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analyze: introduce _cleanup_host_info_
[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 "analyze-verify.h"
31 #include "bus-error.h"
32 #include "bus-util.h"
33 #include "hashmap.h"
34 #include "log.h"
35 #include "pager.h"
36 #include "special.h"
37 #include "strv.h"
38 #include "strxcpyx.h"
39 #include "terminal-util.h"
40 #include "unit-name.h"
41 #include "util.h"
42
43 #define SCALE_X (0.1 / 1000.0) /* pixels per us */
44 #define SCALE_Y (20.0)
45
46 #define compare(a, b) (((a) > (b))? 1 : (((b) > (a))? -1 : 0))
47
48 #define svg(...) printf(__VA_ARGS__)
49
50 #define svg_bar(class, x1, x2, y) \
51 svg(" <rect class=\"%s\" x=\"%.03f\" y=\"%.03f\" width=\"%.03f\" height=\"%.03f\" />\n", \
52 (class), \
53 SCALE_X * (x1), SCALE_Y * (y), \
54 SCALE_X * ((x2) - (x1)), SCALE_Y - 1.0)
55
56 #define svg_text(b, x, y, format, ...) \
57 do { \
58 svg(" <text class=\"%s\" x=\"%.03f\" y=\"%.03f\">", (b) ? "left" : "right", SCALE_X * (x) + (b ? 5.0 : -5.0), SCALE_Y * (y) + 14.0); \
59 svg(format, ## __VA_ARGS__); \
60 svg("</text>\n"); \
61 } while(false)
62
63 static enum dot {
64 DEP_ALL,
65 DEP_ORDER,
66 DEP_REQUIRE
67 } arg_dot = DEP_ALL;
68 static char** arg_dot_from_patterns = NULL;
69 static char** arg_dot_to_patterns = NULL;
70 static usec_t arg_fuzz = 0;
71 static bool arg_no_pager = false;
72 static BusTransport arg_transport = BUS_TRANSPORT_LOCAL;
73 static char *arg_host = NULL;
74 static bool arg_user = false;
75 static bool arg_man = true;
76
77 struct boot_times {
78 usec_t firmware_time;
79 usec_t loader_time;
80 usec_t kernel_time;
81 usec_t kernel_done_time;
82 usec_t initrd_time;
83 usec_t userspace_time;
84 usec_t finish_time;
85 usec_t security_start_time;
86 usec_t security_finish_time;
87 usec_t generators_start_time;
88 usec_t generators_finish_time;
89 usec_t unitsload_start_time;
90 usec_t unitsload_finish_time;
91
92 /*
93 * If we're analyzing the user instance, all timestamps will be offset
94 * by its own start-up timestamp, which may be arbitrarily big.
95 * With "plot", this causes arbitrarily wide output SVG files which almost
96 * completely consist of empty space. Thus we cancel out this offset.
97 *
98 * This offset is subtracted from times above by acquire_boot_times(),
99 * but it still needs to be subtracted from unit-specific timestamps
100 * (so it is stored here for reference).
101 */
102 usec_t reverse_offset;
103 };
104
105 struct unit_times {
106 char *name;
107 usec_t activating;
108 usec_t activated;
109 usec_t deactivated;
110 usec_t deactivating;
111 usec_t time;
112 };
113
114 struct host_info {
115 char *hostname;
116 char *kernel_name;
117 char *kernel_release;
118 char *kernel_version;
119 char *os_pretty_name;
120 char *virtualization;
121 char *architecture;
122 };
123
124 static void pager_open_if_enabled(void) {
125
126 if (arg_no_pager)
127 return;
128
129 pager_open(false);
130 }
131
132 static int bus_get_uint64_property(sd_bus *bus, const char *path, const char *interface, const char *property, uint64_t *val) {
133 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
134 int r;
135
136 assert(bus);
137 assert(path);
138 assert(interface);
139 assert(property);
140 assert(val);
141
142 r = sd_bus_get_property_trivial(
143 bus,
144 "org.freedesktop.systemd1",
145 path,
146 interface,
147 property,
148 &error,
149 't', val);
150
151 if (r < 0) {
152 log_error("Failed to parse reply: %s", bus_error_message(&error, -r));
153 return r;
154 }
155
156 return 0;
157 }
158
159 static int bus_get_unit_property_strv(sd_bus *bus, const char *path, const char *property, char ***strv) {
160 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
161 int r;
162
163 assert(bus);
164 assert(path);
165 assert(property);
166 assert(strv);
167
168 r = sd_bus_get_property_strv(
169 bus,
170 "org.freedesktop.systemd1",
171 path,
172 "org.freedesktop.systemd1.Unit",
173 property,
174 &error,
175 strv);
176 if (r < 0) {
177 log_error("Failed to get unit property %s: %s", property, bus_error_message(&error, -r));
178 return r;
179 }
180
181 return 0;
182 }
183
184 static int compare_unit_time(const void *a, const void *b) {
185 return compare(((struct unit_times *)b)->time,
186 ((struct unit_times *)a)->time);
187 }
188
189 static int compare_unit_start(const void *a, const void *b) {
190 return compare(((struct unit_times *)a)->activating,
191 ((struct unit_times *)b)->activating);
192 }
193
194 static void free_unit_times(struct unit_times *t, unsigned n) {
195 struct unit_times *p;
196
197 for (p = t; p < t + n; p++)
198 free(p->name);
199
200 free(t);
201 }
202
203 static void subtract_timestamp(usec_t *a, usec_t b) {
204 assert(a);
205
206 if (*a > 0) {
207 assert(*a >= b);
208 *a -= b;
209 }
210 }
211
212 static int acquire_boot_times(sd_bus *bus, struct boot_times **bt) {
213 static struct boot_times times;
214 static bool cached = false;
215
216 if (cached)
217 goto finish;
218
219 assert_cc(sizeof(usec_t) == sizeof(uint64_t));
220
221 if (bus_get_uint64_property(bus,
222 "/org/freedesktop/systemd1",
223 "org.freedesktop.systemd1.Manager",
224 "FirmwareTimestampMonotonic",
225 &times.firmware_time) < 0 ||
226 bus_get_uint64_property(bus,
227 "/org/freedesktop/systemd1",
228 "org.freedesktop.systemd1.Manager",
229 "LoaderTimestampMonotonic",
230 &times.loader_time) < 0 ||
231 bus_get_uint64_property(bus,
232 "/org/freedesktop/systemd1",
233 "org.freedesktop.systemd1.Manager",
234 "KernelTimestamp",
235 &times.kernel_time) < 0 ||
236 bus_get_uint64_property(bus,
237 "/org/freedesktop/systemd1",
238 "org.freedesktop.systemd1.Manager",
239 "InitRDTimestampMonotonic",
240 &times.initrd_time) < 0 ||
241 bus_get_uint64_property(bus,
242 "/org/freedesktop/systemd1",
243 "org.freedesktop.systemd1.Manager",
244 "UserspaceTimestampMonotonic",
245 &times.userspace_time) < 0 ||
246 bus_get_uint64_property(bus,
247 "/org/freedesktop/systemd1",
248 "org.freedesktop.systemd1.Manager",
249 "FinishTimestampMonotonic",
250 &times.finish_time) < 0 ||
251 bus_get_uint64_property(bus,
252 "/org/freedesktop/systemd1",
253 "org.freedesktop.systemd1.Manager",
254 "SecurityStartTimestampMonotonic",
255 &times.security_start_time) < 0 ||
256 bus_get_uint64_property(bus,
257 "/org/freedesktop/systemd1",
258 "org.freedesktop.systemd1.Manager",
259 "SecurityFinishTimestampMonotonic",
260 &times.security_finish_time) < 0 ||
261 bus_get_uint64_property(bus,
262 "/org/freedesktop/systemd1",
263 "org.freedesktop.systemd1.Manager",
264 "GeneratorsStartTimestampMonotonic",
265 &times.generators_start_time) < 0 ||
266 bus_get_uint64_property(bus,
267 "/org/freedesktop/systemd1",
268 "org.freedesktop.systemd1.Manager",
269 "GeneratorsFinishTimestampMonotonic",
270 &times.generators_finish_time) < 0 ||
271 bus_get_uint64_property(bus,
272 "/org/freedesktop/systemd1",
273 "org.freedesktop.systemd1.Manager",
274 "UnitsLoadStartTimestampMonotonic",
275 &times.unitsload_start_time) < 0 ||
276 bus_get_uint64_property(bus,
277 "/org/freedesktop/systemd1",
278 "org.freedesktop.systemd1.Manager",
279 "UnitsLoadFinishTimestampMonotonic",
280 &times.unitsload_finish_time) < 0)
281 return -EIO;
282
283 if (times.finish_time <= 0) {
284 log_error("Bootup is not yet finished. Please try again later.");
285 return -EINPROGRESS;
286 }
287
288 if (arg_user) {
289 /*
290 * User-instance-specific timestamps processing
291 * (see comment to reverse_offset in struct boot_times).
292 */
293 times.reverse_offset = times.userspace_time;
294
295 times.firmware_time = times.loader_time = times.kernel_time = times.initrd_time = times.userspace_time = 0;
296 subtract_timestamp(&times.finish_time, times.reverse_offset);
297
298 subtract_timestamp(&times.security_start_time, times.reverse_offset);
299 subtract_timestamp(&times.security_finish_time, times.reverse_offset);
300
301 subtract_timestamp(&times.generators_start_time, times.reverse_offset);
302 subtract_timestamp(&times.generators_finish_time, times.reverse_offset);
303
304 subtract_timestamp(&times.unitsload_start_time, times.reverse_offset);
305 subtract_timestamp(&times.unitsload_finish_time, times.reverse_offset);
306 } else {
307 if (times.initrd_time)
308 times.kernel_done_time = times.initrd_time;
309 else
310 times.kernel_done_time = times.userspace_time;
311 }
312
313 cached = true;
314
315 finish:
316 *bt = &times;
317 return 0;
318 }
319
320 static void free_host_info(struct host_info *hi) {
321 if (hi == NULL)
322 return;
323 free(hi->hostname);
324 free(hi->kernel_name);
325 free(hi->kernel_release);
326 free(hi->kernel_version);
327 free(hi->os_pretty_name);
328 free(hi->virtualization);
329 free(hi->architecture);
330 free(hi);
331 }
332 DEFINE_TRIVIAL_CLEANUP_FUNC(struct host_info*, free_host_info);
333 #define _cleanup_host_info_ _cleanup_(free_host_infop)
334
335 static int acquire_time_data(sd_bus *bus, struct unit_times **out) {
336 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
337 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
338 int r, c = 0;
339 struct boot_times *boot_times = NULL;
340 struct unit_times *unit_times = NULL;
341 size_t size = 0;
342 UnitInfo u;
343
344 r = acquire_boot_times(bus, &boot_times);
345 if (r < 0)
346 goto fail;
347
348 r = sd_bus_call_method(
349 bus,
350 "org.freedesktop.systemd1",
351 "/org/freedesktop/systemd1",
352 "org.freedesktop.systemd1.Manager",
353 "ListUnits",
354 &error, &reply,
355 NULL);
356 if (r < 0) {
357 log_error("Failed to list units: %s", bus_error_message(&error, -r));
358 goto fail;
359 }
360
361 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssssssouso)");
362 if (r < 0) {
363 bus_log_parse_error(r);
364 goto fail;
365 }
366
367 while ((r = bus_parse_unit_info(reply, &u)) > 0) {
368 struct unit_times *t;
369
370 if (!GREEDY_REALLOC(unit_times, size, c+1)) {
371 r = log_oom();
372 goto fail;
373 }
374
375 t = unit_times+c;
376 t->name = NULL;
377
378 assert_cc(sizeof(usec_t) == sizeof(uint64_t));
379
380 if (bus_get_uint64_property(bus, u.unit_path,
381 "org.freedesktop.systemd1.Unit",
382 "InactiveExitTimestampMonotonic",
383 &t->activating) < 0 ||
384 bus_get_uint64_property(bus, u.unit_path,
385 "org.freedesktop.systemd1.Unit",
386 "ActiveEnterTimestampMonotonic",
387 &t->activated) < 0 ||
388 bus_get_uint64_property(bus, u.unit_path,
389 "org.freedesktop.systemd1.Unit",
390 "ActiveExitTimestampMonotonic",
391 &t->deactivating) < 0 ||
392 bus_get_uint64_property(bus, u.unit_path,
393 "org.freedesktop.systemd1.Unit",
394 "InactiveEnterTimestampMonotonic",
395 &t->deactivated) < 0) {
396 r = -EIO;
397 goto fail;
398 }
399
400 subtract_timestamp(&t->activating, boot_times->reverse_offset);
401 subtract_timestamp(&t->activated, boot_times->reverse_offset);
402 subtract_timestamp(&t->deactivating, boot_times->reverse_offset);
403 subtract_timestamp(&t->deactivated, boot_times->reverse_offset);
404
405 if (t->activated >= t->activating)
406 t->time = t->activated - t->activating;
407 else if (t->deactivated >= t->activating)
408 t->time = t->deactivated - t->activating;
409 else
410 t->time = 0;
411
412 if (t->activating == 0)
413 continue;
414
415 t->name = strdup(u.id);
416 if (t->name == NULL) {
417 r = log_oom();
418 goto fail;
419 }
420 c++;
421 }
422 if (r < 0) {
423 bus_log_parse_error(r);
424 goto fail;
425 }
426
427 *out = unit_times;
428 return c;
429
430 fail:
431 if (unit_times)
432 free_unit_times(unit_times, (unsigned) c);
433 return r;
434 }
435
436 static int acquire_host_info(sd_bus *bus, struct host_info **hi) {
437 int r;
438 struct host_info *host;
439
440 static const struct bus_properties_map hostname_map[] = {
441 { "Hostname", "s", NULL, offsetof(struct host_info, hostname) },
442 { "KernelName", "s", NULL, offsetof(struct host_info, kernel_name) },
443 { "KernelRelease", "s", NULL, offsetof(struct host_info, kernel_release) },
444 { "KernelVersion", "s", NULL, offsetof(struct host_info, kernel_version) },
445 { "OperatingSystemPrettyName", "s", NULL, offsetof(struct host_info, os_pretty_name) },
446 {}
447 };
448
449 static const struct bus_properties_map manager_map[] = {
450 { "Virtualization", "s", NULL, offsetof(struct host_info, virtualization) },
451 { "Architecture", "s", NULL, offsetof(struct host_info, architecture) },
452 {}
453 };
454
455 host = new0(struct host_info, 1);
456 if (!host)
457 return log_oom();
458
459 r = bus_map_all_properties(bus,
460 "org.freedesktop.hostname1",
461 "/org/freedesktop/hostname1",
462 hostname_map,
463 host);
464 if (r < 0)
465 goto fail;
466
467 r = bus_map_all_properties(bus,
468 "org.freedesktop.systemd1",
469 "/org/freedesktop/systemd1",
470 manager_map,
471 host);
472 if (r < 0)
473 goto fail;
474
475 *hi = host;
476 return 0;
477 fail:
478 free_host_info(host);
479 return r;
480 }
481
482 static int pretty_boot_time(sd_bus *bus, char **_buf) {
483 char ts[FORMAT_TIMESPAN_MAX];
484 struct boot_times *t;
485 static char buf[4096];
486 size_t size;
487 char *ptr;
488 int r;
489
490 r = acquire_boot_times(bus, &t);
491 if (r < 0)
492 return r;
493
494 ptr = buf;
495 size = sizeof(buf);
496
497 size = strpcpyf(&ptr, size, "Startup finished in ");
498 if (t->firmware_time)
499 size = strpcpyf(&ptr, size, "%s (firmware) + ", format_timespan(ts, sizeof(ts), t->firmware_time - t->loader_time, USEC_PER_MSEC));
500 if (t->loader_time)
501 size = strpcpyf(&ptr, size, "%s (loader) + ", format_timespan(ts, sizeof(ts), t->loader_time, USEC_PER_MSEC));
502 if (t->kernel_time)
503 size = strpcpyf(&ptr, size, "%s (kernel) + ", format_timespan(ts, sizeof(ts), t->kernel_done_time, USEC_PER_MSEC));
504 if (t->initrd_time > 0)
505 size = strpcpyf(&ptr, size, "%s (initrd) + ", format_timespan(ts, sizeof(ts), t->userspace_time - t->initrd_time, USEC_PER_MSEC));
506
507 size = strpcpyf(&ptr, size, "%s (userspace) ", format_timespan(ts, sizeof(ts), t->finish_time - t->userspace_time, USEC_PER_MSEC));
508 strpcpyf(&ptr, size, "= %s", format_timespan(ts, sizeof(ts), t->firmware_time + t->finish_time, USEC_PER_MSEC));
509
510 ptr = strdup(buf);
511 if (!ptr)
512 return log_oom();
513
514 *_buf = ptr;
515 return 0;
516 }
517
518 static void svg_graph_box(double height, double begin, double end) {
519 long long i;
520
521 /* outside box, fill */
522 svg("<rect class=\"box\" x=\"0\" y=\"0\" width=\"%.03f\" height=\"%.03f\" />\n",
523 SCALE_X * (end - begin), SCALE_Y * height);
524
525 for (i = ((long long) (begin / 100000)) * 100000; i <= end; i+=100000) {
526 /* lines for each second */
527 if (i % 5000000 == 0)
528 svg(" <line class=\"sec5\" x1=\"%.03f\" y1=\"0\" x2=\"%.03f\" y2=\"%.03f\" />\n"
529 " <text class=\"sec\" x=\"%.03f\" y=\"%.03f\" >%.01fs</text>\n",
530 SCALE_X * i, SCALE_X * i, SCALE_Y * height, SCALE_X * i, -5.0, 0.000001 * i);
531 else if (i % 1000000 == 0)
532 svg(" <line class=\"sec1\" x1=\"%.03f\" y1=\"0\" x2=\"%.03f\" y2=\"%.03f\" />\n"
533 " <text class=\"sec\" x=\"%.03f\" y=\"%.03f\" >%.01fs</text>\n",
534 SCALE_X * i, SCALE_X * i, SCALE_Y * height, SCALE_X * i, -5.0, 0.000001 * i);
535 else
536 svg(" <line class=\"sec01\" x1=\"%.03f\" y1=\"0\" x2=\"%.03f\" y2=\"%.03f\" />\n",
537 SCALE_X * i, SCALE_X * i, SCALE_Y * height);
538 }
539 }
540
541 static int analyze_plot(sd_bus *bus) {
542 struct unit_times *times;
543 struct boot_times *boot;
544 _cleanup_host_info_ struct host_info *host = NULL;
545 int n, m = 1, y=0;
546 double width;
547 _cleanup_free_ char *pretty_times = NULL;
548 struct unit_times *u;
549
550 n = acquire_boot_times(bus, &boot);
551 if (n < 0)
552 return n;
553
554 n = pretty_boot_time(bus, &pretty_times);
555 if (n < 0)
556 return n;
557
558 n = acquire_host_info(bus, &host);
559 if (n < 0)
560 return n;
561
562 n = acquire_time_data(bus, &times);
563 if (n <= 0)
564 return n;
565
566 qsort(times, n, sizeof(struct unit_times), compare_unit_start);
567
568 width = SCALE_X * (boot->firmware_time + boot->finish_time);
569 if (width < 800.0)
570 width = 800.0;
571
572 if (boot->firmware_time > boot->loader_time)
573 m++;
574 if (boot->loader_time) {
575 m++;
576 if (width < 1000.0)
577 width = 1000.0;
578 }
579 if (boot->initrd_time)
580 m++;
581 if (boot->kernel_time)
582 m++;
583
584 for (u = times; u < times + n; u++) {
585 double text_start, text_width;
586
587 if (u->activating < boot->userspace_time ||
588 u->activating > boot->finish_time) {
589 u->name = mfree(u->name);
590 continue;
591 }
592
593 /* If the text cannot fit on the left side then
594 * increase the svg width so it fits on the right.
595 * TODO: calculate the text width more accurately */
596 text_width = 8.0 * strlen(u->name);
597 text_start = (boot->firmware_time + u->activating) * SCALE_X;
598 if (text_width > text_start && text_width + text_start > width)
599 width = text_width + text_start;
600
601 if (u->deactivated > u->activating && u->deactivated <= boot->finish_time
602 && u->activated == 0 && u->deactivating == 0)
603 u->activated = u->deactivating = u->deactivated;
604 if (u->activated < u->activating || u->activated > boot->finish_time)
605 u->activated = boot->finish_time;
606 if (u->deactivating < u->activated || u->activated > boot->finish_time)
607 u->deactivating = boot->finish_time;
608 if (u->deactivated < u->deactivating || u->deactivated > boot->finish_time)
609 u->deactivated = boot->finish_time;
610 m++;
611 }
612
613 svg("<?xml version=\"1.0\" standalone=\"no\"?>\n"
614 "<!DOCTYPE svg PUBLIC \"-//W3C//DTD SVG 1.1//EN\" "
615 "\"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd\">\n");
616
617 svg("<svg width=\"%.0fpx\" height=\"%.0fpx\" version=\"1.1\" "
618 "xmlns=\"http://www.w3.org/2000/svg\">\n\n",
619 80.0 + width, 150.0 + (m * SCALE_Y) +
620 5 * SCALE_Y /* legend */);
621
622 /* write some basic info as a comment, including some help */
623 svg("<!-- This file is a systemd-analyze SVG file. It is best rendered in a -->\n"
624 "<!-- browser such as Chrome, Chromium or Firefox. Other applications -->\n"
625 "<!-- that render these files properly but much slower are ImageMagick, -->\n"
626 "<!-- gimp, inkscape, etc. To display the files on your system, just -->\n"
627 "<!-- point your browser to this file. -->\n\n"
628 "<!-- This plot was generated by systemd-analyze version %-16.16s -->\n\n", VERSION);
629
630 /* style sheet */
631 svg("<defs>\n <style type=\"text/css\">\n <![CDATA[\n"
632 " rect { stroke-width: 1; stroke-opacity: 0; }\n"
633 " rect.background { fill: rgb(255,255,255); }\n"
634 " rect.activating { fill: rgb(255,0,0); fill-opacity: 0.7; }\n"
635 " rect.active { fill: rgb(200,150,150); fill-opacity: 0.7; }\n"
636 " rect.deactivating { fill: rgb(150,100,100); fill-opacity: 0.7; }\n"
637 " rect.kernel { fill: rgb(150,150,150); fill-opacity: 0.7; }\n"
638 " rect.initrd { fill: rgb(150,150,150); fill-opacity: 0.7; }\n"
639 " rect.firmware { fill: rgb(150,150,150); fill-opacity: 0.7; }\n"
640 " rect.loader { fill: rgb(150,150,150); fill-opacity: 0.7; }\n"
641 " rect.userspace { fill: rgb(150,150,150); fill-opacity: 0.7; }\n"
642 " rect.security { fill: rgb(144,238,144); fill-opacity: 0.7; }\n"
643 " rect.generators { fill: rgb(102,204,255); fill-opacity: 0.7; }\n"
644 " rect.unitsload { fill: rgb( 82,184,255); fill-opacity: 0.7; }\n"
645 " rect.box { fill: rgb(240,240,240); stroke: rgb(192,192,192); }\n"
646 " line { stroke: rgb(64,64,64); stroke-width: 1; }\n"
647 "// line.sec1 { }\n"
648 " line.sec5 { stroke-width: 2; }\n"
649 " line.sec01 { stroke: rgb(224,224,224); stroke-width: 1; }\n"
650 " text { font-family: Verdana, Helvetica; font-size: 14px; }\n"
651 " text.left { font-family: Verdana, Helvetica; font-size: 14px; text-anchor: start; }\n"
652 " text.right { font-family: Verdana, Helvetica; font-size: 14px; text-anchor: end; }\n"
653 " text.sec { font-size: 10px; }\n"
654 " ]]>\n </style>\n</defs>\n\n");
655
656 svg("<rect class=\"background\" width=\"100%%\" height=\"100%%\" />\n");
657 svg("<text x=\"20\" y=\"50\">%s</text>", pretty_times);
658 svg("<text x=\"20\" y=\"30\">%s %s (%s %s %s) %s %s</text>",
659 isempty(host->os_pretty_name) ? "Linux" : host->os_pretty_name,
660 isempty(host->hostname) ? "" : host->hostname,
661 isempty(host->kernel_name) ? "" : host->kernel_name,
662 isempty(host->kernel_release) ? "" : host->kernel_release,
663 isempty(host->kernel_version) ? "" : host->kernel_version,
664 isempty(host->architecture) ? "" : host->architecture,
665 isempty(host->virtualization) ? "" : host->virtualization);
666
667 svg("<g transform=\"translate(%.3f,100)\">\n", 20.0 + (SCALE_X * boot->firmware_time));
668 svg_graph_box(m, -(double) boot->firmware_time, boot->finish_time);
669
670 if (boot->firmware_time) {
671 svg_bar("firmware", -(double) boot->firmware_time, -(double) boot->loader_time, y);
672 svg_text(true, -(double) boot->firmware_time, y, "firmware");
673 y++;
674 }
675 if (boot->loader_time) {
676 svg_bar("loader", -(double) boot->loader_time, 0, y);
677 svg_text(true, -(double) boot->loader_time, y, "loader");
678 y++;
679 }
680 if (boot->kernel_time) {
681 svg_bar("kernel", 0, boot->kernel_done_time, y);
682 svg_text(true, 0, y, "kernel");
683 y++;
684 }
685 if (boot->initrd_time) {
686 svg_bar("initrd", boot->initrd_time, boot->userspace_time, y);
687 svg_text(true, boot->initrd_time, y, "initrd");
688 y++;
689 }
690 svg_bar("active", boot->userspace_time, boot->finish_time, y);
691 svg_bar("security", boot->security_start_time, boot->security_finish_time, y);
692 svg_bar("generators", boot->generators_start_time, boot->generators_finish_time, y);
693 svg_bar("unitsload", boot->unitsload_start_time, boot->unitsload_finish_time, y);
694 svg_text(true, boot->userspace_time, y, "systemd");
695 y++;
696
697 for (u = times; u < times + n; u++) {
698 char ts[FORMAT_TIMESPAN_MAX];
699 bool b;
700
701 if (!u->name)
702 continue;
703
704 svg_bar("activating", u->activating, u->activated, y);
705 svg_bar("active", u->activated, u->deactivating, y);
706 svg_bar("deactivating", u->deactivating, u->deactivated, y);
707
708 /* place the text on the left if we have passed the half of the svg width */
709 b = u->activating * SCALE_X < width / 2;
710 if (u->time)
711 svg_text(b, u->activating, y, "%s (%s)",
712 u->name, format_timespan(ts, sizeof(ts), u->time, USEC_PER_MSEC));
713 else
714 svg_text(b, u->activating, y, "%s", u->name);
715 y++;
716 }
717
718 svg("</g>\n");
719
720 /* Legend */
721 svg("<g transform=\"translate(20,100)\">\n");
722 y++;
723 svg_bar("activating", 0, 300000, y);
724 svg_text(true, 400000, y, "Activating");
725 y++;
726 svg_bar("active", 0, 300000, y);
727 svg_text(true, 400000, y, "Active");
728 y++;
729 svg_bar("deactivating", 0, 300000, y);
730 svg_text(true, 400000, y, "Deactivating");
731 y++;
732 svg_bar("security", 0, 300000, y);
733 svg_text(true, 400000, y, "Setting up security module");
734 y++;
735 svg_bar("generators", 0, 300000, y);
736 svg_text(true, 400000, y, "Generators");
737 y++;
738 svg_bar("unitsload", 0, 300000, y);
739 svg_text(true, 400000, y, "Loading unit files");
740 y++;
741
742 svg("</g>\n\n");
743
744 svg("</svg>\n");
745
746 free_unit_times(times, (unsigned) n);
747
748 n = 0;
749 return n;
750 }
751
752 static int list_dependencies_print(const char *name, unsigned int level, unsigned int branches,
753 bool last, struct unit_times *times, struct boot_times *boot) {
754 unsigned int i;
755 char ts[FORMAT_TIMESPAN_MAX], ts2[FORMAT_TIMESPAN_MAX];
756
757 for (i = level; i != 0; i--)
758 printf("%s", draw_special_char(branches & (1 << (i-1)) ? DRAW_TREE_VERTICAL : DRAW_TREE_SPACE));
759
760 printf("%s", draw_special_char(last ? DRAW_TREE_RIGHT : DRAW_TREE_BRANCH));
761
762 if (times) {
763 if (times->time)
764 printf("%s%s @%s +%s%s", ANSI_HIGHLIGHT_RED, name,
765 format_timespan(ts, sizeof(ts), times->activating - boot->userspace_time, USEC_PER_MSEC),
766 format_timespan(ts2, sizeof(ts2), times->time, USEC_PER_MSEC), ANSI_NORMAL);
767 else if (times->activated > boot->userspace_time)
768 printf("%s @%s", name, format_timespan(ts, sizeof(ts), times->activated - boot->userspace_time, USEC_PER_MSEC));
769 else
770 printf("%s", name);
771 } else
772 printf("%s", name);
773 printf("\n");
774
775 return 0;
776 }
777
778 static int list_dependencies_get_dependencies(sd_bus *bus, const char *name, char ***deps) {
779 _cleanup_free_ char *path = NULL;
780
781 assert(bus);
782 assert(name);
783 assert(deps);
784
785 path = unit_dbus_path_from_name(name);
786 if (path == NULL)
787 return -ENOMEM;
788
789 return bus_get_unit_property_strv(bus, path, "After", deps);
790 }
791
792 static Hashmap *unit_times_hashmap;
793
794 static int list_dependencies_compare(const void *_a, const void *_b) {
795 const char **a = (const char**) _a, **b = (const char**) _b;
796 usec_t usa = 0, usb = 0;
797 struct unit_times *times;
798
799 times = hashmap_get(unit_times_hashmap, *a);
800 if (times)
801 usa = times->activated;
802 times = hashmap_get(unit_times_hashmap, *b);
803 if (times)
804 usb = times->activated;
805
806 return usb - usa;
807 }
808
809 static int list_dependencies_one(sd_bus *bus, const char *name, unsigned int level, char ***units,
810 unsigned int branches) {
811 _cleanup_strv_free_ char **deps = NULL;
812 char **c;
813 int r = 0;
814 usec_t service_longest = 0;
815 int to_print = 0;
816 struct unit_times *times;
817 struct boot_times *boot;
818
819 if (strv_extend(units, name))
820 return log_oom();
821
822 r = list_dependencies_get_dependencies(bus, name, &deps);
823 if (r < 0)
824 return r;
825
826 qsort_safe(deps, strv_length(deps), sizeof (char*), list_dependencies_compare);
827
828 r = acquire_boot_times(bus, &boot);
829 if (r < 0)
830 return r;
831
832 STRV_FOREACH(c, deps) {
833 times = hashmap_get(unit_times_hashmap, *c);
834 if (times
835 && times->activated
836 && times->activated <= boot->finish_time
837 && (times->activated >= service_longest
838 || service_longest == 0)) {
839 service_longest = times->activated;
840 break;
841 }
842 }
843
844 if (service_longest == 0 )
845 return r;
846
847 STRV_FOREACH(c, deps) {
848 times = hashmap_get(unit_times_hashmap, *c);
849 if (times && times->activated && times->activated <= boot->finish_time && (service_longest - times->activated) <= arg_fuzz)
850 to_print++;
851 }
852
853 if (!to_print)
854 return r;
855
856 STRV_FOREACH(c, deps) {
857 times = hashmap_get(unit_times_hashmap, *c);
858 if (!times
859 || !times->activated
860 || times->activated > boot->finish_time
861 || service_longest - times->activated > arg_fuzz)
862 continue;
863
864 to_print--;
865
866 r = list_dependencies_print(*c, level, branches, to_print == 0, times, boot);
867 if (r < 0)
868 return r;
869
870 if (strv_contains(*units, *c)) {
871 r = list_dependencies_print("...", level + 1, (branches << 1) | (to_print ? 1 : 0),
872 true, NULL, boot);
873 if (r < 0)
874 return r;
875 continue;
876 }
877
878 r = list_dependencies_one(bus, *c, level + 1, units,
879 (branches << 1) | (to_print ? 1 : 0));
880 if (r < 0)
881 return r;
882
883 if (!to_print)
884 break;
885 }
886 return 0;
887 }
888
889 static int list_dependencies(sd_bus *bus, const char *name) {
890 _cleanup_strv_free_ char **units = NULL;
891 char ts[FORMAT_TIMESPAN_MAX];
892 struct unit_times *times;
893 int r;
894 const char *id;
895 _cleanup_free_ char *path = NULL;
896 _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
897 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
898 struct boot_times *boot;
899
900 assert(bus);
901
902 path = unit_dbus_path_from_name(name);
903 if (path == NULL)
904 return -ENOMEM;
905
906 r = sd_bus_get_property(
907 bus,
908 "org.freedesktop.systemd1",
909 path,
910 "org.freedesktop.systemd1.Unit",
911 "Id",
912 &error,
913 &reply,
914 "s");
915 if (r < 0) {
916 log_error("Failed to get ID: %s", bus_error_message(&error, -r));
917 return r;
918 }
919
920 r = sd_bus_message_read(reply, "s", &id);
921 if (r < 0)
922 return bus_log_parse_error(r);
923
924 times = hashmap_get(unit_times_hashmap, id);
925
926 r = acquire_boot_times(bus, &boot);
927 if (r < 0)
928 return r;
929
930 if (times) {
931 if (times->time)
932 printf("%s%s +%s%s\n", ANSI_HIGHLIGHT_RED, id,
933 format_timespan(ts, sizeof(ts), times->time, USEC_PER_MSEC), ANSI_NORMAL);
934 else if (times->activated > boot->userspace_time)
935 printf("%s @%s\n", id, format_timespan(ts, sizeof(ts), times->activated - boot->userspace_time, USEC_PER_MSEC));
936 else
937 printf("%s\n", id);
938 }
939
940 return list_dependencies_one(bus, name, 0, &units, 0);
941 }
942
943 static int analyze_critical_chain(sd_bus *bus, char *names[]) {
944 struct unit_times *times;
945 unsigned int i;
946 Hashmap *h;
947 int n, r;
948
949 n = acquire_time_data(bus, &times);
950 if (n <= 0)
951 return n;
952
953 h = hashmap_new(&string_hash_ops);
954 if (!h)
955 return -ENOMEM;
956
957 for (i = 0; i < (unsigned)n; i++) {
958 r = hashmap_put(h, times[i].name, &times[i]);
959 if (r < 0)
960 return r;
961 }
962 unit_times_hashmap = h;
963
964 pager_open_if_enabled();
965
966 puts("The time after the unit is active or started is printed after the \"@\" character.\n"
967 "The time the unit takes to start is printed after the \"+\" character.\n");
968
969 if (!strv_isempty(names)) {
970 char **name;
971 STRV_FOREACH(name, names)
972 list_dependencies(bus, *name);
973 } else
974 list_dependencies(bus, SPECIAL_DEFAULT_TARGET);
975
976 hashmap_free(h);
977 free_unit_times(times, (unsigned) n);
978 return 0;
979 }
980
981 static int analyze_blame(sd_bus *bus) {
982 struct unit_times *times;
983 unsigned i;
984 int n;
985
986 n = acquire_time_data(bus, &times);
987 if (n <= 0)
988 return n;
989
990 qsort(times, n, sizeof(struct unit_times), compare_unit_time);
991
992 pager_open_if_enabled();
993
994 for (i = 0; i < (unsigned) n; i++) {
995 char ts[FORMAT_TIMESPAN_MAX];
996
997 if (times[i].time > 0)
998 printf("%16s %s\n", format_timespan(ts, sizeof(ts), times[i].time, USEC_PER_MSEC), times[i].name);
999 }
1000
1001 free_unit_times(times, (unsigned) n);
1002 return 0;
1003 }
1004
1005 static int analyze_time(sd_bus *bus) {
1006 _cleanup_free_ char *buf = NULL;
1007 int r;
1008
1009 r = pretty_boot_time(bus, &buf);
1010 if (r < 0)
1011 return r;
1012
1013 puts(buf);
1014 return 0;
1015 }
1016
1017 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[]) {
1018 _cleanup_strv_free_ char **units = NULL;
1019 char **unit;
1020 int r;
1021 bool match_patterns;
1022
1023 assert(u);
1024 assert(prop);
1025 assert(color);
1026
1027 match_patterns = strv_fnmatch(patterns, u->id, 0);
1028
1029 if (!strv_isempty(from_patterns) &&
1030 !match_patterns &&
1031 !strv_fnmatch(from_patterns, u->id, 0))
1032 return 0;
1033
1034 r = bus_get_unit_property_strv(bus, u->unit_path, prop, &units);
1035 if (r < 0)
1036 return r;
1037
1038 STRV_FOREACH(unit, units) {
1039 bool match_patterns2;
1040
1041 match_patterns2 = strv_fnmatch(patterns, *unit, 0);
1042
1043 if (!strv_isempty(to_patterns) &&
1044 !match_patterns2 &&
1045 !strv_fnmatch(to_patterns, *unit, 0))
1046 continue;
1047
1048 if (!strv_isempty(patterns) && !match_patterns && !match_patterns2)
1049 continue;
1050
1051 printf("\t\"%s\"->\"%s\" [color=\"%s\"];\n", u->id, *unit, color);
1052 }
1053
1054 return 0;
1055 }
1056
1057 static int graph_one(sd_bus *bus, const UnitInfo *u, char *patterns[], char *from_patterns[], char *to_patterns[]) {
1058 int r;
1059
1060 assert(bus);
1061 assert(u);
1062
1063 if (arg_dot == DEP_ORDER ||arg_dot == DEP_ALL) {
1064 r = graph_one_property(bus, u, "After", "green", patterns, from_patterns, to_patterns);
1065 if (r < 0)
1066 return r;
1067 }
1068
1069 if (arg_dot == DEP_REQUIRE ||arg_dot == DEP_ALL) {
1070 r = graph_one_property(bus, u, "Requires", "black", patterns, from_patterns, to_patterns);
1071 if (r < 0)
1072 return r;
1073 r = graph_one_property(bus, u, "RequiresOverridable", "black", patterns, from_patterns, to_patterns);
1074 if (r < 0)
1075 return r;
1076 r = graph_one_property(bus, u, "RequisiteOverridable", "darkblue", patterns, from_patterns, to_patterns);
1077 if (r < 0)
1078 return r;
1079 r = graph_one_property(bus, u, "Wants", "grey66", patterns, from_patterns, to_patterns);
1080 if (r < 0)
1081 return r;
1082 r = graph_one_property(bus, u, "Conflicts", "red", patterns, from_patterns, to_patterns);
1083 if (r < 0)
1084 return r;
1085 r = graph_one_property(bus, u, "ConflictedBy", "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 }
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