |
104 | { "Bootchart", "PlotMemoryUsage", config_parse_bool, 0, &arg_pss }, | |
105 | { "Bootchart", "PlotEntropyGraph", config_parse_bool, 0, &arg_entropy }, | |
106 | { "Bootchart", "ScaleX", config_parse_double, 0, &arg_scale_x }, | |
107 | { "Bootchart", "ScaleY", config_parse_double, 0, &arg_scale_y }, | |
49e5b2a9 | 108 | { "Bootchart", "ControlGroup", config_parse_bool, 0, &arg_show_cgroup }, |
749806b3 | 109 | { "Bootchart", "PerCPU", config_parse_bool, 0, &arg_percpu }, |
f7900e25 TA |
110 | { NULL, NULL, NULL, 0, NULL } |
111 | }; | |
28989b63 | 112 | |
396f9e2b JT |
113 | config_parse_many(BOOTCHART_CONF, |
114 | CONF_DIRS_NULSTR("systemd/bootchart.conf"), | |
115 | NULL, config_item_table_lookup, items, true, NULL); | |
4cd5f79d ZJS |
116 | |
117 | if (init != NULL) | |
118 | strscpy(arg_init_path, sizeof(arg_init_path), init); | |
119 | if (output != NULL) | |
120 | strscpy(arg_output_path, sizeof(arg_output_path), output); | |
121 | } | |
122 | ||
c7fc641e | 123 | static void help(void) { |
03995863 DM |
124 | printf("Usage: %s [OPTIONS]\n\n" |
125 | "Options:\n" | |
126 | " -r --rel Record time relative to recording\n" | |
127 | " -f --freq=FREQ Sample frequency [%g]\n" | |
128 | " -n --samples=N Stop sampling at [%d] samples\n" | |
129 | " -x --scale-x=N Scale the graph horizontally [%g] \n" | |
130 | " -y --scale-y=N Scale the graph vertically [%g] \n" | |
131 | " -p --pss Enable PSS graph (CPU intensive)\n" | |
132 | " -e --entropy Enable the entropy_avail graph\n" | |
133 | " -o --output=PATH Path to output files [%s]\n" | |
134 | " -i --init=PATH Path to init executable [%s]\n" | |
135 | " -F --no-filter Disable filtering of unimportant or ephemeral processes\n" | |
136 | " -C --cmdline Display full command lines with arguments\n" | |
137 | " -c --control-group Display process control group\n" | |
138 | " --per-cpu Draw each CPU utilization and wait bar also\n" | |
139 | " -h --help Display this message\n\n" | |
140 | "See bootchart.conf for more information.\n", | |
141 | program_invocation_short_name, | |
142 | DEFAULT_HZ, | |
143 | DEFAULT_SAMPLES_LEN, | |
144 | DEFAULT_SCALE_X, | |
145 | DEFAULT_SCALE_Y, | |
146 | DEFAULT_OUTPUT, | |
147 | DEFAULT_INIT); | |
c7fc641e ZJS |
148 | } |
149 | ||
601185b4 | 150 | static int parse_argv(int argc, char *argv[]) { |
749806b3 WC |
151 | |
152 | enum { | |
153 | ARG_PERCPU = 0x100, | |
154 | }; | |
155 | ||
5d459d6b | 156 | static const struct option options[] = { |
749806b3 WC |
157 | {"rel", no_argument, NULL, 'r' }, |
158 | {"freq", required_argument, NULL, 'f' }, | |
159 | {"samples", required_argument, NULL, 'n' }, | |
160 | {"pss", no_argument, NULL, 'p' }, | |
161 | {"output", required_argument, NULL, 'o' }, | |
162 | {"init", required_argument, NULL, 'i' }, | |
163 | {"no-filter", no_argument, NULL, 'F' }, | |
164 | {"cmdline", no_argument, NULL, 'C' }, | |
165 | {"control-group", no_argument, NULL, 'c' }, | |
166 | {"help", no_argument, NULL, 'h' }, | |
167 | {"scale-x", required_argument, NULL, 'x' }, | |
168 | {"scale-y", required_argument, NULL, 'y' }, | |
169 | {"entropy", no_argument, NULL, 'e' }, | |
170 | {"per-cpu", no_argument, NULL, ARG_PERCPU}, | |
5d459d6b | 171 | {} |
4cd5f79d | 172 | }; |
601185b4 | 173 | int c, r; |
4cd5f79d | 174 | |
601185b4 ZJS |
175 | if (getpid() == 1) |
176 | opterr = 0; | |
4cd5f79d | 177 | |
601185b4 | 178 | while ((c = getopt_long(argc, argv, "erpf:n:o:i:FCchx:y:", options, NULL)) >= 0) |
4cd5f79d | 179 | switch (c) { |
601185b4 | 180 | |
28989b63 | 181 | case 'r': |
6d031c0b | 182 | arg_relative = true; |
28989b63 TA |
183 | break; |
184 | case 'f': | |
6d031c0b | 185 | r = safe_atod(optarg, &arg_hz); |
547ba5a9 | 186 | if (r < 0) |
c33b3297 MS |
187 | log_warning_errno(r, "failed to parse --freq/-f argument '%s': %m", |
188 | optarg); | |
28989b63 TA |
189 | break; |
190 | case 'F': | |
6d031c0b | 191 | arg_filter = false; |
28989b63 | 192 | break; |
e90f9fa4 | 193 | case 'C': |
6d031c0b | 194 | arg_show_cmdline = true; |
e90f9fa4 | 195 | break; |
49e5b2a9 WC |
196 | case 'c': |
197 | arg_show_cgroup = true; | |
198 | break; | |
28989b63 | 199 | case 'n': |
6d031c0b | 200 | r = safe_atoi(optarg, &arg_samples_len); |
547ba5a9 | 201 | if (r < 0) |
c33b3297 MS |
202 | log_warning_errno(r, "failed to parse --samples/-n argument '%s': %m", |
203 | optarg); | |
28989b63 TA |
204 | break; |
205 | case 'o': | |
0e4ffbff | 206 | path_kill_slashes(optarg); |
6d031c0b | 207 | strscpy(arg_output_path, sizeof(arg_output_path), optarg); |
28989b63 TA |
208 | break; |
209 | case 'i': | |
0e4ffbff | 210 | path_kill_slashes(optarg); |
6d031c0b | 211 | strscpy(arg_init_path, sizeof(arg_init_path), optarg); |
28989b63 TA |
212 | break; |
213 | case 'p': | |
6d031c0b | 214 | arg_pss = true; |
28989b63 TA |
215 | break; |
216 | case 'x': | |
6d031c0b | 217 | r = safe_atod(optarg, &arg_scale_x); |
547ba5a9 | 218 | if (r < 0) |
c33b3297 MS |
219 | log_warning_errno(r, "failed to parse --scale-x/-x argument '%s': %m", |
220 | optarg); | |
28989b63 TA |
221 | break; |
222 | case 'y': | |
6d031c0b | 223 | r = safe_atod(optarg, &arg_scale_y); |
547ba5a9 | 224 | if (r < 0) |
c33b3297 MS |
225 | log_warning_errno(r, "failed to parse --scale-y/-y argument '%s': %m", |
226 | optarg); | |
28989b63 TA |
227 | break; |
228 | case 'e': | |
6d031c0b | 229 | arg_entropy = true; |
28989b63 | 230 | break; |
749806b3 WC |
231 | case ARG_PERCPU: |
232 | arg_percpu = true; | |
233 | break; | |
28989b63 | 234 | case 'h': |
c7fc641e | 235 | help(); |
601185b4 ZJS |
236 | return 0; |
237 | case '?': | |
238 | if (getpid() != 1) | |
239 | return -EINVAL; | |
240 | else | |
241 | return 0; | |
28989b63 | 242 | default: |
601185b4 | 243 | assert_not_reached("Unhandled option code."); |
28989b63 | 244 | } |
28989b63 | 245 | |
601185b4 ZJS |
246 | if (arg_hz <= 0) { |
247 | log_error("Frequency needs to be > 0"); | |
4cd5f79d | 248 | return -EINVAL; |
28989b63 TA |
249 | } |
250 | ||
601185b4 | 251 | return 1; |
4cd5f79d ZJS |
252 | } |
253 | ||
af672f03 DM |
254 | static int do_journal_append(char *file) { |
255 | _cleanup_free_ char *bootchart_message = NULL; | |
256 | _cleanup_free_ char *bootchart_file = NULL; | |
257 | _cleanup_free_ char *p = NULL; | |
258 | _cleanup_close_ int fd = -1; | |
c4d58b0b | 259 | struct iovec iovec[5]; |
d92f98b4 | 260 | int r, j = 0; |
c4d58b0b | 261 | ssize_t n; |
c4d58b0b AK |
262 | |
263 | bootchart_file = strappend("BOOTCHART_FILE=", file); | |
af672f03 DM |
264 | if (!bootchart_file) |
265 | return log_oom(); | |
c4d58b0b | 266 | |
af672f03 | 267 | IOVEC_SET_STRING(iovec[j++], bootchart_file); |
c4d58b0b AK |
268 | IOVEC_SET_STRING(iovec[j++], "MESSAGE_ID=9f26aa562cf440c2b16c773d0479b518"); |
269 | IOVEC_SET_STRING(iovec[j++], "PRIORITY=7"); | |
270 | bootchart_message = strjoin("MESSAGE=Bootchart created: ", file, NULL); | |
af672f03 DM |
271 | if (!bootchart_message) |
272 | return log_oom(); | |
c4d58b0b | 273 | |
af672f03 DM |
274 | IOVEC_SET_STRING(iovec[j++], bootchart_message); |
275 | ||
276 | p = malloc(10 + BOOTCHART_MAX); | |
277 | if (!p) | |
278 | return log_oom(); | |
c4d58b0b AK |
279 | |
280 | memcpy(p, "BOOTCHART=", 10); | |
281 | ||
d92f98b4 | 282 | fd = open(file, O_RDONLY|O_CLOEXEC); |
af672f03 DM |
283 | if (fd < 0) |
284 | return log_error_errno(errno, "Failed to open bootchart data \"%s\": %m", file); | |
d92f98b4 ZJS |
285 | |
286 | n = loop_read(fd, p + 10, BOOTCHART_MAX, false); | |
af672f03 DM |
287 | if (n < 0) |
288 | return log_error_errno(n, "Failed to read bootchart data: %m"); | |
c4d58b0b AK |
289 | |
290 | iovec[j].iov_base = p; | |
291 | iovec[j].iov_len = 10 + n; | |
292 | j++; | |
293 | ||
294 | r = sd_journal_sendv(iovec, j); | |
295 | if (r < 0) | |
da927ba9 | 296 | log_error_errno(r, "Failed to send bootchart: %m"); |
af672f03 DM |
297 | |
298 | return 0; | |
c4d58b0b AK |
299 | } |
300 | ||
4cd5f79d | 301 | int main(int argc, char *argv[]) { |
af672f03 | 302 | static struct list_sample_data *sampledata; |
f9178132 | 303 | _cleanup_closedir_ DIR *proc = NULL; |
af672f03 | 304 | _cleanup_free_ char *build = NULL; |
1f2ecb03 | 305 | _cleanup_fclose_ FILE *of = NULL; |
af672f03 DM |
306 | _cleanup_close_ int sysfd = -1; |
307 | struct ps_struct *ps_first; | |
1f2ecb03 DM |
308 | double graph_start; |
309 | double log_start; | |
310 | double interval; | |
4cd5f79d ZJS |
311 | char output_file[PATH_MAX]; |
312 | char datestr[200]; | |
1f2ecb03 DM |
313 | int pscount = 0; |
314 | int n_cpus = 0; | |
315 | int overrun = 0; | |
af672f03 DM |
316 | time_t t = 0; |
317 | int r, samples; | |
318 | struct ps_struct *ps; | |
4cd5f79d | 319 | struct rlimit rlim; |
1f2ecb03 | 320 | struct list_sample_data *head; |
af672f03 DM |
321 | struct sigaction sig = { |
322 | .sa_handler = signal_handler, | |
323 | }; | |
4cd5f79d ZJS |
324 | |
325 | parse_conf(); | |
326 | ||
601185b4 | 327 | r = parse_argv(argc, argv); |
34a4071e DM |
328 | if (r < 0) |
329 | return EXIT_FAILURE; | |
330 | ||
331 | if (r == 0) | |
332 | return EXIT_SUCCESS; | |
4cd5f79d | 333 | |
28989b63 | 334 | /* |
547ba5a9 | 335 | * If the kernel executed us through init=/usr/lib/systemd/systemd-bootchart, then |
28989b63 | 336 | * fork: |
6e1bf7ab | 337 | * - parent execs executable specified via init_path[] (/usr/lib/systemd/systemd by default) as pid=1 |
28989b63 TA |
338 | * - child logs data |
339 | */ | |
340 | if (getpid() == 1) { | |
341 | if (fork()) { | |
342 | /* parent */ | |
6d031c0b | 343 | execl(arg_init_path, arg_init_path, NULL); |
28989b63 TA |
344 | } |
345 | } | |
0e4ffbff | 346 | argv[0][0] = '@'; |
28989b63 | 347 | |
361514ac LP |
348 | rlim.rlim_cur = 4096; |
349 | rlim.rlim_max = 4096; | |
350 | (void) setrlimit(RLIMIT_NOFILE, &rlim); | |
351 | ||
28989b63 | 352 | /* start with empty ps LL */ |
955d98c9 | 353 | ps_first = new0(struct ps_struct, 1); |
28989b63 | 354 | if (!ps_first) { |
955d98c9 LP |
355 | log_oom(); |
356 | return EXIT_FAILURE; | |
28989b63 | 357 | } |
28989b63 TA |
358 | |
359 | /* handle TERM/INT nicely */ | |
28989b63 TA |
360 | sigaction(SIGHUP, &sig, NULL); |
361 | ||
6d031c0b | 362 | interval = (1.0 / arg_hz) * 1000000000.0; |
28989b63 | 363 | |
1f2ecb03 DM |
364 | if (arg_relative) |
365 | graph_start = log_start = gettime_ns(); | |
366 | else { | |
367 | struct timespec n; | |
368 | double uptime; | |
369 | ||
27ec691b | 370 | clock_gettime(clock_boottime_or_monotonic(), &n); |
1f2ecb03 DM |
371 | uptime = (n.tv_sec + (n.tv_nsec / (double) NSEC_PER_SEC)); |
372 | ||
373 | log_start = gettime_ns(); | |
374 | graph_start = log_start - uptime; | |
375 | } | |
28989b63 | 376 | |
9a6f36c0 | 377 | if (graph_start < 0.0) { |
03995863 DM |
378 | log_error("Failed to setup graph start time.\n\n" |
379 | "The system uptime probably includes time that the system was suspended. " | |
380 | "Use --rel to bypass this issue."); | |
34a4071e | 381 | return EXIT_FAILURE; |
9a6f36c0 KZ |
382 | } |
383 | ||
71fda00f | 384 | LIST_HEAD_INIT(head); |
8dfb6e71 | 385 | |
28989b63 | 386 | /* main program loop */ |
522cd7f1 | 387 | for (samples = 0; !exiting && samples < arg_samples_len; samples++) { |
28989b63 TA |
388 | int res; |
389 | double sample_stop; | |
28989b63 TA |
390 | double elapsed; |
391 | double timeleft; | |
392 | ||
8dfb6e71 NC |
393 | sampledata = new0(struct list_sample_data, 1); |
394 | if (sampledata == NULL) { | |
4155f7d4 LP |
395 | log_oom(); |
396 | return EXIT_FAILURE; | |
8dfb6e71 NC |
397 | } |
398 | ||
399 | sampledata->sampletime = gettime_ns(); | |
400 | sampledata->counter = samples; | |
28989b63 | 401 | |
6d031c0b | 402 | if (sysfd < 0) |
c8a202b7 | 403 | sysfd = open("/sys", O_RDONLY|O_CLOEXEC); |
f2f85884 | 404 | |
5ae4d543 LP |
405 | if (!build) { |
406 | if (parse_env_file("/etc/os-release", NEWLINE, "PRETTY_NAME", &build, NULL) == -ENOENT) | |
407 | parse_env_file("/usr/lib/os-release", NEWLINE, "PRETTY_NAME", &build, NULL); | |
408 | } | |
e93450c6 | 409 | |
f9178132 DM |
410 | if (proc) |
411 | rewinddir(proc); | |
412 | else | |
413 | proc = opendir("/proc"); | |
414 | ||
415 | /* wait for /proc to become available, discarding samples */ | |
416 | if (proc) { | |
1f2ecb03 | 417 | r = log_sample(proc, samples, ps_first, &sampledata, &pscount, &n_cpus); |
34a4071e DM |
418 | if (r < 0) |
419 | return EXIT_FAILURE; | |
34a4071e | 420 | } |
28989b63 TA |
421 | |
422 | sample_stop = gettime_ns(); | |
423 | ||
8dfb6e71 | 424 | elapsed = (sample_stop - sampledata->sampletime) * 1000000000.0; |
28989b63 TA |
425 | timeleft = interval - elapsed; |
426 | ||
28989b63 TA |
427 | /* |
428 | * check if we have not consumed our entire timeslice. If we | |
429 | * do, don't sleep and take a new sample right away. | |
430 | * we'll lose all the missed samples and overrun our total | |
431 | * time | |
432 | */ | |
0a327854 DM |
433 | if (timeleft > 0) { |
434 | struct timespec req; | |
435 | ||
436 | req.tv_sec = (time_t)(timeleft / 1000000000.0); | |
437 | req.tv_nsec = (long)(timeleft - (req.tv_sec * 1000000000.0)); | |
28989b63 TA |
438 | |
439 | res = nanosleep(&req, NULL); | |
440 | if (res) { | |
ece174c5 | 441 | if (errno == EINTR) |
28989b63 TA |
442 | /* caught signal, probably HUP! */ |
443 | break; | |
56f64d95 | 444 | log_error_errno(errno, "nanosleep() failed: %m"); |
34a4071e | 445 | return EXIT_FAILURE; |
28989b63 TA |
446 | } |
447 | } else { | |
448 | overrun++; | |
449 | /* calculate how many samples we lost and scrap them */ | |
0a327854 | 450 | arg_samples_len -= (int)(-timeleft / interval); |
28989b63 | 451 | } |
71fda00f | 452 | LIST_PREPEND(link, head, sampledata); |
28989b63 TA |
453 | } |
454 | ||
455 | /* do some cleanup, close fd's */ | |
456 | ps = ps_first; | |
457 | while (ps->next_ps) { | |
458 | ps = ps->next_ps; | |
af672f03 DM |
459 | ps->schedstat = safe_close(ps->schedstat); |
460 | ps->sched = safe_close(ps->sched); | |
461 | if (ps->smaps) { | |
28989b63 | 462 | fclose(ps->smaps); |
af672f03 DM |
463 | ps->smaps = NULL; |
464 | } | |
28989b63 | 465 | } |
28989b63 | 466 | |
f2f85884 HH |
467 | if (!of) { |
468 | t = time(NULL); | |
e931d3f4 TA |
469 | r = strftime(datestr, sizeof(datestr), "%Y%m%d-%H%M", localtime(&t)); |
470 | assert_se(r > 0); | |
471 | ||
6d031c0b | 472 | snprintf(output_file, PATH_MAX, "%s/bootchart-%s.svg", arg_output_path, datestr); |
c8a202b7 | 473 | of = fopen(output_file, "we"); |
f2f85884 | 474 | } |
28989b63 | 475 | |
28989b63 | 476 | if (!of) { |
f9178132 DM |
477 | log_error("Error opening output file '%s': %m\n", output_file); |
478 | return EXIT_FAILURE; | |
28989b63 TA |
479 | } |
480 | ||
af672f03 DM |
481 | r = svg_do(of, strna(build), head, ps_first, |
482 | samples, pscount, n_cpus, graph_start, | |
483 | log_start, interval, overrun); | |
1f2ecb03 | 484 | |
f9178132 | 485 | if (r < 0) { |
5d236c1f | 486 | log_error_errno(r, "Error generating svg file: %m"); |
f9178132 DM |
487 | return EXIT_FAILURE; |
488 | } | |
28989b63 | 489 | |
f9178132 | 490 | log_info("systemd-bootchart wrote %s\n", output_file); |
6d031c0b | 491 | |
af672f03 DM |
492 | r = do_journal_append(output_file); |
493 | if (r < 0) | |
494 | return EXIT_FAILURE; | |
c4d58b0b | 495 | |
28989b63 | 496 | /* nitpic cleanups */ |
8dfb6e71 | 497 | ps = ps_first->next_ps; |
28989b63 | 498 | while (ps->next_ps) { |
8dfb6e71 NC |
499 | struct ps_struct *old; |
500 | ||
501 | old = ps; | |
502 | old->sample = ps->first; | |
28989b63 | 503 | ps = ps->next_ps; |
8dfb6e71 NC |
504 | while (old->sample->next) { |
505 | struct ps_sched_struct *oldsample = old->sample; | |
506 | ||
507 | old->sample = old->sample->next; | |
508 | free(oldsample); | |
509 | } | |
49e5b2a9 | 510 | free(old->cgroup); |
28989b63 TA |
511 | free(old->sample); |
512 | free(old); | |
513 | } | |
af672f03 | 514 | |
49e5b2a9 | 515 | free(ps->cgroup); |
28989b63 TA |
516 | free(ps->sample); |
517 | free(ps); | |
518 | ||
8dfb6e71 NC |
519 | sampledata = head; |
520 | while (sampledata->link_prev) { | |
521 | struct list_sample_data *old_sampledata = sampledata; | |
522 | sampledata = sampledata->link_prev; | |
523 | free(old_sampledata); | |
524 | } | |
525 | free(sampledata); | |
af672f03 | 526 | |
28989b63 TA |
527 | /* don't complain when overrun once, happens most commonly on 1st sample */ |
528 | if (overrun > 1) | |
6aec8359 | 529 | log_warning("systemd-bootchart: sample time overrun %i times\n", overrun); |
28989b63 TA |
530 | |
531 | return 0; | |
83fdc450 | 532 | } |