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New upstream version 245.2
[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 <stdio.h>
9 #include <stdlib.h>
10 #include <unistd.h>
11
12 #include "sd-bus.h"
13
14 #include "alloc-util.h"
15 #include "analyze-condition.h"
16 #include "analyze-security.h"
17 #include "analyze-verify.h"
18 #include "build.h"
19 #include "bus-error.h"
20 #include "bus-unit-util.h"
21 #include "bus-util.h"
22 #include "calendarspec.h"
23 #include "conf-files.h"
24 #include "copy.h"
25 #include "def.h"
26 #include "exit-status.h"
27 #include "fd-util.h"
28 #include "fileio.h"
29 #include "format-table.h"
30 #include "glob-util.h"
31 #include "hashmap.h"
32 #include "locale-util.h"
33 #include "log.h"
34 #include "main-func.h"
35 #include "nulstr-util.h"
36 #include "pager.h"
37 #include "parse-util.h"
38 #include "path-util.h"
39 #include "pretty-print.h"
40 #if HAVE_SECCOMP
41 # include "seccomp-util.h"
42 #endif
43 #include "sort-util.h"
44 #include "special.h"
45 #include "strv.h"
46 #include "strxcpyx.h"
47 #include "terminal-util.h"
48 #include "time-util.h"
49 #include "unit-name.h"
50 #include "util.h"
51 #include "verbs.h"
52
53 #define SCALE_X (0.1 / 1000.0) /* pixels per us */
54 #define SCALE_Y (20.0)
55
56 #define svg(...) printf(__VA_ARGS__)
57
58 #define svg_bar(class, x1, x2, y) \
59 svg(" <rect class=\"%s\" x=\"%.03f\" y=\"%.03f\" width=\"%.03f\" height=\"%.03f\" />\n", \
60 (class), \
61 SCALE_X * (x1), SCALE_Y * (y), \
62 SCALE_X * ((x2) - (x1)), SCALE_Y - 1.0)
63
64 #define svg_text(b, x, y, format, ...) \
65 do { \
66 svg(" <text class=\"%s\" x=\"%.03f\" y=\"%.03f\">", (b) ? "left" : "right", SCALE_X * (x) + (b ? 5.0 : -5.0), SCALE_Y * (y) + 14.0); \
67 svg(format, ## __VA_ARGS__); \
68 svg("</text>\n"); \
69 } while (false)
70
71 static enum dot {
72 DEP_ALL,
73 DEP_ORDER,
74 DEP_REQUIRE
75 } arg_dot = DEP_ALL;
76 static char **arg_dot_from_patterns = NULL;
77 static char **arg_dot_to_patterns = NULL;
78 static usec_t arg_fuzz = 0;
79 static PagerFlags arg_pager_flags = 0;
80 static BusTransport arg_transport = BUS_TRANSPORT_LOCAL;
81 static const char *arg_host = NULL;
82 static UnitFileScope arg_scope = UNIT_FILE_SYSTEM;
83 static bool arg_man = true;
84 static bool arg_generators = false;
85 static const char *arg_root = NULL;
86 static unsigned arg_iterations = 1;
87 static usec_t arg_base_time = USEC_INFINITY;
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, (size_t) 0, (size_t) 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_many(table,
1117 TABLE_TIMESPAN_MSEC, u->time,
1118 TABLE_STRING, u->name);
1119 if (r < 0)
1120 return table_log_add_error(r);
1121 }
1122
1123 (void) pager_open(arg_pager_flags);
1124
1125 return table_print(table, NULL);
1126 }
1127
1128 static int analyze_time(int argc, char *argv[], void *userdata) {
1129 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
1130 _cleanup_free_ char *buf = NULL;
1131 int r;
1132
1133 r = acquire_bus(&bus, NULL);
1134 if (r < 0)
1135 return log_error_errno(r, "Failed to create bus connection: %m");
1136
1137 r = pretty_boot_time(bus, &buf);
1138 if (r < 0)
1139 return r;
1140
1141 puts(buf);
1142 return 0;
1143 }
1144
1145 static int graph_one_property(
1146 sd_bus *bus,
1147 const UnitInfo *u,
1148 const char *prop,
1149 const char *color,
1150 char *patterns[],
1151 char *from_patterns[],
1152 char *to_patterns[]) {
1153
1154 _cleanup_strv_free_ char **units = NULL;
1155 char **unit;
1156 int r;
1157 bool match_patterns;
1158
1159 assert(u);
1160 assert(prop);
1161 assert(color);
1162
1163 match_patterns = strv_fnmatch(patterns, u->id);
1164
1165 if (!strv_isempty(from_patterns) && !match_patterns && !strv_fnmatch(from_patterns, u->id))
1166 return 0;
1167
1168 r = bus_get_unit_property_strv(bus, u->unit_path, prop, &units);
1169 if (r < 0)
1170 return r;
1171
1172 STRV_FOREACH(unit, units) {
1173 bool match_patterns2;
1174
1175 match_patterns2 = strv_fnmatch(patterns, *unit);
1176
1177 if (!strv_isempty(to_patterns) && !match_patterns2 && !strv_fnmatch(to_patterns, *unit))
1178 continue;
1179
1180 if (!strv_isempty(patterns) && !match_patterns && !match_patterns2)
1181 continue;
1182
1183 printf("\t\"%s\"->\"%s\" [color=\"%s\"];\n", u->id, *unit, color);
1184 }
1185
1186 return 0;
1187 }
1188
1189 static int graph_one(sd_bus *bus, const UnitInfo *u, char *patterns[], char *from_patterns[], char *to_patterns[]) {
1190 int r;
1191
1192 assert(bus);
1193 assert(u);
1194
1195 if (IN_SET(arg_dot, DEP_ORDER, DEP_ALL)) {
1196 r = graph_one_property(bus, u, "After", "green", patterns, from_patterns, to_patterns);
1197 if (r < 0)
1198 return r;
1199 }
1200
1201 if (IN_SET(arg_dot, DEP_REQUIRE, DEP_ALL)) {
1202 r = graph_one_property(bus, u, "Requires", "black", patterns, from_patterns, to_patterns);
1203 if (r < 0)
1204 return r;
1205 r = graph_one_property(bus, u, "Requisite", "darkblue", patterns, from_patterns, to_patterns);
1206 if (r < 0)
1207 return r;
1208 r = graph_one_property(bus, u, "Wants", "grey66", patterns, from_patterns, to_patterns);
1209 if (r < 0)
1210 return r;
1211 r = graph_one_property(bus, u, "Conflicts", "red", patterns, from_patterns, to_patterns);
1212 if (r < 0)
1213 return r;
1214 }
1215
1216 return 0;
1217 }
1218
1219 static int expand_patterns(sd_bus *bus, char **patterns, char ***ret) {
1220 _cleanup_strv_free_ char **expanded_patterns = NULL;
1221 char **pattern;
1222 int r;
1223
1224 STRV_FOREACH(pattern, patterns) {
1225 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1226 _cleanup_free_ char *unit = NULL, *unit_id = NULL;
1227
1228 if (strv_extend(&expanded_patterns, *pattern) < 0)
1229 return log_oom();
1230
1231 if (string_is_glob(*pattern))
1232 continue;
1233
1234 unit = unit_dbus_path_from_name(*pattern);
1235 if (!unit)
1236 return log_oom();
1237
1238 r = sd_bus_get_property_string(
1239 bus,
1240 "org.freedesktop.systemd1",
1241 unit,
1242 "org.freedesktop.systemd1.Unit",
1243 "Id",
1244 &error,
1245 &unit_id);
1246 if (r < 0)
1247 return log_error_errno(r, "Failed to get ID: %s", bus_error_message(&error, r));
1248
1249 if (!streq(*pattern, unit_id)) {
1250 if (strv_extend(&expanded_patterns, unit_id) < 0)
1251 return log_oom();
1252 }
1253 }
1254
1255 *ret = expanded_patterns;
1256 expanded_patterns = NULL; /* do not free */
1257
1258 return 0;
1259 }
1260
1261 static int dot(int argc, char *argv[], void *userdata) {
1262 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
1263 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1264 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
1265 _cleanup_strv_free_ char **expanded_patterns = NULL;
1266 _cleanup_strv_free_ char **expanded_from_patterns = NULL;
1267 _cleanup_strv_free_ char **expanded_to_patterns = NULL;
1268 int r;
1269 UnitInfo u;
1270
1271 r = acquire_bus(&bus, NULL);
1272 if (r < 0)
1273 return log_error_errno(r, "Failed to create bus connection: %m");
1274
1275 r = expand_patterns(bus, strv_skip(argv, 1), &expanded_patterns);
1276 if (r < 0)
1277 return r;
1278
1279 r = expand_patterns(bus, arg_dot_from_patterns, &expanded_from_patterns);
1280 if (r < 0)
1281 return r;
1282
1283 r = expand_patterns(bus, arg_dot_to_patterns, &expanded_to_patterns);
1284 if (r < 0)
1285 return r;
1286
1287 r = sd_bus_call_method(
1288 bus,
1289 "org.freedesktop.systemd1",
1290 "/org/freedesktop/systemd1",
1291 "org.freedesktop.systemd1.Manager",
1292 "ListUnits",
1293 &error,
1294 &reply,
1295 "");
1296 if (r < 0)
1297 log_error_errno(r, "Failed to list units: %s", bus_error_message(&error, r));
1298
1299 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssssssouso)");
1300 if (r < 0)
1301 return bus_log_parse_error(r);
1302
1303 printf("digraph systemd {\n");
1304
1305 while ((r = bus_parse_unit_info(reply, &u)) > 0) {
1306
1307 r = graph_one(bus, &u, expanded_patterns, expanded_from_patterns, expanded_to_patterns);
1308 if (r < 0)
1309 return r;
1310 }
1311 if (r < 0)
1312 return bus_log_parse_error(r);
1313
1314 printf("}\n");
1315
1316 log_info(" Color legend: black = Requires\n"
1317 " dark blue = Requisite\n"
1318 " dark grey = Wants\n"
1319 " red = Conflicts\n"
1320 " green = After\n");
1321
1322 if (on_tty())
1323 log_notice("-- You probably want to process this output with graphviz' dot tool.\n"
1324 "-- Try a shell pipeline like 'systemd-analyze dot | dot -Tsvg > systemd.svg'!\n");
1325
1326 return 0;
1327 }
1328
1329 static int dump_fallback(sd_bus *bus) {
1330 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1331 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
1332 const char *text = NULL;
1333 int r;
1334
1335 assert(bus);
1336
1337 r = sd_bus_call_method(
1338 bus,
1339 "org.freedesktop.systemd1",
1340 "/org/freedesktop/systemd1",
1341 "org.freedesktop.systemd1.Manager",
1342 "Dump",
1343 &error,
1344 &reply,
1345 NULL);
1346 if (r < 0)
1347 return log_error_errno(r, "Failed to issue method call Dump: %s", bus_error_message(&error, r));
1348
1349 r = sd_bus_message_read(reply, "s", &text);
1350 if (r < 0)
1351 return bus_log_parse_error(r);
1352
1353 fputs(text, stdout);
1354 return 0;
1355 }
1356
1357 static int dump(int argc, char *argv[], void *userdata) {
1358 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1359 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
1360 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
1361 int fd = -1;
1362 int r;
1363
1364 r = acquire_bus(&bus, NULL);
1365 if (r < 0)
1366 return log_error_errno(r, "Failed to create bus connection: %m");
1367
1368 (void) pager_open(arg_pager_flags);
1369
1370 if (!sd_bus_can_send(bus, SD_BUS_TYPE_UNIX_FD))
1371 return dump_fallback(bus);
1372
1373 r = sd_bus_call_method(
1374 bus,
1375 "org.freedesktop.systemd1",
1376 "/org/freedesktop/systemd1",
1377 "org.freedesktop.systemd1.Manager",
1378 "DumpByFileDescriptor",
1379 &error,
1380 &reply,
1381 NULL);
1382 if (r < 0) {
1383 /* fall back to Dump if DumpByFileDescriptor is not supported */
1384 if (!IN_SET(r, -EACCES, -EBADR))
1385 return log_error_errno(r, "Failed to issue method call DumpByFileDescriptor: %s",
1386 bus_error_message(&error, r));
1387
1388 return dump_fallback(bus);
1389 }
1390
1391 r = sd_bus_message_read(reply, "h", &fd);
1392 if (r < 0)
1393 return bus_log_parse_error(r);
1394
1395 fflush(stdout);
1396 return copy_bytes(fd, STDOUT_FILENO, (uint64_t) -1, 0);
1397 }
1398
1399 static int cat_config(int argc, char *argv[], void *userdata) {
1400 char **arg, **list;
1401 int r;
1402
1403 (void) pager_open(arg_pager_flags);
1404
1405 list = strv_skip(argv, 1);
1406 STRV_FOREACH(arg, list) {
1407 const char *t = NULL;
1408
1409 if (arg != list)
1410 print_separator();
1411
1412 if (path_is_absolute(*arg)) {
1413 const char *dir;
1414
1415 NULSTR_FOREACH(dir, CONF_PATHS_NULSTR("")) {
1416 t = path_startswith(*arg, dir);
1417 if (t)
1418 break;
1419 }
1420
1421 if (!t)
1422 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
1423 "Path %s does not start with any known prefix.", *arg);
1424 } else
1425 t = *arg;
1426
1427 r = conf_files_cat(arg_root, t);
1428 if (r < 0)
1429 return r;
1430 }
1431
1432 return 0;
1433 }
1434
1435 static int set_log_level(int argc, char *argv[], void *userdata) {
1436 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1437 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
1438 int r;
1439
1440 assert(argc == 2);
1441 assert(argv);
1442
1443 r = acquire_bus(&bus, NULL);
1444 if (r < 0)
1445 return log_error_errno(r, "Failed to create bus connection: %m");
1446
1447 r = sd_bus_set_property(
1448 bus,
1449 "org.freedesktop.systemd1",
1450 "/org/freedesktop/systemd1",
1451 "org.freedesktop.systemd1.Manager",
1452 "LogLevel",
1453 &error,
1454 "s",
1455 argv[1]);
1456 if (r < 0)
1457 return log_error_errno(r, "Failed to issue method call: %s", bus_error_message(&error, r));
1458
1459 return 0;
1460 }
1461
1462 static int get_log_level(int argc, char *argv[], void *userdata) {
1463 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1464 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
1465 _cleanup_free_ char *level = NULL;
1466 int r;
1467
1468 r = acquire_bus(&bus, NULL);
1469 if (r < 0)
1470 return log_error_errno(r, "Failed to create bus connection: %m");
1471
1472 r = sd_bus_get_property_string(
1473 bus,
1474 "org.freedesktop.systemd1",
1475 "/org/freedesktop/systemd1",
1476 "org.freedesktop.systemd1.Manager",
1477 "LogLevel",
1478 &error,
1479 &level);
1480 if (r < 0)
1481 return log_error_errno(r, "Failed to get log level: %s", bus_error_message(&error, r));
1482
1483 puts(level);
1484 return 0;
1485 }
1486
1487 static int get_or_set_log_level(int argc, char *argv[], void *userdata) {
1488 return (argc == 1) ? get_log_level(argc, argv, userdata) : set_log_level(argc, argv, userdata);
1489 }
1490
1491 static int set_log_target(int argc, char *argv[], void *userdata) {
1492 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1493 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
1494 int r;
1495
1496 assert(argc == 2);
1497 assert(argv);
1498
1499 r = acquire_bus(&bus, NULL);
1500 if (r < 0)
1501 return log_error_errno(r, "Failed to create bus connection: %m");
1502
1503 r = sd_bus_set_property(
1504 bus,
1505 "org.freedesktop.systemd1",
1506 "/org/freedesktop/systemd1",
1507 "org.freedesktop.systemd1.Manager",
1508 "LogTarget",
1509 &error,
1510 "s",
1511 argv[1]);
1512 if (r < 0)
1513 return log_error_errno(r, "Failed to issue method call: %s", bus_error_message(&error, r));
1514
1515 return 0;
1516 }
1517
1518 static int get_log_target(int argc, char *argv[], void *userdata) {
1519 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1520 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
1521 _cleanup_free_ char *target = NULL;
1522 int r;
1523
1524 r = acquire_bus(&bus, NULL);
1525 if (r < 0)
1526 return log_error_errno(r, "Failed to create bus connection: %m");
1527
1528 r = sd_bus_get_property_string(
1529 bus,
1530 "org.freedesktop.systemd1",
1531 "/org/freedesktop/systemd1",
1532 "org.freedesktop.systemd1.Manager",
1533 "LogTarget",
1534 &error,
1535 &target);
1536 if (r < 0)
1537 return log_error_errno(r, "Failed to get log target: %s", bus_error_message(&error, r));
1538
1539 puts(target);
1540 return 0;
1541 }
1542
1543 static int get_or_set_log_target(int argc, char *argv[], void *userdata) {
1544 return (argc == 1) ? get_log_target(argc, argv, userdata) : set_log_target(argc, argv, userdata);
1545 }
1546
1547 static bool strv_fnmatch_strv_or_empty(char* const* patterns, char **strv, int flags) {
1548 char **s;
1549 STRV_FOREACH(s, strv)
1550 if (strv_fnmatch_or_empty(patterns, *s, flags))
1551 return true;
1552
1553 return false;
1554 }
1555
1556 static int do_unit_files(int argc, char *argv[], void *userdata) {
1557 _cleanup_(lookup_paths_free) LookupPaths lp = {};
1558 _cleanup_hashmap_free_ Hashmap *unit_ids = NULL;
1559 _cleanup_hashmap_free_ Hashmap *unit_names = NULL;
1560 char **patterns = strv_skip(argv, 1);
1561 Iterator i;
1562 const char *k, *dst;
1563 char **v;
1564 int r;
1565
1566 r = lookup_paths_init(&lp, arg_scope, 0, NULL);
1567 if (r < 0)
1568 return log_error_errno(r, "lookup_paths_init() failed: %m");
1569
1570 r = unit_file_build_name_map(&lp, NULL, &unit_ids, &unit_names, NULL);
1571 if (r < 0)
1572 return log_error_errno(r, "unit_file_build_name_map() failed: %m");
1573
1574 HASHMAP_FOREACH_KEY(dst, k, unit_ids, i) {
1575 if (!strv_fnmatch_or_empty(patterns, k, FNM_NOESCAPE) &&
1576 !strv_fnmatch_or_empty(patterns, dst, FNM_NOESCAPE))
1577 continue;
1578
1579 printf("ids: %s → %s\n", k, dst);
1580 }
1581
1582 HASHMAP_FOREACH_KEY(v, k, unit_names, i) {
1583 if (!strv_fnmatch_or_empty(patterns, k, FNM_NOESCAPE) &&
1584 !strv_fnmatch_strv_or_empty(patterns, v, FNM_NOESCAPE))
1585 continue;
1586
1587 _cleanup_free_ char *j = strv_join(v, ", ");
1588 printf("aliases: %s ← %s\n", k, j);
1589 }
1590
1591 return 0;
1592 }
1593
1594 static int dump_unit_paths(int argc, char *argv[], void *userdata) {
1595 _cleanup_(lookup_paths_free) LookupPaths paths = {};
1596 int r;
1597 char **p;
1598
1599 r = lookup_paths_init(&paths, arg_scope, 0, NULL);
1600 if (r < 0)
1601 return log_error_errno(r, "lookup_paths_init() failed: %m");
1602
1603 STRV_FOREACH(p, paths.search_path)
1604 puts(*p);
1605
1606 return 0;
1607 }
1608
1609 static int dump_exit_status(int argc, char *argv[], void *userdata) {
1610 _cleanup_(table_unrefp) Table *table = NULL;
1611 int r;
1612
1613 table = table_new("name", "status", "class");
1614 if (!table)
1615 return log_oom();
1616
1617 r = table_set_align_percent(table, table_get_cell(table, 0, 1), 100);
1618 if (r < 0)
1619 return log_error_errno(r, "Failed to right-align status: %m");
1620
1621 if (strv_isempty(strv_skip(argv, 1)))
1622 for (size_t i = 0; i < ELEMENTSOF(exit_status_mappings); i++) {
1623 if (!exit_status_mappings[i].name)
1624 continue;
1625
1626 r = table_add_many(table,
1627 TABLE_STRING, exit_status_mappings[i].name,
1628 TABLE_INT, (int) i,
1629 TABLE_STRING, exit_status_class(i));
1630 if (r < 0)
1631 return table_log_add_error(r);
1632 }
1633 else
1634 for (int i = 1; i < argc; i++) {
1635 int status;
1636
1637 status = exit_status_from_string(argv[i]);
1638 if (status < 0)
1639 return log_error_errno(r, "Invalid exit status \"%s\": %m", argv[i]);
1640
1641 assert(status >= 0 && (size_t) status < ELEMENTSOF(exit_status_mappings));
1642 r = table_add_many(table,
1643 TABLE_STRING, exit_status_mappings[status].name ?: "-",
1644 TABLE_INT, status,
1645 TABLE_STRING, exit_status_class(status) ?: "-");
1646 if (r < 0)
1647 return table_log_add_error(r);
1648 }
1649
1650 (void) pager_open(arg_pager_flags);
1651
1652 return table_print(table, NULL);
1653 }
1654
1655 #if HAVE_SECCOMP
1656
1657 static int load_kernel_syscalls(Set **ret) {
1658 _cleanup_(set_free_freep) Set *syscalls = NULL;
1659 _cleanup_fclose_ FILE *f = NULL;
1660 int r;
1661
1662 /* Let's read the available system calls from the list of available tracing events. Slightly dirty,
1663 * but good enough for analysis purposes. */
1664
1665 f = fopen("/sys/kernel/tracing/available_events", "re");
1666 if (!f) {
1667 /* We tried the non-debugfs mount point and that didn't work. If it wasn't mounted, maybe the
1668 * old debugfs mount point works? */
1669 f = fopen("/sys/kernel/debug/tracing/available_events", "re");
1670 if (!f)
1671 return log_full_errno(IN_SET(errno, EPERM, EACCES, ENOENT) ? LOG_DEBUG : LOG_WARNING, errno,
1672 "Can't read open tracefs' available_events file: %m");
1673 }
1674
1675 for (;;) {
1676 _cleanup_free_ char *line = NULL;
1677 const char *e;
1678
1679 r = read_line(f, LONG_LINE_MAX, &line);
1680 if (r < 0)
1681 return log_error_errno(r, "Failed to read system call list: %m");
1682 if (r == 0)
1683 break;
1684
1685 e = startswith(line, "syscalls:sys_enter_");
1686 if (!e)
1687 continue;
1688
1689 /* These are named differently inside the kernel than their external name for historical
1690 * reasons. Let's hide them here. */
1691 if (STR_IN_SET(e, "newuname", "newfstat", "newstat", "newlstat", "sysctl"))
1692 continue;
1693
1694 r = set_ensure_allocated(&syscalls, &string_hash_ops);
1695 if (r < 0)
1696 return log_oom();
1697
1698 r = set_put_strdup(syscalls, e);
1699 if (r < 0)
1700 return log_error_errno(r, "Failed to add system call to list: %m");
1701 }
1702
1703 *ret = TAKE_PTR(syscalls);
1704 return 0;
1705 }
1706
1707 static void kernel_syscalls_remove(Set *s, const SyscallFilterSet *set) {
1708 const char *syscall;
1709
1710 NULSTR_FOREACH(syscall, set->value) {
1711 if (syscall[0] == '@')
1712 continue;
1713
1714 free(set_remove(s, syscall));
1715 }
1716 }
1717
1718 static void dump_syscall_filter(const SyscallFilterSet *set) {
1719 const char *syscall;
1720
1721 printf("%s%s%s\n"
1722 " # %s\n",
1723 ansi_highlight(),
1724 set->name,
1725 ansi_normal(),
1726 set->help);
1727
1728 NULSTR_FOREACH(syscall, set->value)
1729 printf(" %s%s%s\n", syscall[0] == '@' ? ansi_underline() : "", syscall, ansi_normal());
1730 }
1731
1732 static int dump_syscall_filters(int argc, char *argv[], void *userdata) {
1733 bool first = true;
1734
1735 (void) pager_open(arg_pager_flags);
1736
1737 if (strv_isempty(strv_skip(argv, 1))) {
1738 _cleanup_(set_free_freep) Set *kernel = NULL;
1739 int i, k;
1740
1741 k = load_kernel_syscalls(&kernel);
1742
1743 for (i = 0; i < _SYSCALL_FILTER_SET_MAX; i++) {
1744 const SyscallFilterSet *set = syscall_filter_sets + i;
1745 if (!first)
1746 puts("");
1747
1748 dump_syscall_filter(set);
1749 kernel_syscalls_remove(kernel, set);
1750 first = false;
1751 }
1752
1753 if (k < 0) {
1754 fputc('\n', stdout);
1755 fflush(stdout);
1756 log_notice_errno(k, "# Not showing unlisted system calls, couldn't retrieve kernel system call list: %m");
1757 } else if (!set_isempty(kernel)) {
1758 _cleanup_free_ char **l = NULL;
1759 char **syscall;
1760
1761 printf("\n"
1762 "# %sUnlisted System Calls%s (supported by the local kernel, but not included in any of the groups listed above):\n",
1763 ansi_highlight(), ansi_normal());
1764
1765 l = set_get_strv(kernel);
1766 if (!l)
1767 return log_oom();
1768
1769 strv_sort(l);
1770
1771 STRV_FOREACH(syscall, l)
1772 printf("# %s\n", *syscall);
1773 }
1774 } else {
1775 char **name;
1776
1777 STRV_FOREACH(name, strv_skip(argv, 1)) {
1778 const SyscallFilterSet *set;
1779
1780 if (!first)
1781 puts("");
1782
1783 set = syscall_filter_set_find(*name);
1784 if (!set) {
1785 /* make sure the error appears below normal output */
1786 fflush(stdout);
1787
1788 return log_error_errno(SYNTHETIC_ERRNO(ENOENT),
1789 "Filter set \"%s\" not found.", *name);
1790 }
1791
1792 dump_syscall_filter(set);
1793 first = false;
1794 }
1795 }
1796
1797 return 0;
1798 }
1799
1800 #else
1801 static int dump_syscall_filters(int argc, char *argv[], void *userdata) {
1802 return log_error_errno(SYNTHETIC_ERRNO(EOPNOTSUPP), "Not compiled with syscall filters, sorry.");
1803 }
1804 #endif
1805
1806 static void parsing_hint(const char *p, bool calendar, bool timestamp, bool timespan) {
1807 if (calendar && calendar_spec_from_string(p, NULL) >= 0)
1808 log_notice("Hint: this expression is a valid calendar specification. "
1809 "Use 'systemd-analyze calendar \"%s\"' instead?", p);
1810 if (timestamp && parse_timestamp(p, NULL) >= 0)
1811 log_notice("Hint: this expression is a valid timestamp. "
1812 "Use 'systemd-analyze timestamp \"%s\"' instead?", p);
1813 if (timespan && parse_time(p, NULL, USEC_PER_SEC) >= 0)
1814 log_notice("Hint: this expression is a valid timespan. "
1815 "Use 'systemd-analyze timespan \"%s\"' instead?", p);
1816 }
1817
1818 static int dump_timespan(int argc, char *argv[], void *userdata) {
1819 char **input_timespan;
1820
1821 STRV_FOREACH(input_timespan, strv_skip(argv, 1)) {
1822 _cleanup_(table_unrefp) Table *table = NULL;
1823 usec_t output_usecs;
1824 TableCell *cell;
1825 int r;
1826
1827 r = parse_time(*input_timespan, &output_usecs, USEC_PER_SEC);
1828 if (r < 0) {
1829 log_error_errno(r, "Failed to parse time span '%s': %m", *input_timespan);
1830 parsing_hint(*input_timespan, true, true, false);
1831 return r;
1832 }
1833
1834 table = table_new("name", "value");
1835 if (!table)
1836 return log_oom();
1837
1838 table_set_header(table, false);
1839
1840 assert_se(cell = table_get_cell(table, 0, 0));
1841 r = table_set_ellipsize_percent(table, cell, 100);
1842 if (r < 0)
1843 return r;
1844
1845 r = table_set_align_percent(table, cell, 100);
1846 if (r < 0)
1847 return r;
1848
1849 assert_se(cell = table_get_cell(table, 0, 1));
1850 r = table_set_ellipsize_percent(table, cell, 100);
1851 if (r < 0)
1852 return r;
1853
1854 r = table_add_many(table,
1855 TABLE_STRING, "Original:",
1856 TABLE_STRING, *input_timespan);
1857 if (r < 0)
1858 return table_log_add_error(r);
1859
1860 r = table_add_cell_stringf(table, NULL, "%ss:", special_glyph(SPECIAL_GLYPH_MU));
1861 if (r < 0)
1862 return table_log_add_error(r);
1863
1864 r = table_add_many(table,
1865 TABLE_UINT64, output_usecs,
1866 TABLE_STRING, "Human:",
1867 TABLE_TIMESPAN, output_usecs,
1868 TABLE_SET_COLOR, ansi_highlight());
1869 if (r < 0)
1870 return table_log_add_error(r);
1871
1872 r = table_print(table, NULL);
1873 if (r < 0)
1874 return r;
1875
1876 if (input_timespan[1])
1877 putchar('\n');
1878 }
1879
1880 return EXIT_SUCCESS;
1881 }
1882
1883 static int test_timestamp_one(const char *p) {
1884 _cleanup_(table_unrefp) Table *table = NULL;
1885 TableCell *cell;
1886 usec_t usec;
1887 int r;
1888
1889 r = parse_timestamp(p, &usec);
1890 if (r < 0) {
1891 log_error_errno(r, "Failed to parse \"%s\": %m", p);
1892 parsing_hint(p, true, false, true);
1893 return r;
1894 }
1895
1896 table = table_new("name", "value");
1897 if (!table)
1898 return log_oom();
1899
1900 table_set_header(table, false);
1901
1902 assert_se(cell = table_get_cell(table, 0, 0));
1903 r = table_set_ellipsize_percent(table, cell, 100);
1904 if (r < 0)
1905 return r;
1906
1907 r = table_set_align_percent(table, cell, 100);
1908 if (r < 0)
1909 return r;
1910
1911 assert_se(cell = table_get_cell(table, 0, 1));
1912 r = table_set_ellipsize_percent(table, cell, 100);
1913 if (r < 0)
1914 return r;
1915
1916 r = table_add_many(table,
1917 TABLE_STRING, "Original form:",
1918 TABLE_STRING, p,
1919 TABLE_STRING, "Normalized form:",
1920 TABLE_TIMESTAMP, usec,
1921 TABLE_SET_COLOR, ansi_highlight_blue());
1922 if (r < 0)
1923 return table_log_add_error(r);
1924
1925 if (!in_utc_timezone()) {
1926 r = table_add_many(table,
1927 TABLE_STRING, "(in UTC):",
1928 TABLE_TIMESTAMP_UTC, usec);
1929 if (r < 0)
1930 return table_log_add_error(r);
1931 }
1932
1933 r = table_add_cell(table, NULL, TABLE_STRING, "UNIX seconds:");
1934 if (r < 0)
1935 return table_log_add_error(r);
1936
1937 if (usec % USEC_PER_SEC == 0)
1938 r = table_add_cell_stringf(table, NULL, "@%"PRI_USEC,
1939 usec / USEC_PER_SEC);
1940 else
1941 r = table_add_cell_stringf(table, NULL, "@%"PRI_USEC".%06"PRI_USEC"",
1942 usec / USEC_PER_SEC,
1943 usec % USEC_PER_SEC);
1944 if (r < 0)
1945 return r;
1946
1947 r = table_add_many(table,
1948 TABLE_STRING, "From now:",
1949 TABLE_TIMESTAMP_RELATIVE, usec);
1950 if (r < 0)
1951 return table_log_add_error(r);
1952
1953 return table_print(table, NULL);
1954 }
1955
1956 static int test_timestamp(int argc, char *argv[], void *userdata) {
1957 int ret = 0, r;
1958 char **p;
1959
1960 STRV_FOREACH(p, strv_skip(argv, 1)) {
1961 r = test_timestamp_one(*p);
1962 if (ret == 0 && r < 0)
1963 ret = r;
1964
1965 if (*(p + 1))
1966 putchar('\n');
1967 }
1968
1969 return ret;
1970 }
1971
1972 static int test_calendar_one(usec_t n, const char *p) {
1973 _cleanup_(calendar_spec_freep) CalendarSpec *spec = NULL;
1974 _cleanup_(table_unrefp) Table *table = NULL;
1975 _cleanup_free_ char *t = NULL;
1976 TableCell *cell;
1977 int r;
1978
1979 r = calendar_spec_from_string(p, &spec);
1980 if (r < 0) {
1981 log_error_errno(r, "Failed to parse calendar specification '%s': %m", p);
1982 parsing_hint(p, false, true, true);
1983 return r;
1984 }
1985
1986 r = calendar_spec_to_string(spec, &t);
1987 if (r < 0)
1988 return log_error_errno(r, "Failed to format calendar specification '%s': %m", p);
1989
1990 table = table_new("name", "value");
1991 if (!table)
1992 return log_oom();
1993
1994 table_set_header(table, false);
1995
1996 assert_se(cell = table_get_cell(table, 0, 0));
1997 r = table_set_ellipsize_percent(table, cell, 100);
1998 if (r < 0)
1999 return r;
2000
2001 r = table_set_align_percent(table, cell, 100);
2002 if (r < 0)
2003 return r;
2004
2005 assert_se(cell = table_get_cell(table, 0, 1));
2006 r = table_set_ellipsize_percent(table, cell, 100);
2007 if (r < 0)
2008 return r;
2009
2010 if (!streq(t, p)) {
2011 r = table_add_many(table,
2012 TABLE_STRING, "Original form:",
2013 TABLE_STRING, p);
2014 if (r < 0)
2015 return table_log_add_error(r);
2016 }
2017
2018 r = table_add_many(table,
2019 TABLE_STRING, "Normalized form:",
2020 TABLE_STRING, t);
2021 if (r < 0)
2022 return table_log_add_error(r);
2023
2024 for (unsigned i = 0; i < arg_iterations; i++) {
2025 usec_t next;
2026
2027 r = calendar_spec_next_usec(spec, n, &next);
2028 if (r == -ENOENT) {
2029 if (i == 0) {
2030 r = table_add_many(table,
2031 TABLE_STRING, "Next elapse:",
2032 TABLE_STRING, "never",
2033 TABLE_SET_COLOR, ansi_highlight_yellow());
2034 if (r < 0)
2035 return table_log_add_error(r);
2036 }
2037 break;
2038 }
2039 if (r < 0)
2040 return log_error_errno(r, "Failed to determine next elapse for '%s': %m", p);
2041
2042 if (i == 0) {
2043 r = table_add_many(table,
2044 TABLE_STRING, "Next elapse:",
2045 TABLE_TIMESTAMP, next,
2046 TABLE_SET_COLOR, ansi_highlight_blue());
2047 if (r < 0)
2048 return table_log_add_error(r);
2049 } else {
2050 int k = DECIMAL_STR_WIDTH(i + 1);
2051
2052 if (k < 8)
2053 k = 8 - k;
2054 else
2055 k = 0;
2056
2057 r = table_add_cell_stringf(table, NULL, "Iter. #%u:", i+1);
2058 if (r < 0)
2059 return table_log_add_error(r);
2060
2061 r = table_add_many(table,
2062 TABLE_TIMESTAMP, next,
2063 TABLE_SET_COLOR, ansi_highlight_blue());
2064 if (r < 0)
2065 return table_log_add_error(r);
2066 }
2067
2068 if (!in_utc_timezone()) {
2069 r = table_add_many(table,
2070 TABLE_STRING, "(in UTC):",
2071 TABLE_TIMESTAMP_UTC, next);
2072 if (r < 0)
2073 return table_log_add_error(r);
2074 }
2075
2076 r = table_add_many(table,
2077 TABLE_STRING, "From now:",
2078 TABLE_TIMESTAMP_RELATIVE, next);
2079 if (r < 0)
2080 return table_log_add_error(r);
2081
2082 n = next;
2083 }
2084
2085 return table_print(table, NULL);
2086 }
2087
2088 static int test_calendar(int argc, char *argv[], void *userdata) {
2089 int ret = 0, r;
2090 char **p;
2091 usec_t n;
2092
2093 if (arg_base_time != USEC_INFINITY)
2094 n = arg_base_time;
2095 else
2096 n = now(CLOCK_REALTIME); /* We want to use the same "base" for all expressions */
2097
2098 STRV_FOREACH(p, strv_skip(argv, 1)) {
2099 r = test_calendar_one(n, *p);
2100 if (ret == 0 && r < 0)
2101 ret = r;
2102
2103 if (*(p + 1))
2104 putchar('\n');
2105 }
2106
2107 return ret;
2108 }
2109
2110 static int service_watchdogs(int argc, char *argv[], void *userdata) {
2111 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2112 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
2113 int b, r;
2114
2115 assert(IN_SET(argc, 1, 2));
2116 assert(argv);
2117
2118 r = acquire_bus(&bus, NULL);
2119 if (r < 0)
2120 return log_error_errno(r, "Failed to create bus connection: %m");
2121
2122 if (argc == 1) {
2123 /* get ServiceWatchdogs */
2124 r = sd_bus_get_property_trivial(
2125 bus,
2126 "org.freedesktop.systemd1",
2127 "/org/freedesktop/systemd1",
2128 "org.freedesktop.systemd1.Manager",
2129 "ServiceWatchdogs",
2130 &error,
2131 'b',
2132 &b);
2133 if (r < 0)
2134 return log_error_errno(r, "Failed to get service-watchdog state: %s", bus_error_message(&error, r));
2135
2136 printf("%s\n", yes_no(!!b));
2137
2138 } else {
2139 /* set ServiceWatchdogs */
2140 b = parse_boolean(argv[1]);
2141 if (b < 0)
2142 return log_error_errno(b, "Failed to parse service-watchdogs argument: %m");
2143
2144 r = sd_bus_set_property(
2145 bus,
2146 "org.freedesktop.systemd1",
2147 "/org/freedesktop/systemd1",
2148 "org.freedesktop.systemd1.Manager",
2149 "ServiceWatchdogs",
2150 &error,
2151 "b",
2152 b);
2153 if (r < 0)
2154 return log_error_errno(r, "Failed to set service-watchdog state: %s", bus_error_message(&error, r));
2155 }
2156
2157 return 0;
2158 }
2159
2160 static int do_condition(int argc, char *argv[], void *userdata) {
2161 return verify_conditions(strv_skip(argv, 1), arg_scope);
2162 }
2163
2164 static int do_verify(int argc, char *argv[], void *userdata) {
2165 return verify_units(strv_skip(argv, 1), arg_scope, arg_man, arg_generators);
2166 }
2167
2168 static int do_security(int argc, char *argv[], void *userdata) {
2169 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
2170 int r;
2171
2172 r = acquire_bus(&bus, NULL);
2173 if (r < 0)
2174 return log_error_errno(r, "Failed to create bus connection: %m");
2175
2176 (void) pager_open(arg_pager_flags);
2177
2178 return analyze_security(bus, strv_skip(argv, 1), 0);
2179 }
2180
2181 static int help(int argc, char *argv[], void *userdata) {
2182 _cleanup_free_ char *link = NULL, *dot_link = NULL;
2183 int r;
2184
2185 (void) pager_open(arg_pager_flags);
2186
2187 r = terminal_urlify_man("systemd-analyze", "1", &link);
2188 if (r < 0)
2189 return log_oom();
2190
2191 /* Not using terminal_urlify_man() for this, since we don't want the "man page" text suffix in this case. */
2192 r = terminal_urlify("man:dot(1)", "dot(1)", &dot_link);
2193 if (r < 0)
2194 return log_oom();
2195
2196 printf("%s [OPTIONS...] COMMAND ...\n\n"
2197 "%sProfile systemd, show unit dependencies, check unit files.%s\n"
2198 "\nCommands:\n"
2199 " [time] Print time required to boot the machine\n"
2200 " blame Print list of running units ordered by time to init\n"
2201 " critical-chain [UNIT...] Print a tree of the time critical chain of units\n"
2202 " plot Output SVG graphic showing service initialization\n"
2203 " dot [UNIT...] Output dependency graph in %s format\n"
2204 " dump Output state serialization of service manager\n"
2205 " cat-config Show configuration file and drop-ins\n"
2206 " unit-files List files and symlinks for units\n"
2207 " unit-paths List load directories for units\n"
2208 " exit-status [STATUS...] List exit status definitions\n"
2209 " syscall-filter [NAME...] Print list of syscalls in seccomp filter\n"
2210 " condition CONDITION... Evaluate conditions and asserts\n"
2211 " verify FILE... Check unit files for correctness\n"
2212 " calendar SPEC... Validate repetitive calendar time events\n"
2213 " timestamp TIMESTAMP... Validate a timestamp\n"
2214 " timespan SPAN... Validate a time span\n"
2215 " security [UNIT...] Analyze security of unit\n"
2216 "\nOptions:\n"
2217 " -h --help Show this help\n"
2218 " --version Show package version\n"
2219 " --no-pager Do not pipe output into a pager\n"
2220 " --system Operate on system systemd instance\n"
2221 " --user Operate on user systemd instance\n"
2222 " --global Operate on global user configuration\n"
2223 " -H --host=[USER@]HOST Operate on remote host\n"
2224 " -M --machine=CONTAINER Operate on local container\n"
2225 " --order Show only order in the graph\n"
2226 " --require Show only requirement in the graph\n"
2227 " --from-pattern=GLOB Show only origins in the graph\n"
2228 " --to-pattern=GLOB Show only destinations in the graph\n"
2229 " --fuzz=SECONDS Also print services which finished SECONDS earlier\n"
2230 " than the latest in the branch\n"
2231 " --man[=BOOL] Do [not] check for existence of man pages\n"
2232 " --generators[=BOOL] Do [not] run unit generators (requires privileges)\n"
2233 " --iterations=N Show the specified number of iterations\n"
2234 " --base-time=TIMESTAMP Calculate calendar times relative to specified time\n"
2235 "\nSee the %s for details.\n"
2236 , program_invocation_short_name
2237 , ansi_highlight()
2238 , ansi_normal()
2239 , dot_link
2240 , link
2241 );
2242
2243 /* When updating this list, including descriptions, apply changes to
2244 * shell-completion/bash/systemd-analyze and shell-completion/zsh/_systemd-analyze too. */
2245
2246 return 0;
2247 }
2248
2249 static int parse_argv(int argc, char *argv[]) {
2250 enum {
2251 ARG_VERSION = 0x100,
2252 ARG_ORDER,
2253 ARG_REQUIRE,
2254 ARG_ROOT,
2255 ARG_SYSTEM,
2256 ARG_USER,
2257 ARG_GLOBAL,
2258 ARG_DOT_FROM_PATTERN,
2259 ARG_DOT_TO_PATTERN,
2260 ARG_FUZZ,
2261 ARG_NO_PAGER,
2262 ARG_MAN,
2263 ARG_GENERATORS,
2264 ARG_ITERATIONS,
2265 ARG_BASE_TIME,
2266 };
2267
2268 static const struct option options[] = {
2269 { "help", no_argument, NULL, 'h' },
2270 { "version", no_argument, NULL, ARG_VERSION },
2271 { "order", no_argument, NULL, ARG_ORDER },
2272 { "require", no_argument, NULL, ARG_REQUIRE },
2273 { "root", required_argument, NULL, ARG_ROOT },
2274 { "system", no_argument, NULL, ARG_SYSTEM },
2275 { "user", no_argument, NULL, ARG_USER },
2276 { "global", no_argument, NULL, ARG_GLOBAL },
2277 { "from-pattern", required_argument, NULL, ARG_DOT_FROM_PATTERN },
2278 { "to-pattern", required_argument, NULL, ARG_DOT_TO_PATTERN },
2279 { "fuzz", required_argument, NULL, ARG_FUZZ },
2280 { "no-pager", no_argument, NULL, ARG_NO_PAGER },
2281 { "man", optional_argument, NULL, ARG_MAN },
2282 { "generators", optional_argument, NULL, ARG_GENERATORS },
2283 { "host", required_argument, NULL, 'H' },
2284 { "machine", required_argument, NULL, 'M' },
2285 { "iterations", required_argument, NULL, ARG_ITERATIONS },
2286 { "base-time", required_argument, NULL, ARG_BASE_TIME },
2287 {}
2288 };
2289
2290 int r, c;
2291
2292 assert(argc >= 0);
2293 assert(argv);
2294
2295 while ((c = getopt_long(argc, argv, "hH:M:", options, NULL)) >= 0)
2296 switch (c) {
2297
2298 case 'h':
2299 return help(0, NULL, NULL);
2300
2301 case ARG_VERSION:
2302 return version();
2303
2304 case ARG_ROOT:
2305 arg_root = optarg;
2306 break;
2307
2308 case ARG_SYSTEM:
2309 arg_scope = UNIT_FILE_SYSTEM;
2310 break;
2311
2312 case ARG_USER:
2313 arg_scope = UNIT_FILE_USER;
2314 break;
2315
2316 case ARG_GLOBAL:
2317 arg_scope = UNIT_FILE_GLOBAL;
2318 break;
2319
2320 case ARG_ORDER:
2321 arg_dot = DEP_ORDER;
2322 break;
2323
2324 case ARG_REQUIRE:
2325 arg_dot = DEP_REQUIRE;
2326 break;
2327
2328 case ARG_DOT_FROM_PATTERN:
2329 if (strv_extend(&arg_dot_from_patterns, optarg) < 0)
2330 return log_oom();
2331
2332 break;
2333
2334 case ARG_DOT_TO_PATTERN:
2335 if (strv_extend(&arg_dot_to_patterns, optarg) < 0)
2336 return log_oom();
2337
2338 break;
2339
2340 case ARG_FUZZ:
2341 r = parse_sec(optarg, &arg_fuzz);
2342 if (r < 0)
2343 return r;
2344 break;
2345
2346 case ARG_NO_PAGER:
2347 arg_pager_flags |= PAGER_DISABLE;
2348 break;
2349
2350 case 'H':
2351 arg_transport = BUS_TRANSPORT_REMOTE;
2352 arg_host = optarg;
2353 break;
2354
2355 case 'M':
2356 arg_transport = BUS_TRANSPORT_MACHINE;
2357 arg_host = optarg;
2358 break;
2359
2360 case ARG_MAN:
2361 if (optarg) {
2362 r = parse_boolean(optarg);
2363 if (r < 0)
2364 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
2365 "Failed to parse --man= argument.");
2366
2367 arg_man = r;
2368 } else
2369 arg_man = true;
2370
2371 break;
2372
2373 case ARG_GENERATORS:
2374 if (optarg) {
2375 r = parse_boolean(optarg);
2376 if (r < 0)
2377 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
2378 "Failed to parse --generators= argument.");
2379
2380 arg_generators = r;
2381 } else
2382 arg_generators = true;
2383
2384 break;
2385
2386 case ARG_ITERATIONS:
2387 r = safe_atou(optarg, &arg_iterations);
2388 if (r < 0)
2389 return log_error_errno(r, "Failed to parse iterations: %s", optarg);
2390
2391 break;
2392
2393 case ARG_BASE_TIME:
2394 r = parse_timestamp(optarg, &arg_base_time);
2395 if (r < 0)
2396 return log_error_errno(r, "Failed to parse --base-time= parameter: %s", optarg);
2397
2398 break;
2399
2400 case '?':
2401 return -EINVAL;
2402
2403 default:
2404 assert_not_reached("Unhandled option code.");
2405 }
2406
2407 if (arg_scope == UNIT_FILE_GLOBAL &&
2408 !STR_IN_SET(argv[optind] ?: "time", "dot", "unit-paths", "verify"))
2409 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
2410 "Option --global only makes sense with verbs dot, unit-paths, verify.");
2411
2412 if (streq_ptr(argv[optind], "cat-config") && arg_scope == UNIT_FILE_USER)
2413 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
2414 "Option --user is not supported for cat-config right now.");
2415
2416 if (arg_root && !streq_ptr(argv[optind], "cat-config"))
2417 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
2418 "Option --root is only supported for cat-config right now.");
2419
2420 return 1; /* work to do */
2421 }
2422
2423 static int run(int argc, char *argv[]) {
2424
2425 static const Verb verbs[] = {
2426 { "help", VERB_ANY, VERB_ANY, 0, help },
2427 { "time", VERB_ANY, 1, VERB_DEFAULT, analyze_time },
2428 { "blame", VERB_ANY, 1, 0, analyze_blame },
2429 { "critical-chain", VERB_ANY, VERB_ANY, 0, analyze_critical_chain },
2430 { "plot", VERB_ANY, 1, 0, analyze_plot },
2431 { "dot", VERB_ANY, VERB_ANY, 0, dot },
2432 /* The following seven verbs are deprecated */
2433 { "log-level", VERB_ANY, 2, 0, get_or_set_log_level },
2434 { "log-target", VERB_ANY, 2, 0, get_or_set_log_target },
2435 { "set-log-level", 2, 2, 0, set_log_level },
2436 { "get-log-level", VERB_ANY, 1, 0, get_log_level },
2437 { "set-log-target", 2, 2, 0, set_log_target },
2438 { "get-log-target", VERB_ANY, 1, 0, get_log_target },
2439 { "service-watchdogs", VERB_ANY, 2, 0, service_watchdogs },
2440 { "dump", VERB_ANY, 1, 0, dump },
2441 { "cat-config", 2, VERB_ANY, 0, cat_config },
2442 { "unit-files", VERB_ANY, VERB_ANY, 0, do_unit_files },
2443 { "unit-paths", 1, 1, 0, dump_unit_paths },
2444 { "exit-status", VERB_ANY, VERB_ANY, 0, dump_exit_status },
2445 { "syscall-filter", VERB_ANY, VERB_ANY, 0, dump_syscall_filters },
2446 { "condition", 2, VERB_ANY, 0, do_condition },
2447 { "verify", 2, VERB_ANY, 0, do_verify },
2448 { "calendar", 2, VERB_ANY, 0, test_calendar },
2449 { "timestamp", 2, VERB_ANY, 0, test_timestamp },
2450 { "timespan", 2, VERB_ANY, 0, dump_timespan },
2451 { "security", VERB_ANY, VERB_ANY, 0, do_security },
2452 {}
2453 };
2454
2455 int r;
2456
2457 setlocale(LC_ALL, "");
2458 setlocale(LC_NUMERIC, "C"); /* we want to format/parse floats in C style */
2459
2460 log_show_color(true);
2461 log_parse_environment();
2462 log_open();
2463
2464 r = parse_argv(argc, argv);
2465 if (r <= 0)
2466 return r;
2467
2468 return dispatch_verb(argc, argv, verbs, NULL);
2469 }
2470
2471 DEFINE_MAIN_FUNCTION(run);
systemd for Proxmox projects