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Merge pull request #9246 from keszybz/ellipsize-invalid-mem-ref
[thirdparty/systemd.git] / src / analyze / analyze.c
1 /* SPDX-License-Identifier: LGPL-2.1+ */
2 /***
3 This file is part of systemd.
4
5 Copyright 2010-2013 Lennart Poettering
6 Copyright 2013 Simon Peeters
7 ***/
8
9 #include <getopt.h>
10 #include <locale.h>
11 #include <stdio.h>
12 #include <stdlib.h>
13
14 #include "sd-bus.h"
15
16 #include "alloc-util.h"
17 #include "analyze-verify.h"
18 #include "bus-error.h"
19 #include "bus-unit-util.h"
20 #include "bus-util.h"
21 #include "calendarspec.h"
22 #include "def.h"
23 #include "conf-files.h"
24 #include "copy.h"
25 #include "fd-util.h"
26 #include "glob-util.h"
27 #include "hashmap.h"
28 #include "locale-util.h"
29 #include "log.h"
30 #include "pager.h"
31 #include "parse-util.h"
32 #include "path-util.h"
33 #if HAVE_SECCOMP
34 #include "seccomp-util.h"
35 #endif
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 #include "verbs.h"
43
44 #define SCALE_X (0.1 / 1000.0) /* pixels per us */
45 #define SCALE_Y (20.0)
46
47 #define compare(a, b) (((a) > (b))? 1 : (((b) > (a))? -1 : 0))
48
49 #define svg(...) printf(__VA_ARGS__)
50
51 #define svg_bar(class, x1, x2, y) \
52 svg(" <rect class=\"%s\" x=\"%.03f\" y=\"%.03f\" width=\"%.03f\" height=\"%.03f\" />\n", \
53 (class), \
54 SCALE_X * (x1), SCALE_Y * (y), \
55 SCALE_X * ((x2) - (x1)), SCALE_Y - 1.0)
56
57 #define svg_text(b, x, y, format, ...) \
58 do { \
59 svg(" <text class=\"%s\" x=\"%.03f\" y=\"%.03f\">", (b) ? "left" : "right", SCALE_X * (x) + (b ? 5.0 : -5.0), SCALE_Y * (y) + 14.0); \
60 svg(format, ## __VA_ARGS__); \
61 svg("</text>\n"); \
62 } while (false)
63
64 static enum dot {
65 DEP_ALL,
66 DEP_ORDER,
67 DEP_REQUIRE
68 } arg_dot = DEP_ALL;
69 static char** arg_dot_from_patterns = NULL;
70 static char** arg_dot_to_patterns = NULL;
71 static usec_t arg_fuzz = 0;
72 static bool arg_no_pager = false;
73 static BusTransport arg_transport = BUS_TRANSPORT_LOCAL;
74 static const char *arg_host = NULL;
75 static UnitFileScope arg_scope = UNIT_FILE_SYSTEM;
76 static bool arg_man = true;
77 static bool arg_generators = false;
78 static const char *arg_root = NULL;
79
80 struct boot_times {
81 usec_t firmware_time;
82 usec_t loader_time;
83 usec_t kernel_time;
84 usec_t kernel_done_time;
85 usec_t initrd_time;
86 usec_t userspace_time;
87 usec_t finish_time;
88 usec_t security_start_time;
89 usec_t security_finish_time;
90 usec_t generators_start_time;
91 usec_t generators_finish_time;
92 usec_t unitsload_start_time;
93 usec_t unitsload_finish_time;
94
95 /*
96 * If we're analyzing the user instance, all timestamps will be offset
97 * by its own start-up timestamp, which may be arbitrarily big.
98 * With "plot", this causes arbitrarily wide output SVG files which almost
99 * completely consist of empty space. Thus we cancel out this offset.
100 *
101 * This offset is subtracted from times above by acquire_boot_times(),
102 * but it still needs to be subtracted from unit-specific timestamps
103 * (so it is stored here for reference).
104 */
105 usec_t reverse_offset;
106 };
107
108 struct unit_times {
109 bool has_data;
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 int acquire_bus(sd_bus **bus, bool *use_full_bus) {
129 bool user = arg_scope != UNIT_FILE_SYSTEM;
130 int r;
131
132 if (use_full_bus && *use_full_bus) {
133 r = bus_connect_transport(arg_transport, arg_host, user, bus);
134 if (IN_SET(r, 0, -EHOSTDOWN))
135 return r;
136
137 *use_full_bus = false;
138 }
139
140 return bus_connect_transport_systemd(arg_transport, arg_host, user, bus);
141 }
142
143 static int bus_get_uint64_property(sd_bus *bus, const char *path, const char *interface, const char *property, uint64_t *val) {
144 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
145 int r;
146
147 assert(bus);
148 assert(path);
149 assert(interface);
150 assert(property);
151 assert(val);
152
153 r = sd_bus_get_property_trivial(
154 bus,
155 "org.freedesktop.systemd1",
156 path,
157 interface,
158 property,
159 &error,
160 't', val);
161
162 if (r < 0) {
163 log_error("Failed to parse reply: %s", bus_error_message(&error, -r));
164 return r;
165 }
166
167 return 0;
168 }
169
170 static int bus_get_unit_property_strv(sd_bus *bus, const char *path, const char *property, char ***strv) {
171 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
172 int r;
173
174 assert(bus);
175 assert(path);
176 assert(property);
177 assert(strv);
178
179 r = sd_bus_get_property_strv(
180 bus,
181 "org.freedesktop.systemd1",
182 path,
183 "org.freedesktop.systemd1.Unit",
184 property,
185 &error,
186 strv);
187 if (r < 0) {
188 log_error("Failed to get unit property %s: %s", property, bus_error_message(&error, -r));
189 return r;
190 }
191
192 return 0;
193 }
194
195 static int compare_unit_time(const void *a, const void *b) {
196 return compare(((struct unit_times *)b)->time,
197 ((struct unit_times *)a)->time);
198 }
199
200 static int compare_unit_start(const void *a, const void *b) {
201 return compare(((struct unit_times *)a)->activating,
202 ((struct unit_times *)b)->activating);
203 }
204
205 static void unit_times_free(struct unit_times *t) {
206 struct unit_times *p;
207
208 for (p = t; p->has_data; p++)
209 free(p->name);
210 free(t);
211 }
212
213 DEFINE_TRIVIAL_CLEANUP_FUNC(struct unit_times *, unit_times_free);
214
215 static void subtract_timestamp(usec_t *a, usec_t b) {
216 assert(a);
217
218 if (*a > 0) {
219 assert(*a >= b);
220 *a -= b;
221 }
222 }
223
224 static int acquire_boot_times(sd_bus *bus, struct boot_times **bt) {
225 static struct boot_times times;
226 static bool cached = false;
227
228 if (cached)
229 goto finish;
230
231 assert_cc(sizeof(usec_t) == sizeof(uint64_t));
232
233 if (bus_get_uint64_property(bus,
234 "/org/freedesktop/systemd1",
235 "org.freedesktop.systemd1.Manager",
236 "FirmwareTimestampMonotonic",
237 &times.firmware_time) < 0 ||
238 bus_get_uint64_property(bus,
239 "/org/freedesktop/systemd1",
240 "org.freedesktop.systemd1.Manager",
241 "LoaderTimestampMonotonic",
242 &times.loader_time) < 0 ||
243 bus_get_uint64_property(bus,
244 "/org/freedesktop/systemd1",
245 "org.freedesktop.systemd1.Manager",
246 "KernelTimestamp",
247 &times.kernel_time) < 0 ||
248 bus_get_uint64_property(bus,
249 "/org/freedesktop/systemd1",
250 "org.freedesktop.systemd1.Manager",
251 "InitRDTimestampMonotonic",
252 &times.initrd_time) < 0 ||
253 bus_get_uint64_property(bus,
254 "/org/freedesktop/systemd1",
255 "org.freedesktop.systemd1.Manager",
256 "UserspaceTimestampMonotonic",
257 &times.userspace_time) < 0 ||
258 bus_get_uint64_property(bus,
259 "/org/freedesktop/systemd1",
260 "org.freedesktop.systemd1.Manager",
261 "FinishTimestampMonotonic",
262 &times.finish_time) < 0 ||
263 bus_get_uint64_property(bus,
264 "/org/freedesktop/systemd1",
265 "org.freedesktop.systemd1.Manager",
266 "SecurityStartTimestampMonotonic",
267 &times.security_start_time) < 0 ||
268 bus_get_uint64_property(bus,
269 "/org/freedesktop/systemd1",
270 "org.freedesktop.systemd1.Manager",
271 "SecurityFinishTimestampMonotonic",
272 &times.security_finish_time) < 0 ||
273 bus_get_uint64_property(bus,
274 "/org/freedesktop/systemd1",
275 "org.freedesktop.systemd1.Manager",
276 "GeneratorsStartTimestampMonotonic",
277 &times.generators_start_time) < 0 ||
278 bus_get_uint64_property(bus,
279 "/org/freedesktop/systemd1",
280 "org.freedesktop.systemd1.Manager",
281 "GeneratorsFinishTimestampMonotonic",
282 &times.generators_finish_time) < 0 ||
283 bus_get_uint64_property(bus,
284 "/org/freedesktop/systemd1",
285 "org.freedesktop.systemd1.Manager",
286 "UnitsLoadStartTimestampMonotonic",
287 &times.unitsload_start_time) < 0 ||
288 bus_get_uint64_property(bus,
289 "/org/freedesktop/systemd1",
290 "org.freedesktop.systemd1.Manager",
291 "UnitsLoadFinishTimestampMonotonic",
292 &times.unitsload_finish_time) < 0)
293 return -EIO;
294
295 if (times.finish_time <= 0) {
296 log_error("Bootup is not yet finished (org.freedesktop.systemd1.Manager.FinishTimestampMonotonic=%"PRIu64").\n"
297 "Please try again later.\n"
298 "Hint: Use 'systemctl%s list-jobs' to see active jobs",
299 times.finish_time,
300 arg_scope == UNIT_FILE_SYSTEM ? "" : " --user");
301 return -EINPROGRESS;
302 }
303
304 if (arg_scope == UNIT_FILE_SYSTEM) {
305 if (times.initrd_time > 0)
306 times.kernel_done_time = times.initrd_time;
307 else
308 times.kernel_done_time = times.userspace_time;
309 } else {
310 /*
311 * User-instance-specific timestamps processing
312 * (see comment to reverse_offset in struct boot_times).
313 */
314 times.reverse_offset = times.userspace_time;
315
316 times.firmware_time = times.loader_time = times.kernel_time = times.initrd_time = times.userspace_time = 0;
317 subtract_timestamp(&times.finish_time, times.reverse_offset);
318
319 subtract_timestamp(&times.security_start_time, times.reverse_offset);
320 subtract_timestamp(&times.security_finish_time, times.reverse_offset);
321
322 subtract_timestamp(&times.generators_start_time, times.reverse_offset);
323 subtract_timestamp(&times.generators_finish_time, times.reverse_offset);
324
325 subtract_timestamp(&times.unitsload_start_time, times.reverse_offset);
326 subtract_timestamp(&times.unitsload_finish_time, times.reverse_offset);
327 }
328
329 cached = true;
330
331 finish:
332 *bt = &times;
333 return 0;
334 }
335
336 static void free_host_info(struct host_info *hi) {
337
338 if (!hi)
339 return;
340
341 free(hi->hostname);
342 free(hi->kernel_name);
343 free(hi->kernel_release);
344 free(hi->kernel_version);
345 free(hi->os_pretty_name);
346 free(hi->virtualization);
347 free(hi->architecture);
348 free(hi);
349 }
350
351 DEFINE_TRIVIAL_CLEANUP_FUNC(struct host_info*, free_host_info);
352
353 static int acquire_time_data(sd_bus *bus, struct unit_times **out) {
354 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
355 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
356 int r, c = 0;
357 struct boot_times *boot_times = NULL;
358 _cleanup_(unit_times_freep) struct unit_times *unit_times = NULL;
359 size_t size = 0;
360 UnitInfo u;
361
362 r = acquire_boot_times(bus, &boot_times);
363 if (r < 0)
364 return r;
365
366 r = sd_bus_call_method(
367 bus,
368 "org.freedesktop.systemd1",
369 "/org/freedesktop/systemd1",
370 "org.freedesktop.systemd1.Manager",
371 "ListUnits",
372 &error, &reply,
373 NULL);
374 if (r < 0) {
375 log_error("Failed to list units: %s", bus_error_message(&error, -r));
376 return r;
377 }
378
379 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssssssouso)");
380 if (r < 0)
381 return bus_log_parse_error(r);
382
383 while ((r = bus_parse_unit_info(reply, &u)) > 0) {
384 struct unit_times *t;
385
386 if (!GREEDY_REALLOC(unit_times, size, c+2))
387 return log_oom();
388
389 unit_times[c+1].has_data = false;
390 t = &unit_times[c];
391 t->name = NULL;
392
393 assert_cc(sizeof(usec_t) == sizeof(uint64_t));
394
395 if (bus_get_uint64_property(bus, u.unit_path,
396 "org.freedesktop.systemd1.Unit",
397 "InactiveExitTimestampMonotonic",
398 &t->activating) < 0 ||
399 bus_get_uint64_property(bus, u.unit_path,
400 "org.freedesktop.systemd1.Unit",
401 "ActiveEnterTimestampMonotonic",
402 &t->activated) < 0 ||
403 bus_get_uint64_property(bus, u.unit_path,
404 "org.freedesktop.systemd1.Unit",
405 "ActiveExitTimestampMonotonic",
406 &t->deactivating) < 0 ||
407 bus_get_uint64_property(bus, u.unit_path,
408 "org.freedesktop.systemd1.Unit",
409 "InactiveEnterTimestampMonotonic",
410 &t->deactivated) < 0)
411 return -EIO;
412
413 subtract_timestamp(&t->activating, boot_times->reverse_offset);
414 subtract_timestamp(&t->activated, boot_times->reverse_offset);
415 subtract_timestamp(&t->deactivating, boot_times->reverse_offset);
416 subtract_timestamp(&t->deactivated, boot_times->reverse_offset);
417
418 if (t->activated >= t->activating)
419 t->time = t->activated - t->activating;
420 else if (t->deactivated >= t->activating)
421 t->time = t->deactivated - t->activating;
422 else
423 t->time = 0;
424
425 if (t->activating == 0)
426 continue;
427
428 t->name = strdup(u.id);
429 if (!t->name)
430 return log_oom();
431
432 t->has_data = true;
433 c++;
434 }
435 if (r < 0)
436 return bus_log_parse_error(r);
437
438 *out = TAKE_PTR(unit_times);
439 return c;
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_(sd_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 BUS_MAP_STRDUP,
471 &error,
472 NULL,
473 host);
474 if (r < 0)
475 log_debug_errno(r, "Failed to get host information from systemd-hostnamed: %s", bus_error_message(&error, r));
476
477 r = bus_map_all_properties(bus,
478 "org.freedesktop.systemd1",
479 "/org/freedesktop/systemd1",
480 manager_map,
481 BUS_MAP_STRDUP,
482 &error,
483 NULL,
484 host);
485 if (r < 0)
486 return log_error_errno(r, "Failed to get host information from systemd: %s", bus_error_message(&error, r));
487
488 *hi = TAKE_PTR(host);
489
490 return 0;
491 }
492
493 static int pretty_boot_time(sd_bus *bus, char **_buf) {
494 char ts[FORMAT_TIMESPAN_MAX];
495 struct boot_times *t;
496 static char buf[4096];
497 size_t size;
498 char *ptr;
499 int r;
500 usec_t activated_time = USEC_INFINITY;
501 _cleanup_free_ char* path = NULL, *unit_id = NULL;
502 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
503
504 r = acquire_boot_times(bus, &t);
505 if (r < 0)
506 return r;
507
508 path = unit_dbus_path_from_name(SPECIAL_DEFAULT_TARGET);
509 if (!path)
510 return log_oom();
511
512 r = sd_bus_get_property_string(
513 bus,
514 "org.freedesktop.systemd1",
515 path,
516 "org.freedesktop.systemd1.Unit",
517 "Id",
518 &error,
519 &unit_id);
520 if (r < 0) {
521 log_error_errno(r, "default.target doesn't seem to exist: %s", bus_error_message(&error, r));
522 unit_id = NULL;
523 }
524
525 r = bus_get_uint64_property(bus, path,
526 "org.freedesktop.systemd1.Unit",
527 "ActiveEnterTimestampMonotonic",
528 &activated_time);
529 if (r < 0) {
530 log_info_errno(r, "Could not get time to reach default.target. Continuing...");
531 activated_time = USEC_INFINITY;
532 }
533
534 ptr = buf;
535 size = sizeof(buf);
536
537 size = strpcpyf(&ptr, size, "Startup finished in ");
538 if (t->firmware_time > 0)
539 size = strpcpyf(&ptr, size, "%s (firmware) + ", format_timespan(ts, sizeof(ts), t->firmware_time - t->loader_time, USEC_PER_MSEC));
540 if (t->loader_time > 0)
541 size = strpcpyf(&ptr, size, "%s (loader) + ", format_timespan(ts, sizeof(ts), t->loader_time, USEC_PER_MSEC));
542 if (t->kernel_time > 0)
543 size = strpcpyf(&ptr, size, "%s (kernel) + ", format_timespan(ts, sizeof(ts), t->kernel_done_time, USEC_PER_MSEC));
544 if (t->initrd_time > 0)
545 size = strpcpyf(&ptr, size, "%s (initrd) + ", format_timespan(ts, sizeof(ts), t->userspace_time - t->initrd_time, USEC_PER_MSEC));
546
547 size = strpcpyf(&ptr, size, "%s (userspace) ", format_timespan(ts, sizeof(ts), t->finish_time - t->userspace_time, USEC_PER_MSEC));
548 if (t->kernel_time > 0)
549 strpcpyf(&ptr, size, "= %s", format_timespan(ts, sizeof(ts), t->firmware_time + t->finish_time, USEC_PER_MSEC));
550
551 if (unit_id && activated_time > 0 && activated_time != USEC_INFINITY)
552 size = strpcpyf(&ptr, size, "\n%s reached after %s in userspace", unit_id, format_timespan(ts, sizeof(ts), activated_time - t->userspace_time, USEC_PER_MSEC));
553 else if (unit_id && activated_time == 0)
554 size = strpcpyf(&ptr, size, "\n%s was never reached", unit_id);
555 else if (unit_id && activated_time == USEC_INFINITY)
556 size = strpcpyf(&ptr, size, "\nCould not get time to reach %s.",unit_id);
557 else if (!unit_id)
558 size = strpcpyf(&ptr, size, "\ncould not find default.target");
559
560 ptr = strdup(buf);
561 if (!ptr)
562 return log_oom();
563
564 *_buf = ptr;
565 return 0;
566 }
567
568 static void svg_graph_box(double height, double begin, double end) {
569 long long i;
570
571 /* outside box, fill */
572 svg("<rect class=\"box\" x=\"0\" y=\"0\" width=\"%.03f\" height=\"%.03f\" />\n",
573 SCALE_X * (end - begin), SCALE_Y * height);
574
575 for (i = ((long long) (begin / 100000)) * 100000; i <= end; i+=100000) {
576 /* lines for each second */
577 if (i % 5000000 == 0)
578 svg(" <line class=\"sec5\" x1=\"%.03f\" y1=\"0\" x2=\"%.03f\" y2=\"%.03f\" />\n"
579 " <text class=\"sec\" x=\"%.03f\" y=\"%.03f\" >%.01fs</text>\n",
580 SCALE_X * i, SCALE_X * i, SCALE_Y * height, SCALE_X * i, -5.0, 0.000001 * i);
581 else if (i % 1000000 == 0)
582 svg(" <line class=\"sec1\" x1=\"%.03f\" y1=\"0\" x2=\"%.03f\" y2=\"%.03f\" />\n"
583 " <text class=\"sec\" x=\"%.03f\" y=\"%.03f\" >%.01fs</text>\n",
584 SCALE_X * i, SCALE_X * i, SCALE_Y * height, SCALE_X * i, -5.0, 0.000001 * i);
585 else
586 svg(" <line class=\"sec01\" x1=\"%.03f\" y1=\"0\" x2=\"%.03f\" y2=\"%.03f\" />\n",
587 SCALE_X * i, SCALE_X * i, SCALE_Y * height);
588 }
589 }
590
591 static int analyze_plot(int argc, char *argv[], void *userdata) {
592 _cleanup_(free_host_infop) struct host_info *host = NULL;
593 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
594 _cleanup_(unit_times_freep) struct unit_times *times = NULL;
595 struct boot_times *boot;
596 int n, m = 1, y = 0, r;
597 bool use_full_bus = true;
598 double width;
599 _cleanup_free_ char *pretty_times = NULL;
600 struct unit_times *u;
601
602 r = acquire_bus(&bus, &use_full_bus);
603 if (r < 0)
604 return log_error_errno(r, "Failed to create bus connection: %m");
605
606 n = acquire_boot_times(bus, &boot);
607 if (n < 0)
608 return n;
609
610 n = pretty_boot_time(bus, &pretty_times);
611 if (n < 0)
612 return n;
613
614 if (use_full_bus) {
615 n = acquire_host_info(bus, &host);
616 if (n < 0)
617 return n;
618 }
619
620 n = acquire_time_data(bus, &times);
621 if (n <= 0)
622 return n;
623
624 qsort(times, n, sizeof(struct unit_times), compare_unit_start);
625
626 width = SCALE_X * (boot->firmware_time + boot->finish_time);
627 if (width < 800.0)
628 width = 800.0;
629
630 if (boot->firmware_time > boot->loader_time)
631 m++;
632 if (boot->loader_time > 0) {
633 m++;
634 if (width < 1000.0)
635 width = 1000.0;
636 }
637 if (boot->initrd_time > 0)
638 m++;
639 if (boot->kernel_time > 0)
640 m++;
641
642 for (u = times; u->has_data; u++) {
643 double text_start, text_width;
644
645 if (u->activating < boot->userspace_time ||
646 u->activating > boot->finish_time) {
647 u->name = mfree(u->name);
648 continue;
649 }
650
651 /* If the text cannot fit on the left side then
652 * increase the svg width so it fits on the right.
653 * TODO: calculate the text width more accurately */
654 text_width = 8.0 * strlen(u->name);
655 text_start = (boot->firmware_time + u->activating) * SCALE_X;
656 if (text_width > text_start && text_width + text_start > width)
657 width = text_width + text_start;
658
659 if (u->deactivated > u->activating && u->deactivated <= boot->finish_time
660 && u->activated == 0 && u->deactivating == 0)
661 u->activated = u->deactivating = u->deactivated;
662 if (u->activated < u->activating || u->activated > boot->finish_time)
663 u->activated = boot->finish_time;
664 if (u->deactivating < u->activated || u->activated > boot->finish_time)
665 u->deactivating = boot->finish_time;
666 if (u->deactivated < u->deactivating || u->deactivated > boot->finish_time)
667 u->deactivated = boot->finish_time;
668 m++;
669 }
670
671 svg("<?xml version=\"1.0\" standalone=\"no\"?>\n"
672 "<!DOCTYPE svg PUBLIC \"-//W3C//DTD SVG 1.1//EN\" "
673 "\"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd\">\n");
674
675 svg("<svg width=\"%.0fpx\" height=\"%.0fpx\" version=\"1.1\" "
676 "xmlns=\"http://www.w3.org/2000/svg\">\n\n",
677 80.0 + width, 150.0 + (m * SCALE_Y) +
678 5 * SCALE_Y /* legend */);
679
680 /* write some basic info as a comment, including some help */
681 svg("<!-- This file is a systemd-analyze SVG file. It is best rendered in a -->\n"
682 "<!-- browser such as Chrome, Chromium or Firefox. Other applications -->\n"
683 "<!-- that render these files properly but much slower are ImageMagick, -->\n"
684 "<!-- gimp, inkscape, etc. To display the files on your system, just -->\n"
685 "<!-- point your browser to this file. -->\n\n"
686 "<!-- This plot was generated by systemd-analyze version %-16.16s -->\n\n", PACKAGE_VERSION);
687
688 /* style sheet */
689 svg("<defs>\n <style type=\"text/css\">\n <![CDATA[\n"
690 " rect { stroke-width: 1; stroke-opacity: 0; }\n"
691 " rect.background { fill: rgb(255,255,255); }\n"
692 " rect.activating { fill: rgb(255,0,0); fill-opacity: 0.7; }\n"
693 " rect.active { fill: rgb(200,150,150); fill-opacity: 0.7; }\n"
694 " rect.deactivating { fill: rgb(150,100,100); fill-opacity: 0.7; }\n"
695 " rect.kernel { fill: rgb(150,150,150); fill-opacity: 0.7; }\n"
696 " rect.initrd { fill: rgb(150,150,150); fill-opacity: 0.7; }\n"
697 " rect.firmware { fill: rgb(150,150,150); fill-opacity: 0.7; }\n"
698 " rect.loader { fill: rgb(150,150,150); fill-opacity: 0.7; }\n"
699 " rect.userspace { fill: rgb(150,150,150); fill-opacity: 0.7; }\n"
700 " rect.security { fill: rgb(144,238,144); fill-opacity: 0.7; }\n"
701 " rect.generators { fill: rgb(102,204,255); fill-opacity: 0.7; }\n"
702 " rect.unitsload { fill: rgb( 82,184,255); fill-opacity: 0.7; }\n"
703 " rect.box { fill: rgb(240,240,240); stroke: rgb(192,192,192); }\n"
704 " line { stroke: rgb(64,64,64); stroke-width: 1; }\n"
705 "// line.sec1 { }\n"
706 " line.sec5 { stroke-width: 2; }\n"
707 " line.sec01 { stroke: rgb(224,224,224); stroke-width: 1; }\n"
708 " text { font-family: Verdana, Helvetica; font-size: 14px; }\n"
709 " text.left { font-family: Verdana, Helvetica; font-size: 14px; text-anchor: start; }\n"
710 " text.right { font-family: Verdana, Helvetica; font-size: 14px; text-anchor: end; }\n"
711 " text.sec { font-size: 10px; }\n"
712 " ]]>\n </style>\n</defs>\n\n");
713
714 svg("<rect class=\"background\" width=\"100%%\" height=\"100%%\" />\n");
715 svg("<text x=\"20\" y=\"50\">%s</text>", pretty_times);
716 if (use_full_bus)
717 svg("<text x=\"20\" y=\"30\">%s %s (%s %s %s) %s %s</text>",
718 isempty(host->os_pretty_name) ? "Linux" : host->os_pretty_name,
719 strempty(host->hostname),
720 strempty(host->kernel_name),
721 strempty(host->kernel_release),
722 strempty(host->kernel_version),
723 strempty(host->architecture),
724 strempty(host->virtualization));
725
726 svg("<g transform=\"translate(%.3f,100)\">\n", 20.0 + (SCALE_X * boot->firmware_time));
727 svg_graph_box(m, -(double) boot->firmware_time, boot->finish_time);
728
729 if (boot->firmware_time > 0) {
730 svg_bar("firmware", -(double) boot->firmware_time, -(double) boot->loader_time, y);
731 svg_text(true, -(double) boot->firmware_time, y, "firmware");
732 y++;
733 }
734 if (boot->loader_time > 0) {
735 svg_bar("loader", -(double) boot->loader_time, 0, y);
736 svg_text(true, -(double) boot->loader_time, y, "loader");
737 y++;
738 }
739 if (boot->kernel_time > 0) {
740 svg_bar("kernel", 0, boot->kernel_done_time, y);
741 svg_text(true, 0, y, "kernel");
742 y++;
743 }
744 if (boot->initrd_time > 0) {
745 svg_bar("initrd", boot->initrd_time, boot->userspace_time, y);
746 svg_text(true, boot->initrd_time, y, "initrd");
747 y++;
748 }
749 svg_bar("active", boot->userspace_time, boot->finish_time, y);
750 svg_bar("security", boot->security_start_time, boot->security_finish_time, y);
751 svg_bar("generators", boot->generators_start_time, boot->generators_finish_time, y);
752 svg_bar("unitsload", boot->unitsload_start_time, boot->unitsload_finish_time, y);
753 svg_text(true, boot->userspace_time, y, "systemd");
754 y++;
755
756 for (u = times; u->has_data; u++) {
757 char ts[FORMAT_TIMESPAN_MAX];
758 bool b;
759
760 if (!u->name)
761 continue;
762
763 svg_bar("activating", u->activating, u->activated, y);
764 svg_bar("active", u->activated, u->deactivating, y);
765 svg_bar("deactivating", u->deactivating, u->deactivated, y);
766
767 /* place the text on the left if we have passed the half of the svg width */
768 b = u->activating * SCALE_X < width / 2;
769 if (u->time)
770 svg_text(b, u->activating, y, "%s (%s)",
771 u->name, format_timespan(ts, sizeof(ts), u->time, USEC_PER_MSEC));
772 else
773 svg_text(b, u->activating, y, "%s", u->name);
774 y++;
775 }
776
777 svg("</g>\n");
778
779 /* Legend */
780 svg("<g transform=\"translate(20,100)\">\n");
781 y++;
782 svg_bar("activating", 0, 300000, y);
783 svg_text(true, 400000, y, "Activating");
784 y++;
785 svg_bar("active", 0, 300000, y);
786 svg_text(true, 400000, y, "Active");
787 y++;
788 svg_bar("deactivating", 0, 300000, y);
789 svg_text(true, 400000, y, "Deactivating");
790 y++;
791 svg_bar("security", 0, 300000, y);
792 svg_text(true, 400000, y, "Setting up security module");
793 y++;
794 svg_bar("generators", 0, 300000, y);
795 svg_text(true, 400000, y, "Generators");
796 y++;
797 svg_bar("unitsload", 0, 300000, y);
798 svg_text(true, 400000, y, "Loading unit files");
799 y++;
800
801 svg("</g>\n\n");
802
803 svg("</svg>\n");
804
805 return 0;
806 }
807
808 static int list_dependencies_print(const char *name, unsigned int level, unsigned int branches,
809 bool last, struct unit_times *times, struct boot_times *boot) {
810 unsigned int i;
811 char ts[FORMAT_TIMESPAN_MAX], ts2[FORMAT_TIMESPAN_MAX];
812
813 for (i = level; i != 0; i--)
814 printf("%s", special_glyph(branches & (1 << (i-1)) ? TREE_VERTICAL : TREE_SPACE));
815
816 printf("%s", special_glyph(last ? TREE_RIGHT : TREE_BRANCH));
817
818 if (times) {
819 if (times->time > 0)
820 printf("%s%s @%s +%s%s", ansi_highlight_red(), name,
821 format_timespan(ts, sizeof(ts), times->activating - boot->userspace_time, USEC_PER_MSEC),
822 format_timespan(ts2, sizeof(ts2), times->time, USEC_PER_MSEC), ansi_normal());
823 else if (times->activated > boot->userspace_time)
824 printf("%s @%s", name, format_timespan(ts, sizeof(ts), times->activated - boot->userspace_time, USEC_PER_MSEC));
825 else
826 printf("%s", name);
827 } else
828 printf("%s", name);
829 printf("\n");
830
831 return 0;
832 }
833
834 static int list_dependencies_get_dependencies(sd_bus *bus, const char *name, char ***deps) {
835 _cleanup_free_ char *path = NULL;
836
837 assert(bus);
838 assert(name);
839 assert(deps);
840
841 path = unit_dbus_path_from_name(name);
842 if (!path)
843 return -ENOMEM;
844
845 return bus_get_unit_property_strv(bus, path, "After", deps);
846 }
847
848 static Hashmap *unit_times_hashmap;
849
850 static int list_dependencies_compare(const void *_a, const void *_b) {
851 const char **a = (const char**) _a, **b = (const char**) _b;
852 usec_t usa = 0, usb = 0;
853 struct unit_times *times;
854
855 times = hashmap_get(unit_times_hashmap, *a);
856 if (times)
857 usa = times->activated;
858 times = hashmap_get(unit_times_hashmap, *b);
859 if (times)
860 usb = times->activated;
861
862 return usb - usa;
863 }
864
865 static bool times_in_range(const struct unit_times *times, const struct boot_times *boot) {
866 return times &&
867 times->activated > 0 && times->activated <= boot->finish_time;
868 }
869
870 static int list_dependencies_one(sd_bus *bus, const char *name, unsigned int level, char ***units,
871 unsigned int branches) {
872 _cleanup_strv_free_ char **deps = NULL;
873 char **c;
874 int r = 0;
875 usec_t service_longest = 0;
876 int to_print = 0;
877 struct unit_times *times;
878 struct boot_times *boot;
879
880 if (strv_extend(units, name))
881 return log_oom();
882
883 r = list_dependencies_get_dependencies(bus, name, &deps);
884 if (r < 0)
885 return r;
886
887 qsort_safe(deps, strv_length(deps), sizeof (char*), list_dependencies_compare);
888
889 r = acquire_boot_times(bus, &boot);
890 if (r < 0)
891 return r;
892
893 STRV_FOREACH(c, deps) {
894 times = hashmap_get(unit_times_hashmap, *c);
895 if (times_in_range(times, boot) &&
896 (times->activated >= service_longest
897 || service_longest == 0)) {
898 service_longest = times->activated;
899 break;
900 }
901 }
902
903 if (service_longest == 0)
904 return r;
905
906 STRV_FOREACH(c, deps) {
907 times = hashmap_get(unit_times_hashmap, *c);
908 if (times_in_range(times, boot) &&
909 service_longest - times->activated <= arg_fuzz)
910 to_print++;
911 }
912
913 if (!to_print)
914 return r;
915
916 STRV_FOREACH(c, deps) {
917 times = hashmap_get(unit_times_hashmap, *c);
918 if (!times_in_range(times, boot) ||
919 service_longest - times->activated > arg_fuzz)
920 continue;
921
922 to_print--;
923
924 r = list_dependencies_print(*c, level, branches, to_print == 0, times, boot);
925 if (r < 0)
926 return r;
927
928 if (strv_contains(*units, *c)) {
929 r = list_dependencies_print("...", level + 1, (branches << 1) | (to_print ? 1 : 0),
930 true, NULL, boot);
931 if (r < 0)
932 return r;
933 continue;
934 }
935
936 r = list_dependencies_one(bus, *c, level + 1, units,
937 (branches << 1) | (to_print ? 1 : 0));
938 if (r < 0)
939 return r;
940
941 if (to_print == 0)
942 break;
943 }
944 return 0;
945 }
946
947 static int list_dependencies(sd_bus *bus, const char *name) {
948 _cleanup_strv_free_ char **units = NULL;
949 char ts[FORMAT_TIMESPAN_MAX];
950 struct unit_times *times;
951 int r;
952 const char *id;
953 _cleanup_free_ char *path = NULL;
954 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
955 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
956 struct boot_times *boot;
957
958 assert(bus);
959
960 path = unit_dbus_path_from_name(name);
961 if (!path)
962 return -ENOMEM;
963
964 r = sd_bus_get_property(
965 bus,
966 "org.freedesktop.systemd1",
967 path,
968 "org.freedesktop.systemd1.Unit",
969 "Id",
970 &error,
971 &reply,
972 "s");
973 if (r < 0) {
974 log_error("Failed to get ID: %s", bus_error_message(&error, -r));
975 return r;
976 }
977
978 r = sd_bus_message_read(reply, "s", &id);
979 if (r < 0)
980 return bus_log_parse_error(r);
981
982 times = hashmap_get(unit_times_hashmap, id);
983
984 r = acquire_boot_times(bus, &boot);
985 if (r < 0)
986 return r;
987
988 if (times) {
989 if (times->time)
990 printf("%s%s +%s%s\n", ansi_highlight_red(), id,
991 format_timespan(ts, sizeof(ts), times->time, USEC_PER_MSEC), ansi_normal());
992 else if (times->activated > boot->userspace_time)
993 printf("%s @%s\n", id, format_timespan(ts, sizeof(ts), times->activated - boot->userspace_time, USEC_PER_MSEC));
994 else
995 printf("%s\n", id);
996 }
997
998 return list_dependencies_one(bus, name, 0, &units, 0);
999 }
1000
1001 static int analyze_critical_chain(int argc, char *argv[], void *userdata) {
1002 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
1003 _cleanup_(unit_times_freep) struct unit_times *times = NULL;
1004 struct unit_times *u;
1005 Hashmap *h;
1006 int n, r;
1007
1008 r = acquire_bus(&bus, NULL);
1009 if (r < 0)
1010 return log_error_errno(r, "Failed to create bus connection: %m");
1011
1012 n = acquire_time_data(bus, &times);
1013 if (n <= 0)
1014 return n;
1015
1016 h = hashmap_new(&string_hash_ops);
1017 if (!h)
1018 return log_oom();
1019
1020 for (u = times; u->has_data; u++) {
1021 r = hashmap_put(h, u->name, u);
1022 if (r < 0)
1023 return log_error_errno(r, "Failed to add entry to hashmap: %m");
1024 }
1025 unit_times_hashmap = h;
1026
1027 (void) pager_open(arg_no_pager, false);
1028
1029 puts("The time after the unit is active or started is printed after the \"@\" character.\n"
1030 "The time the unit takes to start is printed after the \"+\" character.\n");
1031
1032 if (argc > 1) {
1033 char **name;
1034 STRV_FOREACH(name, strv_skip(argv, 1))
1035 list_dependencies(bus, *name);
1036 } else
1037 list_dependencies(bus, SPECIAL_DEFAULT_TARGET);
1038
1039 h = hashmap_free(h);
1040 return 0;
1041 }
1042
1043 static int analyze_blame(int argc, char *argv[], void *userdata) {
1044 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
1045 _cleanup_(unit_times_freep) struct unit_times *times = NULL;
1046 struct unit_times *u;
1047 int n, r;
1048
1049 r = acquire_bus(&bus, NULL);
1050 if (r < 0)
1051 return log_error_errno(r, "Failed to create bus connection: %m");
1052
1053 n = acquire_time_data(bus, &times);
1054 if (n <= 0)
1055 return n;
1056
1057 qsort(times, n, sizeof(struct unit_times), compare_unit_time);
1058
1059 (void) pager_open(arg_no_pager, false);
1060
1061 for (u = times; u->has_data; u++) {
1062 char ts[FORMAT_TIMESPAN_MAX];
1063
1064 if (u->time > 0)
1065 printf("%16s %s\n", format_timespan(ts, sizeof(ts), u->time, USEC_PER_MSEC), u->name);
1066 }
1067
1068 return 0;
1069 }
1070
1071 static int analyze_time(int argc, char *argv[], void *userdata) {
1072 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
1073 _cleanup_free_ char *buf = NULL;
1074 int r;
1075
1076 r = acquire_bus(&bus, NULL);
1077 if (r < 0)
1078 return log_error_errno(r, "Failed to create bus connection: %m");
1079
1080 r = pretty_boot_time(bus, &buf);
1081 if (r < 0)
1082 return r;
1083
1084 puts(buf);
1085 return 0;
1086 }
1087
1088 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[]) {
1089 _cleanup_strv_free_ char **units = NULL;
1090 char **unit;
1091 int r;
1092 bool match_patterns;
1093
1094 assert(u);
1095 assert(prop);
1096 assert(color);
1097
1098 match_patterns = strv_fnmatch(patterns, u->id, 0);
1099
1100 if (!strv_isempty(from_patterns) &&
1101 !match_patterns &&
1102 !strv_fnmatch(from_patterns, u->id, 0))
1103 return 0;
1104
1105 r = bus_get_unit_property_strv(bus, u->unit_path, prop, &units);
1106 if (r < 0)
1107 return r;
1108
1109 STRV_FOREACH(unit, units) {
1110 bool match_patterns2;
1111
1112 match_patterns2 = strv_fnmatch(patterns, *unit, 0);
1113
1114 if (!strv_isempty(to_patterns) &&
1115 !match_patterns2 &&
1116 !strv_fnmatch(to_patterns, *unit, 0))
1117 continue;
1118
1119 if (!strv_isempty(patterns) && !match_patterns && !match_patterns2)
1120 continue;
1121
1122 printf("\t\"%s\"->\"%s\" [color=\"%s\"];\n", u->id, *unit, color);
1123 }
1124
1125 return 0;
1126 }
1127
1128 static int graph_one(sd_bus *bus, const UnitInfo *u, char *patterns[], char *from_patterns[], char *to_patterns[]) {
1129 int r;
1130
1131 assert(bus);
1132 assert(u);
1133
1134 if (IN_SET(arg_dot, DEP_ORDER, DEP_ALL)) {
1135 r = graph_one_property(bus, u, "After", "green", patterns, from_patterns, to_patterns);
1136 if (r < 0)
1137 return r;
1138 }
1139
1140 if (IN_SET(arg_dot, DEP_REQUIRE, DEP_ALL)) {
1141 r = graph_one_property(bus, u, "Requires", "black", patterns, from_patterns, to_patterns);
1142 if (r < 0)
1143 return r;
1144 r = graph_one_property(bus, u, "Requisite", "darkblue", patterns, from_patterns, to_patterns);
1145 if (r < 0)
1146 return r;
1147 r = graph_one_property(bus, u, "Wants", "grey66", patterns, from_patterns, to_patterns);
1148 if (r < 0)
1149 return r;
1150 r = graph_one_property(bus, u, "Conflicts", "red", patterns, from_patterns, to_patterns);
1151 if (r < 0)
1152 return r;
1153 }
1154
1155 return 0;
1156 }
1157
1158 static int expand_patterns(sd_bus *bus, char **patterns, char ***ret) {
1159 _cleanup_strv_free_ char **expanded_patterns = NULL;
1160 char **pattern;
1161 int r;
1162
1163 STRV_FOREACH(pattern, patterns) {
1164 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1165 _cleanup_free_ char *unit = NULL, *unit_id = NULL;
1166
1167 if (strv_extend(&expanded_patterns, *pattern) < 0)
1168 return log_oom();
1169
1170 if (string_is_glob(*pattern))
1171 continue;
1172
1173 unit = unit_dbus_path_from_name(*pattern);
1174 if (!unit)
1175 return log_oom();
1176
1177 r = sd_bus_get_property_string(
1178 bus,
1179 "org.freedesktop.systemd1",
1180 unit,
1181 "org.freedesktop.systemd1.Unit",
1182 "Id",
1183 &error,
1184 &unit_id);
1185 if (r < 0)
1186 return log_error_errno(r, "Failed to get ID: %s", bus_error_message(&error, r));
1187
1188 if (!streq(*pattern, unit_id)) {
1189 if (strv_extend(&expanded_patterns, unit_id) < 0)
1190 return log_oom();
1191 }
1192 }
1193
1194 *ret = expanded_patterns;
1195 expanded_patterns = NULL; /* do not free */
1196
1197 return 0;
1198 }
1199
1200 static int dot(int argc, char *argv[], void *userdata) {
1201 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
1202 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1203 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
1204 _cleanup_strv_free_ char **expanded_patterns = NULL;
1205 _cleanup_strv_free_ char **expanded_from_patterns = NULL;
1206 _cleanup_strv_free_ char **expanded_to_patterns = NULL;
1207 int r;
1208 UnitInfo u;
1209
1210 r = acquire_bus(&bus, NULL);
1211 if (r < 0)
1212 return log_error_errno(r, "Failed to create bus connection: %m");
1213
1214 r = expand_patterns(bus, strv_skip(argv, 1), &expanded_patterns);
1215 if (r < 0)
1216 return r;
1217
1218 r = expand_patterns(bus, arg_dot_from_patterns, &expanded_from_patterns);
1219 if (r < 0)
1220 return r;
1221
1222 r = expand_patterns(bus, arg_dot_to_patterns, &expanded_to_patterns);
1223 if (r < 0)
1224 return r;
1225
1226 r = sd_bus_call_method(
1227 bus,
1228 "org.freedesktop.systemd1",
1229 "/org/freedesktop/systemd1",
1230 "org.freedesktop.systemd1.Manager",
1231 "ListUnits",
1232 &error,
1233 &reply,
1234 "");
1235 if (r < 0) {
1236 log_error("Failed to list units: %s", bus_error_message(&error, -r));
1237 return r;
1238 }
1239
1240 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssssssouso)");
1241 if (r < 0)
1242 return bus_log_parse_error(r);
1243
1244 printf("digraph systemd {\n");
1245
1246 while ((r = bus_parse_unit_info(reply, &u)) > 0) {
1247
1248 r = graph_one(bus, &u, expanded_patterns, expanded_from_patterns, expanded_to_patterns);
1249 if (r < 0)
1250 return r;
1251 }
1252 if (r < 0)
1253 return bus_log_parse_error(r);
1254
1255 printf("}\n");
1256
1257 log_info(" Color legend: black = Requires\n"
1258 " dark blue = Requisite\n"
1259 " dark grey = Wants\n"
1260 " red = Conflicts\n"
1261 " green = After\n");
1262
1263 if (on_tty())
1264 log_notice("-- You probably want to process this output with graphviz' dot tool.\n"
1265 "-- Try a shell pipeline like 'systemd-analyze dot | dot -Tsvg > systemd.svg'!\n");
1266
1267 return 0;
1268 }
1269
1270 static int dump_fallback(sd_bus *bus) {
1271 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1272 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
1273 const char *text = NULL;
1274 int r;
1275
1276 assert(bus);
1277
1278 r = sd_bus_call_method(
1279 bus,
1280 "org.freedesktop.systemd1",
1281 "/org/freedesktop/systemd1",
1282 "org.freedesktop.systemd1.Manager",
1283 "Dump",
1284 &error,
1285 &reply,
1286 NULL);
1287 if (r < 0)
1288 return log_error_errno(r, "Failed to issue method call Dump: %s", bus_error_message(&error, r));
1289
1290 r = sd_bus_message_read(reply, "s", &text);
1291 if (r < 0)
1292 return bus_log_parse_error(r);
1293
1294 fputs(text, stdout);
1295 return 0;
1296 }
1297
1298 static int dump(int argc, char *argv[], void *userdata) {
1299 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1300 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
1301 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
1302 int fd = -1;
1303 int r;
1304
1305 r = acquire_bus(&bus, NULL);
1306 if (r < 0)
1307 return log_error_errno(r, "Failed to create bus connection: %m");
1308
1309 (void) pager_open(arg_no_pager, false);
1310
1311 if (!sd_bus_can_send(bus, SD_BUS_TYPE_UNIX_FD))
1312 return dump_fallback(bus);
1313
1314 r = sd_bus_call_method(
1315 bus,
1316 "org.freedesktop.systemd1",
1317 "/org/freedesktop/systemd1",
1318 "org.freedesktop.systemd1.Manager",
1319 "DumpByFileDescriptor",
1320 &error,
1321 &reply,
1322 NULL);
1323 if (r < 0) {
1324 /* fall back to Dump if DumpByFileDescriptor is not supported */
1325 if (!IN_SET(r, -EACCES, -EBADR))
1326 return log_error_errno(r, "Failed to issue method call DumpByFileDescriptor: %s", bus_error_message(&error, r));
1327
1328 return dump_fallback(bus);
1329 }
1330
1331 r = sd_bus_message_read(reply, "h", &fd);
1332 if (r < 0)
1333 return bus_log_parse_error(r);
1334
1335 fflush(stdout);
1336 return copy_bytes(fd, STDOUT_FILENO, (uint64_t) -1, 0);
1337 }
1338
1339 static int cat_config(int argc, char *argv[], void *userdata) {
1340 char **arg;
1341 int r;
1342
1343 (void) pager_open(arg_no_pager, false);
1344
1345 STRV_FOREACH(arg, argv + 1) {
1346 const char *t = NULL;
1347
1348 if (arg != argv + 1)
1349 print_separator();
1350
1351 if (path_is_absolute(*arg)) {
1352 const char *dir;
1353
1354 NULSTR_FOREACH(dir, CONF_PATHS_NULSTR("")) {
1355 t = path_startswith(*arg, dir);
1356 if (t)
1357 break;
1358 }
1359
1360 if (!t) {
1361 log_error("Path %s does not start with any known prefix.", *arg);
1362 return -EINVAL;
1363 }
1364 } else
1365 t = *arg;
1366
1367 r = conf_files_cat(arg_root, t);
1368 if (r < 0)
1369 return r;
1370 }
1371
1372 return 0;
1373 }
1374
1375 static int set_log_level(int argc, char *argv[], void *userdata) {
1376 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1377 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
1378 int r;
1379
1380 assert(argc == 2);
1381 assert(argv);
1382
1383 r = acquire_bus(&bus, NULL);
1384 if (r < 0)
1385 return log_error_errno(r, "Failed to create bus connection: %m");
1386
1387 r = sd_bus_set_property(
1388 bus,
1389 "org.freedesktop.systemd1",
1390 "/org/freedesktop/systemd1",
1391 "org.freedesktop.systemd1.Manager",
1392 "LogLevel",
1393 &error,
1394 "s",
1395 argv[1]);
1396 if (r < 0)
1397 return log_error_errno(r, "Failed to issue method call: %s", bus_error_message(&error, r));
1398
1399 return 0;
1400 }
1401
1402 static int get_log_level(int argc, char *argv[], void *userdata) {
1403 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1404 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
1405 _cleanup_free_ char *level = NULL;
1406 int r;
1407
1408 r = acquire_bus(&bus, NULL);
1409 if (r < 0)
1410 return log_error_errno(r, "Failed to create bus connection: %m");
1411
1412 r = sd_bus_get_property_string(
1413 bus,
1414 "org.freedesktop.systemd1",
1415 "/org/freedesktop/systemd1",
1416 "org.freedesktop.systemd1.Manager",
1417 "LogLevel",
1418 &error,
1419 &level);
1420 if (r < 0)
1421 return log_error_errno(r, "Failed to get log level: %s", bus_error_message(&error, r));
1422
1423 puts(level);
1424 return 0;
1425 }
1426
1427 static int get_or_set_log_level(int argc, char *argv[], void *userdata) {
1428 return (argc == 1) ? get_log_level(argc, argv, userdata) : set_log_level(argc, argv, userdata);
1429 }
1430
1431 static int set_log_target(int argc, char *argv[], void *userdata) {
1432 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1433 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
1434 int r;
1435
1436 assert(argc == 2);
1437 assert(argv);
1438
1439 r = acquire_bus(&bus, NULL);
1440 if (r < 0)
1441 return log_error_errno(r, "Failed to create bus connection: %m");
1442
1443 r = sd_bus_set_property(
1444 bus,
1445 "org.freedesktop.systemd1",
1446 "/org/freedesktop/systemd1",
1447 "org.freedesktop.systemd1.Manager",
1448 "LogTarget",
1449 &error,
1450 "s",
1451 argv[1]);
1452 if (r < 0)
1453 return log_error_errno(r, "Failed to issue method call: %s", bus_error_message(&error, r));
1454
1455 return 0;
1456 }
1457
1458 static int get_log_target(int argc, char *argv[], void *userdata) {
1459 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1460 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
1461 _cleanup_free_ char *target = NULL;
1462 int r;
1463
1464 r = acquire_bus(&bus, NULL);
1465 if (r < 0)
1466 return log_error_errno(r, "Failed to create bus connection: %m");
1467
1468 r = sd_bus_get_property_string(
1469 bus,
1470 "org.freedesktop.systemd1",
1471 "/org/freedesktop/systemd1",
1472 "org.freedesktop.systemd1.Manager",
1473 "LogTarget",
1474 &error,
1475 &target);
1476 if (r < 0)
1477 return log_error_errno(r, "Failed to get log target: %s", bus_error_message(&error, r));
1478
1479 puts(target);
1480 return 0;
1481 }
1482
1483 static int get_or_set_log_target(int argc, char *argv[], void *userdata) {
1484 return (argc == 1) ? get_log_target(argc, argv, userdata) : set_log_target(argc, argv, userdata);
1485 }
1486
1487 static int dump_unit_paths(int argc, char *argv[], void *userdata) {
1488 _cleanup_(lookup_paths_free) LookupPaths paths = {};
1489 int r;
1490 char **p;
1491
1492 r = lookup_paths_init(&paths, arg_scope, 0, NULL);
1493 if (r < 0)
1494 return log_error_errno(r, "lookup_paths_init() failed: %m");
1495
1496 STRV_FOREACH(p, paths.search_path)
1497 puts(*p);
1498
1499 return 0;
1500 }
1501
1502 #if HAVE_SECCOMP
1503 static void dump_syscall_filter(const SyscallFilterSet *set) {
1504 const char *syscall;
1505
1506 printf("%s\n", set->name);
1507 printf(" # %s\n", set->help);
1508 NULSTR_FOREACH(syscall, set->value)
1509 printf(" %s\n", syscall);
1510 }
1511
1512 static int dump_syscall_filters(int argc, char *argv[], void *userdata) {
1513 bool first = true;
1514
1515 (void) pager_open(arg_no_pager, false);
1516
1517 if (strv_isempty(strv_skip(argv, 1))) {
1518 int i;
1519
1520 for (i = 0; i < _SYSCALL_FILTER_SET_MAX; i++) {
1521 if (!first)
1522 puts("");
1523 dump_syscall_filter(syscall_filter_sets + i);
1524 first = false;
1525 }
1526 } else {
1527 char **name;
1528
1529 STRV_FOREACH(name, strv_skip(argv, 1)) {
1530 const SyscallFilterSet *set;
1531
1532 if (!first)
1533 puts("");
1534
1535 set = syscall_filter_set_find(*name);
1536 if (!set) {
1537 /* make sure the error appears below normal output */
1538 fflush(stdout);
1539
1540 log_error("Filter set \"%s\" not found.", *name);
1541 return -ENOENT;
1542 }
1543
1544 dump_syscall_filter(set);
1545 first = false;
1546 }
1547 }
1548
1549 return 0;
1550 }
1551
1552 #else
1553 static int dump_syscall_filters(int argc, char *argv[], void *userdata) {
1554 log_error("Not compiled with syscall filters, sorry.");
1555 return -EOPNOTSUPP;
1556 }
1557 #endif
1558
1559 static int test_calendar(int argc, char *argv[], void *userdata) {
1560 int ret = 0, r;
1561 char **p;
1562 usec_t n;
1563
1564 n = now(CLOCK_REALTIME);
1565
1566 STRV_FOREACH(p, strv_skip(argv, 1)) {
1567 _cleanup_(calendar_spec_freep) CalendarSpec *spec = NULL;
1568 _cleanup_free_ char *t = NULL;
1569 usec_t next;
1570
1571 r = calendar_spec_from_string(*p, &spec);
1572 if (r < 0) {
1573 ret = log_error_errno(r, "Failed to parse calendar specification '%s': %m", *p);
1574 continue;
1575 }
1576
1577 r = calendar_spec_normalize(spec);
1578 if (r < 0) {
1579 ret = log_error_errno(r, "Failed to normalize calendar specification '%s': %m", *p);
1580 continue;
1581 }
1582
1583 r = calendar_spec_to_string(spec, &t);
1584 if (r < 0) {
1585 ret = log_error_errno(r, "Failed to format calendar specification '%s': %m", *p);
1586 continue;
1587 }
1588
1589 if (!streq(t, *p))
1590 printf(" Original form: %s\n", *p);
1591
1592 printf("Normalized form: %s\n", t);
1593
1594 r = calendar_spec_next_usec(spec, n, &next);
1595 if (r == -ENOENT)
1596 printf(" Next elapse: never\n");
1597 else if (r < 0) {
1598 ret = log_error_errno(r, "Failed to determine next elapse for '%s': %m", *p);
1599 continue;
1600 } else {
1601 char buffer[CONST_MAX(FORMAT_TIMESTAMP_MAX, FORMAT_TIMESTAMP_RELATIVE_MAX)];
1602
1603 printf(" Next elapse: %s\n", format_timestamp(buffer, sizeof(buffer), next));
1604
1605 if (!in_utc_timezone())
1606 printf(" (in UTC): %s\n", format_timestamp_utc(buffer, sizeof(buffer), next));
1607
1608 printf(" From now: %s\n", format_timestamp_relative(buffer, sizeof(buffer), next));
1609 }
1610
1611 if (*(p+1))
1612 putchar('\n');
1613 }
1614
1615 return ret;
1616 }
1617
1618 static int service_watchdogs(int argc, char *argv[], void *userdata) {
1619 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1620 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
1621 int b, r;
1622
1623 assert(IN_SET(argc, 1, 2));
1624 assert(argv);
1625
1626 r = acquire_bus(&bus, NULL);
1627 if (r < 0)
1628 return log_error_errno(r, "Failed to create bus connection: %m");
1629
1630 /* get ServiceWatchdogs */
1631 if (argc == 1) {
1632 r = sd_bus_get_property_trivial(
1633 bus,
1634 "org.freedesktop.systemd1",
1635 "/org/freedesktop/systemd1",
1636 "org.freedesktop.systemd1.Manager",
1637 "ServiceWatchdogs",
1638 &error,
1639 'b',
1640 &b);
1641 if (r < 0)
1642 return log_error_errno(r, "Failed to get service-watchdog state: %s", bus_error_message(&error, r));
1643
1644 printf("%s\n", yes_no(!!b));
1645
1646 return 0;
1647 }
1648
1649 /* set ServiceWatchdogs */
1650 b = parse_boolean(argv[1]);
1651 if (b < 0) {
1652 log_error("Failed to parse service-watchdogs argument.");
1653 return -EINVAL;
1654 }
1655
1656 r = sd_bus_set_property(
1657 bus,
1658 "org.freedesktop.systemd1",
1659 "/org/freedesktop/systemd1",
1660 "org.freedesktop.systemd1.Manager",
1661 "ServiceWatchdogs",
1662 &error,
1663 "b",
1664 b);
1665 if (r < 0)
1666 return log_error_errno(r, "Failed to set service-watchdog state: %s", bus_error_message(&error, r));
1667
1668 return 0;
1669 }
1670
1671 static int do_verify(int argc, char *argv[], void *userdata) {
1672 return verify_units(strv_skip(argv, 1), arg_scope, arg_man, arg_generators);
1673 }
1674
1675 static int help(int argc, char *argv[], void *userdata) {
1676
1677 (void) pager_open(arg_no_pager, false);
1678
1679 printf("%s [OPTIONS...] {COMMAND} ...\n\n"
1680 "Profile systemd, show unit dependencies, check unit files.\n\n"
1681 " -h --help Show this help\n"
1682 " --version Show package version\n"
1683 " --no-pager Do not pipe output into a pager\n"
1684 " --system Operate on system systemd instance\n"
1685 " --user Operate on user systemd instance\n"
1686 " --global Operate on global user configuration\n"
1687 " -H --host=[USER@]HOST Operate on remote host\n"
1688 " -M --machine=CONTAINER Operate on local container\n"
1689 " --order Show only order in the graph\n"
1690 " --require Show only requirement in the graph\n"
1691 " --from-pattern=GLOB Show only origins in the graph\n"
1692 " --to-pattern=GLOB Show only destinations in the graph\n"
1693 " --fuzz=SECONDS Also print also services which finished SECONDS\n"
1694 " earlier than the latest in the branch\n"
1695 " --man[=BOOL] Do [not] check for existence of man pages\n\n"
1696 " --generators[=BOOL] Do [not] run unit generators (requires privileges)\n\n"
1697 "Commands:\n"
1698 " time Print time spent in the kernel\n"
1699 " blame Print list of running units ordered by time to init\n"
1700 " critical-chain [UNIT...] Print a tree of the time critical chain of units\n"
1701 " plot Output SVG graphic showing service initialization\n"
1702 " dot [UNIT...] Output dependency graph in man:dot(1) format\n"
1703 " log-level [LEVEL] Get/set logging threshold for manager\n"
1704 " log-target [TARGET] Get/set logging target for manager\n"
1705 " dump Output state serialization of service manager\n"
1706 " cat-config Show configuration file and drop-ins\n"
1707 " unit-paths List load directories for units\n"
1708 " syscall-filter [NAME...] Print list of syscalls in seccomp filter\n"
1709 " verify FILE... Check unit files for correctness\n"
1710 " calendar SPEC... Validate repetitive calendar time events\n"
1711 " service-watchdogs [BOOL] Get/set service watchdog state\n"
1712 , program_invocation_short_name);
1713
1714 /* When updating this list, including descriptions, apply
1715 * changes to shell-completion/bash/systemd-analyze and
1716 * shell-completion/zsh/_systemd-analyze too. */
1717
1718 return 0;
1719 }
1720
1721 static int parse_argv(int argc, char *argv[]) {
1722 enum {
1723 ARG_VERSION = 0x100,
1724 ARG_ORDER,
1725 ARG_REQUIRE,
1726 ARG_ROOT,
1727 ARG_SYSTEM,
1728 ARG_USER,
1729 ARG_GLOBAL,
1730 ARG_DOT_FROM_PATTERN,
1731 ARG_DOT_TO_PATTERN,
1732 ARG_FUZZ,
1733 ARG_NO_PAGER,
1734 ARG_MAN,
1735 ARG_GENERATORS,
1736 };
1737
1738 static const struct option options[] = {
1739 { "help", no_argument, NULL, 'h' },
1740 { "version", no_argument, NULL, ARG_VERSION },
1741 { "order", no_argument, NULL, ARG_ORDER },
1742 { "require", no_argument, NULL, ARG_REQUIRE },
1743 { "root", required_argument, NULL, ARG_ROOT },
1744 { "system", no_argument, NULL, ARG_SYSTEM },
1745 { "user", no_argument, NULL, ARG_USER },
1746 { "global", no_argument, NULL, ARG_GLOBAL },
1747 { "from-pattern", required_argument, NULL, ARG_DOT_FROM_PATTERN },
1748 { "to-pattern", required_argument, NULL, ARG_DOT_TO_PATTERN },
1749 { "fuzz", required_argument, NULL, ARG_FUZZ },
1750 { "no-pager", no_argument, NULL, ARG_NO_PAGER },
1751 { "man", optional_argument, NULL, ARG_MAN },
1752 { "generators", optional_argument, NULL, ARG_GENERATORS },
1753 { "host", required_argument, NULL, 'H' },
1754 { "machine", required_argument, NULL, 'M' },
1755 {}
1756 };
1757
1758 int r, c;
1759
1760 assert(argc >= 0);
1761 assert(argv);
1762
1763 while ((c = getopt_long(argc, argv, "hH:M:", options, NULL)) >= 0)
1764 switch (c) {
1765
1766 case 'h':
1767 return help(0, NULL, NULL);
1768
1769 case ARG_VERSION:
1770 return version();
1771
1772 case ARG_ROOT:
1773 arg_root = optarg;
1774 break;
1775
1776 case ARG_SYSTEM:
1777 arg_scope = UNIT_FILE_SYSTEM;
1778 break;
1779
1780 case ARG_USER:
1781 arg_scope = UNIT_FILE_USER;
1782 break;
1783
1784 case ARG_GLOBAL:
1785 arg_scope = UNIT_FILE_GLOBAL;
1786 break;
1787
1788 case ARG_ORDER:
1789 arg_dot = DEP_ORDER;
1790 break;
1791
1792 case ARG_REQUIRE:
1793 arg_dot = DEP_REQUIRE;
1794 break;
1795
1796 case ARG_DOT_FROM_PATTERN:
1797 if (strv_extend(&arg_dot_from_patterns, optarg) < 0)
1798 return log_oom();
1799
1800 break;
1801
1802 case ARG_DOT_TO_PATTERN:
1803 if (strv_extend(&arg_dot_to_patterns, optarg) < 0)
1804 return log_oom();
1805
1806 break;
1807
1808 case ARG_FUZZ:
1809 r = parse_sec(optarg, &arg_fuzz);
1810 if (r < 0)
1811 return r;
1812 break;
1813
1814 case ARG_NO_PAGER:
1815 arg_no_pager = true;
1816 break;
1817
1818 case 'H':
1819 arg_transport = BUS_TRANSPORT_REMOTE;
1820 arg_host = optarg;
1821 break;
1822
1823 case 'M':
1824 arg_transport = BUS_TRANSPORT_MACHINE;
1825 arg_host = optarg;
1826 break;
1827
1828 case ARG_MAN:
1829 if (optarg) {
1830 r = parse_boolean(optarg);
1831 if (r < 0) {
1832 log_error("Failed to parse --man= argument.");
1833 return -EINVAL;
1834 }
1835
1836 arg_man = !!r;
1837 } else
1838 arg_man = true;
1839
1840 break;
1841
1842 case ARG_GENERATORS:
1843 if (optarg) {
1844 r = parse_boolean(optarg);
1845 if (r < 0) {
1846 log_error("Failed to parse --generators= argument.");
1847 return -EINVAL;
1848 }
1849
1850 arg_generators = !!r;
1851 } else
1852 arg_generators = true;
1853
1854 break;
1855
1856 case '?':
1857 return -EINVAL;
1858
1859 default:
1860 assert_not_reached("Unhandled option code.");
1861 }
1862
1863 if (arg_scope == UNIT_FILE_GLOBAL &&
1864 !STR_IN_SET(argv[optind] ?: "time", "dot", "unit-paths", "verify")) {
1865 log_error("Option --global only makes sense with verbs dot, unit-paths, verify.");
1866 return -EINVAL;
1867 }
1868
1869 if (arg_root && !streq_ptr(argv[optind], "cat-config")) {
1870 log_error("Option --root is only supported for cat-config right now.");
1871 return -EINVAL;
1872 }
1873
1874 return 1; /* work to do */
1875 }
1876
1877 int main(int argc, char *argv[]) {
1878
1879 static const Verb verbs[] = {
1880 { "help", VERB_ANY, VERB_ANY, 0, help },
1881 { "time", VERB_ANY, 1, VERB_DEFAULT, analyze_time },
1882 { "blame", VERB_ANY, 1, 0, analyze_blame },
1883 { "critical-chain", VERB_ANY, VERB_ANY, 0, analyze_critical_chain },
1884 { "plot", VERB_ANY, 1, 0, analyze_plot },
1885 { "dot", VERB_ANY, VERB_ANY, 0, dot },
1886 { "log-level", VERB_ANY, 2, 0, get_or_set_log_level },
1887 { "log-target", VERB_ANY, 2, 0, get_or_set_log_target },
1888 /* The following four verbs are deprecated aliases */
1889 { "set-log-level", 2, 2, 0, set_log_level },
1890 { "get-log-level", VERB_ANY, 1, 0, get_log_level },
1891 { "set-log-target", 2, 2, 0, set_log_target },
1892 { "get-log-target", VERB_ANY, 1, 0, get_log_target },
1893 { "dump", VERB_ANY, 1, 0, dump },
1894 { "cat-config", 2, VERB_ANY, 0, cat_config },
1895 { "unit-paths", 1, 1, 0, dump_unit_paths },
1896 { "syscall-filter", VERB_ANY, VERB_ANY, 0, dump_syscall_filters },
1897 { "verify", 2, VERB_ANY, 0, do_verify },
1898 { "calendar", 2, VERB_ANY, 0, test_calendar },
1899 { "service-watchdogs", VERB_ANY, 2, 0, service_watchdogs },
1900 {}
1901 };
1902
1903 int r;
1904
1905 setlocale(LC_ALL, "");
1906 setlocale(LC_NUMERIC, "C"); /* we want to format/parse floats in C style */
1907
1908 log_parse_environment();
1909 log_open();
1910
1911 r = parse_argv(argc, argv);
1912 if (r <= 0)
1913 goto finish;
1914
1915 r = dispatch_verb(argc, argv, verbs, NULL);
1916
1917 finish:
1918 pager_close();
1919
1920 strv_free(arg_dot_from_patterns);
1921 strv_free(arg_dot_to_patterns);
1922
1923 return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
1924 }
Unnamed repository; edit this file 'description' to name the repository.