]> git.ipfire.org Git - thirdparty/systemd.git/blob - src/analyze/analyze.c
Merge pull request #1828 from fbuihuu/set-property-on-inactive-unit
[thirdparty/systemd.git] / src / analyze / analyze.c
1 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
2
3 /***
4 This file is part of systemd.
5
6 Copyright 2010-2013 Lennart Poettering
7 Copyright 2013 Simon Peeters
8
9 systemd is free software; you can redistribute it and/or modify it
10 under the terms of the GNU Lesser General Public License as published by
11 the Free Software Foundation; either version 2.1 of the License, or
12 (at your option) any later version.
13
14 systemd is distributed in the hope that it will be useful, but
15 WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 Lesser General Public License for more details.
18
19 You should have received a copy of the GNU Lesser General Public License
20 along with systemd; If not, see <http://www.gnu.org/licenses/>.
21 ***/
22
23 #include <getopt.h>
24 #include <locale.h>
25 #include <stdio.h>
26 #include <stdlib.h>
27
28 #include "sd-bus.h"
29
30 #include "alloc-util.h"
31 #include "analyze-verify.h"
32 #include "bus-error.h"
33 #include "bus-util.h"
34 #include "glob-util.h"
35 #include "hashmap.h"
36 #include "locale-util.h"
37 #include "log.h"
38 #include "pager.h"
39 #include "parse-util.h"
40 #include "special.h"
41 #include "strv.h"
42 #include "strxcpyx.h"
43 #include "terminal-util.h"
44 #include "unit-name.h"
45 #include "util.h"
46
47 #define SCALE_X (0.1 / 1000.0) /* pixels per us */
48 #define SCALE_Y (20.0)
49
50 #define compare(a, b) (((a) > (b))? 1 : (((b) > (a))? -1 : 0))
51
52 #define svg(...) printf(__VA_ARGS__)
53
54 #define svg_bar(class, x1, x2, y) \
55 svg(" <rect class=\"%s\" x=\"%.03f\" y=\"%.03f\" width=\"%.03f\" height=\"%.03f\" />\n", \
56 (class), \
57 SCALE_X * (x1), SCALE_Y * (y), \
58 SCALE_X * ((x2) - (x1)), SCALE_Y - 1.0)
59
60 #define svg_text(b, x, y, format, ...) \
61 do { \
62 svg(" <text class=\"%s\" x=\"%.03f\" y=\"%.03f\">", (b) ? "left" : "right", SCALE_X * (x) + (b ? 5.0 : -5.0), SCALE_Y * (y) + 14.0); \
63 svg(format, ## __VA_ARGS__); \
64 svg("</text>\n"); \
65 } while(false)
66
67 static enum dot {
68 DEP_ALL,
69 DEP_ORDER,
70 DEP_REQUIRE
71 } arg_dot = DEP_ALL;
72 static char** arg_dot_from_patterns = NULL;
73 static char** arg_dot_to_patterns = NULL;
74 static usec_t arg_fuzz = 0;
75 static bool arg_no_pager = false;
76 static BusTransport arg_transport = BUS_TRANSPORT_LOCAL;
77 static char *arg_host = NULL;
78 static bool arg_user = false;
79 static bool arg_man = true;
80
81 struct boot_times {
82 usec_t firmware_time;
83 usec_t loader_time;
84 usec_t kernel_time;
85 usec_t kernel_done_time;
86 usec_t initrd_time;
87 usec_t userspace_time;
88 usec_t finish_time;
89 usec_t security_start_time;
90 usec_t security_finish_time;
91 usec_t generators_start_time;
92 usec_t generators_finish_time;
93 usec_t unitsload_start_time;
94 usec_t unitsload_finish_time;
95
96 /*
97 * If we're analyzing the user instance, all timestamps will be offset
98 * by its own start-up timestamp, which may be arbitrarily big.
99 * With "plot", this causes arbitrarily wide output SVG files which almost
100 * completely consist of empty space. Thus we cancel out this offset.
101 *
102 * This offset is subtracted from times above by acquire_boot_times(),
103 * but it still needs to be subtracted from unit-specific timestamps
104 * (so it is stored here for reference).
105 */
106 usec_t reverse_offset;
107 };
108
109 struct unit_times {
110 char *name;
111 usec_t activating;
112 usec_t activated;
113 usec_t deactivated;
114 usec_t deactivating;
115 usec_t time;
116 };
117
118 struct host_info {
119 char *hostname;
120 char *kernel_name;
121 char *kernel_release;
122 char *kernel_version;
123 char *os_pretty_name;
124 char *virtualization;
125 char *architecture;
126 };
127
128 static void pager_open_if_enabled(void) {
129
130 if (arg_no_pager)
131 return;
132
133 pager_open(false);
134 }
135
136 static int bus_get_uint64_property(sd_bus *bus, const char *path, const char *interface, const char *property, uint64_t *val) {
137 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
138 int r;
139
140 assert(bus);
141 assert(path);
142 assert(interface);
143 assert(property);
144 assert(val);
145
146 r = sd_bus_get_property_trivial(
147 bus,
148 "org.freedesktop.systemd1",
149 path,
150 interface,
151 property,
152 &error,
153 't', val);
154
155 if (r < 0) {
156 log_error("Failed to parse reply: %s", bus_error_message(&error, -r));
157 return r;
158 }
159
160 return 0;
161 }
162
163 static int bus_get_unit_property_strv(sd_bus *bus, const char *path, const char *property, char ***strv) {
164 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
165 int r;
166
167 assert(bus);
168 assert(path);
169 assert(property);
170 assert(strv);
171
172 r = sd_bus_get_property_strv(
173 bus,
174 "org.freedesktop.systemd1",
175 path,
176 "org.freedesktop.systemd1.Unit",
177 property,
178 &error,
179 strv);
180 if (r < 0) {
181 log_error("Failed to get unit property %s: %s", property, bus_error_message(&error, -r));
182 return r;
183 }
184
185 return 0;
186 }
187
188 static int compare_unit_time(const void *a, const void *b) {
189 return compare(((struct unit_times *)b)->time,
190 ((struct unit_times *)a)->time);
191 }
192
193 static int compare_unit_start(const void *a, const void *b) {
194 return compare(((struct unit_times *)a)->activating,
195 ((struct unit_times *)b)->activating);
196 }
197
198 static void free_unit_times(struct unit_times *t, unsigned n) {
199 struct unit_times *p;
200
201 for (p = t; p < t + n; p++)
202 free(p->name);
203
204 free(t);
205 }
206
207 static void subtract_timestamp(usec_t *a, usec_t b) {
208 assert(a);
209
210 if (*a > 0) {
211 assert(*a >= b);
212 *a -= b;
213 }
214 }
215
216 static int acquire_boot_times(sd_bus *bus, struct boot_times **bt) {
217 static struct boot_times times;
218 static bool cached = false;
219
220 if (cached)
221 goto finish;
222
223 assert_cc(sizeof(usec_t) == sizeof(uint64_t));
224
225 if (bus_get_uint64_property(bus,
226 "/org/freedesktop/systemd1",
227 "org.freedesktop.systemd1.Manager",
228 "FirmwareTimestampMonotonic",
229 &times.firmware_time) < 0 ||
230 bus_get_uint64_property(bus,
231 "/org/freedesktop/systemd1",
232 "org.freedesktop.systemd1.Manager",
233 "LoaderTimestampMonotonic",
234 &times.loader_time) < 0 ||
235 bus_get_uint64_property(bus,
236 "/org/freedesktop/systemd1",
237 "org.freedesktop.systemd1.Manager",
238 "KernelTimestamp",
239 &times.kernel_time) < 0 ||
240 bus_get_uint64_property(bus,
241 "/org/freedesktop/systemd1",
242 "org.freedesktop.systemd1.Manager",
243 "InitRDTimestampMonotonic",
244 &times.initrd_time) < 0 ||
245 bus_get_uint64_property(bus,
246 "/org/freedesktop/systemd1",
247 "org.freedesktop.systemd1.Manager",
248 "UserspaceTimestampMonotonic",
249 &times.userspace_time) < 0 ||
250 bus_get_uint64_property(bus,
251 "/org/freedesktop/systemd1",
252 "org.freedesktop.systemd1.Manager",
253 "FinishTimestampMonotonic",
254 &times.finish_time) < 0 ||
255 bus_get_uint64_property(bus,
256 "/org/freedesktop/systemd1",
257 "org.freedesktop.systemd1.Manager",
258 "SecurityStartTimestampMonotonic",
259 &times.security_start_time) < 0 ||
260 bus_get_uint64_property(bus,
261 "/org/freedesktop/systemd1",
262 "org.freedesktop.systemd1.Manager",
263 "SecurityFinishTimestampMonotonic",
264 &times.security_finish_time) < 0 ||
265 bus_get_uint64_property(bus,
266 "/org/freedesktop/systemd1",
267 "org.freedesktop.systemd1.Manager",
268 "GeneratorsStartTimestampMonotonic",
269 &times.generators_start_time) < 0 ||
270 bus_get_uint64_property(bus,
271 "/org/freedesktop/systemd1",
272 "org.freedesktop.systemd1.Manager",
273 "GeneratorsFinishTimestampMonotonic",
274 &times.generators_finish_time) < 0 ||
275 bus_get_uint64_property(bus,
276 "/org/freedesktop/systemd1",
277 "org.freedesktop.systemd1.Manager",
278 "UnitsLoadStartTimestampMonotonic",
279 &times.unitsload_start_time) < 0 ||
280 bus_get_uint64_property(bus,
281 "/org/freedesktop/systemd1",
282 "org.freedesktop.systemd1.Manager",
283 "UnitsLoadFinishTimestampMonotonic",
284 &times.unitsload_finish_time) < 0)
285 return -EIO;
286
287 if (times.finish_time <= 0) {
288 log_error("Bootup is not yet finished. Please try again later.");
289 return -EINPROGRESS;
290 }
291
292 if (arg_user) {
293 /*
294 * User-instance-specific timestamps processing
295 * (see comment to reverse_offset in struct boot_times).
296 */
297 times.reverse_offset = times.userspace_time;
298
299 times.firmware_time = times.loader_time = times.kernel_time = times.initrd_time = times.userspace_time = 0;
300 subtract_timestamp(&times.finish_time, times.reverse_offset);
301
302 subtract_timestamp(&times.security_start_time, times.reverse_offset);
303 subtract_timestamp(&times.security_finish_time, times.reverse_offset);
304
305 subtract_timestamp(&times.generators_start_time, times.reverse_offset);
306 subtract_timestamp(&times.generators_finish_time, times.reverse_offset);
307
308 subtract_timestamp(&times.unitsload_start_time, times.reverse_offset);
309 subtract_timestamp(&times.unitsload_finish_time, times.reverse_offset);
310 } else {
311 if (times.initrd_time)
312 times.kernel_done_time = times.initrd_time;
313 else
314 times.kernel_done_time = times.userspace_time;
315 }
316
317 cached = true;
318
319 finish:
320 *bt = &times;
321 return 0;
322 }
323
324 static void free_host_info(struct host_info *hi) {
325
326 if (!hi)
327 return;
328
329 free(hi->hostname);
330 free(hi->kernel_name);
331 free(hi->kernel_release);
332 free(hi->kernel_version);
333 free(hi->os_pretty_name);
334 free(hi->virtualization);
335 free(hi->architecture);
336 free(hi);
337 }
338
339 DEFINE_TRIVIAL_CLEANUP_FUNC(struct host_info*, free_host_info);
340
341 static int acquire_time_data(sd_bus *bus, struct unit_times **out) {
342 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
343 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
344 int r, c = 0;
345 struct boot_times *boot_times = NULL;
346 struct unit_times *unit_times = NULL;
347 size_t size = 0;
348 UnitInfo u;
349
350 r = acquire_boot_times(bus, &boot_times);
351 if (r < 0)
352 goto fail;
353
354 r = sd_bus_call_method(
355 bus,
356 "org.freedesktop.systemd1",
357 "/org/freedesktop/systemd1",
358 "org.freedesktop.systemd1.Manager",
359 "ListUnits",
360 &error, &reply,
361 NULL);
362 if (r < 0) {
363 log_error("Failed to list units: %s", bus_error_message(&error, -r));
364 goto fail;
365 }
366
367 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssssssouso)");
368 if (r < 0) {
369 bus_log_parse_error(r);
370 goto fail;
371 }
372
373 while ((r = bus_parse_unit_info(reply, &u)) > 0) {
374 struct unit_times *t;
375
376 if (!GREEDY_REALLOC(unit_times, size, c+1)) {
377 r = log_oom();
378 goto fail;
379 }
380
381 t = unit_times+c;
382 t->name = NULL;
383
384 assert_cc(sizeof(usec_t) == sizeof(uint64_t));
385
386 if (bus_get_uint64_property(bus, u.unit_path,
387 "org.freedesktop.systemd1.Unit",
388 "InactiveExitTimestampMonotonic",
389 &t->activating) < 0 ||
390 bus_get_uint64_property(bus, u.unit_path,
391 "org.freedesktop.systemd1.Unit",
392 "ActiveEnterTimestampMonotonic",
393 &t->activated) < 0 ||
394 bus_get_uint64_property(bus, u.unit_path,
395 "org.freedesktop.systemd1.Unit",
396 "ActiveExitTimestampMonotonic",
397 &t->deactivating) < 0 ||
398 bus_get_uint64_property(bus, u.unit_path,
399 "org.freedesktop.systemd1.Unit",
400 "InactiveEnterTimestampMonotonic",
401 &t->deactivated) < 0) {
402 r = -EIO;
403 goto fail;
404 }
405
406 subtract_timestamp(&t->activating, boot_times->reverse_offset);
407 subtract_timestamp(&t->activated, boot_times->reverse_offset);
408 subtract_timestamp(&t->deactivating, boot_times->reverse_offset);
409 subtract_timestamp(&t->deactivated, boot_times->reverse_offset);
410
411 if (t->activated >= t->activating)
412 t->time = t->activated - t->activating;
413 else if (t->deactivated >= t->activating)
414 t->time = t->deactivated - t->activating;
415 else
416 t->time = 0;
417
418 if (t->activating == 0)
419 continue;
420
421 t->name = strdup(u.id);
422 if (t->name == NULL) {
423 r = log_oom();
424 goto fail;
425 }
426 c++;
427 }
428 if (r < 0) {
429 bus_log_parse_error(r);
430 goto fail;
431 }
432
433 *out = unit_times;
434 return c;
435
436 fail:
437 if (unit_times)
438 free_unit_times(unit_times, (unsigned) c);
439 return r;
440 }
441
442 static int acquire_host_info(sd_bus *bus, struct host_info **hi) {
443 static const struct bus_properties_map hostname_map[] = {
444 { "Hostname", "s", NULL, offsetof(struct host_info, hostname) },
445 { "KernelName", "s", NULL, offsetof(struct host_info, kernel_name) },
446 { "KernelRelease", "s", NULL, offsetof(struct host_info, kernel_release) },
447 { "KernelVersion", "s", NULL, offsetof(struct host_info, kernel_version) },
448 { "OperatingSystemPrettyName", "s", NULL, offsetof(struct host_info, os_pretty_name) },
449 {}
450 };
451
452 static const struct bus_properties_map manager_map[] = {
453 { "Virtualization", "s", NULL, offsetof(struct host_info, virtualization) },
454 { "Architecture", "s", NULL, offsetof(struct host_info, architecture) },
455 {}
456 };
457
458 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
459 _cleanup_(free_host_infop) struct host_info *host;
460 int r;
461
462 host = new0(struct host_info, 1);
463 if (!host)
464 return log_oom();
465
466 r = bus_map_all_properties(bus,
467 "org.freedesktop.hostname1",
468 "/org/freedesktop/hostname1",
469 hostname_map,
470 host);
471 if (r < 0)
472 log_debug_errno(r, "Failed to get host information from systemd-hostnamed: %s", bus_error_message(&error, r));
473
474 r = bus_map_all_properties(bus,
475 "org.freedesktop.systemd1",
476 "/org/freedesktop/systemd1",
477 manager_map,
478 host);
479 if (r < 0)
480 return log_error_errno(r, "Failed to get host information from systemd: %s", bus_error_message(&error, r));
481
482 *hi = host;
483 host = NULL;
484
485 return 0;
486 }
487
488 static int pretty_boot_time(sd_bus *bus, char **_buf) {
489 char ts[FORMAT_TIMESPAN_MAX];
490 struct boot_times *t;
491 static char buf[4096];
492 size_t size;
493 char *ptr;
494 int r;
495
496 r = acquire_boot_times(bus, &t);
497 if (r < 0)
498 return r;
499
500 ptr = buf;
501 size = sizeof(buf);
502
503 size = strpcpyf(&ptr, size, "Startup finished in ");
504 if (t->firmware_time)
505 size = strpcpyf(&ptr, size, "%s (firmware) + ", format_timespan(ts, sizeof(ts), t->firmware_time - t->loader_time, USEC_PER_MSEC));
506 if (t->loader_time)
507 size = strpcpyf(&ptr, size, "%s (loader) + ", format_timespan(ts, sizeof(ts), t->loader_time, USEC_PER_MSEC));
508 if (t->kernel_time)
509 size = strpcpyf(&ptr, size, "%s (kernel) + ", format_timespan(ts, sizeof(ts), t->kernel_done_time, USEC_PER_MSEC));
510 if (t->initrd_time > 0)
511 size = strpcpyf(&ptr, size, "%s (initrd) + ", format_timespan(ts, sizeof(ts), t->userspace_time - t->initrd_time, USEC_PER_MSEC));
512
513 size = strpcpyf(&ptr, size, "%s (userspace) ", format_timespan(ts, sizeof(ts), t->finish_time - t->userspace_time, USEC_PER_MSEC));
514 strpcpyf(&ptr, size, "= %s", format_timespan(ts, sizeof(ts), t->firmware_time + t->finish_time, USEC_PER_MSEC));
515
516 ptr = strdup(buf);
517 if (!ptr)
518 return log_oom();
519
520 *_buf = ptr;
521 return 0;
522 }
523
524 static void svg_graph_box(double height, double begin, double end) {
525 long long i;
526
527 /* outside box, fill */
528 svg("<rect class=\"box\" x=\"0\" y=\"0\" width=\"%.03f\" height=\"%.03f\" />\n",
529 SCALE_X * (end - begin), SCALE_Y * height);
530
531 for (i = ((long long) (begin / 100000)) * 100000; i <= end; i+=100000) {
532 /* lines for each second */
533 if (i % 5000000 == 0)
534 svg(" <line class=\"sec5\" x1=\"%.03f\" y1=\"0\" x2=\"%.03f\" y2=\"%.03f\" />\n"
535 " <text class=\"sec\" x=\"%.03f\" y=\"%.03f\" >%.01fs</text>\n",
536 SCALE_X * i, SCALE_X * i, SCALE_Y * height, SCALE_X * i, -5.0, 0.000001 * i);
537 else if (i % 1000000 == 0)
538 svg(" <line class=\"sec1\" x1=\"%.03f\" y1=\"0\" x2=\"%.03f\" y2=\"%.03f\" />\n"
539 " <text class=\"sec\" x=\"%.03f\" y=\"%.03f\" >%.01fs</text>\n",
540 SCALE_X * i, SCALE_X * i, SCALE_Y * height, SCALE_X * i, -5.0, 0.000001 * i);
541 else
542 svg(" <line class=\"sec01\" x1=\"%.03f\" y1=\"0\" x2=\"%.03f\" y2=\"%.03f\" />\n",
543 SCALE_X * i, SCALE_X * i, SCALE_Y * height);
544 }
545 }
546
547 static int analyze_plot(sd_bus *bus) {
548 _cleanup_(free_host_infop) struct host_info *host = NULL;
549 struct unit_times *times;
550 struct boot_times *boot;
551 int n, m = 1, y=0;
552 double width;
553 _cleanup_free_ char *pretty_times = NULL;
554 struct unit_times *u;
555
556 n = acquire_boot_times(bus, &boot);
557 if (n < 0)
558 return n;
559
560 n = pretty_boot_time(bus, &pretty_times);
561 if (n < 0)
562 return n;
563
564 n = acquire_host_info(bus, &host);
565 if (n < 0)
566 return n;
567
568 n = acquire_time_data(bus, &times);
569 if (n <= 0)
570 return n;
571
572 qsort(times, n, sizeof(struct unit_times), compare_unit_start);
573
574 width = SCALE_X * (boot->firmware_time + boot->finish_time);
575 if (width < 800.0)
576 width = 800.0;
577
578 if (boot->firmware_time > boot->loader_time)
579 m++;
580 if (boot->loader_time) {
581 m++;
582 if (width < 1000.0)
583 width = 1000.0;
584 }
585 if (boot->initrd_time)
586 m++;
587 if (boot->kernel_time)
588 m++;
589
590 for (u = times; u < times + n; u++) {
591 double text_start, text_width;
592
593 if (u->activating < boot->userspace_time ||
594 u->activating > boot->finish_time) {
595 u->name = mfree(u->name);
596 continue;
597 }
598
599 /* If the text cannot fit on the left side then
600 * increase the svg width so it fits on the right.
601 * TODO: calculate the text width more accurately */
602 text_width = 8.0 * strlen(u->name);
603 text_start = (boot->firmware_time + u->activating) * SCALE_X;
604 if (text_width > text_start && text_width + text_start > width)
605 width = text_width + text_start;
606
607 if (u->deactivated > u->activating && u->deactivated <= boot->finish_time
608 && u->activated == 0 && u->deactivating == 0)
609 u->activated = u->deactivating = u->deactivated;
610 if (u->activated < u->activating || u->activated > boot->finish_time)
611 u->activated = boot->finish_time;
612 if (u->deactivating < u->activated || u->activated > boot->finish_time)
613 u->deactivating = boot->finish_time;
614 if (u->deactivated < u->deactivating || u->deactivated > boot->finish_time)
615 u->deactivated = boot->finish_time;
616 m++;
617 }
618
619 svg("<?xml version=\"1.0\" standalone=\"no\"?>\n"
620 "<!DOCTYPE svg PUBLIC \"-//W3C//DTD SVG 1.1//EN\" "
621 "\"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd\">\n");
622
623 svg("<svg width=\"%.0fpx\" height=\"%.0fpx\" version=\"1.1\" "
624 "xmlns=\"http://www.w3.org/2000/svg\">\n\n",
625 80.0 + width, 150.0 + (m * SCALE_Y) +
626 5 * SCALE_Y /* legend */);
627
628 /* write some basic info as a comment, including some help */
629 svg("<!-- This file is a systemd-analyze SVG file. It is best rendered in a -->\n"
630 "<!-- browser such as Chrome, Chromium or Firefox. Other applications -->\n"
631 "<!-- that render these files properly but much slower are ImageMagick, -->\n"
632 "<!-- gimp, inkscape, etc. To display the files on your system, just -->\n"
633 "<!-- point your browser to this file. -->\n\n"
634 "<!-- This plot was generated by systemd-analyze version %-16.16s -->\n\n", VERSION);
635
636 /* style sheet */
637 svg("<defs>\n <style type=\"text/css\">\n <![CDATA[\n"
638 " rect { stroke-width: 1; stroke-opacity: 0; }\n"
639 " rect.background { fill: rgb(255,255,255); }\n"
640 " rect.activating { fill: rgb(255,0,0); fill-opacity: 0.7; }\n"
641 " rect.active { fill: rgb(200,150,150); fill-opacity: 0.7; }\n"
642 " rect.deactivating { fill: rgb(150,100,100); fill-opacity: 0.7; }\n"
643 " rect.kernel { fill: rgb(150,150,150); fill-opacity: 0.7; }\n"
644 " rect.initrd { fill: rgb(150,150,150); fill-opacity: 0.7; }\n"
645 " rect.firmware { fill: rgb(150,150,150); fill-opacity: 0.7; }\n"
646 " rect.loader { fill: rgb(150,150,150); fill-opacity: 0.7; }\n"
647 " rect.userspace { fill: rgb(150,150,150); fill-opacity: 0.7; }\n"
648 " rect.security { fill: rgb(144,238,144); fill-opacity: 0.7; }\n"
649 " rect.generators { fill: rgb(102,204,255); fill-opacity: 0.7; }\n"
650 " rect.unitsload { fill: rgb( 82,184,255); fill-opacity: 0.7; }\n"
651 " rect.box { fill: rgb(240,240,240); stroke: rgb(192,192,192); }\n"
652 " line { stroke: rgb(64,64,64); stroke-width: 1; }\n"
653 "// line.sec1 { }\n"
654 " line.sec5 { stroke-width: 2; }\n"
655 " line.sec01 { stroke: rgb(224,224,224); stroke-width: 1; }\n"
656 " text { font-family: Verdana, Helvetica; font-size: 14px; }\n"
657 " text.left { font-family: Verdana, Helvetica; font-size: 14px; text-anchor: start; }\n"
658 " text.right { font-family: Verdana, Helvetica; font-size: 14px; text-anchor: end; }\n"
659 " text.sec { font-size: 10px; }\n"
660 " ]]>\n </style>\n</defs>\n\n");
661
662 svg("<rect class=\"background\" width=\"100%%\" height=\"100%%\" />\n");
663 svg("<text x=\"20\" y=\"50\">%s</text>", pretty_times);
664 svg("<text x=\"20\" y=\"30\">%s %s (%s %s %s) %s %s</text>",
665 isempty(host->os_pretty_name) ? "Linux" : host->os_pretty_name,
666 strempty(host->hostname),
667 strempty(host->kernel_name),
668 strempty(host->kernel_release),
669 strempty(host->kernel_version),
670 strempty(host->architecture),
671 strempty(host->virtualization));
672
673 svg("<g transform=\"translate(%.3f,100)\">\n", 20.0 + (SCALE_X * boot->firmware_time));
674 svg_graph_box(m, -(double) boot->firmware_time, boot->finish_time);
675
676 if (boot->firmware_time) {
677 svg_bar("firmware", -(double) boot->firmware_time, -(double) boot->loader_time, y);
678 svg_text(true, -(double) boot->firmware_time, y, "firmware");
679 y++;
680 }
681 if (boot->loader_time) {
682 svg_bar("loader", -(double) boot->loader_time, 0, y);
683 svg_text(true, -(double) boot->loader_time, y, "loader");
684 y++;
685 }
686 if (boot->kernel_time) {
687 svg_bar("kernel", 0, boot->kernel_done_time, y);
688 svg_text(true, 0, y, "kernel");
689 y++;
690 }
691 if (boot->initrd_time) {
692 svg_bar("initrd", boot->initrd_time, boot->userspace_time, y);
693 svg_text(true, boot->initrd_time, y, "initrd");
694 y++;
695 }
696 svg_bar("active", boot->userspace_time, boot->finish_time, y);
697 svg_bar("security", boot->security_start_time, boot->security_finish_time, y);
698 svg_bar("generators", boot->generators_start_time, boot->generators_finish_time, y);
699 svg_bar("unitsload", boot->unitsload_start_time, boot->unitsload_finish_time, y);
700 svg_text(true, boot->userspace_time, y, "systemd");
701 y++;
702
703 for (u = times; u < times + n; u++) {
704 char ts[FORMAT_TIMESPAN_MAX];
705 bool b;
706
707 if (!u->name)
708 continue;
709
710 svg_bar("activating", u->activating, u->activated, y);
711 svg_bar("active", u->activated, u->deactivating, y);
712 svg_bar("deactivating", u->deactivating, u->deactivated, y);
713
714 /* place the text on the left if we have passed the half of the svg width */
715 b = u->activating * SCALE_X < width / 2;
716 if (u->time)
717 svg_text(b, u->activating, y, "%s (%s)",
718 u->name, format_timespan(ts, sizeof(ts), u->time, USEC_PER_MSEC));
719 else
720 svg_text(b, u->activating, y, "%s", u->name);
721 y++;
722 }
723
724 svg("</g>\n");
725
726 /* Legend */
727 svg("<g transform=\"translate(20,100)\">\n");
728 y++;
729 svg_bar("activating", 0, 300000, y);
730 svg_text(true, 400000, y, "Activating");
731 y++;
732 svg_bar("active", 0, 300000, y);
733 svg_text(true, 400000, y, "Active");
734 y++;
735 svg_bar("deactivating", 0, 300000, y);
736 svg_text(true, 400000, y, "Deactivating");
737 y++;
738 svg_bar("security", 0, 300000, y);
739 svg_text(true, 400000, y, "Setting up security module");
740 y++;
741 svg_bar("generators", 0, 300000, y);
742 svg_text(true, 400000, y, "Generators");
743 y++;
744 svg_bar("unitsload", 0, 300000, y);
745 svg_text(true, 400000, y, "Loading unit files");
746 y++;
747
748 svg("</g>\n\n");
749
750 svg("</svg>\n");
751
752 free_unit_times(times, (unsigned) n);
753
754 n = 0;
755 return n;
756 }
757
758 static int list_dependencies_print(const char *name, unsigned int level, unsigned int branches,
759 bool last, struct unit_times *times, struct boot_times *boot) {
760 unsigned int i;
761 char ts[FORMAT_TIMESPAN_MAX], ts2[FORMAT_TIMESPAN_MAX];
762
763 for (i = level; i != 0; i--)
764 printf("%s", draw_special_char(branches & (1 << (i-1)) ? DRAW_TREE_VERTICAL : DRAW_TREE_SPACE));
765
766 printf("%s", draw_special_char(last ? DRAW_TREE_RIGHT : DRAW_TREE_BRANCH));
767
768 if (times) {
769 if (times->time)
770 printf("%s%s @%s +%s%s", ANSI_HIGHLIGHT_RED, name,
771 format_timespan(ts, sizeof(ts), times->activating - boot->userspace_time, USEC_PER_MSEC),
772 format_timespan(ts2, sizeof(ts2), times->time, USEC_PER_MSEC), ANSI_NORMAL);
773 else if (times->activated > boot->userspace_time)
774 printf("%s @%s", name, format_timespan(ts, sizeof(ts), times->activated - boot->userspace_time, USEC_PER_MSEC));
775 else
776 printf("%s", name);
777 } else
778 printf("%s", name);
779 printf("\n");
780
781 return 0;
782 }
783
784 static int list_dependencies_get_dependencies(sd_bus *bus, const char *name, char ***deps) {
785 _cleanup_free_ char *path = NULL;
786
787 assert(bus);
788 assert(name);
789 assert(deps);
790
791 path = unit_dbus_path_from_name(name);
792 if (path == NULL)
793 return -ENOMEM;
794
795 return bus_get_unit_property_strv(bus, path, "After", deps);
796 }
797
798 static Hashmap *unit_times_hashmap;
799
800 static int list_dependencies_compare(const void *_a, const void *_b) {
801 const char **a = (const char**) _a, **b = (const char**) _b;
802 usec_t usa = 0, usb = 0;
803 struct unit_times *times;
804
805 times = hashmap_get(unit_times_hashmap, *a);
806 if (times)
807 usa = times->activated;
808 times = hashmap_get(unit_times_hashmap, *b);
809 if (times)
810 usb = times->activated;
811
812 return usb - usa;
813 }
814
815 static int list_dependencies_one(sd_bus *bus, const char *name, unsigned int level, char ***units,
816 unsigned int branches) {
817 _cleanup_strv_free_ char **deps = NULL;
818 char **c;
819 int r = 0;
820 usec_t service_longest = 0;
821 int to_print = 0;
822 struct unit_times *times;
823 struct boot_times *boot;
824
825 if (strv_extend(units, name))
826 return log_oom();
827
828 r = list_dependencies_get_dependencies(bus, name, &deps);
829 if (r < 0)
830 return r;
831
832 qsort_safe(deps, strv_length(deps), sizeof (char*), list_dependencies_compare);
833
834 r = acquire_boot_times(bus, &boot);
835 if (r < 0)
836 return r;
837
838 STRV_FOREACH(c, deps) {
839 times = hashmap_get(unit_times_hashmap, *c);
840 if (times
841 && times->activated
842 && times->activated <= boot->finish_time
843 && (times->activated >= service_longest
844 || service_longest == 0)) {
845 service_longest = times->activated;
846 break;
847 }
848 }
849
850 if (service_longest == 0 )
851 return r;
852
853 STRV_FOREACH(c, deps) {
854 times = hashmap_get(unit_times_hashmap, *c);
855 if (times && times->activated && times->activated <= boot->finish_time && (service_longest - times->activated) <= arg_fuzz)
856 to_print++;
857 }
858
859 if (!to_print)
860 return r;
861
862 STRV_FOREACH(c, deps) {
863 times = hashmap_get(unit_times_hashmap, *c);
864 if (!times
865 || !times->activated
866 || times->activated > boot->finish_time
867 || service_longest - times->activated > arg_fuzz)
868 continue;
869
870 to_print--;
871
872 r = list_dependencies_print(*c, level, branches, to_print == 0, times, boot);
873 if (r < 0)
874 return r;
875
876 if (strv_contains(*units, *c)) {
877 r = list_dependencies_print("...", level + 1, (branches << 1) | (to_print ? 1 : 0),
878 true, NULL, boot);
879 if (r < 0)
880 return r;
881 continue;
882 }
883
884 r = list_dependencies_one(bus, *c, level + 1, units,
885 (branches << 1) | (to_print ? 1 : 0));
886 if (r < 0)
887 return r;
888
889 if (!to_print)
890 break;
891 }
892 return 0;
893 }
894
895 static int list_dependencies(sd_bus *bus, const char *name) {
896 _cleanup_strv_free_ char **units = NULL;
897 char ts[FORMAT_TIMESPAN_MAX];
898 struct unit_times *times;
899 int r;
900 const char *id;
901 _cleanup_free_ char *path = NULL;
902 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
903 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
904 struct boot_times *boot;
905
906 assert(bus);
907
908 path = unit_dbus_path_from_name(name);
909 if (path == NULL)
910 return -ENOMEM;
911
912 r = sd_bus_get_property(
913 bus,
914 "org.freedesktop.systemd1",
915 path,
916 "org.freedesktop.systemd1.Unit",
917 "Id",
918 &error,
919 &reply,
920 "s");
921 if (r < 0) {
922 log_error("Failed to get ID: %s", bus_error_message(&error, -r));
923 return r;
924 }
925
926 r = sd_bus_message_read(reply, "s", &id);
927 if (r < 0)
928 return bus_log_parse_error(r);
929
930 times = hashmap_get(unit_times_hashmap, id);
931
932 r = acquire_boot_times(bus, &boot);
933 if (r < 0)
934 return r;
935
936 if (times) {
937 if (times->time)
938 printf("%s%s +%s%s\n", ANSI_HIGHLIGHT_RED, id,
939 format_timespan(ts, sizeof(ts), times->time, USEC_PER_MSEC), ANSI_NORMAL);
940 else if (times->activated > boot->userspace_time)
941 printf("%s @%s\n", id, format_timespan(ts, sizeof(ts), times->activated - boot->userspace_time, USEC_PER_MSEC));
942 else
943 printf("%s\n", id);
944 }
945
946 return list_dependencies_one(bus, name, 0, &units, 0);
947 }
948
949 static int analyze_critical_chain(sd_bus *bus, char *names[]) {
950 struct unit_times *times;
951 unsigned int i;
952 Hashmap *h;
953 int n, r;
954
955 n = acquire_time_data(bus, &times);
956 if (n <= 0)
957 return n;
958
959 h = hashmap_new(&string_hash_ops);
960 if (!h)
961 return -ENOMEM;
962
963 for (i = 0; i < (unsigned)n; i++) {
964 r = hashmap_put(h, times[i].name, &times[i]);
965 if (r < 0)
966 return r;
967 }
968 unit_times_hashmap = h;
969
970 pager_open_if_enabled();
971
972 puts("The time after the unit is active or started is printed after the \"@\" character.\n"
973 "The time the unit takes to start is printed after the \"+\" character.\n");
974
975 if (!strv_isempty(names)) {
976 char **name;
977 STRV_FOREACH(name, names)
978 list_dependencies(bus, *name);
979 } else
980 list_dependencies(bus, SPECIAL_DEFAULT_TARGET);
981
982 hashmap_free(h);
983 free_unit_times(times, (unsigned) n);
984 return 0;
985 }
986
987 static int analyze_blame(sd_bus *bus) {
988 struct unit_times *times;
989 unsigned i;
990 int n;
991
992 n = acquire_time_data(bus, &times);
993 if (n <= 0)
994 return n;
995
996 qsort(times, n, sizeof(struct unit_times), compare_unit_time);
997
998 pager_open_if_enabled();
999
1000 for (i = 0; i < (unsigned) n; i++) {
1001 char ts[FORMAT_TIMESPAN_MAX];
1002
1003 if (times[i].time > 0)
1004 printf("%16s %s\n", format_timespan(ts, sizeof(ts), times[i].time, USEC_PER_MSEC), times[i].name);
1005 }
1006
1007 free_unit_times(times, (unsigned) n);
1008 return 0;
1009 }
1010
1011 static int analyze_time(sd_bus *bus) {
1012 _cleanup_free_ char *buf = NULL;
1013 int r;
1014
1015 r = pretty_boot_time(bus, &buf);
1016 if (r < 0)
1017 return r;
1018
1019 puts(buf);
1020 return 0;
1021 }
1022
1023 static int graph_one_property(sd_bus *bus, const UnitInfo *u, const char* prop, const char *color, char* patterns[], char* from_patterns[], char* to_patterns[]) {
1024 _cleanup_strv_free_ char **units = NULL;
1025 char **unit;
1026 int r;
1027 bool match_patterns;
1028
1029 assert(u);
1030 assert(prop);
1031 assert(color);
1032
1033 match_patterns = strv_fnmatch(patterns, u->id, 0);
1034
1035 if (!strv_isempty(from_patterns) &&
1036 !match_patterns &&
1037 !strv_fnmatch(from_patterns, u->id, 0))
1038 return 0;
1039
1040 r = bus_get_unit_property_strv(bus, u->unit_path, prop, &units);
1041 if (r < 0)
1042 return r;
1043
1044 STRV_FOREACH(unit, units) {
1045 bool match_patterns2;
1046
1047 match_patterns2 = strv_fnmatch(patterns, *unit, 0);
1048
1049 if (!strv_isempty(to_patterns) &&
1050 !match_patterns2 &&
1051 !strv_fnmatch(to_patterns, *unit, 0))
1052 continue;
1053
1054 if (!strv_isempty(patterns) && !match_patterns && !match_patterns2)
1055 continue;
1056
1057 printf("\t\"%s\"->\"%s\" [color=\"%s\"];\n", u->id, *unit, color);
1058 }
1059
1060 return 0;
1061 }
1062
1063 static int graph_one(sd_bus *bus, const UnitInfo *u, char *patterns[], char *from_patterns[], char *to_patterns[]) {
1064 int r;
1065
1066 assert(bus);
1067 assert(u);
1068
1069 if (IN_SET(arg_dot, DEP_ORDER, DEP_ALL)) {
1070 r = graph_one_property(bus, u, "After", "green", patterns, from_patterns, to_patterns);
1071 if (r < 0)
1072 return r;
1073 }
1074
1075 if (IN_SET(arg_dot, DEP_REQUIRE, DEP_ALL)) {
1076 r = graph_one_property(bus, u, "Requires", "black", patterns, from_patterns, to_patterns);
1077 if (r < 0)
1078 return r;
1079 r = graph_one_property(bus, u, "Requisite", "darkblue", patterns, from_patterns, to_patterns);
1080 if (r < 0)
1081 return r;
1082 r = graph_one_property(bus, u, "Wants", "grey66", patterns, from_patterns, to_patterns);
1083 if (r < 0)
1084 return r;
1085 r = graph_one_property(bus, u, "Conflicts", "red", patterns, from_patterns, to_patterns);
1086 if (r < 0)
1087 return r;
1088 }
1089
1090 return 0;
1091 }
1092
1093 static int expand_patterns(sd_bus *bus, char **patterns, char ***ret) {
1094 _cleanup_strv_free_ char **expanded_patterns = NULL;
1095 char **pattern;
1096 int r;
1097
1098 STRV_FOREACH(pattern, patterns) {
1099 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
1100 _cleanup_free_ char *unit = NULL, *unit_id = NULL;
1101
1102 if (strv_extend(&expanded_patterns, *pattern) < 0)
1103 return log_oom();
1104
1105 if (string_is_glob(*pattern))
1106 continue;
1107
1108 unit = unit_dbus_path_from_name(*pattern);
1109 if (!unit)
1110 return log_oom();
1111
1112 r = sd_bus_get_property_string(
1113 bus,
1114 "org.freedesktop.systemd1",
1115 unit,
1116 "org.freedesktop.systemd1.Unit",
1117 "Id",
1118 &error,
1119 &unit_id);
1120 if (r < 0)
1121 return log_error_errno(r, "Failed to get ID: %s", bus_error_message(&error, r));
1122
1123 if (!streq(*pattern, unit_id)) {
1124 if (strv_extend(&expanded_patterns, unit_id) < 0)
1125 return log_oom();
1126 }
1127 }
1128
1129 *ret = expanded_patterns;
1130 expanded_patterns = NULL; /* do not free */
1131
1132 return 0;
1133 }
1134
1135 static int dot(sd_bus *bus, char* patterns[]) {
1136 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
1137 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
1138 _cleanup_strv_free_ char **expanded_patterns = NULL;
1139 _cleanup_strv_free_ char **expanded_from_patterns = NULL;
1140 _cleanup_strv_free_ char **expanded_to_patterns = NULL;
1141 int r;
1142 UnitInfo u;
1143
1144 r = expand_patterns(bus, patterns, &expanded_patterns);
1145 if (r < 0)
1146 return r;
1147
1148 r = expand_patterns(bus, arg_dot_from_patterns, &expanded_from_patterns);
1149 if (r < 0)
1150 return r;
1151
1152 r = expand_patterns(bus, arg_dot_to_patterns, &expanded_to_patterns);
1153 if (r < 0)
1154 return r;
1155
1156 r = sd_bus_call_method(
1157 bus,
1158 "org.freedesktop.systemd1",
1159 "/org/freedesktop/systemd1",
1160 "org.freedesktop.systemd1.Manager",
1161 "ListUnits",
1162 &error,
1163 &reply,
1164 "");
1165 if (r < 0) {
1166 log_error("Failed to list units: %s", bus_error_message(&error, -r));
1167 return r;
1168 }
1169
1170 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssssssouso)");
1171 if (r < 0)
1172 return bus_log_parse_error(r);
1173
1174 printf("digraph systemd {\n");
1175
1176 while ((r = bus_parse_unit_info(reply, &u)) > 0) {
1177
1178 r = graph_one(bus, &u, expanded_patterns, expanded_from_patterns, expanded_to_patterns);
1179 if (r < 0)
1180 return r;
1181 }
1182 if (r < 0)
1183 return bus_log_parse_error(r);
1184
1185 printf("}\n");
1186
1187 log_info(" Color legend: black = Requires\n"
1188 " dark blue = Requisite\n"
1189 " dark grey = Wants\n"
1190 " red = Conflicts\n"
1191 " green = After\n");
1192
1193 if (on_tty())
1194 log_notice("-- You probably want to process this output with graphviz' dot tool.\n"
1195 "-- Try a shell pipeline like 'systemd-analyze dot | dot -Tsvg > systemd.svg'!\n");
1196
1197 return 0;
1198 }
1199
1200 static int dump(sd_bus *bus, char **args) {
1201 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
1202 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
1203 const char *text = NULL;
1204 int r;
1205
1206 if (!strv_isempty(args)) {
1207 log_error("Too many arguments.");
1208 return -E2BIG;
1209 }
1210
1211 pager_open_if_enabled();
1212
1213 r = sd_bus_call_method(
1214 bus,
1215 "org.freedesktop.systemd1",
1216 "/org/freedesktop/systemd1",
1217 "org.freedesktop.systemd1.Manager",
1218 "Dump",
1219 &error,
1220 &reply,
1221 "");
1222 if (r < 0)
1223 return log_error_errno(r, "Failed issue method call: %s", bus_error_message(&error, r));
1224
1225 r = sd_bus_message_read(reply, "s", &text);
1226 if (r < 0)
1227 return bus_log_parse_error(r);
1228
1229 fputs(text, stdout);
1230 return 0;
1231 }
1232
1233 static int set_log_level(sd_bus *bus, char **args) {
1234 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
1235 int r;
1236
1237 assert(bus);
1238 assert(args);
1239
1240 if (strv_length(args) != 1) {
1241 log_error("This command expects one argument only.");
1242 return -E2BIG;
1243 }
1244
1245 r = sd_bus_set_property(
1246 bus,
1247 "org.freedesktop.systemd1",
1248 "/org/freedesktop/systemd1",
1249 "org.freedesktop.systemd1.Manager",
1250 "LogLevel",
1251 &error,
1252 "s",
1253 args[0]);
1254 if (r < 0)
1255 return log_error_errno(r, "Failed to issue method call: %s", bus_error_message(&error, r));
1256
1257 return 0;
1258 }
1259
1260 static int set_log_target(sd_bus *bus, char **args) {
1261 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
1262 int r;
1263
1264 assert(bus);
1265 assert(args);
1266
1267 if (strv_length(args) != 1) {
1268 log_error("This command expects one argument only.");
1269 return -E2BIG;
1270 }
1271
1272 r = sd_bus_set_property(
1273 bus,
1274 "org.freedesktop.systemd1",
1275 "/org/freedesktop/systemd1",
1276 "org.freedesktop.systemd1.Manager",
1277 "LogTarget",
1278 &error,
1279 "s",
1280 args[0]);
1281 if (r < 0)
1282 return log_error_errno(r, "Failed to issue method call: %s", bus_error_message(&error, r));
1283
1284 return 0;
1285 }
1286
1287 static void help(void) {
1288
1289 pager_open_if_enabled();
1290
1291 printf("%s [OPTIONS...] {COMMAND} ...\n\n"
1292 "Profile systemd, show unit dependencies, check unit files.\n\n"
1293 " -h --help Show this help\n"
1294 " --version Show package version\n"
1295 " --no-pager Do not pipe output into a pager\n"
1296 " --system Operate on system systemd instance\n"
1297 " --user Operate on user systemd instance\n"
1298 " -H --host=[USER@]HOST Operate on remote host\n"
1299 " -M --machine=CONTAINER Operate on local container\n"
1300 " --order Show only order in the graph\n"
1301 " --require Show only requirement in the graph\n"
1302 " --from-pattern=GLOB Show only origins in the graph\n"
1303 " --to-pattern=GLOB Show only destinations in the graph\n"
1304 " --fuzz=SECONDS Also print also services which finished SECONDS\n"
1305 " earlier than the latest in the branch\n"
1306 " --man[=BOOL] Do [not] check for existence of man pages\n\n"
1307 "Commands:\n"
1308 " time Print time spent in the kernel\n"
1309 " blame Print list of running units ordered by time to init\n"
1310 " critical-chain Print a tree of the time critical chain of units\n"
1311 " plot Output SVG graphic showing service initialization\n"
1312 " dot Output dependency graph in dot(1) format\n"
1313 " set-log-level LEVEL Set logging threshold for manager\n"
1314 " set-log-target TARGET Set logging target for manager\n"
1315 " dump Output state serialization of service manager\n"
1316 " verify FILE... Check unit files for correctness\n"
1317 , program_invocation_short_name);
1318
1319 /* When updating this list, including descriptions, apply
1320 * changes to shell-completion/bash/systemd-analyze and
1321 * shell-completion/zsh/_systemd-analyze too. */
1322 }
1323
1324 static int parse_argv(int argc, char *argv[]) {
1325 enum {
1326 ARG_VERSION = 0x100,
1327 ARG_ORDER,
1328 ARG_REQUIRE,
1329 ARG_USER,
1330 ARG_SYSTEM,
1331 ARG_DOT_FROM_PATTERN,
1332 ARG_DOT_TO_PATTERN,
1333 ARG_FUZZ,
1334 ARG_NO_PAGER,
1335 ARG_MAN,
1336 };
1337
1338 static const struct option options[] = {
1339 { "help", no_argument, NULL, 'h' },
1340 { "version", no_argument, NULL, ARG_VERSION },
1341 { "order", no_argument, NULL, ARG_ORDER },
1342 { "require", no_argument, NULL, ARG_REQUIRE },
1343 { "user", no_argument, NULL, ARG_USER },
1344 { "system", no_argument, NULL, ARG_SYSTEM },
1345 { "from-pattern", required_argument, NULL, ARG_DOT_FROM_PATTERN },
1346 { "to-pattern", required_argument, NULL, ARG_DOT_TO_PATTERN },
1347 { "fuzz", required_argument, NULL, ARG_FUZZ },
1348 { "no-pager", no_argument, NULL, ARG_NO_PAGER },
1349 { "man", optional_argument, NULL, ARG_MAN },
1350 { "host", required_argument, NULL, 'H' },
1351 { "machine", required_argument, NULL, 'M' },
1352 {}
1353 };
1354
1355 int r, c;
1356
1357 assert(argc >= 0);
1358 assert(argv);
1359
1360 while ((c = getopt_long(argc, argv, "hH:M:", options, NULL)) >= 0)
1361 switch (c) {
1362
1363 case 'h':
1364 help();
1365 return 0;
1366
1367 case ARG_VERSION:
1368 return version();
1369
1370 case ARG_USER:
1371 arg_user = true;
1372 break;
1373
1374 case ARG_SYSTEM:
1375 arg_user = false;
1376 break;
1377
1378 case ARG_ORDER:
1379 arg_dot = DEP_ORDER;
1380 break;
1381
1382 case ARG_REQUIRE:
1383 arg_dot = DEP_REQUIRE;
1384 break;
1385
1386 case ARG_DOT_FROM_PATTERN:
1387 if (strv_extend(&arg_dot_from_patterns, optarg) < 0)
1388 return log_oom();
1389
1390 break;
1391
1392 case ARG_DOT_TO_PATTERN:
1393 if (strv_extend(&arg_dot_to_patterns, optarg) < 0)
1394 return log_oom();
1395
1396 break;
1397
1398 case ARG_FUZZ:
1399 r = parse_sec(optarg, &arg_fuzz);
1400 if (r < 0)
1401 return r;
1402 break;
1403
1404 case ARG_NO_PAGER:
1405 arg_no_pager = true;
1406 break;
1407
1408 case 'H':
1409 arg_transport = BUS_TRANSPORT_REMOTE;
1410 arg_host = optarg;
1411 break;
1412
1413 case 'M':
1414 arg_transport = BUS_TRANSPORT_MACHINE;
1415 arg_host = optarg;
1416 break;
1417
1418 case ARG_MAN:
1419 if (optarg) {
1420 r = parse_boolean(optarg);
1421 if (r < 0) {
1422 log_error("Failed to parse --man= argument.");
1423 return -EINVAL;
1424 }
1425
1426 arg_man = !!r;
1427 } else
1428 arg_man = true;
1429
1430 break;
1431
1432 case '?':
1433 return -EINVAL;
1434
1435 default:
1436 assert_not_reached("Unhandled option code.");
1437 }
1438
1439 return 1; /* work to do */
1440 }
1441
1442 int main(int argc, char *argv[]) {
1443 int r;
1444
1445 setlocale(LC_ALL, "");
1446 setlocale(LC_NUMERIC, "C"); /* we want to format/parse floats in C style */
1447 log_parse_environment();
1448 log_open();
1449
1450 r = parse_argv(argc, argv);
1451 if (r <= 0)
1452 goto finish;
1453
1454 if (streq_ptr(argv[optind], "verify"))
1455 r = verify_units(argv+optind+1,
1456 arg_user ? MANAGER_USER : MANAGER_SYSTEM,
1457 arg_man);
1458 else {
1459 _cleanup_bus_flush_close_unref_ sd_bus *bus = NULL;
1460
1461 r = bus_connect_transport_systemd(arg_transport, arg_host, arg_user, &bus);
1462 if (r < 0) {
1463 log_error_errno(r, "Failed to create bus connection: %m");
1464 goto finish;
1465 }
1466
1467 if (!argv[optind] || streq(argv[optind], "time"))
1468 r = analyze_time(bus);
1469 else if (streq(argv[optind], "blame"))
1470 r = analyze_blame(bus);
1471 else if (streq(argv[optind], "critical-chain"))
1472 r = analyze_critical_chain(bus, argv+optind+1);
1473 else if (streq(argv[optind], "plot"))
1474 r = analyze_plot(bus);
1475 else if (streq(argv[optind], "dot"))
1476 r = dot(bus, argv+optind+1);
1477 else if (streq(argv[optind], "dump"))
1478 r = dump(bus, argv+optind+1);
1479 else if (streq(argv[optind], "set-log-level"))
1480 r = set_log_level(bus, argv+optind+1);
1481 else if (streq(argv[optind], "set-log-target"))
1482 r = set_log_target(bus, argv+optind+1);
1483 else
1484 log_error("Unknown operation '%s'.", argv[optind]);
1485 }
1486
1487 finish:
1488 pager_close();
1489
1490 strv_free(arg_dot_from_patterns);
1491 strv_free(arg_dot_to_patterns);
1492
1493 return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
1494 }