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[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 <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-locator.h"
21 #include "bus-map-properties.h"
22 #include "bus-unit-util.h"
23 #include "calendarspec.h"
24 #include "cap-list.h"
25 #include "capability-util.h"
26 #include "conf-files.h"
27 #include "copy.h"
28 #include "def.h"
29 #include "exit-status.h"
30 #include "fd-util.h"
31 #include "fileio.h"
32 #include "format-table.h"
33 #include "glob-util.h"
34 #include "hashmap.h"
35 #include "locale-util.h"
36 #include "log.h"
37 #include "main-func.h"
38 #include "nulstr-util.h"
39 #include "pager.h"
40 #include "parse-util.h"
41 #include "path-util.h"
42 #include "pretty-print.h"
43 #if HAVE_SECCOMP
44 # include "seccomp-util.h"
45 #endif
46 #include "sort-util.h"
47 #include "special.h"
48 #include "strv.h"
49 #include "strxcpyx.h"
50 #include "terminal-util.h"
51 #include "time-util.h"
52 #include "unit-name.h"
53 #include "util.h"
54 #include "verbs.h"
55
56 #define SCALE_X (0.1 / 1000.0) /* pixels per us */
57 #define SCALE_Y (20.0)
58
59 #define svg(...) printf(__VA_ARGS__)
60
61 #define svg_bar(class, x1, x2, y) \
62 svg(" <rect class=\"%s\" x=\"%.03f\" y=\"%.03f\" width=\"%.03f\" height=\"%.03f\" />\n", \
63 (class), \
64 SCALE_X * (x1), SCALE_Y * (y), \
65 SCALE_X * ((x2) - (x1)), SCALE_Y - 1.0)
66
67 #define svg_text(b, x, y, format, ...) \
68 do { \
69 svg(" <text class=\"%s\" x=\"%.03f\" y=\"%.03f\">", (b) ? "left" : "right", SCALE_X * (x) + (b ? 5.0 : -5.0), SCALE_Y * (y) + 14.0); \
70 svg(format, ## __VA_ARGS__); \
71 svg("</text>\n"); \
72 } while (false)
73
74 static enum dot {
75 DEP_ALL,
76 DEP_ORDER,
77 DEP_REQUIRE
78 } arg_dot = DEP_ALL;
79 static char **arg_dot_from_patterns = NULL;
80 static char **arg_dot_to_patterns = NULL;
81 static usec_t arg_fuzz = 0;
82 static PagerFlags arg_pager_flags = 0;
83 static BusTransport arg_transport = BUS_TRANSPORT_LOCAL;
84 static const char *arg_host = NULL;
85 static UnitFileScope arg_scope = UNIT_FILE_SYSTEM;
86 static bool arg_man = true;
87 static bool arg_generators = false;
88 static const char *arg_root = NULL;
89 static unsigned arg_iterations = 1;
90 static usec_t arg_base_time = USEC_INFINITY;
91
92 STATIC_DESTRUCTOR_REGISTER(arg_dot_from_patterns, strv_freep);
93 STATIC_DESTRUCTOR_REGISTER(arg_dot_to_patterns, strv_freep);
94
95 struct boot_times {
96 usec_t firmware_time;
97 usec_t loader_time;
98 usec_t kernel_time;
99 usec_t kernel_done_time;
100 usec_t initrd_time;
101 usec_t userspace_time;
102 usec_t finish_time;
103 usec_t security_start_time;
104 usec_t security_finish_time;
105 usec_t generators_start_time;
106 usec_t generators_finish_time;
107 usec_t unitsload_start_time;
108 usec_t unitsload_finish_time;
109 usec_t initrd_security_start_time;
110 usec_t initrd_security_finish_time;
111 usec_t initrd_generators_start_time;
112 usec_t initrd_generators_finish_time;
113 usec_t initrd_unitsload_start_time;
114 usec_t initrd_unitsload_finish_time;
115
116 /*
117 * If we're analyzing the user instance, all timestamps will be offset
118 * by its own start-up timestamp, which may be arbitrarily big.
119 * With "plot", this causes arbitrarily wide output SVG files which almost
120 * completely consist of empty space. Thus we cancel out this offset.
121 *
122 * This offset is subtracted from times above by acquire_boot_times(),
123 * but it still needs to be subtracted from unit-specific timestamps
124 * (so it is stored here for reference).
125 */
126 usec_t reverse_offset;
127 };
128
129 struct unit_times {
130 bool has_data;
131 char *name;
132 usec_t activating;
133 usec_t activated;
134 usec_t deactivated;
135 usec_t deactivating;
136 usec_t time;
137 };
138
139 struct host_info {
140 char *hostname;
141 char *kernel_name;
142 char *kernel_release;
143 char *kernel_version;
144 char *os_pretty_name;
145 char *virtualization;
146 char *architecture;
147 };
148
149 static int acquire_bus(sd_bus **bus, bool *use_full_bus) {
150 bool user = arg_scope != UNIT_FILE_SYSTEM;
151 int r;
152
153 if (use_full_bus && *use_full_bus) {
154 r = bus_connect_transport(arg_transport, arg_host, user, bus);
155 if (IN_SET(r, 0, -EHOSTDOWN))
156 return r;
157
158 *use_full_bus = false;
159 }
160
161 return bus_connect_transport_systemd(arg_transport, arg_host, user, bus);
162 }
163
164 static int bus_get_uint64_property(sd_bus *bus, const char *path, const char *interface, const char *property, uint64_t *val) {
165 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
166 int r;
167
168 assert(bus);
169 assert(path);
170 assert(interface);
171 assert(property);
172 assert(val);
173
174 r = sd_bus_get_property_trivial(
175 bus,
176 "org.freedesktop.systemd1",
177 path,
178 interface,
179 property,
180 &error,
181 't', val);
182
183 if (r < 0)
184 return log_error_errno(r, "Failed to parse reply: %s", bus_error_message(&error, r));
185
186 return 0;
187 }
188
189 static int bus_get_unit_property_strv(sd_bus *bus, const char *path, const char *property, char ***strv) {
190 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
191 int r;
192
193 assert(bus);
194 assert(path);
195 assert(property);
196 assert(strv);
197
198 r = sd_bus_get_property_strv(
199 bus,
200 "org.freedesktop.systemd1",
201 path,
202 "org.freedesktop.systemd1.Unit",
203 property,
204 &error,
205 strv);
206 if (r < 0)
207 return log_error_errno(r, "Failed to get unit property %s: %s", property, bus_error_message(&error, r));
208
209 return 0;
210 }
211
212 static int compare_unit_start(const struct unit_times *a, const struct unit_times *b) {
213 return CMP(a->activating, b->activating);
214 }
215
216 static void unit_times_free(struct unit_times *t) {
217 struct unit_times *p;
218
219 for (p = t; p->has_data; p++)
220 free(p->name);
221 free(t);
222 }
223
224 DEFINE_TRIVIAL_CLEANUP_FUNC(struct unit_times *, unit_times_free);
225
226 static void subtract_timestamp(usec_t *a, usec_t b) {
227 assert(a);
228
229 if (*a > 0) {
230 assert(*a >= b);
231 *a -= b;
232 }
233 }
234
235 static int acquire_boot_times(sd_bus *bus, struct boot_times **bt) {
236 static const struct bus_properties_map property_map[] = {
237 { "FirmwareTimestampMonotonic", "t", NULL, offsetof(struct boot_times, firmware_time) },
238 { "LoaderTimestampMonotonic", "t", NULL, offsetof(struct boot_times, loader_time) },
239 { "KernelTimestamp", "t", NULL, offsetof(struct boot_times, kernel_time) },
240 { "InitRDTimestampMonotonic", "t", NULL, offsetof(struct boot_times, initrd_time) },
241 { "UserspaceTimestampMonotonic", "t", NULL, offsetof(struct boot_times, userspace_time) },
242 { "FinishTimestampMonotonic", "t", NULL, offsetof(struct boot_times, finish_time) },
243 { "SecurityStartTimestampMonotonic", "t", NULL, offsetof(struct boot_times, security_start_time) },
244 { "SecurityFinishTimestampMonotonic", "t", NULL, offsetof(struct boot_times, security_finish_time) },
245 { "GeneratorsStartTimestampMonotonic", "t", NULL, offsetof(struct boot_times, generators_start_time) },
246 { "GeneratorsFinishTimestampMonotonic", "t", NULL, offsetof(struct boot_times, generators_finish_time) },
247 { "UnitsLoadStartTimestampMonotonic", "t", NULL, offsetof(struct boot_times, unitsload_start_time) },
248 { "UnitsLoadFinishTimestampMonotonic", "t", NULL, offsetof(struct boot_times, unitsload_finish_time) },
249 { "InitRDSecurityStartTimestampMonotonic", "t", NULL, offsetof(struct boot_times, initrd_security_start_time) },
250 { "InitRDSecurityFinishTimestampMonotonic", "t", NULL, offsetof(struct boot_times, initrd_security_finish_time) },
251 { "InitRDGeneratorsStartTimestampMonotonic", "t", NULL, offsetof(struct boot_times, initrd_generators_start_time) },
252 { "InitRDGeneratorsFinishTimestampMonotonic", "t", NULL, offsetof(struct boot_times, initrd_generators_finish_time) },
253 { "InitRDUnitsLoadStartTimestampMonotonic", "t", NULL, offsetof(struct boot_times, initrd_unitsload_start_time) },
254 { "InitRDUnitsLoadFinishTimestampMonotonic", "t", NULL, offsetof(struct boot_times, initrd_unitsload_finish_time) },
255 {},
256 };
257 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
258 static struct boot_times times;
259 static bool cached = false;
260 int r;
261
262 if (cached)
263 goto finish;
264
265 assert_cc(sizeof(usec_t) == sizeof(uint64_t));
266
267 r = bus_map_all_properties(
268 bus,
269 "org.freedesktop.systemd1",
270 "/org/freedesktop/systemd1",
271 property_map,
272 BUS_MAP_STRDUP,
273 &error,
274 NULL,
275 &times);
276 if (r < 0)
277 return log_error_errno(r, "Failed to get timestamp properties: %s", bus_error_message(&error, r));
278
279 if (times.finish_time <= 0)
280 return log_error_errno(SYNTHETIC_ERRNO(EINPROGRESS),
281 "Bootup is not yet finished (org.freedesktop.systemd1.Manager.FinishTimestampMonotonic=%"PRIu64").\n"
282 "Please try again later.\n"
283 "Hint: Use 'systemctl%s list-jobs' to see active jobs",
284 times.finish_time,
285 arg_scope == UNIT_FILE_SYSTEM ? "" : " --user");
286
287 if (arg_scope == UNIT_FILE_SYSTEM && times.security_start_time > 0) {
288 /* security_start_time is set when systemd is not running under container environment. */
289 if (times.initrd_time > 0)
290 times.kernel_done_time = times.initrd_time;
291 else
292 times.kernel_done_time = times.userspace_time;
293 } else {
294 /*
295 * User-instance-specific or container-system-specific timestamps processing
296 * (see comment to reverse_offset in struct boot_times).
297 */
298 times.reverse_offset = times.userspace_time;
299
300 times.firmware_time = times.loader_time = times.kernel_time = times.initrd_time =
301 times.userspace_time = times.security_start_time = times.security_finish_time = 0;
302
303 subtract_timestamp(&times.finish_time, times.reverse_offset);
304
305 subtract_timestamp(&times.generators_start_time, times.reverse_offset);
306 subtract_timestamp(&times.generators_finish_time, times.reverse_offset);
307
308 subtract_timestamp(&times.unitsload_start_time, times.reverse_offset);
309 subtract_timestamp(&times.unitsload_finish_time, times.reverse_offset);
310 }
311
312 cached = true;
313
314 finish:
315 *bt = &times;
316 return 0;
317 }
318
319 static void free_host_info(struct host_info *hi) {
320 if (!hi)
321 return;
322
323 free(hi->hostname);
324 free(hi->kernel_name);
325 free(hi->kernel_release);
326 free(hi->kernel_version);
327 free(hi->os_pretty_name);
328 free(hi->virtualization);
329 free(hi->architecture);
330 free(hi);
331 }
332
333 DEFINE_TRIVIAL_CLEANUP_FUNC(struct host_info *, free_host_info);
334
335 static int acquire_time_data(sd_bus *bus, struct unit_times **out) {
336 static const struct bus_properties_map property_map[] = {
337 { "InactiveExitTimestampMonotonic", "t", NULL, offsetof(struct unit_times, activating) },
338 { "ActiveEnterTimestampMonotonic", "t", NULL, offsetof(struct unit_times, activated) },
339 { "ActiveExitTimestampMonotonic", "t", NULL, offsetof(struct unit_times, deactivating) },
340 { "InactiveEnterTimestampMonotonic", "t", NULL, offsetof(struct unit_times, deactivated) },
341 {},
342 };
343 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
344 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
345 _cleanup_(unit_times_freep) struct unit_times *unit_times = NULL;
346 struct boot_times *boot_times = NULL;
347 size_t allocated = 0, c = 0;
348 UnitInfo u;
349 int r;
350
351 r = acquire_boot_times(bus, &boot_times);
352 if (r < 0)
353 return r;
354
355 r = bus_call_method(bus, bus_systemd_mgr, "ListUnits", &error, &reply, NULL);
356 if (r < 0)
357 return log_error_errno(r, "Failed to list units: %s", bus_error_message(&error, r));
358
359 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssssssouso)");
360 if (r < 0)
361 return bus_log_parse_error(r);
362
363 while ((r = bus_parse_unit_info(reply, &u)) > 0) {
364 struct unit_times *t;
365
366 if (!GREEDY_REALLOC(unit_times, allocated, c + 2))
367 return log_oom();
368
369 unit_times[c + 1].has_data = false;
370 t = &unit_times[c];
371 t->name = NULL;
372
373 assert_cc(sizeof(usec_t) == sizeof(uint64_t));
374
375 r = bus_map_all_properties(
376 bus,
377 "org.freedesktop.systemd1",
378 u.unit_path,
379 property_map,
380 BUS_MAP_STRDUP,
381 &error,
382 NULL,
383 t);
384 if (r < 0)
385 return log_error_errno(r, "Failed to get timestamp properties of unit %s: %s",
386 u.id, bus_error_message(&error, r));
387
388 subtract_timestamp(&t->activating, boot_times->reverse_offset);
389 subtract_timestamp(&t->activated, boot_times->reverse_offset);
390 subtract_timestamp(&t->deactivating, boot_times->reverse_offset);
391 subtract_timestamp(&t->deactivated, boot_times->reverse_offset);
392
393 if (t->activated >= t->activating)
394 t->time = t->activated - t->activating;
395 else if (t->deactivated >= t->activating)
396 t->time = t->deactivated - t->activating;
397 else
398 t->time = 0;
399
400 if (t->activating == 0)
401 continue;
402
403 t->name = strdup(u.id);
404 if (!t->name)
405 return log_oom();
406
407 t->has_data = true;
408 c++;
409 }
410 if (r < 0)
411 return bus_log_parse_error(r);
412
413 *out = TAKE_PTR(unit_times);
414 return c;
415 }
416
417 static int acquire_host_info(sd_bus *bus, struct host_info **hi) {
418 static const struct bus_properties_map hostname_map[] = {
419 { "Hostname", "s", NULL, offsetof(struct host_info, hostname) },
420 { "KernelName", "s", NULL, offsetof(struct host_info, kernel_name) },
421 { "KernelRelease", "s", NULL, offsetof(struct host_info, kernel_release) },
422 { "KernelVersion", "s", NULL, offsetof(struct host_info, kernel_version) },
423 { "OperatingSystemPrettyName", "s", NULL, offsetof(struct host_info, os_pretty_name) },
424 {}
425 };
426
427 static const struct bus_properties_map manager_map[] = {
428 { "Virtualization", "s", NULL, offsetof(struct host_info, virtualization) },
429 { "Architecture", "s", NULL, offsetof(struct host_info, architecture) },
430 {}
431 };
432
433 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
434 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *system_bus = NULL;
435 _cleanup_(free_host_infop) struct host_info *host;
436 int r;
437
438 host = new0(struct host_info, 1);
439 if (!host)
440 return log_oom();
441
442 if (arg_scope != UNIT_FILE_SYSTEM) {
443 r = bus_connect_transport(arg_transport, arg_host, false, &system_bus);
444 if (r < 0) {
445 log_debug_errno(r, "Failed to connect to system bus, ignoring: %m");
446 goto manager;
447 }
448 }
449
450 r = bus_map_all_properties(
451 system_bus ?: bus,
452 "org.freedesktop.hostname1",
453 "/org/freedesktop/hostname1",
454 hostname_map,
455 BUS_MAP_STRDUP,
456 &error,
457 NULL,
458 host);
459 if (r < 0) {
460 log_debug_errno(r, "Failed to get host information from systemd-hostnamed, ignoring: %s",
461 bus_error_message(&error, r));
462 sd_bus_error_free(&error);
463 }
464
465 manager:
466 r = bus_map_all_properties(
467 bus,
468 "org.freedesktop.systemd1",
469 "/org/freedesktop/systemd1",
470 manager_map,
471 BUS_MAP_STRDUP,
472 &error,
473 NULL,
474 host);
475 if (r < 0)
476 return log_error_errno(r, "Failed to get host information from systemd: %s",
477 bus_error_message(&error, r));
478
479 *hi = TAKE_PTR(host);
480 return 0;
481 }
482
483 static int pretty_boot_time(sd_bus *bus, char **_buf) {
484 char ts[FORMAT_TIMESPAN_MAX];
485 struct boot_times *t;
486 static char buf[4096];
487 size_t size;
488 char *ptr;
489 int r;
490 usec_t activated_time = USEC_INFINITY;
491 _cleanup_free_ char *path = NULL, *unit_id = NULL;
492 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
493
494 r = acquire_boot_times(bus, &t);
495 if (r < 0)
496 return r;
497
498 path = unit_dbus_path_from_name(SPECIAL_DEFAULT_TARGET);
499 if (!path)
500 return log_oom();
501
502 r = sd_bus_get_property_string(
503 bus,
504 "org.freedesktop.systemd1",
505 path,
506 "org.freedesktop.systemd1.Unit",
507 "Id",
508 &error,
509 &unit_id);
510 if (r < 0) {
511 log_error_errno(r, "default.target doesn't seem to exist: %s", bus_error_message(&error, r));
512 unit_id = NULL;
513 }
514
515 r = bus_get_uint64_property(bus, path,
516 "org.freedesktop.systemd1.Unit",
517 "ActiveEnterTimestampMonotonic",
518 &activated_time);
519 if (r < 0) {
520 log_info_errno(r, "Could not get time to reach default.target, ignoring: %m");
521 activated_time = USEC_INFINITY;
522 }
523
524 ptr = buf;
525 size = sizeof(buf);
526
527 size = strpcpyf(&ptr, size, "Startup finished in ");
528 if (t->firmware_time > 0)
529 size = strpcpyf(&ptr, size, "%s (firmware) + ", format_timespan(ts, sizeof(ts), t->firmware_time - t->loader_time, USEC_PER_MSEC));
530 if (t->loader_time > 0)
531 size = strpcpyf(&ptr, size, "%s (loader) + ", format_timespan(ts, sizeof(ts), t->loader_time, USEC_PER_MSEC));
532 if (t->kernel_done_time > 0)
533 size = strpcpyf(&ptr, size, "%s (kernel) + ", format_timespan(ts, sizeof(ts), t->kernel_done_time, USEC_PER_MSEC));
534 if (t->initrd_time > 0)
535 size = strpcpyf(&ptr, size, "%s (initrd) + ", format_timespan(ts, sizeof(ts), t->userspace_time - t->initrd_time, USEC_PER_MSEC));
536
537 size = strpcpyf(&ptr, size, "%s (userspace) ", format_timespan(ts, sizeof(ts), t->finish_time - t->userspace_time, USEC_PER_MSEC));
538 if (t->kernel_done_time > 0)
539 strpcpyf(&ptr, size, "= %s ", format_timespan(ts, sizeof(ts), t->firmware_time + t->finish_time, USEC_PER_MSEC));
540
541 if (unit_id && timestamp_is_set(activated_time)) {
542 usec_t base = t->userspace_time > 0 ? t->userspace_time : t->reverse_offset;
543
544 size = strpcpyf(&ptr, size, "\n%s reached after %s in userspace", unit_id,
545 format_timespan(ts, sizeof(ts), activated_time - base, USEC_PER_MSEC));
546 } else if (unit_id && activated_time == 0)
547 size = strpcpyf(&ptr, size, "\n%s was never reached", unit_id);
548 else if (unit_id && activated_time == USEC_INFINITY)
549 size = strpcpyf(&ptr, size, "\nCould not get time to reach %s.", unit_id);
550 else if (!unit_id)
551 size = strpcpyf(&ptr, size, "\ncould not find default.target");
552
553 ptr = strdup(buf);
554 if (!ptr)
555 return log_oom();
556
557 *_buf = ptr;
558 return 0;
559 }
560
561 static void svg_graph_box(double height, double begin, double end) {
562 long long i;
563
564 /* outside box, fill */
565 svg("<rect class=\"box\" x=\"0\" y=\"0\" width=\"%.03f\" height=\"%.03f\" />\n",
566 SCALE_X * (end - begin),
567 SCALE_Y * height);
568
569 for (i = ((long long) (begin / 100000)) * 100000; i <= end; i += 100000) {
570 /* lines for each second */
571 if (i % 5000000 == 0)
572 svg(" <line class=\"sec5\" x1=\"%.03f\" y1=\"0\" x2=\"%.03f\" y2=\"%.03f\" />\n"
573 " <text class=\"sec\" x=\"%.03f\" y=\"%.03f\" >%.01fs</text>\n",
574 SCALE_X * i,
575 SCALE_X * i,
576 SCALE_Y * height,
577 SCALE_X * i,
578 -5.0,
579 0.000001 * i);
580 else if (i % 1000000 == 0)
581 svg(" <line class=\"sec1\" x1=\"%.03f\" y1=\"0\" x2=\"%.03f\" y2=\"%.03f\" />\n"
582 " <text class=\"sec\" x=\"%.03f\" y=\"%.03f\" >%.01fs</text>\n",
583 SCALE_X * i,
584 SCALE_X * i,
585 SCALE_Y * height,
586 SCALE_X * i,
587 -5.0,
588 0.000001 * i);
589 else
590 svg(" <line class=\"sec01\" x1=\"%.03f\" y1=\"0\" x2=\"%.03f\" y2=\"%.03f\" />\n",
591 SCALE_X * i,
592 SCALE_X * i,
593 SCALE_Y * height);
594 }
595 }
596
597 static int plot_unit_times(struct unit_times *u, double width, int y) {
598 char ts[FORMAT_TIMESPAN_MAX];
599 bool b;
600
601 if (!u->name)
602 return 0;
603
604 svg_bar("activating", u->activating, u->activated, y);
605 svg_bar("active", u->activated, u->deactivating, y);
606 svg_bar("deactivating", u->deactivating, u->deactivated, y);
607
608 /* place the text on the left if we have passed the half of the svg width */
609 b = u->activating * SCALE_X < width / 2;
610 if (u->time)
611 svg_text(b, u->activating, y, "%s (%s)",
612 u->name, format_timespan(ts, sizeof(ts), u->time, USEC_PER_MSEC));
613 else
614 svg_text(b, u->activating, y, "%s", u->name);
615
616 return 1;
617 }
618
619 static int analyze_plot(int argc, char *argv[], void *userdata) {
620 _cleanup_(free_host_infop) struct host_info *host = NULL;
621 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
622 _cleanup_(unit_times_freep) struct unit_times *times = NULL;
623 _cleanup_free_ char *pretty_times = NULL;
624 bool use_full_bus = arg_scope == UNIT_FILE_SYSTEM;
625 struct boot_times *boot;
626 struct unit_times *u;
627 int n, m = 1, y = 0, r;
628 double width;
629
630 r = acquire_bus(&bus, &use_full_bus);
631 if (r < 0)
632 return bus_log_connect_error(r);
633
634 n = acquire_boot_times(bus, &boot);
635 if (n < 0)
636 return n;
637
638 n = pretty_boot_time(bus, &pretty_times);
639 if (n < 0)
640 return n;
641
642 if (use_full_bus || arg_scope != UNIT_FILE_SYSTEM) {
643 n = acquire_host_info(bus, &host);
644 if (n < 0)
645 return n;
646 }
647
648 n = acquire_time_data(bus, &times);
649 if (n <= 0)
650 return n;
651
652 typesafe_qsort(times, n, compare_unit_start);
653
654 width = SCALE_X * (boot->firmware_time + boot->finish_time);
655 if (width < 800.0)
656 width = 800.0;
657
658 if (boot->firmware_time > boot->loader_time)
659 m++;
660 if (boot->loader_time > 0) {
661 m++;
662 if (width < 1000.0)
663 width = 1000.0;
664 }
665 if (boot->initrd_time > 0)
666 m++;
667 if (boot->kernel_done_time > 0)
668 m++;
669
670 for (u = times; u->has_data; u++) {
671 double text_start, text_width;
672
673 if (u->activating > boot->finish_time) {
674 u->name = mfree(u->name);
675 continue;
676 }
677
678 /* If the text cannot fit on the left side then
679 * increase the svg width so it fits on the right.
680 * TODO: calculate the text width more accurately */
681 text_width = 8.0 * strlen(u->name);
682 text_start = (boot->firmware_time + u->activating) * SCALE_X;
683 if (text_width > text_start && text_width + text_start > width)
684 width = text_width + text_start;
685
686 if (u->deactivated > u->activating &&
687 u->deactivated <= boot->finish_time &&
688 u->activated == 0 && u->deactivating == 0)
689 u->activated = u->deactivating = u->deactivated;
690 if (u->activated < u->activating || u->activated > boot->finish_time)
691 u->activated = boot->finish_time;
692 if (u->deactivating < u->activated || u->deactivating > boot->finish_time)
693 u->deactivating = boot->finish_time;
694 if (u->deactivated < u->deactivating || u->deactivated > boot->finish_time)
695 u->deactivated = boot->finish_time;
696 m++;
697 }
698
699 svg("<?xml version=\"1.0\" standalone=\"no\"?>\n"
700 "<!DOCTYPE svg PUBLIC \"-//W3C//DTD SVG 1.1//EN\" "
701 "\"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd\">\n");
702
703 svg("<svg width=\"%.0fpx\" height=\"%.0fpx\" version=\"1.1\" "
704 "xmlns=\"http://www.w3.org/2000/svg\">\n\n",
705 80.0 + width, 150.0 + (m * SCALE_Y) +
706 5 * SCALE_Y /* legend */);
707
708 /* write some basic info as a comment, including some help */
709 svg("<!-- This file is a systemd-analyze SVG file. It is best rendered in a -->\n"
710 "<!-- browser such as Chrome, Chromium or Firefox. Other applications -->\n"
711 "<!-- that render these files properly but much slower are ImageMagick, -->\n"
712 "<!-- gimp, inkscape, etc. To display the files on your system, just -->\n"
713 "<!-- point your browser to this file. -->\n\n"
714 "<!-- This plot was generated by systemd-analyze version %-16.16s -->\n\n", GIT_VERSION);
715
716 /* style sheet */
717 svg("<defs>\n <style type=\"text/css\">\n <![CDATA[\n"
718 " rect { stroke-width: 1; stroke-opacity: 0; }\n"
719 " rect.background { fill: rgb(255,255,255); }\n"
720 " rect.activating { fill: rgb(255,0,0); fill-opacity: 0.7; }\n"
721 " rect.active { fill: rgb(200,150,150); fill-opacity: 0.7; }\n"
722 " rect.deactivating { fill: rgb(150,100,100); fill-opacity: 0.7; }\n"
723 " rect.kernel { fill: rgb(150,150,150); fill-opacity: 0.7; }\n"
724 " rect.initrd { fill: rgb(150,150,150); fill-opacity: 0.7; }\n"
725 " rect.firmware { fill: rgb(150,150,150); fill-opacity: 0.7; }\n"
726 " rect.loader { fill: rgb(150,150,150); fill-opacity: 0.7; }\n"
727 " rect.userspace { fill: rgb(150,150,150); fill-opacity: 0.7; }\n"
728 " rect.security { fill: rgb(144,238,144); fill-opacity: 0.7; }\n"
729 " rect.generators { fill: rgb(102,204,255); fill-opacity: 0.7; }\n"
730 " rect.unitsload { fill: rgb( 82,184,255); fill-opacity: 0.7; }\n"
731 " rect.box { fill: rgb(240,240,240); stroke: rgb(192,192,192); }\n"
732 " line { stroke: rgb(64,64,64); stroke-width: 1; }\n"
733 "// line.sec1 { }\n"
734 " line.sec5 { stroke-width: 2; }\n"
735 " line.sec01 { stroke: rgb(224,224,224); stroke-width: 1; }\n"
736 " text { font-family: Verdana, Helvetica; font-size: 14px; }\n"
737 " text.left { font-family: Verdana, Helvetica; font-size: 14px; text-anchor: start; }\n"
738 " text.right { font-family: Verdana, Helvetica; font-size: 14px; text-anchor: end; }\n"
739 " text.sec { font-size: 10px; }\n"
740 " ]]>\n </style>\n</defs>\n\n");
741
742 svg("<rect class=\"background\" width=\"100%%\" height=\"100%%\" />\n");
743 svg("<text x=\"20\" y=\"50\">%s</text>", pretty_times);
744 if (host)
745 svg("<text x=\"20\" y=\"30\">%s %s (%s %s %s) %s %s</text>",
746 isempty(host->os_pretty_name) ? "Linux" : host->os_pretty_name,
747 strempty(host->hostname),
748 strempty(host->kernel_name),
749 strempty(host->kernel_release),
750 strempty(host->kernel_version),
751 strempty(host->architecture),
752 strempty(host->virtualization));
753
754 svg("<g transform=\"translate(%.3f,100)\">\n", 20.0 + (SCALE_X * boot->firmware_time));
755 svg_graph_box(m, -(double) boot->firmware_time, boot->finish_time);
756
757 if (boot->firmware_time > 0) {
758 svg_bar("firmware", -(double) boot->firmware_time, -(double) boot->loader_time, y);
759 svg_text(true, -(double) boot->firmware_time, y, "firmware");
760 y++;
761 }
762 if (boot->loader_time > 0) {
763 svg_bar("loader", -(double) boot->loader_time, 0, y);
764 svg_text(true, -(double) boot->loader_time, y, "loader");
765 y++;
766 }
767 if (boot->kernel_done_time > 0) {
768 svg_bar("kernel", 0, boot->kernel_done_time, y);
769 svg_text(true, 0, y, "kernel");
770 y++;
771 }
772 if (boot->initrd_time > 0) {
773 svg_bar("initrd", boot->initrd_time, boot->userspace_time, y);
774 if (boot->initrd_security_start_time < boot->initrd_security_finish_time)
775 svg_bar("security", boot->initrd_security_start_time, boot->initrd_security_finish_time, y);
776 if (boot->initrd_generators_start_time < boot->initrd_generators_finish_time)
777 svg_bar("generators", boot->initrd_generators_start_time, boot->initrd_generators_finish_time, y);
778 if (boot->initrd_unitsload_start_time < boot->initrd_unitsload_finish_time)
779 svg_bar("unitsload", boot->initrd_unitsload_start_time, boot->initrd_unitsload_finish_time, y);
780 svg_text(true, boot->initrd_time, y, "initrd");
781 y++;
782 }
783
784 for (u = times; u->has_data; u++) {
785 if (u->activating >= boot->userspace_time)
786 break;
787
788 y += plot_unit_times(u, width, y);
789 }
790
791 svg_bar("active", boot->userspace_time, boot->finish_time, y);
792 if (boot->security_start_time > 0)
793 svg_bar("security", boot->security_start_time, boot->security_finish_time, y);
794 svg_bar("generators", boot->generators_start_time, boot->generators_finish_time, y);
795 svg_bar("unitsload", boot->unitsload_start_time, boot->unitsload_finish_time, y);
796 svg_text(true, boot->userspace_time, y, "systemd");
797 y++;
798
799 for (; u->has_data; u++)
800 y += plot_unit_times(u, width, y);
801
802 svg("</g>\n");
803
804 /* Legend */
805 svg("<g transform=\"translate(20,100)\">\n");
806 y++;
807 svg_bar("activating", 0, 300000, y);
808 svg_text(true, 400000, y, "Activating");
809 y++;
810 svg_bar("active", 0, 300000, y);
811 svg_text(true, 400000, y, "Active");
812 y++;
813 svg_bar("deactivating", 0, 300000, y);
814 svg_text(true, 400000, y, "Deactivating");
815 y++;
816 if (boot->security_start_time > 0) {
817 svg_bar("security", 0, 300000, y);
818 svg_text(true, 400000, y, "Setting up security module");
819 y++;
820 }
821 svg_bar("generators", 0, 300000, y);
822 svg_text(true, 400000, y, "Generators");
823 y++;
824 svg_bar("unitsload", 0, 300000, y);
825 svg_text(true, 400000, y, "Loading unit files");
826 y++;
827
828 svg("</g>\n\n");
829
830 svg("</svg>\n");
831
832 return 0;
833 }
834
835 static int list_dependencies_print(
836 const char *name,
837 unsigned level,
838 unsigned branches,
839 bool last,
840 struct unit_times *times,
841 struct boot_times *boot) {
842
843 unsigned i;
844 char ts[FORMAT_TIMESPAN_MAX], ts2[FORMAT_TIMESPAN_MAX];
845
846 for (i = level; i != 0; i--)
847 printf("%s", special_glyph(branches & (1 << (i-1)) ? SPECIAL_GLYPH_TREE_VERTICAL : SPECIAL_GLYPH_TREE_SPACE));
848
849 printf("%s", special_glyph(last ? SPECIAL_GLYPH_TREE_RIGHT : SPECIAL_GLYPH_TREE_BRANCH));
850
851 if (times) {
852 if (times->time > 0)
853 printf("%s%s @%s +%s%s", ansi_highlight_red(), name,
854 format_timespan(ts, sizeof(ts), times->activating - boot->userspace_time, USEC_PER_MSEC),
855 format_timespan(ts2, sizeof(ts2), times->time, USEC_PER_MSEC), ansi_normal());
856 else if (times->activated > boot->userspace_time)
857 printf("%s @%s", name, format_timespan(ts, sizeof(ts), times->activated - boot->userspace_time, USEC_PER_MSEC));
858 else
859 printf("%s", name);
860 } else
861 printf("%s", name);
862 printf("\n");
863
864 return 0;
865 }
866
867 static int list_dependencies_get_dependencies(sd_bus *bus, const char *name, char ***deps) {
868 _cleanup_free_ char *path = NULL;
869
870 assert(bus);
871 assert(name);
872 assert(deps);
873
874 path = unit_dbus_path_from_name(name);
875 if (!path)
876 return -ENOMEM;
877
878 return bus_get_unit_property_strv(bus, path, "After", deps);
879 }
880
881 static Hashmap *unit_times_hashmap;
882
883 static int list_dependencies_compare(char *const *a, char *const *b) {
884 usec_t usa = 0, usb = 0;
885 struct unit_times *times;
886
887 times = hashmap_get(unit_times_hashmap, *a);
888 if (times)
889 usa = times->activated;
890 times = hashmap_get(unit_times_hashmap, *b);
891 if (times)
892 usb = times->activated;
893
894 return CMP(usb, usa);
895 }
896
897 static bool times_in_range(const struct unit_times *times, const struct boot_times *boot) {
898 return times && times->activated > 0 && times->activated <= boot->finish_time;
899 }
900
901 static int list_dependencies_one(sd_bus *bus, const char *name, unsigned level, char ***units, unsigned branches) {
902 _cleanup_strv_free_ char **deps = NULL;
903 char **c;
904 int r;
905 usec_t service_longest = 0;
906 int to_print = 0;
907 struct unit_times *times;
908 struct boot_times *boot;
909
910 if (strv_extend(units, name))
911 return log_oom();
912
913 r = list_dependencies_get_dependencies(bus, name, &deps);
914 if (r < 0)
915 return r;
916
917 typesafe_qsort(deps, strv_length(deps), list_dependencies_compare);
918
919 r = acquire_boot_times(bus, &boot);
920 if (r < 0)
921 return r;
922
923 STRV_FOREACH(c, deps) {
924 times = hashmap_get(unit_times_hashmap, *c);
925 if (times_in_range(times, boot) && times->activated >= service_longest)
926 service_longest = times->activated;
927 }
928
929 if (service_longest == 0)
930 return r;
931
932 STRV_FOREACH(c, deps) {
933 times = hashmap_get(unit_times_hashmap, *c);
934 if (times_in_range(times, boot) && service_longest - times->activated <= arg_fuzz)
935 to_print++;
936 }
937
938 if (!to_print)
939 return r;
940
941 STRV_FOREACH(c, deps) {
942 times = hashmap_get(unit_times_hashmap, *c);
943 if (!times_in_range(times, boot) || service_longest - times->activated > arg_fuzz)
944 continue;
945
946 to_print--;
947
948 r = list_dependencies_print(*c, level, branches, to_print == 0, times, boot);
949 if (r < 0)
950 return r;
951
952 if (strv_contains(*units, *c)) {
953 r = list_dependencies_print("...", level + 1, (branches << 1) | (to_print ? 1 : 0),
954 true, NULL, boot);
955 if (r < 0)
956 return r;
957 continue;
958 }
959
960 r = list_dependencies_one(bus, *c, level + 1, units, (branches << 1) | (to_print ? 1 : 0));
961 if (r < 0)
962 return r;
963
964 if (to_print == 0)
965 break;
966 }
967 return 0;
968 }
969
970 static int list_dependencies(sd_bus *bus, const char *name) {
971 _cleanup_strv_free_ char **units = NULL;
972 char ts[FORMAT_TIMESPAN_MAX];
973 struct unit_times *times;
974 int r;
975 const char *id;
976 _cleanup_free_ char *path = NULL;
977 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
978 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
979 struct boot_times *boot;
980
981 assert(bus);
982
983 path = unit_dbus_path_from_name(name);
984 if (!path)
985 return -ENOMEM;
986
987 r = sd_bus_get_property(
988 bus,
989 "org.freedesktop.systemd1",
990 path,
991 "org.freedesktop.systemd1.Unit",
992 "Id",
993 &error,
994 &reply,
995 "s");
996 if (r < 0)
997 return log_error_errno(r, "Failed to get ID: %s", bus_error_message(&error, r));
998
999 r = sd_bus_message_read(reply, "s", &id);
1000 if (r < 0)
1001 return bus_log_parse_error(r);
1002
1003 times = hashmap_get(unit_times_hashmap, id);
1004
1005 r = acquire_boot_times(bus, &boot);
1006 if (r < 0)
1007 return r;
1008
1009 if (times) {
1010 if (times->time)
1011 printf("%s%s +%s%s\n", ansi_highlight_red(), id,
1012 format_timespan(ts, sizeof(ts), times->time, USEC_PER_MSEC), ansi_normal());
1013 else if (times->activated > boot->userspace_time)
1014 printf("%s @%s\n", id, format_timespan(ts, sizeof(ts), times->activated - boot->userspace_time, USEC_PER_MSEC));
1015 else
1016 printf("%s\n", id);
1017 }
1018
1019 return list_dependencies_one(bus, name, 0, &units, 0);
1020 }
1021
1022 static int analyze_critical_chain(int argc, char *argv[], void *userdata) {
1023 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
1024 _cleanup_(unit_times_freep) struct unit_times *times = NULL;
1025 struct unit_times *u;
1026 Hashmap *h;
1027 int n, r;
1028
1029 r = acquire_bus(&bus, NULL);
1030 if (r < 0)
1031 return bus_log_connect_error(r);
1032
1033 n = acquire_time_data(bus, &times);
1034 if (n <= 0)
1035 return n;
1036
1037 h = hashmap_new(&string_hash_ops);
1038 if (!h)
1039 return log_oom();
1040
1041 for (u = times; u->has_data; u++) {
1042 r = hashmap_put(h, u->name, u);
1043 if (r < 0)
1044 return log_error_errno(r, "Failed to add entry to hashmap: %m");
1045 }
1046 unit_times_hashmap = h;
1047
1048 (void) pager_open(arg_pager_flags);
1049
1050 puts("The time when unit became active or started is printed after the \"@\" character.\n"
1051 "The time the unit took to start is printed after the \"+\" character.\n");
1052
1053 if (argc > 1) {
1054 char **name;
1055 STRV_FOREACH(name, strv_skip(argv, 1))
1056 list_dependencies(bus, *name);
1057 } else
1058 list_dependencies(bus, SPECIAL_DEFAULT_TARGET);
1059
1060 h = hashmap_free(h);
1061 return 0;
1062 }
1063
1064 static int analyze_blame(int argc, char *argv[], void *userdata) {
1065 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
1066 _cleanup_(unit_times_freep) struct unit_times *times = NULL;
1067 _cleanup_(table_unrefp) Table *table = NULL;
1068 struct unit_times *u;
1069 TableCell *cell;
1070 int n, r;
1071
1072 r = acquire_bus(&bus, NULL);
1073 if (r < 0)
1074 return bus_log_connect_error(r);
1075
1076 n = acquire_time_data(bus, &times);
1077 if (n <= 0)
1078 return n;
1079
1080 table = table_new("time", "unit");
1081 if (!table)
1082 return log_oom();
1083
1084 table_set_header(table, false);
1085
1086 assert_se(cell = table_get_cell(table, 0, 0));
1087 r = table_set_ellipsize_percent(table, cell, 100);
1088 if (r < 0)
1089 return r;
1090
1091 r = table_set_align_percent(table, cell, 100);
1092 if (r < 0)
1093 return r;
1094
1095 assert_se(cell = table_get_cell(table, 0, 1));
1096 r = table_set_ellipsize_percent(table, cell, 100);
1097 if (r < 0)
1098 return r;
1099
1100 r = table_set_sort(table, (size_t) 0, (size_t) SIZE_MAX);
1101 if (r < 0)
1102 return r;
1103
1104 r = table_set_reverse(table, 0, true);
1105 if (r < 0)
1106 return r;
1107
1108 for (u = times; u->has_data; u++) {
1109 if (u->time <= 0)
1110 continue;
1111
1112 r = table_add_many(table,
1113 TABLE_TIMESPAN_MSEC, u->time,
1114 TABLE_STRING, u->name);
1115 if (r < 0)
1116 return table_log_add_error(r);
1117 }
1118
1119 (void) pager_open(arg_pager_flags);
1120
1121 return table_print(table, NULL);
1122 }
1123
1124 static int analyze_time(int argc, char *argv[], void *userdata) {
1125 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
1126 _cleanup_free_ char *buf = NULL;
1127 int r;
1128
1129 r = acquire_bus(&bus, NULL);
1130 if (r < 0)
1131 return bus_log_connect_error(r);
1132
1133 r = pretty_boot_time(bus, &buf);
1134 if (r < 0)
1135 return r;
1136
1137 puts(buf);
1138 return 0;
1139 }
1140
1141 static int graph_one_property(
1142 sd_bus *bus,
1143 const UnitInfo *u,
1144 const char *prop,
1145 const char *color,
1146 char *patterns[],
1147 char *from_patterns[],
1148 char *to_patterns[]) {
1149
1150 _cleanup_strv_free_ char **units = NULL;
1151 char **unit;
1152 int r;
1153 bool match_patterns;
1154
1155 assert(u);
1156 assert(prop);
1157 assert(color);
1158
1159 match_patterns = strv_fnmatch(patterns, u->id);
1160
1161 if (!strv_isempty(from_patterns) && !match_patterns && !strv_fnmatch(from_patterns, u->id))
1162 return 0;
1163
1164 r = bus_get_unit_property_strv(bus, u->unit_path, prop, &units);
1165 if (r < 0)
1166 return r;
1167
1168 STRV_FOREACH(unit, units) {
1169 bool match_patterns2;
1170
1171 match_patterns2 = strv_fnmatch(patterns, *unit);
1172
1173 if (!strv_isempty(to_patterns) && !match_patterns2 && !strv_fnmatch(to_patterns, *unit))
1174 continue;
1175
1176 if (!strv_isempty(patterns) && !match_patterns && !match_patterns2)
1177 continue;
1178
1179 printf("\t\"%s\"->\"%s\" [color=\"%s\"];\n", u->id, *unit, color);
1180 }
1181
1182 return 0;
1183 }
1184
1185 static int graph_one(sd_bus *bus, const UnitInfo *u, char *patterns[], char *from_patterns[], char *to_patterns[]) {
1186 int r;
1187
1188 assert(bus);
1189 assert(u);
1190
1191 if (IN_SET(arg_dot, DEP_ORDER, DEP_ALL)) {
1192 r = graph_one_property(bus, u, "After", "green", patterns, from_patterns, to_patterns);
1193 if (r < 0)
1194 return r;
1195 }
1196
1197 if (IN_SET(arg_dot, DEP_REQUIRE, DEP_ALL)) {
1198 r = graph_one_property(bus, u, "Requires", "black", patterns, from_patterns, to_patterns);
1199 if (r < 0)
1200 return r;
1201 r = graph_one_property(bus, u, "Requisite", "darkblue", patterns, from_patterns, to_patterns);
1202 if (r < 0)
1203 return r;
1204 r = graph_one_property(bus, u, "Wants", "grey66", patterns, from_patterns, to_patterns);
1205 if (r < 0)
1206 return r;
1207 r = graph_one_property(bus, u, "Conflicts", "red", patterns, from_patterns, to_patterns);
1208 if (r < 0)
1209 return r;
1210 }
1211
1212 return 0;
1213 }
1214
1215 static int expand_patterns(sd_bus *bus, char **patterns, char ***ret) {
1216 _cleanup_strv_free_ char **expanded_patterns = NULL;
1217 char **pattern;
1218 int r;
1219
1220 STRV_FOREACH(pattern, patterns) {
1221 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1222 _cleanup_free_ char *unit = NULL, *unit_id = NULL;
1223
1224 if (strv_extend(&expanded_patterns, *pattern) < 0)
1225 return log_oom();
1226
1227 if (string_is_glob(*pattern))
1228 continue;
1229
1230 unit = unit_dbus_path_from_name(*pattern);
1231 if (!unit)
1232 return log_oom();
1233
1234 r = sd_bus_get_property_string(
1235 bus,
1236 "org.freedesktop.systemd1",
1237 unit,
1238 "org.freedesktop.systemd1.Unit",
1239 "Id",
1240 &error,
1241 &unit_id);
1242 if (r < 0)
1243 return log_error_errno(r, "Failed to get ID: %s", bus_error_message(&error, r));
1244
1245 if (!streq(*pattern, unit_id)) {
1246 if (strv_extend(&expanded_patterns, unit_id) < 0)
1247 return log_oom();
1248 }
1249 }
1250
1251 *ret = expanded_patterns;
1252 expanded_patterns = NULL; /* do not free */
1253
1254 return 0;
1255 }
1256
1257 static int dot(int argc, char *argv[], void *userdata) {
1258 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
1259 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1260 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
1261 _cleanup_strv_free_ char **expanded_patterns = NULL;
1262 _cleanup_strv_free_ char **expanded_from_patterns = NULL;
1263 _cleanup_strv_free_ char **expanded_to_patterns = NULL;
1264 int r;
1265 UnitInfo u;
1266
1267 r = acquire_bus(&bus, NULL);
1268 if (r < 0)
1269 return bus_log_connect_error(r);
1270
1271 r = expand_patterns(bus, strv_skip(argv, 1), &expanded_patterns);
1272 if (r < 0)
1273 return r;
1274
1275 r = expand_patterns(bus, arg_dot_from_patterns, &expanded_from_patterns);
1276 if (r < 0)
1277 return r;
1278
1279 r = expand_patterns(bus, arg_dot_to_patterns, &expanded_to_patterns);
1280 if (r < 0)
1281 return r;
1282
1283 r = bus_call_method(bus, bus_systemd_mgr, "ListUnits", &error, &reply, "");
1284 if (r < 0)
1285 log_error_errno(r, "Failed to list units: %s", bus_error_message(&error, r));
1286
1287 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssssssouso)");
1288 if (r < 0)
1289 return bus_log_parse_error(r);
1290
1291 printf("digraph systemd {\n");
1292
1293 while ((r = bus_parse_unit_info(reply, &u)) > 0) {
1294
1295 r = graph_one(bus, &u, expanded_patterns, expanded_from_patterns, expanded_to_patterns);
1296 if (r < 0)
1297 return r;
1298 }
1299 if (r < 0)
1300 return bus_log_parse_error(r);
1301
1302 printf("}\n");
1303
1304 log_info(" Color legend: black = Requires\n"
1305 " dark blue = Requisite\n"
1306 " dark grey = Wants\n"
1307 " red = Conflicts\n"
1308 " green = After\n");
1309
1310 if (on_tty())
1311 log_notice("-- You probably want to process this output with graphviz' dot tool.\n"
1312 "-- Try a shell pipeline like 'systemd-analyze dot | dot -Tsvg > systemd.svg'!\n");
1313
1314 return 0;
1315 }
1316
1317 static int dump_fallback(sd_bus *bus) {
1318 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1319 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
1320 const char *text = NULL;
1321 int r;
1322
1323 assert(bus);
1324
1325 r = bus_call_method(bus, bus_systemd_mgr, "Dump", &error, &reply, NULL);
1326 if (r < 0)
1327 return log_error_errno(r, "Failed to issue method call Dump: %s", bus_error_message(&error, r));
1328
1329 r = sd_bus_message_read(reply, "s", &text);
1330 if (r < 0)
1331 return bus_log_parse_error(r);
1332
1333 fputs(text, stdout);
1334 return 0;
1335 }
1336
1337 static int dump(int argc, char *argv[], void *userdata) {
1338 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1339 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
1340 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
1341 int fd = -1;
1342 int r;
1343
1344 r = acquire_bus(&bus, NULL);
1345 if (r < 0)
1346 return bus_log_connect_error(r);
1347
1348 (void) pager_open(arg_pager_flags);
1349
1350 if (!sd_bus_can_send(bus, SD_BUS_TYPE_UNIX_FD))
1351 return dump_fallback(bus);
1352
1353 r = bus_call_method(bus, bus_systemd_mgr, "DumpByFileDescriptor", &error, &reply, NULL);
1354 if (r < 0) {
1355 /* fall back to Dump if DumpByFileDescriptor is not supported */
1356 if (!IN_SET(r, -EACCES, -EBADR))
1357 return log_error_errno(r, "Failed to issue method call DumpByFileDescriptor: %s",
1358 bus_error_message(&error, r));
1359
1360 return dump_fallback(bus);
1361 }
1362
1363 r = sd_bus_message_read(reply, "h", &fd);
1364 if (r < 0)
1365 return bus_log_parse_error(r);
1366
1367 fflush(stdout);
1368 return copy_bytes(fd, STDOUT_FILENO, (uint64_t) -1, 0);
1369 }
1370
1371 static int cat_config(int argc, char *argv[], void *userdata) {
1372 char **arg, **list;
1373 int r;
1374
1375 (void) pager_open(arg_pager_flags);
1376
1377 list = strv_skip(argv, 1);
1378 STRV_FOREACH(arg, list) {
1379 const char *t = NULL;
1380
1381 if (arg != list)
1382 print_separator();
1383
1384 if (path_is_absolute(*arg)) {
1385 const char *dir;
1386
1387 NULSTR_FOREACH(dir, CONF_PATHS_NULSTR("")) {
1388 t = path_startswith(*arg, dir);
1389 if (t)
1390 break;
1391 }
1392
1393 if (!t)
1394 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
1395 "Path %s does not start with any known prefix.", *arg);
1396 } else
1397 t = *arg;
1398
1399 r = conf_files_cat(arg_root, t);
1400 if (r < 0)
1401 return r;
1402 }
1403
1404 return 0;
1405 }
1406
1407 static int set_log_level(int argc, char *argv[], void *userdata) {
1408 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1409 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
1410 int r;
1411
1412 assert(argc == 2);
1413 assert(argv);
1414
1415 r = acquire_bus(&bus, NULL);
1416 if (r < 0)
1417 return bus_log_connect_error(r);
1418
1419 r = bus_set_property(bus, bus_systemd_mgr, "LogLevel", &error, "s", argv[1]);
1420 if (r < 0)
1421 return log_error_errno(r, "Failed to issue method call: %s", bus_error_message(&error, r));
1422
1423 return 0;
1424 }
1425
1426 static int get_log_level(int argc, char *argv[], void *userdata) {
1427 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1428 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
1429 _cleanup_free_ char *level = NULL;
1430 int r;
1431
1432 r = acquire_bus(&bus, NULL);
1433 if (r < 0)
1434 return bus_log_connect_error(r);
1435
1436 r = bus_get_property_string(bus, bus_systemd_mgr, "LogLevel", &error, &level);
1437 if (r < 0)
1438 return log_error_errno(r, "Failed to get log level: %s", bus_error_message(&error, r));
1439
1440 puts(level);
1441 return 0;
1442 }
1443
1444 static int get_or_set_log_level(int argc, char *argv[], void *userdata) {
1445 return (argc == 1) ? get_log_level(argc, argv, userdata) : set_log_level(argc, argv, userdata);
1446 }
1447
1448 static int set_log_target(int argc, char *argv[], void *userdata) {
1449 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1450 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
1451 int r;
1452
1453 assert(argc == 2);
1454 assert(argv);
1455
1456 r = acquire_bus(&bus, NULL);
1457 if (r < 0)
1458 return bus_log_connect_error(r);
1459
1460 r = bus_set_property(bus, bus_systemd_mgr, "LogTarget", &error, "s", argv[1]);
1461 if (r < 0)
1462 return log_error_errno(r, "Failed to issue method call: %s", bus_error_message(&error, r));
1463
1464 return 0;
1465 }
1466
1467 static int get_log_target(int argc, char *argv[], void *userdata) {
1468 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1469 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
1470 _cleanup_free_ char *target = NULL;
1471 int r;
1472
1473 r = acquire_bus(&bus, NULL);
1474 if (r < 0)
1475 return bus_log_connect_error(r);
1476
1477 r = bus_get_property_string(bus, bus_systemd_mgr, "LogTarget", &error, &target);
1478 if (r < 0)
1479 return log_error_errno(r, "Failed to get log target: %s", bus_error_message(&error, r));
1480
1481 puts(target);
1482 return 0;
1483 }
1484
1485 static int get_or_set_log_target(int argc, char *argv[], void *userdata) {
1486 return (argc == 1) ? get_log_target(argc, argv, userdata) : set_log_target(argc, argv, userdata);
1487 }
1488
1489 static bool strv_fnmatch_strv_or_empty(char* const* patterns, char **strv, int flags) {
1490 char **s;
1491 STRV_FOREACH(s, strv)
1492 if (strv_fnmatch_or_empty(patterns, *s, flags))
1493 return true;
1494
1495 return false;
1496 }
1497
1498 static int do_unit_files(int argc, char *argv[], void *userdata) {
1499 _cleanup_(lookup_paths_free) LookupPaths lp = {};
1500 _cleanup_hashmap_free_ Hashmap *unit_ids = NULL;
1501 _cleanup_hashmap_free_ Hashmap *unit_names = NULL;
1502 char **patterns = strv_skip(argv, 1);
1503 const char *k, *dst;
1504 char **v;
1505 int r;
1506
1507 r = lookup_paths_init(&lp, arg_scope, 0, NULL);
1508 if (r < 0)
1509 return log_error_errno(r, "lookup_paths_init() failed: %m");
1510
1511 r = unit_file_build_name_map(&lp, NULL, &unit_ids, &unit_names, NULL);
1512 if (r < 0)
1513 return log_error_errno(r, "unit_file_build_name_map() failed: %m");
1514
1515 HASHMAP_FOREACH_KEY(dst, k, unit_ids) {
1516 if (!strv_fnmatch_or_empty(patterns, k, FNM_NOESCAPE) &&
1517 !strv_fnmatch_or_empty(patterns, dst, FNM_NOESCAPE))
1518 continue;
1519
1520 printf("ids: %s → %s\n", k, dst);
1521 }
1522
1523 HASHMAP_FOREACH_KEY(v, k, unit_names) {
1524 if (!strv_fnmatch_or_empty(patterns, k, FNM_NOESCAPE) &&
1525 !strv_fnmatch_strv_or_empty(patterns, v, FNM_NOESCAPE))
1526 continue;
1527
1528 _cleanup_free_ char *j = strv_join(v, ", ");
1529 printf("aliases: %s ← %s\n", k, j);
1530 }
1531
1532 return 0;
1533 }
1534
1535 static int dump_unit_paths(int argc, char *argv[], void *userdata) {
1536 _cleanup_(lookup_paths_free) LookupPaths paths = {};
1537 int r;
1538 char **p;
1539
1540 r = lookup_paths_init(&paths, arg_scope, 0, NULL);
1541 if (r < 0)
1542 return log_error_errno(r, "lookup_paths_init() failed: %m");
1543
1544 STRV_FOREACH(p, paths.search_path)
1545 puts(*p);
1546
1547 return 0;
1548 }
1549
1550 static int dump_exit_status(int argc, char *argv[], void *userdata) {
1551 _cleanup_(table_unrefp) Table *table = NULL;
1552 int r;
1553
1554 table = table_new("name", "status", "class");
1555 if (!table)
1556 return log_oom();
1557
1558 r = table_set_align_percent(table, table_get_cell(table, 0, 1), 100);
1559 if (r < 0)
1560 return log_error_errno(r, "Failed to right-align status: %m");
1561
1562 if (strv_isempty(strv_skip(argv, 1)))
1563 for (size_t i = 0; i < ELEMENTSOF(exit_status_mappings); i++) {
1564 if (!exit_status_mappings[i].name)
1565 continue;
1566
1567 r = table_add_many(table,
1568 TABLE_STRING, exit_status_mappings[i].name,
1569 TABLE_INT, (int) i,
1570 TABLE_STRING, exit_status_class(i));
1571 if (r < 0)
1572 return table_log_add_error(r);
1573 }
1574 else
1575 for (int i = 1; i < argc; i++) {
1576 int status;
1577
1578 status = exit_status_from_string(argv[i]);
1579 if (status < 0)
1580 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Invalid exit status \"%s\".", argv[i]);
1581
1582 assert(status >= 0 && (size_t) status < ELEMENTSOF(exit_status_mappings));
1583 r = table_add_many(table,
1584 TABLE_STRING, exit_status_mappings[status].name ?: "-",
1585 TABLE_INT, status,
1586 TABLE_STRING, exit_status_class(status) ?: "-");
1587 if (r < 0)
1588 return table_log_add_error(r);
1589 }
1590
1591 (void) pager_open(arg_pager_flags);
1592
1593 return table_print(table, NULL);
1594 }
1595
1596 static int dump_capabilities(int argc, char *argv[], void *userdata) {
1597 _cleanup_(table_unrefp) Table *table = NULL;
1598 unsigned last_cap;
1599 int r;
1600
1601 table = table_new("name", "number");
1602 if (!table)
1603 return log_oom();
1604
1605 (void) table_set_align_percent(table, table_get_cell(table, 0, 1), 100);
1606
1607 /* Determine the maximum of the last cap known by the kernel and by us */
1608 last_cap = MAX((unsigned) CAP_LAST_CAP, cap_last_cap());
1609
1610 if (strv_isempty(strv_skip(argv, 1)))
1611 for (unsigned c = 0; c <= last_cap; c++) {
1612 r = table_add_many(table,
1613 TABLE_STRING, capability_to_name(c) ?: "cap_???",
1614 TABLE_UINT, c);
1615 if (r < 0)
1616 return table_log_add_error(r);
1617 }
1618 else {
1619 for (int i = 1; i < argc; i++) {
1620 int c;
1621
1622 c = capability_from_name(argv[i]);
1623 if (c < 0 || (unsigned) c > last_cap)
1624 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Capability \"%s\" not known.", argv[i]);
1625
1626 r = table_add_many(table,
1627 TABLE_STRING, capability_to_name(c) ?: "cap_???",
1628 TABLE_UINT, (unsigned) c);
1629 if (r < 0)
1630 return table_log_add_error(r);
1631 }
1632
1633 (void) table_set_sort(table, (size_t) 1, (size_t) -1);
1634 }
1635
1636 (void) pager_open(arg_pager_flags);
1637
1638 return table_print(table, NULL);
1639 }
1640
1641 #if HAVE_SECCOMP
1642
1643 static int load_kernel_syscalls(Set **ret) {
1644 _cleanup_set_free_ Set *syscalls = NULL;
1645 _cleanup_fclose_ FILE *f = NULL;
1646 int r;
1647
1648 /* Let's read the available system calls from the list of available tracing events. Slightly dirty,
1649 * but good enough for analysis purposes. */
1650
1651 f = fopen("/sys/kernel/tracing/available_events", "re");
1652 if (!f) {
1653 /* We tried the non-debugfs mount point and that didn't work. If it wasn't mounted, maybe the
1654 * old debugfs mount point works? */
1655 f = fopen("/sys/kernel/debug/tracing/available_events", "re");
1656 if (!f)
1657 return log_full_errno(IN_SET(errno, EPERM, EACCES, ENOENT) ? LOG_DEBUG : LOG_WARNING, errno,
1658 "Can't read open tracefs' available_events file: %m");
1659 }
1660
1661 for (;;) {
1662 _cleanup_free_ char *line = NULL;
1663 const char *e;
1664
1665 r = read_line(f, LONG_LINE_MAX, &line);
1666 if (r < 0)
1667 return log_error_errno(r, "Failed to read system call list: %m");
1668 if (r == 0)
1669 break;
1670
1671 e = startswith(line, "syscalls:sys_enter_");
1672 if (!e)
1673 continue;
1674
1675 /* These are named differently inside the kernel than their external name for historical
1676 * reasons. Let's hide them here. */
1677 if (STR_IN_SET(e, "newuname", "newfstat", "newstat", "newlstat", "sysctl"))
1678 continue;
1679
1680 r = set_put_strdup(&syscalls, e);
1681 if (r < 0)
1682 return log_error_errno(r, "Failed to add system call to list: %m");
1683 }
1684
1685 *ret = TAKE_PTR(syscalls);
1686 return 0;
1687 }
1688
1689 static void kernel_syscalls_remove(Set *s, const SyscallFilterSet *set) {
1690 const char *syscall;
1691
1692 NULSTR_FOREACH(syscall, set->value) {
1693 if (syscall[0] == '@')
1694 continue;
1695
1696 free(set_remove(s, syscall));
1697 }
1698 }
1699
1700 static void dump_syscall_filter(const SyscallFilterSet *set) {
1701 const char *syscall;
1702
1703 printf("%s%s%s\n"
1704 " # %s\n",
1705 ansi_highlight(),
1706 set->name,
1707 ansi_normal(),
1708 set->help);
1709
1710 NULSTR_FOREACH(syscall, set->value)
1711 printf(" %s%s%s\n", syscall[0] == '@' ? ansi_underline() : "", syscall, ansi_normal());
1712 }
1713
1714 static int dump_syscall_filters(int argc, char *argv[], void *userdata) {
1715 bool first = true;
1716
1717 (void) pager_open(arg_pager_flags);
1718
1719 if (strv_isempty(strv_skip(argv, 1))) {
1720 _cleanup_set_free_ Set *kernel = NULL;
1721 int i, k;
1722
1723 k = load_kernel_syscalls(&kernel);
1724
1725 for (i = 0; i < _SYSCALL_FILTER_SET_MAX; i++) {
1726 const SyscallFilterSet *set = syscall_filter_sets + i;
1727 if (!first)
1728 puts("");
1729
1730 dump_syscall_filter(set);
1731 kernel_syscalls_remove(kernel, set);
1732 first = false;
1733 }
1734
1735 if (k < 0) {
1736 fputc('\n', stdout);
1737 fflush(stdout);
1738 log_notice_errno(k, "# Not showing unlisted system calls, couldn't retrieve kernel system call list: %m");
1739 } else if (!set_isempty(kernel)) {
1740 _cleanup_free_ char **l = NULL;
1741 char **syscall;
1742
1743 printf("\n"
1744 "# %sUnlisted System Calls%s (supported by the local kernel, but not included in any of the groups listed above):\n",
1745 ansi_highlight(), ansi_normal());
1746
1747 l = set_get_strv(kernel);
1748 if (!l)
1749 return log_oom();
1750
1751 strv_sort(l);
1752
1753 STRV_FOREACH(syscall, l)
1754 printf("# %s\n", *syscall);
1755 }
1756 } else {
1757 char **name;
1758
1759 STRV_FOREACH(name, strv_skip(argv, 1)) {
1760 const SyscallFilterSet *set;
1761
1762 if (!first)
1763 puts("");
1764
1765 set = syscall_filter_set_find(*name);
1766 if (!set) {
1767 /* make sure the error appears below normal output */
1768 fflush(stdout);
1769
1770 return log_error_errno(SYNTHETIC_ERRNO(ENOENT),
1771 "Filter set \"%s\" not found.", *name);
1772 }
1773
1774 dump_syscall_filter(set);
1775 first = false;
1776 }
1777 }
1778
1779 return 0;
1780 }
1781
1782 #else
1783 static int dump_syscall_filters(int argc, char *argv[], void *userdata) {
1784 return log_error_errno(SYNTHETIC_ERRNO(EOPNOTSUPP), "Not compiled with syscall filters, sorry.");
1785 }
1786 #endif
1787
1788 static void parsing_hint(const char *p, bool calendar, bool timestamp, bool timespan) {
1789 if (calendar && calendar_spec_from_string(p, NULL) >= 0)
1790 log_notice("Hint: this expression is a valid calendar specification. "
1791 "Use 'systemd-analyze calendar \"%s\"' instead?", p);
1792 if (timestamp && parse_timestamp(p, NULL) >= 0)
1793 log_notice("Hint: this expression is a valid timestamp. "
1794 "Use 'systemd-analyze timestamp \"%s\"' instead?", p);
1795 if (timespan && parse_time(p, NULL, USEC_PER_SEC) >= 0)
1796 log_notice("Hint: this expression is a valid timespan. "
1797 "Use 'systemd-analyze timespan \"%s\"' instead?", p);
1798 }
1799
1800 static int dump_timespan(int argc, char *argv[], void *userdata) {
1801 char **input_timespan;
1802
1803 STRV_FOREACH(input_timespan, strv_skip(argv, 1)) {
1804 _cleanup_(table_unrefp) Table *table = NULL;
1805 usec_t output_usecs;
1806 TableCell *cell;
1807 int r;
1808
1809 r = parse_time(*input_timespan, &output_usecs, USEC_PER_SEC);
1810 if (r < 0) {
1811 log_error_errno(r, "Failed to parse time span '%s': %m", *input_timespan);
1812 parsing_hint(*input_timespan, true, true, false);
1813 return r;
1814 }
1815
1816 table = table_new("name", "value");
1817 if (!table)
1818 return log_oom();
1819
1820 table_set_header(table, false);
1821
1822 assert_se(cell = table_get_cell(table, 0, 0));
1823 r = table_set_ellipsize_percent(table, cell, 100);
1824 if (r < 0)
1825 return r;
1826
1827 r = table_set_align_percent(table, cell, 100);
1828 if (r < 0)
1829 return r;
1830
1831 assert_se(cell = table_get_cell(table, 0, 1));
1832 r = table_set_ellipsize_percent(table, cell, 100);
1833 if (r < 0)
1834 return r;
1835
1836 r = table_add_many(table,
1837 TABLE_STRING, "Original:",
1838 TABLE_STRING, *input_timespan);
1839 if (r < 0)
1840 return table_log_add_error(r);
1841
1842 r = table_add_cell_stringf(table, NULL, "%ss:", special_glyph(SPECIAL_GLYPH_MU));
1843 if (r < 0)
1844 return table_log_add_error(r);
1845
1846 r = table_add_many(table,
1847 TABLE_UINT64, output_usecs,
1848 TABLE_STRING, "Human:",
1849 TABLE_TIMESPAN, output_usecs,
1850 TABLE_SET_COLOR, ansi_highlight());
1851 if (r < 0)
1852 return table_log_add_error(r);
1853
1854 r = table_print(table, NULL);
1855 if (r < 0)
1856 return r;
1857
1858 if (input_timespan[1])
1859 putchar('\n');
1860 }
1861
1862 return EXIT_SUCCESS;
1863 }
1864
1865 static int test_timestamp_one(const char *p) {
1866 _cleanup_(table_unrefp) Table *table = NULL;
1867 TableCell *cell;
1868 usec_t usec;
1869 int r;
1870
1871 r = parse_timestamp(p, &usec);
1872 if (r < 0) {
1873 log_error_errno(r, "Failed to parse \"%s\": %m", p);
1874 parsing_hint(p, true, false, true);
1875 return r;
1876 }
1877
1878 table = table_new("name", "value");
1879 if (!table)
1880 return log_oom();
1881
1882 table_set_header(table, false);
1883
1884 assert_se(cell = table_get_cell(table, 0, 0));
1885 r = table_set_ellipsize_percent(table, cell, 100);
1886 if (r < 0)
1887 return r;
1888
1889 r = table_set_align_percent(table, cell, 100);
1890 if (r < 0)
1891 return r;
1892
1893 assert_se(cell = table_get_cell(table, 0, 1));
1894 r = table_set_ellipsize_percent(table, cell, 100);
1895 if (r < 0)
1896 return r;
1897
1898 r = table_add_many(table,
1899 TABLE_STRING, "Original form:",
1900 TABLE_STRING, p,
1901 TABLE_STRING, "Normalized form:",
1902 TABLE_TIMESTAMP, usec,
1903 TABLE_SET_COLOR, ansi_highlight_blue());
1904 if (r < 0)
1905 return table_log_add_error(r);
1906
1907 if (!in_utc_timezone()) {
1908 r = table_add_many(table,
1909 TABLE_STRING, "(in UTC):",
1910 TABLE_TIMESTAMP_UTC, usec);
1911 if (r < 0)
1912 return table_log_add_error(r);
1913 }
1914
1915 r = table_add_cell(table, NULL, TABLE_STRING, "UNIX seconds:");
1916 if (r < 0)
1917 return table_log_add_error(r);
1918
1919 if (usec % USEC_PER_SEC == 0)
1920 r = table_add_cell_stringf(table, NULL, "@%"PRI_USEC,
1921 usec / USEC_PER_SEC);
1922 else
1923 r = table_add_cell_stringf(table, NULL, "@%"PRI_USEC".%06"PRI_USEC"",
1924 usec / USEC_PER_SEC,
1925 usec % USEC_PER_SEC);
1926 if (r < 0)
1927 return r;
1928
1929 r = table_add_many(table,
1930 TABLE_STRING, "From now:",
1931 TABLE_TIMESTAMP_RELATIVE, usec);
1932 if (r < 0)
1933 return table_log_add_error(r);
1934
1935 return table_print(table, NULL);
1936 }
1937
1938 static int test_timestamp(int argc, char *argv[], void *userdata) {
1939 int ret = 0, r;
1940 char **p;
1941
1942 STRV_FOREACH(p, strv_skip(argv, 1)) {
1943 r = test_timestamp_one(*p);
1944 if (ret == 0 && r < 0)
1945 ret = r;
1946
1947 if (*(p + 1))
1948 putchar('\n');
1949 }
1950
1951 return ret;
1952 }
1953
1954 static int test_calendar_one(usec_t n, const char *p) {
1955 _cleanup_(calendar_spec_freep) CalendarSpec *spec = NULL;
1956 _cleanup_(table_unrefp) Table *table = NULL;
1957 _cleanup_free_ char *t = NULL;
1958 TableCell *cell;
1959 int r;
1960
1961 r = calendar_spec_from_string(p, &spec);
1962 if (r < 0) {
1963 log_error_errno(r, "Failed to parse calendar specification '%s': %m", p);
1964 parsing_hint(p, false, true, true);
1965 return r;
1966 }
1967
1968 r = calendar_spec_to_string(spec, &t);
1969 if (r < 0)
1970 return log_error_errno(r, "Failed to format calendar specification '%s': %m", p);
1971
1972 table = table_new("name", "value");
1973 if (!table)
1974 return log_oom();
1975
1976 table_set_header(table, false);
1977
1978 assert_se(cell = table_get_cell(table, 0, 0));
1979 r = table_set_ellipsize_percent(table, cell, 100);
1980 if (r < 0)
1981 return r;
1982
1983 r = table_set_align_percent(table, cell, 100);
1984 if (r < 0)
1985 return r;
1986
1987 assert_se(cell = table_get_cell(table, 0, 1));
1988 r = table_set_ellipsize_percent(table, cell, 100);
1989 if (r < 0)
1990 return r;
1991
1992 if (!streq(t, p)) {
1993 r = table_add_many(table,
1994 TABLE_STRING, "Original form:",
1995 TABLE_STRING, p);
1996 if (r < 0)
1997 return table_log_add_error(r);
1998 }
1999
2000 r = table_add_many(table,
2001 TABLE_STRING, "Normalized form:",
2002 TABLE_STRING, t);
2003 if (r < 0)
2004 return table_log_add_error(r);
2005
2006 for (unsigned i = 0; i < arg_iterations; i++) {
2007 usec_t next;
2008
2009 r = calendar_spec_next_usec(spec, n, &next);
2010 if (r == -ENOENT) {
2011 if (i == 0) {
2012 r = table_add_many(table,
2013 TABLE_STRING, "Next elapse:",
2014 TABLE_STRING, "never",
2015 TABLE_SET_COLOR, ansi_highlight_yellow());
2016 if (r < 0)
2017 return table_log_add_error(r);
2018 }
2019 break;
2020 }
2021 if (r < 0)
2022 return log_error_errno(r, "Failed to determine next elapse for '%s': %m", p);
2023
2024 if (i == 0) {
2025 r = table_add_many(table,
2026 TABLE_STRING, "Next elapse:",
2027 TABLE_TIMESTAMP, next,
2028 TABLE_SET_COLOR, ansi_highlight_blue());
2029 if (r < 0)
2030 return table_log_add_error(r);
2031 } else {
2032 int k = DECIMAL_STR_WIDTH(i + 1);
2033
2034 if (k < 8)
2035 k = 8 - k;
2036 else
2037 k = 0;
2038
2039 r = table_add_cell_stringf(table, NULL, "Iter. #%u:", i+1);
2040 if (r < 0)
2041 return table_log_add_error(r);
2042
2043 r = table_add_many(table,
2044 TABLE_TIMESTAMP, next,
2045 TABLE_SET_COLOR, ansi_highlight_blue());
2046 if (r < 0)
2047 return table_log_add_error(r);
2048 }
2049
2050 if (!in_utc_timezone()) {
2051 r = table_add_many(table,
2052 TABLE_STRING, "(in UTC):",
2053 TABLE_TIMESTAMP_UTC, next);
2054 if (r < 0)
2055 return table_log_add_error(r);
2056 }
2057
2058 r = table_add_many(table,
2059 TABLE_STRING, "From now:",
2060 TABLE_TIMESTAMP_RELATIVE, next);
2061 if (r < 0)
2062 return table_log_add_error(r);
2063
2064 n = next;
2065 }
2066
2067 return table_print(table, NULL);
2068 }
2069
2070 static int test_calendar(int argc, char *argv[], void *userdata) {
2071 int ret = 0, r;
2072 char **p;
2073 usec_t n;
2074
2075 if (arg_base_time != USEC_INFINITY)
2076 n = arg_base_time;
2077 else
2078 n = now(CLOCK_REALTIME); /* We want to use the same "base" for all expressions */
2079
2080 STRV_FOREACH(p, strv_skip(argv, 1)) {
2081 r = test_calendar_one(n, *p);
2082 if (ret == 0 && r < 0)
2083 ret = r;
2084
2085 if (*(p + 1))
2086 putchar('\n');
2087 }
2088
2089 return ret;
2090 }
2091
2092 static int service_watchdogs(int argc, char *argv[], void *userdata) {
2093 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2094 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
2095 int b, r;
2096
2097 assert(IN_SET(argc, 1, 2));
2098 assert(argv);
2099
2100 r = acquire_bus(&bus, NULL);
2101 if (r < 0)
2102 return bus_log_connect_error(r);
2103
2104 if (argc == 1) {
2105 /* get ServiceWatchdogs */
2106 r = bus_get_property_trivial(bus, bus_systemd_mgr, "ServiceWatchdogs", &error, 'b', &b);
2107 if (r < 0)
2108 return log_error_errno(r, "Failed to get service-watchdog state: %s", bus_error_message(&error, r));
2109
2110 printf("%s\n", yes_no(!!b));
2111
2112 } else {
2113 /* set ServiceWatchdogs */
2114 b = parse_boolean(argv[1]);
2115 if (b < 0)
2116 return log_error_errno(b, "Failed to parse service-watchdogs argument: %m");
2117
2118 r = bus_set_property(bus, bus_systemd_mgr, "ServiceWatchdogs", &error, "b", b);
2119 if (r < 0)
2120 return log_error_errno(r, "Failed to set service-watchdog state: %s", bus_error_message(&error, r));
2121 }
2122
2123 return 0;
2124 }
2125
2126 static int do_condition(int argc, char *argv[], void *userdata) {
2127 return verify_conditions(strv_skip(argv, 1), arg_scope);
2128 }
2129
2130 static int do_verify(int argc, char *argv[], void *userdata) {
2131 return verify_units(strv_skip(argv, 1), arg_scope, arg_man, arg_generators);
2132 }
2133
2134 static int do_security(int argc, char *argv[], void *userdata) {
2135 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
2136 int r;
2137
2138 r = acquire_bus(&bus, NULL);
2139 if (r < 0)
2140 return bus_log_connect_error(r);
2141
2142 (void) pager_open(arg_pager_flags);
2143
2144 return analyze_security(bus, strv_skip(argv, 1), 0);
2145 }
2146
2147 static int help(int argc, char *argv[], void *userdata) {
2148 _cleanup_free_ char *link = NULL, *dot_link = NULL;
2149 int r;
2150
2151 (void) pager_open(arg_pager_flags);
2152
2153 r = terminal_urlify_man("systemd-analyze", "1", &link);
2154 if (r < 0)
2155 return log_oom();
2156
2157 /* Not using terminal_urlify_man() for this, since we don't want the "man page" text suffix in this case. */
2158 r = terminal_urlify("man:dot(1)", "dot(1)", &dot_link);
2159 if (r < 0)
2160 return log_oom();
2161
2162 printf("%s [OPTIONS...] COMMAND ...\n\n"
2163 "%sProfile systemd, show unit dependencies, check unit files.%s\n"
2164 "\nCommands:\n"
2165 " [time] Print time required to boot the machine\n"
2166 " blame Print list of running units ordered by time to init\n"
2167 " critical-chain [UNIT...] Print a tree of the time critical chain of units\n"
2168 " plot Output SVG graphic showing service initialization\n"
2169 " dot [UNIT...] Output dependency graph in %s format\n"
2170 " dump Output state serialization of service manager\n"
2171 " cat-config Show configuration file and drop-ins\n"
2172 " unit-files List files and symlinks for units\n"
2173 " unit-paths List load directories for units\n"
2174 " exit-status [STATUS...] List exit status definitions\n"
2175 " capability [CAP...] List capability definitions\n"
2176 " syscall-filter [NAME...] Print list of syscalls in seccomp filter\n"
2177 " condition CONDITION... Evaluate conditions and asserts\n"
2178 " verify FILE... Check unit files for correctness\n"
2179 " calendar SPEC... Validate repetitive calendar time events\n"
2180 " timestamp TIMESTAMP... Validate a timestamp\n"
2181 " timespan SPAN... Validate a time span\n"
2182 " security [UNIT...] Analyze security of unit\n"
2183 "\nOptions:\n"
2184 " -h --help Show this help\n"
2185 " --version Show package version\n"
2186 " --no-pager Do not pipe output into a pager\n"
2187 " --system Operate on system systemd instance\n"
2188 " --user Operate on user systemd instance\n"
2189 " --global Operate on global user configuration\n"
2190 " -H --host=[USER@]HOST Operate on remote host\n"
2191 " -M --machine=CONTAINER Operate on local container\n"
2192 " --order Show only order in the graph\n"
2193 " --require Show only requirement in the graph\n"
2194 " --from-pattern=GLOB Show only origins in the graph\n"
2195 " --to-pattern=GLOB Show only destinations in the graph\n"
2196 " --fuzz=SECONDS Also print services which finished SECONDS earlier\n"
2197 " than the latest in the branch\n"
2198 " --man[=BOOL] Do [not] check for existence of man pages\n"
2199 " --generators[=BOOL] Do [not] run unit generators (requires privileges)\n"
2200 " --iterations=N Show the specified number of iterations\n"
2201 " --base-time=TIMESTAMP Calculate calendar times relative to specified time\n"
2202 "\nSee the %s for details.\n"
2203 , program_invocation_short_name
2204 , ansi_highlight()
2205 , ansi_normal()
2206 , dot_link
2207 , link
2208 );
2209
2210 /* When updating this list, including descriptions, apply changes to
2211 * shell-completion/bash/systemd-analyze and shell-completion/zsh/_systemd-analyze too. */
2212
2213 return 0;
2214 }
2215
2216 static int parse_argv(int argc, char *argv[]) {
2217 enum {
2218 ARG_VERSION = 0x100,
2219 ARG_ORDER,
2220 ARG_REQUIRE,
2221 ARG_ROOT,
2222 ARG_SYSTEM,
2223 ARG_USER,
2224 ARG_GLOBAL,
2225 ARG_DOT_FROM_PATTERN,
2226 ARG_DOT_TO_PATTERN,
2227 ARG_FUZZ,
2228 ARG_NO_PAGER,
2229 ARG_MAN,
2230 ARG_GENERATORS,
2231 ARG_ITERATIONS,
2232 ARG_BASE_TIME,
2233 };
2234
2235 static const struct option options[] = {
2236 { "help", no_argument, NULL, 'h' },
2237 { "version", no_argument, NULL, ARG_VERSION },
2238 { "order", no_argument, NULL, ARG_ORDER },
2239 { "require", no_argument, NULL, ARG_REQUIRE },
2240 { "root", required_argument, NULL, ARG_ROOT },
2241 { "system", no_argument, NULL, ARG_SYSTEM },
2242 { "user", no_argument, NULL, ARG_USER },
2243 { "global", no_argument, NULL, ARG_GLOBAL },
2244 { "from-pattern", required_argument, NULL, ARG_DOT_FROM_PATTERN },
2245 { "to-pattern", required_argument, NULL, ARG_DOT_TO_PATTERN },
2246 { "fuzz", required_argument, NULL, ARG_FUZZ },
2247 { "no-pager", no_argument, NULL, ARG_NO_PAGER },
2248 { "man", optional_argument, NULL, ARG_MAN },
2249 { "generators", optional_argument, NULL, ARG_GENERATORS },
2250 { "host", required_argument, NULL, 'H' },
2251 { "machine", required_argument, NULL, 'M' },
2252 { "iterations", required_argument, NULL, ARG_ITERATIONS },
2253 { "base-time", required_argument, NULL, ARG_BASE_TIME },
2254 {}
2255 };
2256
2257 int r, c;
2258
2259 assert(argc >= 0);
2260 assert(argv);
2261
2262 while ((c = getopt_long(argc, argv, "hH:M:", options, NULL)) >= 0)
2263 switch (c) {
2264
2265 case 'h':
2266 return help(0, NULL, NULL);
2267
2268 case ARG_VERSION:
2269 return version();
2270
2271 case ARG_ROOT:
2272 arg_root = optarg;
2273 break;
2274
2275 case ARG_SYSTEM:
2276 arg_scope = UNIT_FILE_SYSTEM;
2277 break;
2278
2279 case ARG_USER:
2280 arg_scope = UNIT_FILE_USER;
2281 break;
2282
2283 case ARG_GLOBAL:
2284 arg_scope = UNIT_FILE_GLOBAL;
2285 break;
2286
2287 case ARG_ORDER:
2288 arg_dot = DEP_ORDER;
2289 break;
2290
2291 case ARG_REQUIRE:
2292 arg_dot = DEP_REQUIRE;
2293 break;
2294
2295 case ARG_DOT_FROM_PATTERN:
2296 if (strv_extend(&arg_dot_from_patterns, optarg) < 0)
2297 return log_oom();
2298
2299 break;
2300
2301 case ARG_DOT_TO_PATTERN:
2302 if (strv_extend(&arg_dot_to_patterns, optarg) < 0)
2303 return log_oom();
2304
2305 break;
2306
2307 case ARG_FUZZ:
2308 r = parse_sec(optarg, &arg_fuzz);
2309 if (r < 0)
2310 return r;
2311 break;
2312
2313 case ARG_NO_PAGER:
2314 arg_pager_flags |= PAGER_DISABLE;
2315 break;
2316
2317 case 'H':
2318 arg_transport = BUS_TRANSPORT_REMOTE;
2319 arg_host = optarg;
2320 break;
2321
2322 case 'M':
2323 arg_transport = BUS_TRANSPORT_MACHINE;
2324 arg_host = optarg;
2325 break;
2326
2327 case ARG_MAN:
2328 if (optarg) {
2329 r = parse_boolean(optarg);
2330 if (r < 0)
2331 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
2332 "Failed to parse --man= argument.");
2333
2334 arg_man = r;
2335 } else
2336 arg_man = true;
2337
2338 break;
2339
2340 case ARG_GENERATORS:
2341 if (optarg) {
2342 r = parse_boolean(optarg);
2343 if (r < 0)
2344 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
2345 "Failed to parse --generators= argument.");
2346
2347 arg_generators = r;
2348 } else
2349 arg_generators = true;
2350
2351 break;
2352
2353 case ARG_ITERATIONS:
2354 r = safe_atou(optarg, &arg_iterations);
2355 if (r < 0)
2356 return log_error_errno(r, "Failed to parse iterations: %s", optarg);
2357
2358 break;
2359
2360 case ARG_BASE_TIME:
2361 r = parse_timestamp(optarg, &arg_base_time);
2362 if (r < 0)
2363 return log_error_errno(r, "Failed to parse --base-time= parameter: %s", optarg);
2364
2365 break;
2366
2367 case '?':
2368 return -EINVAL;
2369
2370 default:
2371 assert_not_reached("Unhandled option code.");
2372 }
2373
2374 if (arg_scope == UNIT_FILE_GLOBAL &&
2375 !STR_IN_SET(argv[optind] ?: "time", "dot", "unit-paths", "verify"))
2376 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
2377 "Option --global only makes sense with verbs dot, unit-paths, verify.");
2378
2379 if (streq_ptr(argv[optind], "cat-config") && arg_scope == UNIT_FILE_USER)
2380 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
2381 "Option --user is not supported for cat-config right now.");
2382
2383 if (arg_root && !streq_ptr(argv[optind], "cat-config"))
2384 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
2385 "Option --root is only supported for cat-config right now.");
2386
2387 return 1; /* work to do */
2388 }
2389
2390 static int run(int argc, char *argv[]) {
2391
2392 static const Verb verbs[] = {
2393 { "help", VERB_ANY, VERB_ANY, 0, help },
2394 { "time", VERB_ANY, 1, VERB_DEFAULT, analyze_time },
2395 { "blame", VERB_ANY, 1, 0, analyze_blame },
2396 { "critical-chain", VERB_ANY, VERB_ANY, 0, analyze_critical_chain },
2397 { "plot", VERB_ANY, 1, 0, analyze_plot },
2398 { "dot", VERB_ANY, VERB_ANY, 0, dot },
2399 /* The following seven verbs are deprecated */
2400 { "log-level", VERB_ANY, 2, 0, get_or_set_log_level },
2401 { "log-target", VERB_ANY, 2, 0, get_or_set_log_target },
2402 { "set-log-level", 2, 2, 0, set_log_level },
2403 { "get-log-level", VERB_ANY, 1, 0, get_log_level },
2404 { "set-log-target", 2, 2, 0, set_log_target },
2405 { "get-log-target", VERB_ANY, 1, 0, get_log_target },
2406 { "service-watchdogs", VERB_ANY, 2, 0, service_watchdogs },
2407 { "dump", VERB_ANY, 1, 0, dump },
2408 { "cat-config", 2, VERB_ANY, 0, cat_config },
2409 { "unit-files", VERB_ANY, VERB_ANY, 0, do_unit_files },
2410 { "unit-paths", 1, 1, 0, dump_unit_paths },
2411 { "exit-status", VERB_ANY, VERB_ANY, 0, dump_exit_status },
2412 { "syscall-filter", VERB_ANY, VERB_ANY, 0, dump_syscall_filters },
2413 { "capability", VERB_ANY, VERB_ANY, 0, dump_capabilities },
2414 { "condition", 2, VERB_ANY, 0, do_condition },
2415 { "verify", 2, VERB_ANY, 0, do_verify },
2416 { "calendar", 2, VERB_ANY, 0, test_calendar },
2417 { "timestamp", 2, VERB_ANY, 0, test_timestamp },
2418 { "timespan", 2, VERB_ANY, 0, dump_timespan },
2419 { "security", VERB_ANY, VERB_ANY, 0, do_security },
2420 {}
2421 };
2422
2423 int r;
2424
2425 setlocale(LC_ALL, "");
2426 setlocale(LC_NUMERIC, "C"); /* we want to format/parse floats in C style */
2427
2428 log_setup_cli();
2429
2430 r = parse_argv(argc, argv);
2431 if (r <= 0)
2432 return r;
2433
2434 return dispatch_verb(argc, argv, verbs, NULL);
2435 }
2436
2437 DEFINE_MAIN_FUNCTION(run);
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