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Merge pull request #13207 from keszybz/symbolic-exit-code-names
[thirdparty/systemd.git] / src / analyze / analyze.c
1 /* SPDX-License-Identifier: LGPL-2.1+ */
2 /***
3 Copyright © 2013 Simon Peeters
4 ***/
5
6 #include <getopt.h>
7 #include <inttypes.h>
8 #include <locale.h>
9 #include <stdio.h>
10 #include <stdlib.h>
11 #include <unistd.h>
12
13 #include "sd-bus.h"
14
15 #include "alloc-util.h"
16 #include "analyze-condition.h"
17 #include "analyze-security.h"
18 #include "analyze-verify.h"
19 #include "build.h"
20 #include "bus-error.h"
21 #include "bus-unit-util.h"
22 #include "bus-util.h"
23 #include "calendarspec.h"
24 #include "conf-files.h"
25 #include "copy.h"
26 #include "def.h"
27 #include "exit-status.h"
28 #include "fd-util.h"
29 #include "fileio.h"
30 #include "format-table.h"
31 #include "glob-util.h"
32 #include "hashmap.h"
33 #include "locale-util.h"
34 #include "log.h"
35 #include "main-func.h"
36 #include "nulstr-util.h"
37 #include "pager.h"
38 #include "parse-util.h"
39 #include "path-util.h"
40 #include "pretty-print.h"
41 #if HAVE_SECCOMP
42 # include "seccomp-util.h"
43 #endif
44 #include "sort-util.h"
45 #include "special.h"
46 #include "strv.h"
47 #include "strxcpyx.h"
48 #include "terminal-util.h"
49 #include "time-util.h"
50 #include "unit-name.h"
51 #include "util.h"
52 #include "verbs.h"
53
54 #define SCALE_X (0.1 / 1000.0) /* pixels per us */
55 #define SCALE_Y (20.0)
56
57 #define svg(...) printf(__VA_ARGS__)
58
59 #define svg_bar(class, x1, x2, y) \
60 svg(" <rect class=\"%s\" x=\"%.03f\" y=\"%.03f\" width=\"%.03f\" height=\"%.03f\" />\n", \
61 (class), \
62 SCALE_X * (x1), SCALE_Y * (y), \
63 SCALE_X * ((x2) - (x1)), SCALE_Y - 1.0)
64
65 #define svg_text(b, x, y, format, ...) \
66 do { \
67 svg(" <text class=\"%s\" x=\"%.03f\" y=\"%.03f\">", (b) ? "left" : "right", SCALE_X * (x) + (b ? 5.0 : -5.0), SCALE_Y * (y) + 14.0); \
68 svg(format, ## __VA_ARGS__); \
69 svg("</text>\n"); \
70 } while (false)
71
72 static enum dot {
73 DEP_ALL,
74 DEP_ORDER,
75 DEP_REQUIRE
76 } arg_dot = DEP_ALL;
77 static char **arg_dot_from_patterns = NULL;
78 static char **arg_dot_to_patterns = NULL;
79 static usec_t arg_fuzz = 0;
80 static PagerFlags arg_pager_flags = 0;
81 static BusTransport arg_transport = BUS_TRANSPORT_LOCAL;
82 static const char *arg_host = NULL;
83 static UnitFileScope arg_scope = UNIT_FILE_SYSTEM;
84 static bool arg_man = true;
85 static bool arg_generators = false;
86 static const char *arg_root = NULL;
87 static unsigned arg_iterations = 1;
88
89 STATIC_DESTRUCTOR_REGISTER(arg_dot_from_patterns, strv_freep);
90 STATIC_DESTRUCTOR_REGISTER(arg_dot_to_patterns, strv_freep);
91
92 struct boot_times {
93 usec_t firmware_time;
94 usec_t loader_time;
95 usec_t kernel_time;
96 usec_t kernel_done_time;
97 usec_t initrd_time;
98 usec_t userspace_time;
99 usec_t finish_time;
100 usec_t security_start_time;
101 usec_t security_finish_time;
102 usec_t generators_start_time;
103 usec_t generators_finish_time;
104 usec_t unitsload_start_time;
105 usec_t unitsload_finish_time;
106 usec_t initrd_security_start_time;
107 usec_t initrd_security_finish_time;
108 usec_t initrd_generators_start_time;
109 usec_t initrd_generators_finish_time;
110 usec_t initrd_unitsload_start_time;
111 usec_t initrd_unitsload_finish_time;
112
113 /*
114 * If we're analyzing the user instance, all timestamps will be offset
115 * by its own start-up timestamp, which may be arbitrarily big.
116 * With "plot", this causes arbitrarily wide output SVG files which almost
117 * completely consist of empty space. Thus we cancel out this offset.
118 *
119 * This offset is subtracted from times above by acquire_boot_times(),
120 * but it still needs to be subtracted from unit-specific timestamps
121 * (so it is stored here for reference).
122 */
123 usec_t reverse_offset;
124 };
125
126 struct unit_times {
127 bool has_data;
128 char *name;
129 usec_t activating;
130 usec_t activated;
131 usec_t deactivated;
132 usec_t deactivating;
133 usec_t time;
134 };
135
136 struct host_info {
137 char *hostname;
138 char *kernel_name;
139 char *kernel_release;
140 char *kernel_version;
141 char *os_pretty_name;
142 char *virtualization;
143 char *architecture;
144 };
145
146 static int acquire_bus(sd_bus **bus, bool *use_full_bus) {
147 bool user = arg_scope != UNIT_FILE_SYSTEM;
148 int r;
149
150 if (use_full_bus && *use_full_bus) {
151 r = bus_connect_transport(arg_transport, arg_host, user, bus);
152 if (IN_SET(r, 0, -EHOSTDOWN))
153 return r;
154
155 *use_full_bus = false;
156 }
157
158 return bus_connect_transport_systemd(arg_transport, arg_host, user, bus);
159 }
160
161 static int bus_get_uint64_property(sd_bus *bus, const char *path, const char *interface, const char *property, uint64_t *val) {
162 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
163 int r;
164
165 assert(bus);
166 assert(path);
167 assert(interface);
168 assert(property);
169 assert(val);
170
171 r = sd_bus_get_property_trivial(
172 bus,
173 "org.freedesktop.systemd1",
174 path,
175 interface,
176 property,
177 &error,
178 't', val);
179
180 if (r < 0)
181 return log_error_errno(r, "Failed to parse reply: %s", bus_error_message(&error, r));
182
183 return 0;
184 }
185
186 static int bus_get_unit_property_strv(sd_bus *bus, const char *path, const char *property, char ***strv) {
187 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
188 int r;
189
190 assert(bus);
191 assert(path);
192 assert(property);
193 assert(strv);
194
195 r = sd_bus_get_property_strv(
196 bus,
197 "org.freedesktop.systemd1",
198 path,
199 "org.freedesktop.systemd1.Unit",
200 property,
201 &error,
202 strv);
203 if (r < 0)
204 return log_error_errno(r, "Failed to get unit property %s: %s", property, bus_error_message(&error, r));
205
206 return 0;
207 }
208
209 static int compare_unit_start(const struct unit_times *a, const struct unit_times *b) {
210 return CMP(a->activating, b->activating);
211 }
212
213 static void unit_times_free(struct unit_times *t) {
214 struct unit_times *p;
215
216 for (p = t; p->has_data; p++)
217 free(p->name);
218 free(t);
219 }
220
221 DEFINE_TRIVIAL_CLEANUP_FUNC(struct unit_times *, unit_times_free);
222
223 static void subtract_timestamp(usec_t *a, usec_t b) {
224 assert(a);
225
226 if (*a > 0) {
227 assert(*a >= b);
228 *a -= b;
229 }
230 }
231
232 static int acquire_boot_times(sd_bus *bus, struct boot_times **bt) {
233 static const struct bus_properties_map property_map[] = {
234 { "FirmwareTimestampMonotonic", "t", NULL, offsetof(struct boot_times, firmware_time) },
235 { "LoaderTimestampMonotonic", "t", NULL, offsetof(struct boot_times, loader_time) },
236 { "KernelTimestamp", "t", NULL, offsetof(struct boot_times, kernel_time) },
237 { "InitRDTimestampMonotonic", "t", NULL, offsetof(struct boot_times, initrd_time) },
238 { "UserspaceTimestampMonotonic", "t", NULL, offsetof(struct boot_times, userspace_time) },
239 { "FinishTimestampMonotonic", "t", NULL, offsetof(struct boot_times, finish_time) },
240 { "SecurityStartTimestampMonotonic", "t", NULL, offsetof(struct boot_times, security_start_time) },
241 { "SecurityFinishTimestampMonotonic", "t", NULL, offsetof(struct boot_times, security_finish_time) },
242 { "GeneratorsStartTimestampMonotonic", "t", NULL, offsetof(struct boot_times, generators_start_time) },
243 { "GeneratorsFinishTimestampMonotonic", "t", NULL, offsetof(struct boot_times, generators_finish_time) },
244 { "UnitsLoadStartTimestampMonotonic", "t", NULL, offsetof(struct boot_times, unitsload_start_time) },
245 { "UnitsLoadFinishTimestampMonotonic", "t", NULL, offsetof(struct boot_times, unitsload_finish_time) },
246 { "InitRDSecurityStartTimestampMonotonic", "t", NULL, offsetof(struct boot_times, initrd_security_start_time) },
247 { "InitRDSecurityFinishTimestampMonotonic", "t", NULL, offsetof(struct boot_times, initrd_security_finish_time) },
248 { "InitRDGeneratorsStartTimestampMonotonic", "t", NULL, offsetof(struct boot_times, initrd_generators_start_time) },
249 { "InitRDGeneratorsFinishTimestampMonotonic", "t", NULL, offsetof(struct boot_times, initrd_generators_finish_time) },
250 { "InitRDUnitsLoadStartTimestampMonotonic", "t", NULL, offsetof(struct boot_times, initrd_unitsload_start_time) },
251 { "InitRDUnitsLoadFinishTimestampMonotonic", "t", NULL, offsetof(struct boot_times, initrd_unitsload_finish_time) },
252 {},
253 };
254 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
255 static struct boot_times times;
256 static bool cached = false;
257 int r;
258
259 if (cached)
260 goto finish;
261
262 assert_cc(sizeof(usec_t) == sizeof(uint64_t));
263
264 r = bus_map_all_properties(
265 bus,
266 "org.freedesktop.systemd1",
267 "/org/freedesktop/systemd1",
268 property_map,
269 BUS_MAP_STRDUP,
270 &error,
271 NULL,
272 &times);
273 if (r < 0)
274 return log_error_errno(r, "Failed to get timestamp properties: %s", bus_error_message(&error, r));
275
276 if (times.finish_time <= 0)
277 return log_error_errno(SYNTHETIC_ERRNO(EINPROGRESS),
278 "Bootup is not yet finished (org.freedesktop.systemd1.Manager.FinishTimestampMonotonic=%"PRIu64").\n"
279 "Please try again later.\n"
280 "Hint: Use 'systemctl%s list-jobs' to see active jobs",
281 times.finish_time,
282 arg_scope == UNIT_FILE_SYSTEM ? "" : " --user");
283
284 if (arg_scope == UNIT_FILE_SYSTEM && times.security_start_time > 0) {
285 /* security_start_time is set when systemd is not running under container environment. */
286 if (times.initrd_time > 0)
287 times.kernel_done_time = times.initrd_time;
288 else
289 times.kernel_done_time = times.userspace_time;
290 } else {
291 /*
292 * User-instance-specific or container-system-specific timestamps processing
293 * (see comment to reverse_offset in struct boot_times).
294 */
295 times.reverse_offset = times.userspace_time;
296
297 times.firmware_time = times.loader_time = times.kernel_time = times.initrd_time =
298 times.userspace_time = times.security_start_time = times.security_finish_time = 0;
299
300 subtract_timestamp(&times.finish_time, times.reverse_offset);
301
302 subtract_timestamp(&times.generators_start_time, times.reverse_offset);
303 subtract_timestamp(&times.generators_finish_time, times.reverse_offset);
304
305 subtract_timestamp(&times.unitsload_start_time, times.reverse_offset);
306 subtract_timestamp(&times.unitsload_finish_time, times.reverse_offset);
307 }
308
309 cached = true;
310
311 finish:
312 *bt = &times;
313 return 0;
314 }
315
316 static void free_host_info(struct host_info *hi) {
317 if (!hi)
318 return;
319
320 free(hi->hostname);
321 free(hi->kernel_name);
322 free(hi->kernel_release);
323 free(hi->kernel_version);
324 free(hi->os_pretty_name);
325 free(hi->virtualization);
326 free(hi->architecture);
327 free(hi);
328 }
329
330 DEFINE_TRIVIAL_CLEANUP_FUNC(struct host_info *, free_host_info);
331
332 static int acquire_time_data(sd_bus *bus, struct unit_times **out) {
333 static const struct bus_properties_map property_map[] = {
334 { "InactiveExitTimestampMonotonic", "t", NULL, offsetof(struct unit_times, activating) },
335 { "ActiveEnterTimestampMonotonic", "t", NULL, offsetof(struct unit_times, activated) },
336 { "ActiveExitTimestampMonotonic", "t", NULL, offsetof(struct unit_times, deactivating) },
337 { "InactiveEnterTimestampMonotonic", "t", NULL, offsetof(struct unit_times, deactivated) },
338 {},
339 };
340 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
341 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
342 _cleanup_(unit_times_freep) struct unit_times *unit_times = NULL;
343 struct boot_times *boot_times = NULL;
344 size_t allocated = 0, c = 0;
345 UnitInfo u;
346 int r;
347
348 r = acquire_boot_times(bus, &boot_times);
349 if (r < 0)
350 return r;
351
352 r = sd_bus_call_method(
353 bus,
354 "org.freedesktop.systemd1",
355 "/org/freedesktop/systemd1",
356 "org.freedesktop.systemd1.Manager",
357 "ListUnits",
358 &error, &reply,
359 NULL);
360 if (r < 0)
361 return log_error_errno(r, "Failed to list units: %s", bus_error_message(&error, r));
362
363 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssssssouso)");
364 if (r < 0)
365 return bus_log_parse_error(r);
366
367 while ((r = bus_parse_unit_info(reply, &u)) > 0) {
368 struct unit_times *t;
369
370 if (!GREEDY_REALLOC(unit_times, allocated, c + 2))
371 return log_oom();
372
373 unit_times[c + 1].has_data = false;
374 t = &unit_times[c];
375 t->name = NULL;
376
377 assert_cc(sizeof(usec_t) == sizeof(uint64_t));
378
379 r = bus_map_all_properties(
380 bus,
381 "org.freedesktop.systemd1",
382 u.unit_path,
383 property_map,
384 BUS_MAP_STRDUP,
385 &error,
386 NULL,
387 t);
388 if (r < 0)
389 return log_error_errno(r, "Failed to get timestamp properties of unit %s: %s",
390 u.id, bus_error_message(&error, r));
391
392 subtract_timestamp(&t->activating, boot_times->reverse_offset);
393 subtract_timestamp(&t->activated, boot_times->reverse_offset);
394 subtract_timestamp(&t->deactivating, boot_times->reverse_offset);
395 subtract_timestamp(&t->deactivated, boot_times->reverse_offset);
396
397 if (t->activated >= t->activating)
398 t->time = t->activated - t->activating;
399 else if (t->deactivated >= t->activating)
400 t->time = t->deactivated - t->activating;
401 else
402 t->time = 0;
403
404 if (t->activating == 0)
405 continue;
406
407 t->name = strdup(u.id);
408 if (!t->name)
409 return log_oom();
410
411 t->has_data = true;
412 c++;
413 }
414 if (r < 0)
415 return bus_log_parse_error(r);
416
417 *out = TAKE_PTR(unit_times);
418 return c;
419 }
420
421 static int acquire_host_info(sd_bus *bus, struct host_info **hi) {
422 static const struct bus_properties_map hostname_map[] = {
423 { "Hostname", "s", NULL, offsetof(struct host_info, hostname) },
424 { "KernelName", "s", NULL, offsetof(struct host_info, kernel_name) },
425 { "KernelRelease", "s", NULL, offsetof(struct host_info, kernel_release) },
426 { "KernelVersion", "s", NULL, offsetof(struct host_info, kernel_version) },
427 { "OperatingSystemPrettyName", "s", NULL, offsetof(struct host_info, os_pretty_name) },
428 {}
429 };
430
431 static const struct bus_properties_map manager_map[] = {
432 { "Virtualization", "s", NULL, offsetof(struct host_info, virtualization) },
433 { "Architecture", "s", NULL, offsetof(struct host_info, architecture) },
434 {}
435 };
436
437 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
438 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *system_bus = NULL;
439 _cleanup_(free_host_infop) struct host_info *host;
440 int r;
441
442 host = new0(struct host_info, 1);
443 if (!host)
444 return log_oom();
445
446 if (arg_scope != UNIT_FILE_SYSTEM) {
447 r = bus_connect_transport(arg_transport, arg_host, false, &system_bus);
448 if (r < 0) {
449 log_debug_errno(r, "Failed to connect to system bus, ignoring: %m");
450 goto manager;
451 }
452 }
453
454 r = bus_map_all_properties(
455 system_bus ?: bus,
456 "org.freedesktop.hostname1",
457 "/org/freedesktop/hostname1",
458 hostname_map,
459 BUS_MAP_STRDUP,
460 &error,
461 NULL,
462 host);
463 if (r < 0) {
464 log_debug_errno(r, "Failed to get host information from systemd-hostnamed, ignoring: %s",
465 bus_error_message(&error, r));
466 sd_bus_error_free(&error);
467 }
468
469 manager:
470 r = bus_map_all_properties(
471 bus,
472 "org.freedesktop.systemd1",
473 "/org/freedesktop/systemd1",
474 manager_map,
475 BUS_MAP_STRDUP,
476 &error,
477 NULL,
478 host);
479 if (r < 0)
480 return log_error_errno(r, "Failed to get host information from systemd: %s",
481 bus_error_message(&error, r));
482
483 *hi = TAKE_PTR(host);
484 return 0;
485 }
486
487 static int pretty_boot_time(sd_bus *bus, char **_buf) {
488 char ts[FORMAT_TIMESPAN_MAX];
489 struct boot_times *t;
490 static char buf[4096];
491 size_t size;
492 char *ptr;
493 int r;
494 usec_t activated_time = USEC_INFINITY;
495 _cleanup_free_ char *path = NULL, *unit_id = NULL;
496 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
497
498 r = acquire_boot_times(bus, &t);
499 if (r < 0)
500 return r;
501
502 path = unit_dbus_path_from_name(SPECIAL_DEFAULT_TARGET);
503 if (!path)
504 return log_oom();
505
506 r = sd_bus_get_property_string(
507 bus,
508 "org.freedesktop.systemd1",
509 path,
510 "org.freedesktop.systemd1.Unit",
511 "Id",
512 &error,
513 &unit_id);
514 if (r < 0) {
515 log_error_errno(r, "default.target doesn't seem to exist: %s", bus_error_message(&error, r));
516 unit_id = NULL;
517 }
518
519 r = bus_get_uint64_property(bus, path,
520 "org.freedesktop.systemd1.Unit",
521 "ActiveEnterTimestampMonotonic",
522 &activated_time);
523 if (r < 0) {
524 log_info_errno(r, "Could not get time to reach default.target, ignoring: %m");
525 activated_time = USEC_INFINITY;
526 }
527
528 ptr = buf;
529 size = sizeof(buf);
530
531 size = strpcpyf(&ptr, size, "Startup finished in ");
532 if (t->firmware_time > 0)
533 size = strpcpyf(&ptr, size, "%s (firmware) + ", format_timespan(ts, sizeof(ts), t->firmware_time - t->loader_time, USEC_PER_MSEC));
534 if (t->loader_time > 0)
535 size = strpcpyf(&ptr, size, "%s (loader) + ", format_timespan(ts, sizeof(ts), t->loader_time, USEC_PER_MSEC));
536 if (t->kernel_done_time > 0)
537 size = strpcpyf(&ptr, size, "%s (kernel) + ", format_timespan(ts, sizeof(ts), t->kernel_done_time, USEC_PER_MSEC));
538 if (t->initrd_time > 0)
539 size = strpcpyf(&ptr, size, "%s (initrd) + ", format_timespan(ts, sizeof(ts), t->userspace_time - t->initrd_time, USEC_PER_MSEC));
540
541 size = strpcpyf(&ptr, size, "%s (userspace) ", format_timespan(ts, sizeof(ts), t->finish_time - t->userspace_time, USEC_PER_MSEC));
542 if (t->kernel_done_time > 0)
543 strpcpyf(&ptr, size, "= %s ", format_timespan(ts, sizeof(ts), t->firmware_time + t->finish_time, USEC_PER_MSEC));
544
545 if (unit_id && timestamp_is_set(activated_time)) {
546 usec_t base = t->userspace_time > 0 ? t->userspace_time : t->reverse_offset;
547
548 size = strpcpyf(&ptr, size, "\n%s reached after %s in userspace", unit_id,
549 format_timespan(ts, sizeof(ts), activated_time - base, USEC_PER_MSEC));
550 } else if (unit_id && activated_time == 0)
551 size = strpcpyf(&ptr, size, "\n%s was never reached", unit_id);
552 else if (unit_id && activated_time == USEC_INFINITY)
553 size = strpcpyf(&ptr, size, "\nCould not get time to reach %s.", unit_id);
554 else if (!unit_id)
555 size = strpcpyf(&ptr, size, "\ncould not find default.target");
556
557 ptr = strdup(buf);
558 if (!ptr)
559 return log_oom();
560
561 *_buf = ptr;
562 return 0;
563 }
564
565 static void svg_graph_box(double height, double begin, double end) {
566 long long i;
567
568 /* outside box, fill */
569 svg("<rect class=\"box\" x=\"0\" y=\"0\" width=\"%.03f\" height=\"%.03f\" />\n",
570 SCALE_X * (end - begin),
571 SCALE_Y * height);
572
573 for (i = ((long long) (begin / 100000)) * 100000; i <= end; i += 100000) {
574 /* lines for each second */
575 if (i % 5000000 == 0)
576 svg(" <line class=\"sec5\" x1=\"%.03f\" y1=\"0\" x2=\"%.03f\" y2=\"%.03f\" />\n"
577 " <text class=\"sec\" x=\"%.03f\" y=\"%.03f\" >%.01fs</text>\n",
578 SCALE_X * i,
579 SCALE_X * i,
580 SCALE_Y * height,
581 SCALE_X * i,
582 -5.0,
583 0.000001 * i);
584 else if (i % 1000000 == 0)
585 svg(" <line class=\"sec1\" x1=\"%.03f\" y1=\"0\" x2=\"%.03f\" y2=\"%.03f\" />\n"
586 " <text class=\"sec\" x=\"%.03f\" y=\"%.03f\" >%.01fs</text>\n",
587 SCALE_X * i,
588 SCALE_X * i,
589 SCALE_Y * height,
590 SCALE_X * i,
591 -5.0,
592 0.000001 * i);
593 else
594 svg(" <line class=\"sec01\" x1=\"%.03f\" y1=\"0\" x2=\"%.03f\" y2=\"%.03f\" />\n",
595 SCALE_X * i,
596 SCALE_X * i,
597 SCALE_Y * height);
598 }
599 }
600
601 static int plot_unit_times(struct unit_times *u, double width, int y) {
602 char ts[FORMAT_TIMESPAN_MAX];
603 bool b;
604
605 if (!u->name)
606 return 0;
607
608 svg_bar("activating", u->activating, u->activated, y);
609 svg_bar("active", u->activated, u->deactivating, y);
610 svg_bar("deactivating", u->deactivating, u->deactivated, y);
611
612 /* place the text on the left if we have passed the half of the svg width */
613 b = u->activating * SCALE_X < width / 2;
614 if (u->time)
615 svg_text(b, u->activating, y, "%s (%s)",
616 u->name, format_timespan(ts, sizeof(ts), u->time, USEC_PER_MSEC));
617 else
618 svg_text(b, u->activating, y, "%s", u->name);
619
620 return 1;
621 }
622
623 static int analyze_plot(int argc, char *argv[], void *userdata) {
624 _cleanup_(free_host_infop) struct host_info *host = NULL;
625 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
626 _cleanup_(unit_times_freep) struct unit_times *times = NULL;
627 _cleanup_free_ char *pretty_times = NULL;
628 bool use_full_bus = arg_scope == UNIT_FILE_SYSTEM;
629 struct boot_times *boot;
630 struct unit_times *u;
631 int n, m = 1, y = 0, r;
632 double width;
633
634 r = acquire_bus(&bus, &use_full_bus);
635 if (r < 0)
636 return log_error_errno(r, "Failed to create bus connection: %m");
637
638 n = acquire_boot_times(bus, &boot);
639 if (n < 0)
640 return n;
641
642 n = pretty_boot_time(bus, &pretty_times);
643 if (n < 0)
644 return n;
645
646 if (use_full_bus || arg_scope != UNIT_FILE_SYSTEM) {
647 n = acquire_host_info(bus, &host);
648 if (n < 0)
649 return n;
650 }
651
652 n = acquire_time_data(bus, &times);
653 if (n <= 0)
654 return n;
655
656 typesafe_qsort(times, n, compare_unit_start);
657
658 width = SCALE_X * (boot->firmware_time + boot->finish_time);
659 if (width < 800.0)
660 width = 800.0;
661
662 if (boot->firmware_time > boot->loader_time)
663 m++;
664 if (boot->loader_time > 0) {
665 m++;
666 if (width < 1000.0)
667 width = 1000.0;
668 }
669 if (boot->initrd_time > 0)
670 m++;
671 if (boot->kernel_done_time > 0)
672 m++;
673
674 for (u = times; u->has_data; u++) {
675 double text_start, text_width;
676
677 if (u->activating > boot->finish_time) {
678 u->name = mfree(u->name);
679 continue;
680 }
681
682 /* If the text cannot fit on the left side then
683 * increase the svg width so it fits on the right.
684 * TODO: calculate the text width more accurately */
685 text_width = 8.0 * strlen(u->name);
686 text_start = (boot->firmware_time + u->activating) * SCALE_X;
687 if (text_width > text_start && text_width + text_start > width)
688 width = text_width + text_start;
689
690 if (u->deactivated > u->activating &&
691 u->deactivated <= boot->finish_time &&
692 u->activated == 0 && u->deactivating == 0)
693 u->activated = u->deactivating = u->deactivated;
694 if (u->activated < u->activating || u->activated > boot->finish_time)
695 u->activated = boot->finish_time;
696 if (u->deactivating < u->activated || u->deactivating > boot->finish_time)
697 u->deactivating = boot->finish_time;
698 if (u->deactivated < u->deactivating || u->deactivated > boot->finish_time)
699 u->deactivated = boot->finish_time;
700 m++;
701 }
702
703 svg("<?xml version=\"1.0\" standalone=\"no\"?>\n"
704 "<!DOCTYPE svg PUBLIC \"-//W3C//DTD SVG 1.1//EN\" "
705 "\"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd\">\n");
706
707 svg("<svg width=\"%.0fpx\" height=\"%.0fpx\" version=\"1.1\" "
708 "xmlns=\"http://www.w3.org/2000/svg\">\n\n",
709 80.0 + width, 150.0 + (m * SCALE_Y) +
710 5 * SCALE_Y /* legend */);
711
712 /* write some basic info as a comment, including some help */
713 svg("<!-- This file is a systemd-analyze SVG file. It is best rendered in a -->\n"
714 "<!-- browser such as Chrome, Chromium or Firefox. Other applications -->\n"
715 "<!-- that render these files properly but much slower are ImageMagick, -->\n"
716 "<!-- gimp, inkscape, etc. To display the files on your system, just -->\n"
717 "<!-- point your browser to this file. -->\n\n"
718 "<!-- This plot was generated by systemd-analyze version %-16.16s -->\n\n", GIT_VERSION);
719
720 /* style sheet */
721 svg("<defs>\n <style type=\"text/css\">\n <![CDATA[\n"
722 " rect { stroke-width: 1; stroke-opacity: 0; }\n"
723 " rect.background { fill: rgb(255,255,255); }\n"
724 " rect.activating { fill: rgb(255,0,0); fill-opacity: 0.7; }\n"
725 " rect.active { fill: rgb(200,150,150); fill-opacity: 0.7; }\n"
726 " rect.deactivating { fill: rgb(150,100,100); fill-opacity: 0.7; }\n"
727 " rect.kernel { fill: rgb(150,150,150); fill-opacity: 0.7; }\n"
728 " rect.initrd { fill: rgb(150,150,150); fill-opacity: 0.7; }\n"
729 " rect.firmware { fill: rgb(150,150,150); fill-opacity: 0.7; }\n"
730 " rect.loader { fill: rgb(150,150,150); fill-opacity: 0.7; }\n"
731 " rect.userspace { fill: rgb(150,150,150); fill-opacity: 0.7; }\n"
732 " rect.security { fill: rgb(144,238,144); fill-opacity: 0.7; }\n"
733 " rect.generators { fill: rgb(102,204,255); fill-opacity: 0.7; }\n"
734 " rect.unitsload { fill: rgb( 82,184,255); fill-opacity: 0.7; }\n"
735 " rect.box { fill: rgb(240,240,240); stroke: rgb(192,192,192); }\n"
736 " line { stroke: rgb(64,64,64); stroke-width: 1; }\n"
737 "// line.sec1 { }\n"
738 " line.sec5 { stroke-width: 2; }\n"
739 " line.sec01 { stroke: rgb(224,224,224); stroke-width: 1; }\n"
740 " text { font-family: Verdana, Helvetica; font-size: 14px; }\n"
741 " text.left { font-family: Verdana, Helvetica; font-size: 14px; text-anchor: start; }\n"
742 " text.right { font-family: Verdana, Helvetica; font-size: 14px; text-anchor: end; }\n"
743 " text.sec { font-size: 10px; }\n"
744 " ]]>\n </style>\n</defs>\n\n");
745
746 svg("<rect class=\"background\" width=\"100%%\" height=\"100%%\" />\n");
747 svg("<text x=\"20\" y=\"50\">%s</text>", pretty_times);
748 if (host)
749 svg("<text x=\"20\" y=\"30\">%s %s (%s %s %s) %s %s</text>",
750 isempty(host->os_pretty_name) ? "Linux" : host->os_pretty_name,
751 strempty(host->hostname),
752 strempty(host->kernel_name),
753 strempty(host->kernel_release),
754 strempty(host->kernel_version),
755 strempty(host->architecture),
756 strempty(host->virtualization));
757
758 svg("<g transform=\"translate(%.3f,100)\">\n", 20.0 + (SCALE_X * boot->firmware_time));
759 svg_graph_box(m, -(double) boot->firmware_time, boot->finish_time);
760
761 if (boot->firmware_time > 0) {
762 svg_bar("firmware", -(double) boot->firmware_time, -(double) boot->loader_time, y);
763 svg_text(true, -(double) boot->firmware_time, y, "firmware");
764 y++;
765 }
766 if (boot->loader_time > 0) {
767 svg_bar("loader", -(double) boot->loader_time, 0, y);
768 svg_text(true, -(double) boot->loader_time, y, "loader");
769 y++;
770 }
771 if (boot->kernel_done_time > 0) {
772 svg_bar("kernel", 0, boot->kernel_done_time, y);
773 svg_text(true, 0, y, "kernel");
774 y++;
775 }
776 if (boot->initrd_time > 0) {
777 svg_bar("initrd", boot->initrd_time, boot->userspace_time, y);
778 if (boot->initrd_security_start_time < boot->initrd_security_finish_time)
779 svg_bar("security", boot->initrd_security_start_time, boot->initrd_security_finish_time, y);
780 if (boot->initrd_generators_start_time < boot->initrd_generators_finish_time)
781 svg_bar("generators", boot->initrd_generators_start_time, boot->initrd_generators_finish_time, y);
782 if (boot->initrd_unitsload_start_time < boot->initrd_unitsload_finish_time)
783 svg_bar("unitsload", boot->initrd_unitsload_start_time, boot->initrd_unitsload_finish_time, y);
784 svg_text(true, boot->initrd_time, y, "initrd");
785 y++;
786 }
787
788 for (u = times; u->has_data; u++) {
789 if (u->activating >= boot->userspace_time)
790 break;
791
792 y += plot_unit_times(u, width, y);
793 }
794
795 svg_bar("active", boot->userspace_time, boot->finish_time, y);
796 if (boot->security_start_time > 0)
797 svg_bar("security", boot->security_start_time, boot->security_finish_time, y);
798 svg_bar("generators", boot->generators_start_time, boot->generators_finish_time, y);
799 svg_bar("unitsload", boot->unitsload_start_time, boot->unitsload_finish_time, y);
800 svg_text(true, boot->userspace_time, y, "systemd");
801 y++;
802
803 for (; u->has_data; u++)
804 y += plot_unit_times(u, width, y);
805
806 svg("</g>\n");
807
808 /* Legend */
809 svg("<g transform=\"translate(20,100)\">\n");
810 y++;
811 svg_bar("activating", 0, 300000, y);
812 svg_text(true, 400000, y, "Activating");
813 y++;
814 svg_bar("active", 0, 300000, y);
815 svg_text(true, 400000, y, "Active");
816 y++;
817 svg_bar("deactivating", 0, 300000, y);
818 svg_text(true, 400000, y, "Deactivating");
819 y++;
820 if (boot->security_start_time > 0) {
821 svg_bar("security", 0, 300000, y);
822 svg_text(true, 400000, y, "Setting up security module");
823 y++;
824 }
825 svg_bar("generators", 0, 300000, y);
826 svg_text(true, 400000, y, "Generators");
827 y++;
828 svg_bar("unitsload", 0, 300000, y);
829 svg_text(true, 400000, y, "Loading unit files");
830 y++;
831
832 svg("</g>\n\n");
833
834 svg("</svg>\n");
835
836 return 0;
837 }
838
839 static int list_dependencies_print(
840 const char *name,
841 unsigned level,
842 unsigned branches,
843 bool last,
844 struct unit_times *times,
845 struct boot_times *boot) {
846
847 unsigned i;
848 char ts[FORMAT_TIMESPAN_MAX], ts2[FORMAT_TIMESPAN_MAX];
849
850 for (i = level; i != 0; i--)
851 printf("%s", special_glyph(branches & (1 << (i-1)) ? SPECIAL_GLYPH_TREE_VERTICAL : SPECIAL_GLYPH_TREE_SPACE));
852
853 printf("%s", special_glyph(last ? SPECIAL_GLYPH_TREE_RIGHT : SPECIAL_GLYPH_TREE_BRANCH));
854
855 if (times) {
856 if (times->time > 0)
857 printf("%s%s @%s +%s%s", ansi_highlight_red(), name,
858 format_timespan(ts, sizeof(ts), times->activating - boot->userspace_time, USEC_PER_MSEC),
859 format_timespan(ts2, sizeof(ts2), times->time, USEC_PER_MSEC), ansi_normal());
860 else if (times->activated > boot->userspace_time)
861 printf("%s @%s", name, format_timespan(ts, sizeof(ts), times->activated - boot->userspace_time, USEC_PER_MSEC));
862 else
863 printf("%s", name);
864 } else
865 printf("%s", name);
866 printf("\n");
867
868 return 0;
869 }
870
871 static int list_dependencies_get_dependencies(sd_bus *bus, const char *name, char ***deps) {
872 _cleanup_free_ char *path = NULL;
873
874 assert(bus);
875 assert(name);
876 assert(deps);
877
878 path = unit_dbus_path_from_name(name);
879 if (!path)
880 return -ENOMEM;
881
882 return bus_get_unit_property_strv(bus, path, "After", deps);
883 }
884
885 static Hashmap *unit_times_hashmap;
886
887 static int list_dependencies_compare(char *const *a, char *const *b) {
888 usec_t usa = 0, usb = 0;
889 struct unit_times *times;
890
891 times = hashmap_get(unit_times_hashmap, *a);
892 if (times)
893 usa = times->activated;
894 times = hashmap_get(unit_times_hashmap, *b);
895 if (times)
896 usb = times->activated;
897
898 return CMP(usb, usa);
899 }
900
901 static bool times_in_range(const struct unit_times *times, const struct boot_times *boot) {
902 return times && times->activated > 0 && times->activated <= boot->finish_time;
903 }
904
905 static int list_dependencies_one(sd_bus *bus, const char *name, unsigned level, char ***units, unsigned branches) {
906 _cleanup_strv_free_ char **deps = NULL;
907 char **c;
908 int r = 0;
909 usec_t service_longest = 0;
910 int to_print = 0;
911 struct unit_times *times;
912 struct boot_times *boot;
913
914 if (strv_extend(units, name))
915 return log_oom();
916
917 r = list_dependencies_get_dependencies(bus, name, &deps);
918 if (r < 0)
919 return r;
920
921 typesafe_qsort(deps, strv_length(deps), list_dependencies_compare);
922
923 r = acquire_boot_times(bus, &boot);
924 if (r < 0)
925 return r;
926
927 STRV_FOREACH(c, deps) {
928 times = hashmap_get(unit_times_hashmap, *c);
929 if (times_in_range(times, boot) && times->activated >= service_longest)
930 service_longest = times->activated;
931 }
932
933 if (service_longest == 0)
934 return r;
935
936 STRV_FOREACH(c, deps) {
937 times = hashmap_get(unit_times_hashmap, *c);
938 if (times_in_range(times, boot) && service_longest - times->activated <= arg_fuzz)
939 to_print++;
940 }
941
942 if (!to_print)
943 return r;
944
945 STRV_FOREACH(c, deps) {
946 times = hashmap_get(unit_times_hashmap, *c);
947 if (!times_in_range(times, boot) || service_longest - times->activated > arg_fuzz)
948 continue;
949
950 to_print--;
951
952 r = list_dependencies_print(*c, level, branches, to_print == 0, times, boot);
953 if (r < 0)
954 return r;
955
956 if (strv_contains(*units, *c)) {
957 r = list_dependencies_print("...", level + 1, (branches << 1) | (to_print ? 1 : 0),
958 true, NULL, boot);
959 if (r < 0)
960 return r;
961 continue;
962 }
963
964 r = list_dependencies_one(bus, *c, level + 1, units, (branches << 1) | (to_print ? 1 : 0));
965 if (r < 0)
966 return r;
967
968 if (to_print == 0)
969 break;
970 }
971 return 0;
972 }
973
974 static int list_dependencies(sd_bus *bus, const char *name) {
975 _cleanup_strv_free_ char **units = NULL;
976 char ts[FORMAT_TIMESPAN_MAX];
977 struct unit_times *times;
978 int r;
979 const char *id;
980 _cleanup_free_ char *path = NULL;
981 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
982 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
983 struct boot_times *boot;
984
985 assert(bus);
986
987 path = unit_dbus_path_from_name(name);
988 if (!path)
989 return -ENOMEM;
990
991 r = sd_bus_get_property(
992 bus,
993 "org.freedesktop.systemd1",
994 path,
995 "org.freedesktop.systemd1.Unit",
996 "Id",
997 &error,
998 &reply,
999 "s");
1000 if (r < 0)
1001 return log_error_errno(r, "Failed to get ID: %s", bus_error_message(&error, r));
1002
1003 r = sd_bus_message_read(reply, "s", &id);
1004 if (r < 0)
1005 return bus_log_parse_error(r);
1006
1007 times = hashmap_get(unit_times_hashmap, id);
1008
1009 r = acquire_boot_times(bus, &boot);
1010 if (r < 0)
1011 return r;
1012
1013 if (times) {
1014 if (times->time)
1015 printf("%s%s +%s%s\n", ansi_highlight_red(), id,
1016 format_timespan(ts, sizeof(ts), times->time, USEC_PER_MSEC), ansi_normal());
1017 else if (times->activated > boot->userspace_time)
1018 printf("%s @%s\n", id, format_timespan(ts, sizeof(ts), times->activated - boot->userspace_time, USEC_PER_MSEC));
1019 else
1020 printf("%s\n", id);
1021 }
1022
1023 return list_dependencies_one(bus, name, 0, &units, 0);
1024 }
1025
1026 static int analyze_critical_chain(int argc, char *argv[], void *userdata) {
1027 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
1028 _cleanup_(unit_times_freep) struct unit_times *times = NULL;
1029 struct unit_times *u;
1030 Hashmap *h;
1031 int n, r;
1032
1033 r = acquire_bus(&bus, NULL);
1034 if (r < 0)
1035 return log_error_errno(r, "Failed to create bus connection: %m");
1036
1037 n = acquire_time_data(bus, &times);
1038 if (n <= 0)
1039 return n;
1040
1041 h = hashmap_new(&string_hash_ops);
1042 if (!h)
1043 return log_oom();
1044
1045 for (u = times; u->has_data; u++) {
1046 r = hashmap_put(h, u->name, u);
1047 if (r < 0)
1048 return log_error_errno(r, "Failed to add entry to hashmap: %m");
1049 }
1050 unit_times_hashmap = h;
1051
1052 (void) pager_open(arg_pager_flags);
1053
1054 puts("The time when unit became active or started is printed after the \"@\" character.\n"
1055 "The time the unit took to start is printed after the \"+\" character.\n");
1056
1057 if (argc > 1) {
1058 char **name;
1059 STRV_FOREACH(name, strv_skip(argv, 1))
1060 list_dependencies(bus, *name);
1061 } else
1062 list_dependencies(bus, SPECIAL_DEFAULT_TARGET);
1063
1064 h = hashmap_free(h);
1065 return 0;
1066 }
1067
1068 static int analyze_blame(int argc, char *argv[], void *userdata) {
1069 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
1070 _cleanup_(unit_times_freep) struct unit_times *times = NULL;
1071 _cleanup_(table_unrefp) Table *table = NULL;
1072 struct unit_times *u;
1073 TableCell *cell;
1074 int n, 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 n = acquire_time_data(bus, &times);
1081 if (n <= 0)
1082 return n;
1083
1084 table = table_new("time", "unit");
1085 if (!table)
1086 return log_oom();
1087
1088 table_set_header(table, false);
1089
1090 assert_se(cell = table_get_cell(table, 0, 0));
1091 r = table_set_ellipsize_percent(table, cell, 100);
1092 if (r < 0)
1093 return r;
1094
1095 r = table_set_align_percent(table, cell, 100);
1096 if (r < 0)
1097 return r;
1098
1099 assert_se(cell = table_get_cell(table, 0, 1));
1100 r = table_set_ellipsize_percent(table, cell, 100);
1101 if (r < 0)
1102 return r;
1103
1104 r = table_set_sort(table, 0, SIZE_MAX);
1105 if (r < 0)
1106 return r;
1107
1108 r = table_set_reverse(table, 0, true);
1109 if (r < 0)
1110 return r;
1111
1112 for (u = times; u->has_data; u++) {
1113 if (u->time <= 0)
1114 continue;
1115
1116 r = table_add_cell(table, NULL, TABLE_TIMESPAN_MSEC, &u->time);
1117 if (r < 0)
1118 return r;
1119
1120 r = table_add_cell(table, NULL, TABLE_STRING, u->name);
1121 if (r < 0)
1122 return r;
1123 }
1124
1125 (void) pager_open(arg_pager_flags);
1126
1127 return table_print(table, NULL);
1128 }
1129
1130 static int analyze_time(int argc, char *argv[], void *userdata) {
1131 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
1132 _cleanup_free_ char *buf = NULL;
1133 int r;
1134
1135 r = acquire_bus(&bus, NULL);
1136 if (r < 0)
1137 return log_error_errno(r, "Failed to create bus connection: %m");
1138
1139 r = pretty_boot_time(bus, &buf);
1140 if (r < 0)
1141 return r;
1142
1143 puts(buf);
1144 return 0;
1145 }
1146
1147 static int graph_one_property(
1148 sd_bus *bus,
1149 const UnitInfo *u,
1150 const char *prop,
1151 const char *color,
1152 char *patterns[],
1153 char *from_patterns[],
1154 char *to_patterns[]) {
1155
1156 _cleanup_strv_free_ char **units = NULL;
1157 char **unit;
1158 int r;
1159 bool match_patterns;
1160
1161 assert(u);
1162 assert(prop);
1163 assert(color);
1164
1165 match_patterns = strv_fnmatch(patterns, u->id, 0);
1166
1167 if (!strv_isempty(from_patterns) && !match_patterns && !strv_fnmatch(from_patterns, u->id, 0))
1168 return 0;
1169
1170 r = bus_get_unit_property_strv(bus, u->unit_path, prop, &units);
1171 if (r < 0)
1172 return r;
1173
1174 STRV_FOREACH(unit, units) {
1175 bool match_patterns2;
1176
1177 match_patterns2 = strv_fnmatch(patterns, *unit, 0);
1178
1179 if (!strv_isempty(to_patterns) && !match_patterns2 && !strv_fnmatch(to_patterns, *unit, 0))
1180 continue;
1181
1182 if (!strv_isempty(patterns) && !match_patterns && !match_patterns2)
1183 continue;
1184
1185 printf("\t\"%s\"->\"%s\" [color=\"%s\"];\n", u->id, *unit, color);
1186 }
1187
1188 return 0;
1189 }
1190
1191 static int graph_one(sd_bus *bus, const UnitInfo *u, char *patterns[], char *from_patterns[], char *to_patterns[]) {
1192 int r;
1193
1194 assert(bus);
1195 assert(u);
1196
1197 if (IN_SET(arg_dot, DEP_ORDER, DEP_ALL)) {
1198 r = graph_one_property(bus, u, "After", "green", patterns, from_patterns, to_patterns);
1199 if (r < 0)
1200 return r;
1201 }
1202
1203 if (IN_SET(arg_dot, DEP_REQUIRE, DEP_ALL)) {
1204 r = graph_one_property(bus, u, "Requires", "black", patterns, from_patterns, to_patterns);
1205 if (r < 0)
1206 return r;
1207 r = graph_one_property(bus, u, "Requisite", "darkblue", patterns, from_patterns, to_patterns);
1208 if (r < 0)
1209 return r;
1210 r = graph_one_property(bus, u, "Wants", "grey66", patterns, from_patterns, to_patterns);
1211 if (r < 0)
1212 return r;
1213 r = graph_one_property(bus, u, "Conflicts", "red", patterns, from_patterns, to_patterns);
1214 if (r < 0)
1215 return r;
1216 }
1217
1218 return 0;
1219 }
1220
1221 static int expand_patterns(sd_bus *bus, char **patterns, char ***ret) {
1222 _cleanup_strv_free_ char **expanded_patterns = NULL;
1223 char **pattern;
1224 int r;
1225
1226 STRV_FOREACH(pattern, patterns) {
1227 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1228 _cleanup_free_ char *unit = NULL, *unit_id = NULL;
1229
1230 if (strv_extend(&expanded_patterns, *pattern) < 0)
1231 return log_oom();
1232
1233 if (string_is_glob(*pattern))
1234 continue;
1235
1236 unit = unit_dbus_path_from_name(*pattern);
1237 if (!unit)
1238 return log_oom();
1239
1240 r = sd_bus_get_property_string(
1241 bus,
1242 "org.freedesktop.systemd1",
1243 unit,
1244 "org.freedesktop.systemd1.Unit",
1245 "Id",
1246 &error,
1247 &unit_id);
1248 if (r < 0)
1249 return log_error_errno(r, "Failed to get ID: %s", bus_error_message(&error, r));
1250
1251 if (!streq(*pattern, unit_id)) {
1252 if (strv_extend(&expanded_patterns, unit_id) < 0)
1253 return log_oom();
1254 }
1255 }
1256
1257 *ret = expanded_patterns;
1258 expanded_patterns = NULL; /* do not free */
1259
1260 return 0;
1261 }
1262
1263 static int dot(int argc, char *argv[], void *userdata) {
1264 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
1265 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1266 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
1267 _cleanup_strv_free_ char **expanded_patterns = NULL;
1268 _cleanup_strv_free_ char **expanded_from_patterns = NULL;
1269 _cleanup_strv_free_ char **expanded_to_patterns = NULL;
1270 int r;
1271 UnitInfo u;
1272
1273 r = acquire_bus(&bus, NULL);
1274 if (r < 0)
1275 return log_error_errno(r, "Failed to create bus connection: %m");
1276
1277 r = expand_patterns(bus, strv_skip(argv, 1), &expanded_patterns);
1278 if (r < 0)
1279 return r;
1280
1281 r = expand_patterns(bus, arg_dot_from_patterns, &expanded_from_patterns);
1282 if (r < 0)
1283 return r;
1284
1285 r = expand_patterns(bus, arg_dot_to_patterns, &expanded_to_patterns);
1286 if (r < 0)
1287 return r;
1288
1289 r = sd_bus_call_method(
1290 bus,
1291 "org.freedesktop.systemd1",
1292 "/org/freedesktop/systemd1",
1293 "org.freedesktop.systemd1.Manager",
1294 "ListUnits",
1295 &error,
1296 &reply,
1297 "");
1298 if (r < 0)
1299 log_error_errno(r, "Failed to list units: %s", bus_error_message(&error, r));
1300
1301 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssssssouso)");
1302 if (r < 0)
1303 return bus_log_parse_error(r);
1304
1305 printf("digraph systemd {\n");
1306
1307 while ((r = bus_parse_unit_info(reply, &u)) > 0) {
1308
1309 r = graph_one(bus, &u, expanded_patterns, expanded_from_patterns, expanded_to_patterns);
1310 if (r < 0)
1311 return r;
1312 }
1313 if (r < 0)
1314 return bus_log_parse_error(r);
1315
1316 printf("}\n");
1317
1318 log_info(" Color legend: black = Requires\n"
1319 " dark blue = Requisite\n"
1320 " dark grey = Wants\n"
1321 " red = Conflicts\n"
1322 " green = After\n");
1323
1324 if (on_tty())
1325 log_notice("-- You probably want to process this output with graphviz' dot tool.\n"
1326 "-- Try a shell pipeline like 'systemd-analyze dot | dot -Tsvg > systemd.svg'!\n");
1327
1328 return 0;
1329 }
1330
1331 static int dump_fallback(sd_bus *bus) {
1332 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1333 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
1334 const char *text = NULL;
1335 int r;
1336
1337 assert(bus);
1338
1339 r = sd_bus_call_method(
1340 bus,
1341 "org.freedesktop.systemd1",
1342 "/org/freedesktop/systemd1",
1343 "org.freedesktop.systemd1.Manager",
1344 "Dump",
1345 &error,
1346 &reply,
1347 NULL);
1348 if (r < 0)
1349 return log_error_errno(r, "Failed to issue method call Dump: %s", bus_error_message(&error, r));
1350
1351 r = sd_bus_message_read(reply, "s", &text);
1352 if (r < 0)
1353 return bus_log_parse_error(r);
1354
1355 fputs(text, stdout);
1356 return 0;
1357 }
1358
1359 static int dump(int argc, char *argv[], void *userdata) {
1360 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1361 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
1362 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
1363 int fd = -1;
1364 int r;
1365
1366 r = acquire_bus(&bus, NULL);
1367 if (r < 0)
1368 return log_error_errno(r, "Failed to create bus connection: %m");
1369
1370 (void) pager_open(arg_pager_flags);
1371
1372 if (!sd_bus_can_send(bus, SD_BUS_TYPE_UNIX_FD))
1373 return dump_fallback(bus);
1374
1375 r = sd_bus_call_method(
1376 bus,
1377 "org.freedesktop.systemd1",
1378 "/org/freedesktop/systemd1",
1379 "org.freedesktop.systemd1.Manager",
1380 "DumpByFileDescriptor",
1381 &error,
1382 &reply,
1383 NULL);
1384 if (r < 0) {
1385 /* fall back to Dump if DumpByFileDescriptor is not supported */
1386 if (!IN_SET(r, -EACCES, -EBADR))
1387 return log_error_errno(r, "Failed to issue method call DumpByFileDescriptor: %s",
1388 bus_error_message(&error, r));
1389
1390 return dump_fallback(bus);
1391 }
1392
1393 r = sd_bus_message_read(reply, "h", &fd);
1394 if (r < 0)
1395 return bus_log_parse_error(r);
1396
1397 fflush(stdout);
1398 return copy_bytes(fd, STDOUT_FILENO, (uint64_t) -1, 0);
1399 }
1400
1401 static int cat_config(int argc, char *argv[], void *userdata) {
1402 char **arg, **list;
1403 int r;
1404
1405 (void) pager_open(arg_pager_flags);
1406
1407 list = strv_skip(argv, 1);
1408 STRV_FOREACH(arg, list) {
1409 const char *t = NULL;
1410
1411 if (arg != list)
1412 print_separator();
1413
1414 if (path_is_absolute(*arg)) {
1415 const char *dir;
1416
1417 NULSTR_FOREACH(dir, CONF_PATHS_NULSTR("")) {
1418 t = path_startswith(*arg, dir);
1419 if (t)
1420 break;
1421 }
1422
1423 if (!t)
1424 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
1425 "Path %s does not start with any known prefix.", *arg);
1426 } else
1427 t = *arg;
1428
1429 r = conf_files_cat(arg_root, t);
1430 if (r < 0)
1431 return r;
1432 }
1433
1434 return 0;
1435 }
1436
1437 static int set_log_level(int argc, char *argv[], void *userdata) {
1438 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1439 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
1440 int r;
1441
1442 assert(argc == 2);
1443 assert(argv);
1444
1445 r = acquire_bus(&bus, NULL);
1446 if (r < 0)
1447 return log_error_errno(r, "Failed to create bus connection: %m");
1448
1449 r = sd_bus_set_property(
1450 bus,
1451 "org.freedesktop.systemd1",
1452 "/org/freedesktop/systemd1",
1453 "org.freedesktop.systemd1.Manager",
1454 "LogLevel",
1455 &error,
1456 "s",
1457 argv[1]);
1458 if (r < 0)
1459 return log_error_errno(r, "Failed to issue method call: %s", bus_error_message(&error, r));
1460
1461 return 0;
1462 }
1463
1464 static int get_log_level(int argc, char *argv[], void *userdata) {
1465 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1466 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
1467 _cleanup_free_ char *level = NULL;
1468 int r;
1469
1470 r = acquire_bus(&bus, NULL);
1471 if (r < 0)
1472 return log_error_errno(r, "Failed to create bus connection: %m");
1473
1474 r = sd_bus_get_property_string(
1475 bus,
1476 "org.freedesktop.systemd1",
1477 "/org/freedesktop/systemd1",
1478 "org.freedesktop.systemd1.Manager",
1479 "LogLevel",
1480 &error,
1481 &level);
1482 if (r < 0)
1483 return log_error_errno(r, "Failed to get log level: %s", bus_error_message(&error, r));
1484
1485 puts(level);
1486 return 0;
1487 }
1488
1489 static int get_or_set_log_level(int argc, char *argv[], void *userdata) {
1490 return (argc == 1) ? get_log_level(argc, argv, userdata) : set_log_level(argc, argv, userdata);
1491 }
1492
1493 static int set_log_target(int argc, char *argv[], void *userdata) {
1494 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1495 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
1496 int r;
1497
1498 assert(argc == 2);
1499 assert(argv);
1500
1501 r = acquire_bus(&bus, NULL);
1502 if (r < 0)
1503 return log_error_errno(r, "Failed to create bus connection: %m");
1504
1505 r = sd_bus_set_property(
1506 bus,
1507 "org.freedesktop.systemd1",
1508 "/org/freedesktop/systemd1",
1509 "org.freedesktop.systemd1.Manager",
1510 "LogTarget",
1511 &error,
1512 "s",
1513 argv[1]);
1514 if (r < 0)
1515 return log_error_errno(r, "Failed to issue method call: %s", bus_error_message(&error, r));
1516
1517 return 0;
1518 }
1519
1520 static int get_log_target(int argc, char *argv[], void *userdata) {
1521 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1522 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
1523 _cleanup_free_ char *target = NULL;
1524 int r;
1525
1526 r = acquire_bus(&bus, NULL);
1527 if (r < 0)
1528 return log_error_errno(r, "Failed to create bus connection: %m");
1529
1530 r = sd_bus_get_property_string(
1531 bus,
1532 "org.freedesktop.systemd1",
1533 "/org/freedesktop/systemd1",
1534 "org.freedesktop.systemd1.Manager",
1535 "LogTarget",
1536 &error,
1537 &target);
1538 if (r < 0)
1539 return log_error_errno(r, "Failed to get log target: %s", bus_error_message(&error, r));
1540
1541 puts(target);
1542 return 0;
1543 }
1544
1545 static int get_or_set_log_target(int argc, char *argv[], void *userdata) {
1546 return (argc == 1) ? get_log_target(argc, argv, userdata) : set_log_target(argc, argv, userdata);
1547 }
1548
1549 static int dump_unit_paths(int argc, char *argv[], void *userdata) {
1550 _cleanup_(lookup_paths_free) LookupPaths paths = {};
1551 int r;
1552 char **p;
1553
1554 r = lookup_paths_init(&paths, arg_scope, 0, NULL);
1555 if (r < 0)
1556 return log_error_errno(r, "lookup_paths_init() failed: %m");
1557
1558 STRV_FOREACH(p, paths.search_path)
1559 puts(*p);
1560
1561 return 0;
1562 }
1563
1564 #if HAVE_SECCOMP
1565
1566 static int load_kernel_syscalls(Set **ret) {
1567 _cleanup_(set_free_freep) Set *syscalls = NULL;
1568 _cleanup_fclose_ FILE *f = NULL;
1569 int r;
1570
1571 /* Let's read the available system calls from the list of available tracing events. Slightly dirty,
1572 * but good enough for analysis purposes. */
1573
1574 f = fopen("/sys/kernel/tracing/available_events", "re");
1575 if (!f) {
1576 /* We tried the non-debugfs mount point and that didn't work. If it wasn't mounted, maybe the
1577 * old debugfs mount point works? */
1578 f = fopen("/sys/kernel/debug/tracing/available_events", "re");
1579 if (!f)
1580 return log_full_errno(IN_SET(errno, EPERM, EACCES, ENOENT) ? LOG_DEBUG : LOG_WARNING, errno,
1581 "Can't read open tracefs' available_events file: %m");
1582 }
1583
1584 for (;;) {
1585 _cleanup_free_ char *line = NULL;
1586 const char *e;
1587
1588 r = read_line(f, LONG_LINE_MAX, &line);
1589 if (r < 0)
1590 return log_error_errno(r, "Failed to read system call list: %m");
1591 if (r == 0)
1592 break;
1593
1594 e = startswith(line, "syscalls:sys_enter_");
1595 if (!e)
1596 continue;
1597
1598 /* These are named differently inside the kernel than their external name for historical
1599 * reasons. Let's hide them here. */
1600 if (STR_IN_SET(e, "newuname", "newfstat", "newstat", "newlstat", "sysctl"))
1601 continue;
1602
1603 r = set_ensure_allocated(&syscalls, &string_hash_ops);
1604 if (r < 0)
1605 return log_oom();
1606
1607 r = set_put_strdup(syscalls, e);
1608 if (r < 0)
1609 return log_error_errno(r, "Failed to add system call to list: %m");
1610 }
1611
1612 *ret = TAKE_PTR(syscalls);
1613 return 0;
1614 }
1615
1616 static void kernel_syscalls_remove(Set *s, const SyscallFilterSet *set) {
1617 const char *syscall;
1618
1619 NULSTR_FOREACH(syscall, set->value) {
1620 if (syscall[0] == '@')
1621 continue;
1622
1623 (void) set_remove(s, syscall);
1624 }
1625 }
1626
1627 static void dump_syscall_filter(const SyscallFilterSet *set) {
1628 const char *syscall;
1629
1630 printf("%s%s%s\n"
1631 " # %s\n",
1632 ansi_highlight(),
1633 set->name,
1634 ansi_normal(),
1635 set->help);
1636
1637 NULSTR_FOREACH(syscall, set->value)
1638 printf(" %s%s%s\n", syscall[0] == '@' ? ansi_underline() : "", syscall, ansi_normal());
1639 }
1640
1641 static int dump_exit_codes(int argc, char *argv[], void *userdata) {
1642 _cleanup_(table_unrefp) Table *table = NULL;
1643 int r;
1644
1645 table = table_new("name", "code", "class");
1646 if (!table)
1647 return log_oom();
1648
1649 if (strv_isempty(strv_skip(argv, 1)))
1650 for (size_t i = 0; i < ELEMENTSOF(exit_status_mappings); i++) {
1651 if (!exit_status_mappings[i].name)
1652 continue;
1653
1654 r = table_add_many(table,
1655 TABLE_STRING, exit_status_mappings[i].name,
1656 TABLE_UINT, i,
1657 TABLE_STRING, exit_status_class(i));
1658 if (r < 0)
1659 return r;
1660 }
1661 else
1662 for (int i = 1; i < argc; i++) {
1663 int code;
1664
1665 code = exit_status_from_string(argv[i]);
1666 if (code < 0)
1667 return log_error_errno(r, "Invalid exit code \"%s\": %m", argv[i]);
1668
1669 assert(code >= 0 && (size_t) code < ELEMENTSOF(exit_status_mappings));
1670 r = table_add_many(table,
1671 TABLE_STRING, exit_status_mappings[code].name ?: "-",
1672 TABLE_UINT, code,
1673 TABLE_STRING, exit_status_class(code) ?: "-");
1674 if (r < 0)
1675 return r;
1676 }
1677
1678 (void) pager_open(arg_pager_flags);
1679
1680 return table_print(table, NULL);
1681 }
1682
1683 static int dump_syscall_filters(int argc, char *argv[], void *userdata) {
1684 bool first = true;
1685
1686 (void) pager_open(arg_pager_flags);
1687
1688 if (strv_isempty(strv_skip(argv, 1))) {
1689 _cleanup_(set_free_freep) Set *kernel = NULL;
1690 int i, k;
1691
1692 k = load_kernel_syscalls(&kernel);
1693
1694 for (i = 0; i < _SYSCALL_FILTER_SET_MAX; i++) {
1695 const SyscallFilterSet *set = syscall_filter_sets + i;
1696 if (!first)
1697 puts("");
1698
1699 dump_syscall_filter(set);
1700 kernel_syscalls_remove(kernel, set);
1701 first = false;
1702 }
1703
1704 if (k < 0) {
1705 fputc('\n', stdout);
1706 fflush(stdout);
1707 log_notice_errno(k, "# Not showing unlisted system calls, couldn't retrieve kernel system call list: %m");
1708 } else if (!set_isempty(kernel)) {
1709 const char *syscall;
1710 Iterator j;
1711
1712 printf("\n"
1713 "# %sUnlisted System Calls%s (supported by the local kernel, but not included in any of the groups listed above):\n",
1714 ansi_highlight(), ansi_normal());
1715
1716 SET_FOREACH(syscall, kernel, j)
1717 printf("# %s\n", syscall);
1718 }
1719 } else {
1720 char **name;
1721
1722 STRV_FOREACH(name, strv_skip(argv, 1)) {
1723 const SyscallFilterSet *set;
1724
1725 if (!first)
1726 puts("");
1727
1728 set = syscall_filter_set_find(*name);
1729 if (!set) {
1730 /* make sure the error appears below normal output */
1731 fflush(stdout);
1732
1733 return log_error_errno(SYNTHETIC_ERRNO(ENOENT),
1734 "Filter set \"%s\" not found.", *name);
1735 }
1736
1737 dump_syscall_filter(set);
1738 first = false;
1739 }
1740 }
1741
1742 return 0;
1743 }
1744
1745 #else
1746 static int dump_syscall_filters(int argc, char *argv[], void *userdata) {
1747 return log_error_errno(SYNTHETIC_ERRNO(EOPNOTSUPP), "Not compiled with syscall filters, sorry.");
1748 }
1749 #endif
1750
1751 static void parsing_hint(const char *p, bool calendar, bool timestamp, bool timespan) {
1752 if (calendar && calendar_spec_from_string(p, NULL) >= 0)
1753 log_notice("Hint: this expression is a valid calendar specification. "
1754 "Use 'systemd-analyze calendar \"%s\"' instead?", p);
1755 if (timestamp && parse_timestamp(p, NULL) >= 0)
1756 log_notice("Hint: this expression is a valid timestamp. "
1757 "Use 'systemd-analyze timestamp \"%s\"' instead?", p);
1758 if (timespan && parse_time(p, NULL, USEC_PER_SEC) >= 0)
1759 log_notice("Hint: this expression is a valid timespan. "
1760 "Use 'systemd-analyze timespan \"%s\"' instead?", p);
1761 }
1762
1763 static int dump_timespan(int argc, char *argv[], void *userdata) {
1764 char **input_timespan;
1765
1766 STRV_FOREACH(input_timespan, strv_skip(argv, 1)) {
1767 _cleanup_(table_unrefp) Table *table = NULL;
1768 usec_t output_usecs;
1769 TableCell *cell;
1770 int r;
1771
1772 r = parse_time(*input_timespan, &output_usecs, USEC_PER_SEC);
1773 if (r < 0) {
1774 log_error_errno(r, "Failed to parse time span '%s': %m", *input_timespan);
1775 parsing_hint(*input_timespan, true, true, false);
1776 return r;
1777 }
1778
1779 table = table_new("name", "value");
1780 if (!table)
1781 return log_oom();
1782
1783 table_set_header(table, false);
1784
1785 assert_se(cell = table_get_cell(table, 0, 0));
1786 r = table_set_ellipsize_percent(table, cell, 100);
1787 if (r < 0)
1788 return r;
1789
1790 r = table_set_align_percent(table, cell, 100);
1791 if (r < 0)
1792 return r;
1793
1794 assert_se(cell = table_get_cell(table, 0, 1));
1795 r = table_set_ellipsize_percent(table, cell, 100);
1796 if (r < 0)
1797 return r;
1798
1799 r = table_add_cell(table, NULL, TABLE_STRING, "Original:");
1800 if (r < 0)
1801 return r;
1802
1803 r = table_add_cell(table, NULL, TABLE_STRING, *input_timespan);
1804 if (r < 0)
1805 return r;
1806
1807 r = table_add_cell_stringf(table, NULL, "%ss:", special_glyph(SPECIAL_GLYPH_MU));
1808 if (r < 0)
1809 return r;
1810
1811 r = table_add_cell(table, NULL, TABLE_UINT64, &output_usecs);
1812 if (r < 0)
1813 return r;
1814
1815 r = table_add_cell(table, NULL, TABLE_STRING, "Human:");
1816 if (r < 0)
1817 return r;
1818
1819 r = table_add_cell(table, &cell, TABLE_TIMESPAN, &output_usecs);
1820 if (r < 0)
1821 return r;
1822
1823 r = table_set_color(table, cell, ansi_highlight());
1824 if (r < 0)
1825 return r;
1826
1827 r = table_print(table, NULL);
1828 if (r < 0)
1829 return r;
1830
1831 if (input_timespan[1])
1832 putchar('\n');
1833 }
1834
1835 return EXIT_SUCCESS;
1836 }
1837
1838 static int test_timestamp_one(const char *p) {
1839 _cleanup_(table_unrefp) Table *table = NULL;
1840 TableCell *cell;
1841 usec_t usec;
1842 int r;
1843
1844 r = parse_timestamp(p, &usec);
1845 if (r < 0) {
1846 log_error_errno(r, "Failed to parse \"%s\": %m", p);
1847 parsing_hint(p, true, false, true);
1848 return r;
1849 }
1850
1851 table = table_new("name", "value");
1852 if (!table)
1853 return log_oom();
1854
1855 table_set_header(table, false);
1856
1857 assert_se(cell = table_get_cell(table, 0, 0));
1858 r = table_set_ellipsize_percent(table, cell, 100);
1859 if (r < 0)
1860 return r;
1861
1862 r = table_set_align_percent(table, cell, 100);
1863 if (r < 0)
1864 return r;
1865
1866 assert_se(cell = table_get_cell(table, 0, 1));
1867 r = table_set_ellipsize_percent(table, cell, 100);
1868 if (r < 0)
1869 return r;
1870
1871 r = table_add_cell(table, NULL, TABLE_STRING, "Original form:");
1872 if (r < 0)
1873 return r;
1874
1875 r = table_add_cell(table, NULL, TABLE_STRING, p);
1876 if (r < 0)
1877 return r;
1878
1879 r = table_add_cell(table, NULL, TABLE_STRING, "Normalized form:");
1880 if (r < 0)
1881 return r;
1882
1883 r = table_add_cell(table, &cell, TABLE_TIMESTAMP, &usec);
1884 if (r < 0)
1885 return r;
1886
1887 r = table_set_color(table, cell, ansi_highlight_blue());
1888 if (r < 0)
1889 return r;
1890
1891 if (!in_utc_timezone()) {
1892 r = table_add_cell(table, NULL, TABLE_STRING, "(in UTC):");
1893 if (r < 0)
1894 return r;
1895
1896 r = table_add_cell(table, &cell, TABLE_TIMESTAMP_UTC, &usec);
1897 if (r < 0)
1898 return r;
1899 }
1900
1901 r = table_add_cell(table, NULL, TABLE_STRING, "UNIX seconds:");
1902 if (r < 0)
1903 return r;
1904
1905 if (usec % USEC_PER_SEC == 0)
1906 r = table_add_cell_stringf(table, &cell, "@%"PRI_USEC,
1907 usec / USEC_PER_SEC);
1908 else
1909 r = table_add_cell_stringf(table, &cell, "@%"PRI_USEC".%06"PRI_USEC"",
1910 usec / USEC_PER_SEC,
1911 usec % USEC_PER_SEC);
1912 if (r < 0)
1913 return r;
1914
1915 r = table_add_cell(table, NULL, TABLE_STRING, "From now:");
1916 if (r < 0)
1917 return r;
1918
1919 r = table_add_cell(table, &cell, TABLE_TIMESTAMP_RELATIVE, &usec);
1920 if (r < 0)
1921 return r;
1922
1923 return table_print(table, NULL);
1924 }
1925
1926 static int test_timestamp(int argc, char *argv[], void *userdata) {
1927 int ret = 0, r;
1928 char **p;
1929
1930 STRV_FOREACH(p, strv_skip(argv, 1)) {
1931 r = test_timestamp_one(*p);
1932 if (ret == 0 && r < 0)
1933 ret = r;
1934
1935 if (*(p + 1))
1936 putchar('\n');
1937 }
1938
1939 return ret;
1940 }
1941
1942 static int test_calendar_one(usec_t n, const char *p) {
1943 _cleanup_(calendar_spec_freep) CalendarSpec *spec = NULL;
1944 _cleanup_(table_unrefp) Table *table = NULL;
1945 _cleanup_free_ char *t = NULL;
1946 TableCell *cell;
1947 int r;
1948
1949 r = calendar_spec_from_string(p, &spec);
1950 if (r < 0) {
1951 log_error_errno(r, "Failed to parse calendar specification '%s': %m", p);
1952 parsing_hint(p, false, true, true);
1953 return r;
1954 }
1955
1956 r = calendar_spec_to_string(spec, &t);
1957 if (r < 0)
1958 return log_error_errno(r, "Failed to format calendar specification '%s': %m", p);
1959
1960 table = table_new("name", "value");
1961 if (!table)
1962 return log_oom();
1963
1964 table_set_header(table, false);
1965
1966 assert_se(cell = table_get_cell(table, 0, 0));
1967 r = table_set_ellipsize_percent(table, cell, 100);
1968 if (r < 0)
1969 return r;
1970
1971 r = table_set_align_percent(table, cell, 100);
1972 if (r < 0)
1973 return r;
1974
1975 assert_se(cell = table_get_cell(table, 0, 1));
1976 r = table_set_ellipsize_percent(table, cell, 100);
1977 if (r < 0)
1978 return r;
1979
1980 if (!streq(t, p)) {
1981 r = table_add_cell(table, NULL, TABLE_STRING, "Original form:");
1982 if (r < 0)
1983 return r;
1984
1985 r = table_add_cell(table, NULL, TABLE_STRING, p);
1986 if (r < 0)
1987 return r;
1988 }
1989
1990 r = table_add_cell(table, NULL, TABLE_STRING, "Normalized form:");
1991 if (r < 0)
1992 return r;
1993
1994 r = table_add_cell(table, NULL, TABLE_STRING, t);
1995 if (r < 0)
1996 return r;
1997
1998 for (unsigned i = 0; i < arg_iterations; i++) {
1999 usec_t next;
2000
2001 r = calendar_spec_next_usec(spec, n, &next);
2002 if (r == -ENOENT) {
2003 if (i == 0) {
2004 r = table_add_cell(table, NULL, TABLE_STRING, "Next elapse:");
2005 if (r < 0)
2006 return r;
2007
2008 r = table_add_cell(table, &cell, TABLE_STRING, "never");
2009 if (r < 0)
2010 return r;
2011
2012 r = table_set_color(table, cell, ansi_highlight_yellow());
2013 if (r < 0)
2014 return r;
2015 }
2016 break;
2017 }
2018 if (r < 0)
2019 return log_error_errno(r, "Failed to determine next elapse for '%s': %m", p);
2020
2021 if (i == 0) {
2022 r = table_add_cell(table, NULL, TABLE_STRING, "Next elapse:");
2023 if (r < 0)
2024 return r;
2025
2026 r = table_add_cell(table, &cell, TABLE_TIMESTAMP, &next);
2027 if (r < 0)
2028 return r;
2029
2030 r = table_set_color(table, cell, ansi_highlight_blue());
2031 if (r < 0)
2032 return r;
2033 } else {
2034 int k = DECIMAL_STR_WIDTH(i + 1);
2035
2036 if (k < 8)
2037 k = 8 - k;
2038 else
2039 k = 0;
2040
2041 r = table_add_cell_stringf(table, NULL, "Iter. #%u:", i+1);
2042 if (r < 0)
2043 return r;
2044
2045 r = table_add_cell(table, &cell, TABLE_TIMESTAMP, &next);
2046 if (r < 0)
2047 return r;
2048
2049 r = table_set_color(table, cell, ansi_highlight_blue());
2050 if (r < 0)
2051 return r;
2052 }
2053
2054 if (!in_utc_timezone()) {
2055 r = table_add_cell(table, NULL, TABLE_STRING, "(in UTC):");
2056 if (r < 0)
2057 return r;
2058
2059 r = table_add_cell(table, NULL, TABLE_TIMESTAMP_UTC, &next);
2060 if (r < 0)
2061 return r;
2062 }
2063
2064 r = table_add_cell(table, NULL, TABLE_STRING, "From now:");
2065 if (r < 0)
2066 return r;
2067
2068 r = table_add_cell(table, NULL, TABLE_TIMESTAMP_RELATIVE, &next);
2069 if (r < 0)
2070 return r;
2071
2072 n = next;
2073 }
2074
2075 return table_print(table, NULL);
2076 }
2077
2078 static int test_calendar(int argc, char *argv[], void *userdata) {
2079 int ret = 0, r;
2080 char **p;
2081 usec_t n;
2082
2083 n = now(CLOCK_REALTIME); /* We want to use the same "base" for all expressions */
2084
2085 STRV_FOREACH(p, strv_skip(argv, 1)) {
2086 r = test_calendar_one(n, *p);
2087 if (ret == 0 && r < 0)
2088 ret = r;
2089
2090 if (*(p + 1))
2091 putchar('\n');
2092 }
2093
2094 return ret;
2095 }
2096
2097 static int service_watchdogs(int argc, char *argv[], void *userdata) {
2098 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2099 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
2100 int b, r;
2101
2102 assert(IN_SET(argc, 1, 2));
2103 assert(argv);
2104
2105 r = acquire_bus(&bus, NULL);
2106 if (r < 0)
2107 return log_error_errno(r, "Failed to create bus connection: %m");
2108
2109 /* get ServiceWatchdogs */
2110 if (argc == 1) {
2111 r = sd_bus_get_property_trivial(
2112 bus,
2113 "org.freedesktop.systemd1",
2114 "/org/freedesktop/systemd1",
2115 "org.freedesktop.systemd1.Manager",
2116 "ServiceWatchdogs",
2117 &error,
2118 'b',
2119 &b);
2120 if (r < 0)
2121 return log_error_errno(r, "Failed to get service-watchdog state: %s", bus_error_message(&error, r));
2122
2123 printf("%s\n", yes_no(!!b));
2124
2125 return 0;
2126 }
2127
2128 /* set ServiceWatchdogs */
2129 b = parse_boolean(argv[1]);
2130 if (b < 0) {
2131 log_error("Failed to parse service-watchdogs argument.");
2132 return -EINVAL;
2133 }
2134
2135 r = sd_bus_set_property(
2136 bus,
2137 "org.freedesktop.systemd1",
2138 "/org/freedesktop/systemd1",
2139 "org.freedesktop.systemd1.Manager",
2140 "ServiceWatchdogs",
2141 &error,
2142 "b",
2143 b);
2144 if (r < 0)
2145 return log_error_errno(r, "Failed to set service-watchdog state: %s", bus_error_message(&error, r));
2146
2147 return 0;
2148 }
2149
2150 static int do_condition(int argc, char *argv[], void *userdata) {
2151 return verify_conditions(strv_skip(argv, 1), arg_scope);
2152 }
2153
2154 static int do_verify(int argc, char *argv[], void *userdata) {
2155 return verify_units(strv_skip(argv, 1), arg_scope, arg_man, arg_generators);
2156 }
2157
2158 static int do_security(int argc, char *argv[], void *userdata) {
2159 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
2160 int r;
2161
2162 r = acquire_bus(&bus, NULL);
2163 if (r < 0)
2164 return log_error_errno(r, "Failed to create bus connection: %m");
2165
2166 (void) pager_open(arg_pager_flags);
2167
2168 return analyze_security(bus, strv_skip(argv, 1), 0);
2169 }
2170
2171 static int help(int argc, char *argv[], void *userdata) {
2172 _cleanup_free_ char *link = NULL, *dot_link = NULL;
2173 int r;
2174
2175 (void) pager_open(arg_pager_flags);
2176
2177 r = terminal_urlify_man("systemd-analyze", "1", &link);
2178 if (r < 0)
2179 return log_oom();
2180
2181 /* Not using terminal_urlify_man() for this, since we don't want the "man page" text suffix in this case. */
2182 r = terminal_urlify("man:dot(1)", "dot(1)", &dot_link);
2183 if (r < 0)
2184 return log_oom();
2185
2186 printf("%s [OPTIONS...] {COMMAND} ...\n\n"
2187 "Profile systemd, show unit dependencies, check unit files.\n\n"
2188 " -h --help Show this help\n"
2189 " --version Show package version\n"
2190 " --no-pager Do not pipe output into a pager\n"
2191 " --system Operate on system systemd instance\n"
2192 " --user Operate on user systemd instance\n"
2193 " --global Operate on global user configuration\n"
2194 " -H --host=[USER@]HOST Operate on remote host\n"
2195 " -M --machine=CONTAINER Operate on local container\n"
2196 " --order Show only order in the graph\n"
2197 " --require Show only requirement in the graph\n"
2198 " --from-pattern=GLOB Show only origins in the graph\n"
2199 " --to-pattern=GLOB Show only destinations in the graph\n"
2200 " --fuzz=SECONDS Also print services which finished SECONDS earlier\n"
2201 " than the latest in the branch\n"
2202 " --man[=BOOL] Do [not] check for existence of man pages\n"
2203 " --generators[=BOOL] Do [not] run unit generators (requires privileges)\n"
2204 " --iterations=N Show the specified number of iterations\n"
2205 "\nCommands:\n"
2206 " time Print time spent in the kernel\n"
2207 " blame Print list of running units ordered by time to init\n"
2208 " critical-chain [UNIT...] Print a tree of the time critical chain of units\n"
2209 " plot Output SVG graphic showing service initialization\n"
2210 " dot [UNIT...] Output dependency graph in %s format\n"
2211 " log-level [LEVEL] Get/set logging threshold for manager\n"
2212 " log-target [TARGET] Get/set logging target for manager\n"
2213 " dump Output state serialization of service manager\n"
2214 " cat-config Show configuration file and drop-ins\n"
2215 " unit-paths List load directories for units\n"
2216 " exit-codes List exit code definitions\n"
2217 " syscall-filter [NAME...] Print list of syscalls in seccomp filter\n"
2218 " condition CONDITION... Evaluate conditions and asserts\n"
2219 " verify FILE... Check unit files for correctness\n"
2220 " service-watchdogs [BOOL] Get/set service watchdog state\n"
2221 " calendar SPEC... Validate repetitive calendar time events\n"
2222 " timestamp TIMESTAMP... Validate a timestamp\n"
2223 " timespan SPAN... Validate a time span\n"
2224 " security [UNIT...] Analyze security of unit\n"
2225 "\nSee the %s for details.\n"
2226 , program_invocation_short_name
2227 , dot_link
2228 , link
2229 );
2230
2231 /* When updating this list, including descriptions, apply changes to
2232 * shell-completion/bash/systemd-analyze and shell-completion/zsh/_systemd-analyze too. */
2233
2234 return 0;
2235 }
2236
2237 static int parse_argv(int argc, char *argv[]) {
2238 enum {
2239 ARG_VERSION = 0x100,
2240 ARG_ORDER,
2241 ARG_REQUIRE,
2242 ARG_ROOT,
2243 ARG_SYSTEM,
2244 ARG_USER,
2245 ARG_GLOBAL,
2246 ARG_DOT_FROM_PATTERN,
2247 ARG_DOT_TO_PATTERN,
2248 ARG_FUZZ,
2249 ARG_NO_PAGER,
2250 ARG_MAN,
2251 ARG_GENERATORS,
2252 ARG_ITERATIONS,
2253 };
2254
2255 static const struct option options[] = {
2256 { "help", no_argument, NULL, 'h' },
2257 { "version", no_argument, NULL, ARG_VERSION },
2258 { "order", no_argument, NULL, ARG_ORDER },
2259 { "require", no_argument, NULL, ARG_REQUIRE },
2260 { "root", required_argument, NULL, ARG_ROOT },
2261 { "system", no_argument, NULL, ARG_SYSTEM },
2262 { "user", no_argument, NULL, ARG_USER },
2263 { "global", no_argument, NULL, ARG_GLOBAL },
2264 { "from-pattern", required_argument, NULL, ARG_DOT_FROM_PATTERN },
2265 { "to-pattern", required_argument, NULL, ARG_DOT_TO_PATTERN },
2266 { "fuzz", required_argument, NULL, ARG_FUZZ },
2267 { "no-pager", no_argument, NULL, ARG_NO_PAGER },
2268 { "man", optional_argument, NULL, ARG_MAN },
2269 { "generators", optional_argument, NULL, ARG_GENERATORS },
2270 { "host", required_argument, NULL, 'H' },
2271 { "machine", required_argument, NULL, 'M' },
2272 { "iterations", required_argument, NULL, ARG_ITERATIONS },
2273 {}
2274 };
2275
2276 int r, c;
2277
2278 assert(argc >= 0);
2279 assert(argv);
2280
2281 while ((c = getopt_long(argc, argv, "hH:M:", options, NULL)) >= 0)
2282 switch (c) {
2283
2284 case 'h':
2285 return help(0, NULL, NULL);
2286
2287 case ARG_VERSION:
2288 return version();
2289
2290 case ARG_ROOT:
2291 arg_root = optarg;
2292 break;
2293
2294 case ARG_SYSTEM:
2295 arg_scope = UNIT_FILE_SYSTEM;
2296 break;
2297
2298 case ARG_USER:
2299 arg_scope = UNIT_FILE_USER;
2300 break;
2301
2302 case ARG_GLOBAL:
2303 arg_scope = UNIT_FILE_GLOBAL;
2304 break;
2305
2306 case ARG_ORDER:
2307 arg_dot = DEP_ORDER;
2308 break;
2309
2310 case ARG_REQUIRE:
2311 arg_dot = DEP_REQUIRE;
2312 break;
2313
2314 case ARG_DOT_FROM_PATTERN:
2315 if (strv_extend(&arg_dot_from_patterns, optarg) < 0)
2316 return log_oom();
2317
2318 break;
2319
2320 case ARG_DOT_TO_PATTERN:
2321 if (strv_extend(&arg_dot_to_patterns, optarg) < 0)
2322 return log_oom();
2323
2324 break;
2325
2326 case ARG_FUZZ:
2327 r = parse_sec(optarg, &arg_fuzz);
2328 if (r < 0)
2329 return r;
2330 break;
2331
2332 case ARG_NO_PAGER:
2333 arg_pager_flags |= PAGER_DISABLE;
2334 break;
2335
2336 case 'H':
2337 arg_transport = BUS_TRANSPORT_REMOTE;
2338 arg_host = optarg;
2339 break;
2340
2341 case 'M':
2342 arg_transport = BUS_TRANSPORT_MACHINE;
2343 arg_host = optarg;
2344 break;
2345
2346 case ARG_MAN:
2347 if (optarg) {
2348 r = parse_boolean(optarg);
2349 if (r < 0)
2350 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
2351 "Failed to parse --man= argument.");
2352
2353 arg_man = r;
2354 } else
2355 arg_man = true;
2356
2357 break;
2358
2359 case ARG_GENERATORS:
2360 if (optarg) {
2361 r = parse_boolean(optarg);
2362 if (r < 0)
2363 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
2364 "Failed to parse --generators= argument.");
2365
2366 arg_generators = r;
2367 } else
2368 arg_generators = true;
2369
2370 break;
2371
2372 case ARG_ITERATIONS:
2373 r = safe_atou(optarg, &arg_iterations);
2374 if (r < 0)
2375 return log_error_errno(r, "Failed to parse iterations: %s", optarg);
2376
2377 break;
2378
2379 case '?':
2380 return -EINVAL;
2381
2382 default:
2383 assert_not_reached("Unhandled option code.");
2384 }
2385
2386 if (arg_scope == UNIT_FILE_GLOBAL &&
2387 !STR_IN_SET(argv[optind] ?: "time", "dot", "unit-paths", "verify"))
2388 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
2389 "Option --global only makes sense with verbs dot, unit-paths, verify.");
2390
2391 if (streq_ptr(argv[optind], "cat-config") && arg_scope == UNIT_FILE_USER)
2392 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
2393 "Option --user is not supported for cat-config right now.");
2394
2395 if (arg_root && !streq_ptr(argv[optind], "cat-config"))
2396 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
2397 "Option --root is only supported for cat-config right now.");
2398
2399 return 1; /* work to do */
2400 }
2401
2402 static int run(int argc, char *argv[]) {
2403
2404 static const Verb verbs[] = {
2405 { "help", VERB_ANY, VERB_ANY, 0, help },
2406 { "time", VERB_ANY, 1, VERB_DEFAULT, analyze_time },
2407 { "blame", VERB_ANY, 1, 0, analyze_blame },
2408 { "critical-chain", VERB_ANY, VERB_ANY, 0, analyze_critical_chain },
2409 { "plot", VERB_ANY, 1, 0, analyze_plot },
2410 { "dot", VERB_ANY, VERB_ANY, 0, dot },
2411 { "log-level", VERB_ANY, 2, 0, get_or_set_log_level },
2412 { "log-target", VERB_ANY, 2, 0, get_or_set_log_target },
2413 /* The following four verbs are deprecated aliases */
2414 { "set-log-level", 2, 2, 0, set_log_level },
2415 { "get-log-level", VERB_ANY, 1, 0, get_log_level },
2416 { "set-log-target", 2, 2, 0, set_log_target },
2417 { "get-log-target", VERB_ANY, 1, 0, get_log_target },
2418 { "dump", VERB_ANY, 1, 0, dump },
2419 { "cat-config", 2, VERB_ANY, 0, cat_config },
2420 { "unit-paths", 1, 1, 0, dump_unit_paths },
2421 { "exit-codes", VERB_ANY, VERB_ANY, 0, dump_exit_codes },
2422 { "syscall-filter", VERB_ANY, VERB_ANY, 0, dump_syscall_filters },
2423 { "condition", 2, VERB_ANY, 0, do_condition },
2424 { "verify", 2, VERB_ANY, 0, do_verify },
2425 { "calendar", 2, VERB_ANY, 0, test_calendar },
2426 { "timestamp", 2, VERB_ANY, 0, test_timestamp },
2427 { "timespan", 2, VERB_ANY, 0, dump_timespan },
2428 { "service-watchdogs", VERB_ANY, 2, 0, service_watchdogs },
2429 { "security", VERB_ANY, VERB_ANY, 0, do_security },
2430 {}
2431 };
2432
2433 int r;
2434
2435 setlocale(LC_ALL, "");
2436 setlocale(LC_NUMERIC, "C"); /* we want to format/parse floats in C style */
2437
2438 log_show_color(true);
2439 log_parse_environment();
2440 log_open();
2441
2442 r = parse_argv(argc, argv);
2443 if (r <= 0)
2444 return r;
2445
2446 return dispatch_verb(argc, argv, verbs, NULL);
2447 }
2448
2449 DEFINE_MAIN_FUNCTION(run);
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