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pid1: drop unit caches only based on mtime
[thirdparty/systemd.git] / src / analyze / analyze.c
1 /* SPDX-License-Identifier: LGPL-2.1+ */
2 /***
3 Copyright © 2013 Simon Peeters
4 ***/
5
6 #include <getopt.h>
7 #include <inttypes.h>
8 #include <locale.h>
9 #include <stdio.h>
10 #include <stdlib.h>
11 #include <unistd.h>
12
13 #include "sd-bus.h"
14
15 #include "alloc-util.h"
16 #include "analyze-condition.h"
17 #include "analyze-security.h"
18 #include "analyze-verify.h"
19 #include "build.h"
20 #include "bus-error.h"
21 #include "bus-unit-util.h"
22 #include "bus-util.h"
23 #include "calendarspec.h"
24 #include "conf-files.h"
25 #include "copy.h"
26 #include "def.h"
27 #include "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
88 STATIC_DESTRUCTOR_REGISTER(arg_dot_from_patterns, strv_freep);
89 STATIC_DESTRUCTOR_REGISTER(arg_dot_to_patterns, strv_freep);
90
91 struct boot_times {
92 usec_t firmware_time;
93 usec_t loader_time;
94 usec_t kernel_time;
95 usec_t kernel_done_time;
96 usec_t initrd_time;
97 usec_t userspace_time;
98 usec_t finish_time;
99 usec_t security_start_time;
100 usec_t security_finish_time;
101 usec_t generators_start_time;
102 usec_t generators_finish_time;
103 usec_t unitsload_start_time;
104 usec_t unitsload_finish_time;
105 usec_t initrd_security_start_time;
106 usec_t initrd_security_finish_time;
107 usec_t initrd_generators_start_time;
108 usec_t initrd_generators_finish_time;
109 usec_t initrd_unitsload_start_time;
110 usec_t initrd_unitsload_finish_time;
111
112 /*
113 * If we're analyzing the user instance, all timestamps will be offset
114 * by its own start-up timestamp, which may be arbitrarily big.
115 * With "plot", this causes arbitrarily wide output SVG files which almost
116 * completely consist of empty space. Thus we cancel out this offset.
117 *
118 * This offset is subtracted from times above by acquire_boot_times(),
119 * but it still needs to be subtracted from unit-specific timestamps
120 * (so it is stored here for reference).
121 */
122 usec_t reverse_offset;
123 };
124
125 struct unit_times {
126 bool has_data;
127 char *name;
128 usec_t activating;
129 usec_t activated;
130 usec_t deactivated;
131 usec_t deactivating;
132 usec_t time;
133 };
134
135 struct host_info {
136 char *hostname;
137 char *kernel_name;
138 char *kernel_release;
139 char *kernel_version;
140 char *os_pretty_name;
141 char *virtualization;
142 char *architecture;
143 };
144
145 static int acquire_bus(sd_bus **bus, bool *use_full_bus) {
146 bool user = arg_scope != UNIT_FILE_SYSTEM;
147 int r;
148
149 if (use_full_bus && *use_full_bus) {
150 r = bus_connect_transport(arg_transport, arg_host, user, bus);
151 if (IN_SET(r, 0, -EHOSTDOWN))
152 return r;
153
154 *use_full_bus = false;
155 }
156
157 return bus_connect_transport_systemd(arg_transport, arg_host, user, bus);
158 }
159
160 static int bus_get_uint64_property(sd_bus *bus, const char *path, const char *interface, const char *property, uint64_t *val) {
161 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
162 int r;
163
164 assert(bus);
165 assert(path);
166 assert(interface);
167 assert(property);
168 assert(val);
169
170 r = sd_bus_get_property_trivial(
171 bus,
172 "org.freedesktop.systemd1",
173 path,
174 interface,
175 property,
176 &error,
177 't', val);
178
179 if (r < 0)
180 return log_error_errno(r, "Failed to parse reply: %s", bus_error_message(&error, r));
181
182 return 0;
183 }
184
185 static int bus_get_unit_property_strv(sd_bus *bus, const char *path, const char *property, char ***strv) {
186 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
187 int r;
188
189 assert(bus);
190 assert(path);
191 assert(property);
192 assert(strv);
193
194 r = sd_bus_get_property_strv(
195 bus,
196 "org.freedesktop.systemd1",
197 path,
198 "org.freedesktop.systemd1.Unit",
199 property,
200 &error,
201 strv);
202 if (r < 0)
203 return log_error_errno(r, "Failed to get unit property %s: %s", property, bus_error_message(&error, r));
204
205 return 0;
206 }
207
208 static int compare_unit_start(const struct unit_times *a, const struct unit_times *b) {
209 return CMP(a->activating, b->activating);
210 }
211
212 static void unit_times_free(struct unit_times *t) {
213 struct unit_times *p;
214
215 for (p = t; p->has_data; p++)
216 free(p->name);
217 free(t);
218 }
219
220 DEFINE_TRIVIAL_CLEANUP_FUNC(struct unit_times *, unit_times_free);
221
222 static void subtract_timestamp(usec_t *a, usec_t b) {
223 assert(a);
224
225 if (*a > 0) {
226 assert(*a >= b);
227 *a -= b;
228 }
229 }
230
231 static int acquire_boot_times(sd_bus *bus, struct boot_times **bt) {
232 static const struct bus_properties_map property_map[] = {
233 { "FirmwareTimestampMonotonic", "t", NULL, offsetof(struct boot_times, firmware_time) },
234 { "LoaderTimestampMonotonic", "t", NULL, offsetof(struct boot_times, loader_time) },
235 { "KernelTimestamp", "t", NULL, offsetof(struct boot_times, kernel_time) },
236 { "InitRDTimestampMonotonic", "t", NULL, offsetof(struct boot_times, initrd_time) },
237 { "UserspaceTimestampMonotonic", "t", NULL, offsetof(struct boot_times, userspace_time) },
238 { "FinishTimestampMonotonic", "t", NULL, offsetof(struct boot_times, finish_time) },
239 { "SecurityStartTimestampMonotonic", "t", NULL, offsetof(struct boot_times, security_start_time) },
240 { "SecurityFinishTimestampMonotonic", "t", NULL, offsetof(struct boot_times, security_finish_time) },
241 { "GeneratorsStartTimestampMonotonic", "t", NULL, offsetof(struct boot_times, generators_start_time) },
242 { "GeneratorsFinishTimestampMonotonic", "t", NULL, offsetof(struct boot_times, generators_finish_time) },
243 { "UnitsLoadStartTimestampMonotonic", "t", NULL, offsetof(struct boot_times, unitsload_start_time) },
244 { "UnitsLoadFinishTimestampMonotonic", "t", NULL, offsetof(struct boot_times, unitsload_finish_time) },
245 { "InitRDSecurityStartTimestampMonotonic", "t", NULL, offsetof(struct boot_times, initrd_security_start_time) },
246 { "InitRDSecurityFinishTimestampMonotonic", "t", NULL, offsetof(struct boot_times, initrd_security_finish_time) },
247 { "InitRDGeneratorsStartTimestampMonotonic", "t", NULL, offsetof(struct boot_times, initrd_generators_start_time) },
248 { "InitRDGeneratorsFinishTimestampMonotonic", "t", NULL, offsetof(struct boot_times, initrd_generators_finish_time) },
249 { "InitRDUnitsLoadStartTimestampMonotonic", "t", NULL, offsetof(struct boot_times, initrd_unitsload_start_time) },
250 { "InitRDUnitsLoadFinishTimestampMonotonic", "t", NULL, offsetof(struct boot_times, initrd_unitsload_finish_time) },
251 {},
252 };
253 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
254 static struct boot_times times;
255 static bool cached = false;
256 int r;
257
258 if (cached)
259 goto finish;
260
261 assert_cc(sizeof(usec_t) == sizeof(uint64_t));
262
263 r = bus_map_all_properties(
264 bus,
265 "org.freedesktop.systemd1",
266 "/org/freedesktop/systemd1",
267 property_map,
268 BUS_MAP_STRDUP,
269 &error,
270 NULL,
271 &times);
272 if (r < 0)
273 return log_error_errno(r, "Failed to get timestamp properties: %s", bus_error_message(&error, r));
274
275 if (times.finish_time <= 0)
276 return log_error_errno(SYNTHETIC_ERRNO(EINPROGRESS),
277 "Bootup is not yet finished (org.freedesktop.systemd1.Manager.FinishTimestampMonotonic=%"PRIu64").\n"
278 "Please try again later.\n"
279 "Hint: Use 'systemctl%s list-jobs' to see active jobs",
280 times.finish_time,
281 arg_scope == UNIT_FILE_SYSTEM ? "" : " --user");
282
283 if (arg_scope == UNIT_FILE_SYSTEM && times.security_start_time > 0) {
284 /* security_start_time is set when systemd is not running under container environment. */
285 if (times.initrd_time > 0)
286 times.kernel_done_time = times.initrd_time;
287 else
288 times.kernel_done_time = times.userspace_time;
289 } else {
290 /*
291 * User-instance-specific or container-system-specific timestamps processing
292 * (see comment to reverse_offset in struct boot_times).
293 */
294 times.reverse_offset = times.userspace_time;
295
296 times.firmware_time = times.loader_time = times.kernel_time = times.initrd_time =
297 times.userspace_time = times.security_start_time = times.security_finish_time = 0;
298
299 subtract_timestamp(&times.finish_time, times.reverse_offset);
300
301 subtract_timestamp(&times.generators_start_time, times.reverse_offset);
302 subtract_timestamp(&times.generators_finish_time, times.reverse_offset);
303
304 subtract_timestamp(&times.unitsload_start_time, times.reverse_offset);
305 subtract_timestamp(&times.unitsload_finish_time, times.reverse_offset);
306 }
307
308 cached = true;
309
310 finish:
311 *bt = &times;
312 return 0;
313 }
314
315 static void free_host_info(struct host_info *hi) {
316 if (!hi)
317 return;
318
319 free(hi->hostname);
320 free(hi->kernel_name);
321 free(hi->kernel_release);
322 free(hi->kernel_version);
323 free(hi->os_pretty_name);
324 free(hi->virtualization);
325 free(hi->architecture);
326 free(hi);
327 }
328
329 DEFINE_TRIVIAL_CLEANUP_FUNC(struct host_info *, free_host_info);
330
331 static int acquire_time_data(sd_bus *bus, struct unit_times **out) {
332 static const struct bus_properties_map property_map[] = {
333 { "InactiveExitTimestampMonotonic", "t", NULL, offsetof(struct unit_times, activating) },
334 { "ActiveEnterTimestampMonotonic", "t", NULL, offsetof(struct unit_times, activated) },
335 { "ActiveExitTimestampMonotonic", "t", NULL, offsetof(struct unit_times, deactivating) },
336 { "InactiveEnterTimestampMonotonic", "t", NULL, offsetof(struct unit_times, deactivated) },
337 {},
338 };
339 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
340 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
341 _cleanup_(unit_times_freep) struct unit_times *unit_times = NULL;
342 struct boot_times *boot_times = NULL;
343 size_t allocated = 0, c = 0;
344 UnitInfo u;
345 int r;
346
347 r = acquire_boot_times(bus, &boot_times);
348 if (r < 0)
349 return r;
350
351 r = sd_bus_call_method(
352 bus,
353 "org.freedesktop.systemd1",
354 "/org/freedesktop/systemd1",
355 "org.freedesktop.systemd1.Manager",
356 "ListUnits",
357 &error, &reply,
358 NULL);
359 if (r < 0)
360 return log_error_errno(r, "Failed to list units: %s", bus_error_message(&error, r));
361
362 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssssssouso)");
363 if (r < 0)
364 return bus_log_parse_error(r);
365
366 while ((r = bus_parse_unit_info(reply, &u)) > 0) {
367 struct unit_times *t;
368
369 if (!GREEDY_REALLOC(unit_times, allocated, c + 2))
370 return log_oom();
371
372 unit_times[c + 1].has_data = false;
373 t = &unit_times[c];
374 t->name = NULL;
375
376 assert_cc(sizeof(usec_t) == sizeof(uint64_t));
377
378 r = bus_map_all_properties(
379 bus,
380 "org.freedesktop.systemd1",
381 u.unit_path,
382 property_map,
383 BUS_MAP_STRDUP,
384 &error,
385 NULL,
386 t);
387 if (r < 0)
388 return log_error_errno(r, "Failed to get timestamp properties of unit %s: %s",
389 u.id, bus_error_message(&error, r));
390
391 subtract_timestamp(&t->activating, boot_times->reverse_offset);
392 subtract_timestamp(&t->activated, boot_times->reverse_offset);
393 subtract_timestamp(&t->deactivating, boot_times->reverse_offset);
394 subtract_timestamp(&t->deactivated, boot_times->reverse_offset);
395
396 if (t->activated >= t->activating)
397 t->time = t->activated - t->activating;
398 else if (t->deactivated >= t->activating)
399 t->time = t->deactivated - t->activating;
400 else
401 t->time = 0;
402
403 if (t->activating == 0)
404 continue;
405
406 t->name = strdup(u.id);
407 if (!t->name)
408 return log_oom();
409
410 t->has_data = true;
411 c++;
412 }
413 if (r < 0)
414 return bus_log_parse_error(r);
415
416 *out = TAKE_PTR(unit_times);
417 return c;
418 }
419
420 static int acquire_host_info(sd_bus *bus, struct host_info **hi) {
421 static const struct bus_properties_map hostname_map[] = {
422 { "Hostname", "s", NULL, offsetof(struct host_info, hostname) },
423 { "KernelName", "s", NULL, offsetof(struct host_info, kernel_name) },
424 { "KernelRelease", "s", NULL, offsetof(struct host_info, kernel_release) },
425 { "KernelVersion", "s", NULL, offsetof(struct host_info, kernel_version) },
426 { "OperatingSystemPrettyName", "s", NULL, offsetof(struct host_info, os_pretty_name) },
427 {}
428 };
429
430 static const struct bus_properties_map manager_map[] = {
431 { "Virtualization", "s", NULL, offsetof(struct host_info, virtualization) },
432 { "Architecture", "s", NULL, offsetof(struct host_info, architecture) },
433 {}
434 };
435
436 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
437 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *system_bus = NULL;
438 _cleanup_(free_host_infop) struct host_info *host;
439 int r;
440
441 host = new0(struct host_info, 1);
442 if (!host)
443 return log_oom();
444
445 if (arg_scope != UNIT_FILE_SYSTEM) {
446 r = bus_connect_transport(arg_transport, arg_host, false, &system_bus);
447 if (r < 0) {
448 log_debug_errno(r, "Failed to connect to system bus, ignoring: %m");
449 goto manager;
450 }
451 }
452
453 r = bus_map_all_properties(
454 system_bus ?: bus,
455 "org.freedesktop.hostname1",
456 "/org/freedesktop/hostname1",
457 hostname_map,
458 BUS_MAP_STRDUP,
459 &error,
460 NULL,
461 host);
462 if (r < 0) {
463 log_debug_errno(r, "Failed to get host information from systemd-hostnamed, ignoring: %s",
464 bus_error_message(&error, r));
465 sd_bus_error_free(&error);
466 }
467
468 manager:
469 r = bus_map_all_properties(
470 bus,
471 "org.freedesktop.systemd1",
472 "/org/freedesktop/systemd1",
473 manager_map,
474 BUS_MAP_STRDUP,
475 &error,
476 NULL,
477 host);
478 if (r < 0)
479 return log_error_errno(r, "Failed to get host information from systemd: %s",
480 bus_error_message(&error, r));
481
482 *hi = TAKE_PTR(host);
483 return 0;
484 }
485
486 static int pretty_boot_time(sd_bus *bus, char **_buf) {
487 char ts[FORMAT_TIMESPAN_MAX];
488 struct boot_times *t;
489 static char buf[4096];
490 size_t size;
491 char *ptr;
492 int r;
493 usec_t activated_time = USEC_INFINITY;
494 _cleanup_free_ char *path = NULL, *unit_id = NULL;
495 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
496
497 r = acquire_boot_times(bus, &t);
498 if (r < 0)
499 return r;
500
501 path = unit_dbus_path_from_name(SPECIAL_DEFAULT_TARGET);
502 if (!path)
503 return log_oom();
504
505 r = sd_bus_get_property_string(
506 bus,
507 "org.freedesktop.systemd1",
508 path,
509 "org.freedesktop.systemd1.Unit",
510 "Id",
511 &error,
512 &unit_id);
513 if (r < 0) {
514 log_error_errno(r, "default.target doesn't seem to exist: %s", bus_error_message(&error, r));
515 unit_id = NULL;
516 }
517
518 r = bus_get_uint64_property(bus, path,
519 "org.freedesktop.systemd1.Unit",
520 "ActiveEnterTimestampMonotonic",
521 &activated_time);
522 if (r < 0) {
523 log_info_errno(r, "Could not get time to reach default.target, ignoring: %m");
524 activated_time = USEC_INFINITY;
525 }
526
527 ptr = buf;
528 size = sizeof(buf);
529
530 size = strpcpyf(&ptr, size, "Startup finished in ");
531 if (t->firmware_time > 0)
532 size = strpcpyf(&ptr, size, "%s (firmware) + ", format_timespan(ts, sizeof(ts), t->firmware_time - t->loader_time, USEC_PER_MSEC));
533 if (t->loader_time > 0)
534 size = strpcpyf(&ptr, size, "%s (loader) + ", format_timespan(ts, sizeof(ts), t->loader_time, USEC_PER_MSEC));
535 if (t->kernel_done_time > 0)
536 size = strpcpyf(&ptr, size, "%s (kernel) + ", format_timespan(ts, sizeof(ts), t->kernel_done_time, USEC_PER_MSEC));
537 if (t->initrd_time > 0)
538 size = strpcpyf(&ptr, size, "%s (initrd) + ", format_timespan(ts, sizeof(ts), t->userspace_time - t->initrd_time, USEC_PER_MSEC));
539
540 size = strpcpyf(&ptr, size, "%s (userspace) ", format_timespan(ts, sizeof(ts), t->finish_time - t->userspace_time, USEC_PER_MSEC));
541 if (t->kernel_done_time > 0)
542 strpcpyf(&ptr, size, "= %s ", format_timespan(ts, sizeof(ts), t->firmware_time + t->finish_time, USEC_PER_MSEC));
543
544 if (unit_id && timestamp_is_set(activated_time)) {
545 usec_t base = t->userspace_time > 0 ? t->userspace_time : t->reverse_offset;
546
547 size = strpcpyf(&ptr, size, "\n%s reached after %s in userspace", unit_id,
548 format_timespan(ts, sizeof(ts), activated_time - base, USEC_PER_MSEC));
549 } else if (unit_id && activated_time == 0)
550 size = strpcpyf(&ptr, size, "\n%s was never reached", unit_id);
551 else if (unit_id && activated_time == USEC_INFINITY)
552 size = strpcpyf(&ptr, size, "\nCould not get time to reach %s.", unit_id);
553 else if (!unit_id)
554 size = strpcpyf(&ptr, size, "\ncould not find default.target");
555
556 ptr = strdup(buf);
557 if (!ptr)
558 return log_oom();
559
560 *_buf = ptr;
561 return 0;
562 }
563
564 static void svg_graph_box(double height, double begin, double end) {
565 long long i;
566
567 /* outside box, fill */
568 svg("<rect class=\"box\" x=\"0\" y=\"0\" width=\"%.03f\" height=\"%.03f\" />\n",
569 SCALE_X * (end - begin),
570 SCALE_Y * height);
571
572 for (i = ((long long) (begin / 100000)) * 100000; i <= end; i += 100000) {
573 /* lines for each second */
574 if (i % 5000000 == 0)
575 svg(" <line class=\"sec5\" x1=\"%.03f\" y1=\"0\" x2=\"%.03f\" y2=\"%.03f\" />\n"
576 " <text class=\"sec\" x=\"%.03f\" y=\"%.03f\" >%.01fs</text>\n",
577 SCALE_X * i,
578 SCALE_X * i,
579 SCALE_Y * height,
580 SCALE_X * i,
581 -5.0,
582 0.000001 * i);
583 else if (i % 1000000 == 0)
584 svg(" <line class=\"sec1\" x1=\"%.03f\" y1=\"0\" x2=\"%.03f\" y2=\"%.03f\" />\n"
585 " <text class=\"sec\" x=\"%.03f\" y=\"%.03f\" >%.01fs</text>\n",
586 SCALE_X * i,
587 SCALE_X * i,
588 SCALE_Y * height,
589 SCALE_X * i,
590 -5.0,
591 0.000001 * i);
592 else
593 svg(" <line class=\"sec01\" x1=\"%.03f\" y1=\"0\" x2=\"%.03f\" y2=\"%.03f\" />\n",
594 SCALE_X * i,
595 SCALE_X * i,
596 SCALE_Y * height);
597 }
598 }
599
600 static int plot_unit_times(struct unit_times *u, double width, int y) {
601 char ts[FORMAT_TIMESPAN_MAX];
602 bool b;
603
604 if (!u->name)
605 return 0;
606
607 svg_bar("activating", u->activating, u->activated, y);
608 svg_bar("active", u->activated, u->deactivating, y);
609 svg_bar("deactivating", u->deactivating, u->deactivated, y);
610
611 /* place the text on the left if we have passed the half of the svg width */
612 b = u->activating * SCALE_X < width / 2;
613 if (u->time)
614 svg_text(b, u->activating, y, "%s (%s)",
615 u->name, format_timespan(ts, sizeof(ts), u->time, USEC_PER_MSEC));
616 else
617 svg_text(b, u->activating, y, "%s", u->name);
618
619 return 1;
620 }
621
622 static int analyze_plot(int argc, char *argv[], void *userdata) {
623 _cleanup_(free_host_infop) struct host_info *host = NULL;
624 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
625 _cleanup_(unit_times_freep) struct unit_times *times = NULL;
626 _cleanup_free_ char *pretty_times = NULL;
627 bool use_full_bus = arg_scope == UNIT_FILE_SYSTEM;
628 struct boot_times *boot;
629 struct unit_times *u;
630 int n, m = 1, y = 0, r;
631 double width;
632
633 r = acquire_bus(&bus, &use_full_bus);
634 if (r < 0)
635 return log_error_errno(r, "Failed to create bus connection: %m");
636
637 n = acquire_boot_times(bus, &boot);
638 if (n < 0)
639 return n;
640
641 n = pretty_boot_time(bus, &pretty_times);
642 if (n < 0)
643 return n;
644
645 if (use_full_bus || arg_scope != UNIT_FILE_SYSTEM) {
646 n = acquire_host_info(bus, &host);
647 if (n < 0)
648 return n;
649 }
650
651 n = acquire_time_data(bus, &times);
652 if (n <= 0)
653 return n;
654
655 typesafe_qsort(times, n, compare_unit_start);
656
657 width = SCALE_X * (boot->firmware_time + boot->finish_time);
658 if (width < 800.0)
659 width = 800.0;
660
661 if (boot->firmware_time > boot->loader_time)
662 m++;
663 if (boot->loader_time > 0) {
664 m++;
665 if (width < 1000.0)
666 width = 1000.0;
667 }
668 if (boot->initrd_time > 0)
669 m++;
670 if (boot->kernel_done_time > 0)
671 m++;
672
673 for (u = times; u->has_data; u++) {
674 double text_start, text_width;
675
676 if (u->activating > boot->finish_time) {
677 u->name = mfree(u->name);
678 continue;
679 }
680
681 /* If the text cannot fit on the left side then
682 * increase the svg width so it fits on the right.
683 * TODO: calculate the text width more accurately */
684 text_width = 8.0 * strlen(u->name);
685 text_start = (boot->firmware_time + u->activating) * SCALE_X;
686 if (text_width > text_start && text_width + text_start > width)
687 width = text_width + text_start;
688
689 if (u->deactivated > u->activating &&
690 u->deactivated <= boot->finish_time &&
691 u->activated == 0 && u->deactivating == 0)
692 u->activated = u->deactivating = u->deactivated;
693 if (u->activated < u->activating || u->activated > boot->finish_time)
694 u->activated = boot->finish_time;
695 if (u->deactivating < u->activated || u->deactivating > boot->finish_time)
696 u->deactivating = boot->finish_time;
697 if (u->deactivated < u->deactivating || u->deactivated > boot->finish_time)
698 u->deactivated = boot->finish_time;
699 m++;
700 }
701
702 svg("<?xml version=\"1.0\" standalone=\"no\"?>\n"
703 "<!DOCTYPE svg PUBLIC \"-//W3C//DTD SVG 1.1//EN\" "
704 "\"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd\">\n");
705
706 svg("<svg width=\"%.0fpx\" height=\"%.0fpx\" version=\"1.1\" "
707 "xmlns=\"http://www.w3.org/2000/svg\">\n\n",
708 80.0 + width, 150.0 + (m * SCALE_Y) +
709 5 * SCALE_Y /* legend */);
710
711 /* write some basic info as a comment, including some help */
712 svg("<!-- This file is a systemd-analyze SVG file. It is best rendered in a -->\n"
713 "<!-- browser such as Chrome, Chromium or Firefox. Other applications -->\n"
714 "<!-- that render these files properly but much slower are ImageMagick, -->\n"
715 "<!-- gimp, inkscape, etc. To display the files on your system, just -->\n"
716 "<!-- point your browser to this file. -->\n\n"
717 "<!-- This plot was generated by systemd-analyze version %-16.16s -->\n\n", GIT_VERSION);
718
719 /* style sheet */
720 svg("<defs>\n <style type=\"text/css\">\n <![CDATA[\n"
721 " rect { stroke-width: 1; stroke-opacity: 0; }\n"
722 " rect.background { fill: rgb(255,255,255); }\n"
723 " rect.activating { fill: rgb(255,0,0); fill-opacity: 0.7; }\n"
724 " rect.active { fill: rgb(200,150,150); fill-opacity: 0.7; }\n"
725 " rect.deactivating { fill: rgb(150,100,100); fill-opacity: 0.7; }\n"
726 " rect.kernel { fill: rgb(150,150,150); fill-opacity: 0.7; }\n"
727 " rect.initrd { fill: rgb(150,150,150); fill-opacity: 0.7; }\n"
728 " rect.firmware { fill: rgb(150,150,150); fill-opacity: 0.7; }\n"
729 " rect.loader { fill: rgb(150,150,150); fill-opacity: 0.7; }\n"
730 " rect.userspace { fill: rgb(150,150,150); fill-opacity: 0.7; }\n"
731 " rect.security { fill: rgb(144,238,144); fill-opacity: 0.7; }\n"
732 " rect.generators { fill: rgb(102,204,255); fill-opacity: 0.7; }\n"
733 " rect.unitsload { fill: rgb( 82,184,255); fill-opacity: 0.7; }\n"
734 " rect.box { fill: rgb(240,240,240); stroke: rgb(192,192,192); }\n"
735 " line { stroke: rgb(64,64,64); stroke-width: 1; }\n"
736 "// line.sec1 { }\n"
737 " line.sec5 { stroke-width: 2; }\n"
738 " line.sec01 { stroke: rgb(224,224,224); stroke-width: 1; }\n"
739 " text { font-family: Verdana, Helvetica; font-size: 14px; }\n"
740 " text.left { font-family: Verdana, Helvetica; font-size: 14px; text-anchor: start; }\n"
741 " text.right { font-family: Verdana, Helvetica; font-size: 14px; text-anchor: end; }\n"
742 " text.sec { font-size: 10px; }\n"
743 " ]]>\n </style>\n</defs>\n\n");
744
745 svg("<rect class=\"background\" width=\"100%%\" height=\"100%%\" />\n");
746 svg("<text x=\"20\" y=\"50\">%s</text>", pretty_times);
747 if (host)
748 svg("<text x=\"20\" y=\"30\">%s %s (%s %s %s) %s %s</text>",
749 isempty(host->os_pretty_name) ? "Linux" : host->os_pretty_name,
750 strempty(host->hostname),
751 strempty(host->kernel_name),
752 strempty(host->kernel_release),
753 strempty(host->kernel_version),
754 strempty(host->architecture),
755 strempty(host->virtualization));
756
757 svg("<g transform=\"translate(%.3f,100)\">\n", 20.0 + (SCALE_X * boot->firmware_time));
758 svg_graph_box(m, -(double) boot->firmware_time, boot->finish_time);
759
760 if (boot->firmware_time > 0) {
761 svg_bar("firmware", -(double) boot->firmware_time, -(double) boot->loader_time, y);
762 svg_text(true, -(double) boot->firmware_time, y, "firmware");
763 y++;
764 }
765 if (boot->loader_time > 0) {
766 svg_bar("loader", -(double) boot->loader_time, 0, y);
767 svg_text(true, -(double) boot->loader_time, y, "loader");
768 y++;
769 }
770 if (boot->kernel_done_time > 0) {
771 svg_bar("kernel", 0, boot->kernel_done_time, y);
772 svg_text(true, 0, y, "kernel");
773 y++;
774 }
775 if (boot->initrd_time > 0) {
776 svg_bar("initrd", boot->initrd_time, boot->userspace_time, y);
777 if (boot->initrd_security_start_time < boot->initrd_security_finish_time)
778 svg_bar("security", boot->initrd_security_start_time, boot->initrd_security_finish_time, y);
779 if (boot->initrd_generators_start_time < boot->initrd_generators_finish_time)
780 svg_bar("generators", boot->initrd_generators_start_time, boot->initrd_generators_finish_time, y);
781 if (boot->initrd_unitsload_start_time < boot->initrd_unitsload_finish_time)
782 svg_bar("unitsload", boot->initrd_unitsload_start_time, boot->initrd_unitsload_finish_time, y);
783 svg_text(true, boot->initrd_time, y, "initrd");
784 y++;
785 }
786
787 for (u = times; u->has_data; u++) {
788 if (u->activating >= boot->userspace_time)
789 break;
790
791 y += plot_unit_times(u, width, y);
792 }
793
794 svg_bar("active", boot->userspace_time, boot->finish_time, y);
795 if (boot->security_start_time > 0)
796 svg_bar("security", boot->security_start_time, boot->security_finish_time, y);
797 svg_bar("generators", boot->generators_start_time, boot->generators_finish_time, y);
798 svg_bar("unitsload", boot->unitsload_start_time, boot->unitsload_finish_time, y);
799 svg_text(true, boot->userspace_time, y, "systemd");
800 y++;
801
802 for (; u->has_data; u++)
803 y += plot_unit_times(u, width, y);
804
805 svg("</g>\n");
806
807 /* Legend */
808 svg("<g transform=\"translate(20,100)\">\n");
809 y++;
810 svg_bar("activating", 0, 300000, y);
811 svg_text(true, 400000, y, "Activating");
812 y++;
813 svg_bar("active", 0, 300000, y);
814 svg_text(true, 400000, y, "Active");
815 y++;
816 svg_bar("deactivating", 0, 300000, y);
817 svg_text(true, 400000, y, "Deactivating");
818 y++;
819 if (boot->security_start_time > 0) {
820 svg_bar("security", 0, 300000, y);
821 svg_text(true, 400000, y, "Setting up security module");
822 y++;
823 }
824 svg_bar("generators", 0, 300000, y);
825 svg_text(true, 400000, y, "Generators");
826 y++;
827 svg_bar("unitsload", 0, 300000, y);
828 svg_text(true, 400000, y, "Loading unit files");
829 y++;
830
831 svg("</g>\n\n");
832
833 svg("</svg>\n");
834
835 return 0;
836 }
837
838 static int list_dependencies_print(
839 const char *name,
840 unsigned level,
841 unsigned branches,
842 bool last,
843 struct unit_times *times,
844 struct boot_times *boot) {
845
846 unsigned i;
847 char ts[FORMAT_TIMESPAN_MAX], ts2[FORMAT_TIMESPAN_MAX];
848
849 for (i = level; i != 0; i--)
850 printf("%s", special_glyph(branches & (1 << (i-1)) ? SPECIAL_GLYPH_TREE_VERTICAL : SPECIAL_GLYPH_TREE_SPACE));
851
852 printf("%s", special_glyph(last ? SPECIAL_GLYPH_TREE_RIGHT : SPECIAL_GLYPH_TREE_BRANCH));
853
854 if (times) {
855 if (times->time > 0)
856 printf("%s%s @%s +%s%s", ansi_highlight_red(), name,
857 format_timespan(ts, sizeof(ts), times->activating - boot->userspace_time, USEC_PER_MSEC),
858 format_timespan(ts2, sizeof(ts2), times->time, USEC_PER_MSEC), ansi_normal());
859 else if (times->activated > boot->userspace_time)
860 printf("%s @%s", name, format_timespan(ts, sizeof(ts), times->activated - boot->userspace_time, USEC_PER_MSEC));
861 else
862 printf("%s", name);
863 } else
864 printf("%s", name);
865 printf("\n");
866
867 return 0;
868 }
869
870 static int list_dependencies_get_dependencies(sd_bus *bus, const char *name, char ***deps) {
871 _cleanup_free_ char *path = NULL;
872
873 assert(bus);
874 assert(name);
875 assert(deps);
876
877 path = unit_dbus_path_from_name(name);
878 if (!path)
879 return -ENOMEM;
880
881 return bus_get_unit_property_strv(bus, path, "After", deps);
882 }
883
884 static Hashmap *unit_times_hashmap;
885
886 static int list_dependencies_compare(char *const *a, char *const *b) {
887 usec_t usa = 0, usb = 0;
888 struct unit_times *times;
889
890 times = hashmap_get(unit_times_hashmap, *a);
891 if (times)
892 usa = times->activated;
893 times = hashmap_get(unit_times_hashmap, *b);
894 if (times)
895 usb = times->activated;
896
897 return CMP(usb, usa);
898 }
899
900 static bool times_in_range(const struct unit_times *times, const struct boot_times *boot) {
901 return times && times->activated > 0 && times->activated <= boot->finish_time;
902 }
903
904 static int list_dependencies_one(sd_bus *bus, const char *name, unsigned level, char ***units, unsigned branches) {
905 _cleanup_strv_free_ char **deps = NULL;
906 char **c;
907 int r = 0;
908 usec_t service_longest = 0;
909 int to_print = 0;
910 struct unit_times *times;
911 struct boot_times *boot;
912
913 if (strv_extend(units, name))
914 return log_oom();
915
916 r = list_dependencies_get_dependencies(bus, name, &deps);
917 if (r < 0)
918 return r;
919
920 typesafe_qsort(deps, strv_length(deps), list_dependencies_compare);
921
922 r = acquire_boot_times(bus, &boot);
923 if (r < 0)
924 return r;
925
926 STRV_FOREACH(c, deps) {
927 times = hashmap_get(unit_times_hashmap, *c);
928 if (times_in_range(times, boot) && times->activated >= service_longest)
929 service_longest = times->activated;
930 }
931
932 if (service_longest == 0)
933 return r;
934
935 STRV_FOREACH(c, deps) {
936 times = hashmap_get(unit_times_hashmap, *c);
937 if (times_in_range(times, boot) && service_longest - times->activated <= arg_fuzz)
938 to_print++;
939 }
940
941 if (!to_print)
942 return r;
943
944 STRV_FOREACH(c, deps) {
945 times = hashmap_get(unit_times_hashmap, *c);
946 if (!times_in_range(times, boot) || service_longest - times->activated > arg_fuzz)
947 continue;
948
949 to_print--;
950
951 r = list_dependencies_print(*c, level, branches, to_print == 0, times, boot);
952 if (r < 0)
953 return r;
954
955 if (strv_contains(*units, *c)) {
956 r = list_dependencies_print("...", level + 1, (branches << 1) | (to_print ? 1 : 0),
957 true, NULL, boot);
958 if (r < 0)
959 return r;
960 continue;
961 }
962
963 r = list_dependencies_one(bus, *c, level + 1, units, (branches << 1) | (to_print ? 1 : 0));
964 if (r < 0)
965 return r;
966
967 if (to_print == 0)
968 break;
969 }
970 return 0;
971 }
972
973 static int list_dependencies(sd_bus *bus, const char *name) {
974 _cleanup_strv_free_ char **units = NULL;
975 char ts[FORMAT_TIMESPAN_MAX];
976 struct unit_times *times;
977 int r;
978 const char *id;
979 _cleanup_free_ char *path = NULL;
980 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
981 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
982 struct boot_times *boot;
983
984 assert(bus);
985
986 path = unit_dbus_path_from_name(name);
987 if (!path)
988 return -ENOMEM;
989
990 r = sd_bus_get_property(
991 bus,
992 "org.freedesktop.systemd1",
993 path,
994 "org.freedesktop.systemd1.Unit",
995 "Id",
996 &error,
997 &reply,
998 "s");
999 if (r < 0)
1000 return log_error_errno(r, "Failed to get ID: %s", bus_error_message(&error, r));
1001
1002 r = sd_bus_message_read(reply, "s", &id);
1003 if (r < 0)
1004 return bus_log_parse_error(r);
1005
1006 times = hashmap_get(unit_times_hashmap, id);
1007
1008 r = acquire_boot_times(bus, &boot);
1009 if (r < 0)
1010 return r;
1011
1012 if (times) {
1013 if (times->time)
1014 printf("%s%s +%s%s\n", ansi_highlight_red(), id,
1015 format_timespan(ts, sizeof(ts), times->time, USEC_PER_MSEC), ansi_normal());
1016 else if (times->activated > boot->userspace_time)
1017 printf("%s @%s\n", id, format_timespan(ts, sizeof(ts), times->activated - boot->userspace_time, USEC_PER_MSEC));
1018 else
1019 printf("%s\n", id);
1020 }
1021
1022 return list_dependencies_one(bus, name, 0, &units, 0);
1023 }
1024
1025 static int analyze_critical_chain(int argc, char *argv[], void *userdata) {
1026 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
1027 _cleanup_(unit_times_freep) struct unit_times *times = NULL;
1028 struct unit_times *u;
1029 Hashmap *h;
1030 int n, r;
1031
1032 r = acquire_bus(&bus, NULL);
1033 if (r < 0)
1034 return log_error_errno(r, "Failed to create bus connection: %m");
1035
1036 n = acquire_time_data(bus, &times);
1037 if (n <= 0)
1038 return n;
1039
1040 h = hashmap_new(&string_hash_ops);
1041 if (!h)
1042 return log_oom();
1043
1044 for (u = times; u->has_data; u++) {
1045 r = hashmap_put(h, u->name, u);
1046 if (r < 0)
1047 return log_error_errno(r, "Failed to add entry to hashmap: %m");
1048 }
1049 unit_times_hashmap = h;
1050
1051 (void) pager_open(arg_pager_flags);
1052
1053 puts("The time when unit became active or started is printed after the \"@\" character.\n"
1054 "The time the unit took to start is printed after the \"+\" character.\n");
1055
1056 if (argc > 1) {
1057 char **name;
1058 STRV_FOREACH(name, strv_skip(argv, 1))
1059 list_dependencies(bus, *name);
1060 } else
1061 list_dependencies(bus, SPECIAL_DEFAULT_TARGET);
1062
1063 h = hashmap_free(h);
1064 return 0;
1065 }
1066
1067 static int analyze_blame(int argc, char *argv[], void *userdata) {
1068 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
1069 _cleanup_(unit_times_freep) struct unit_times *times = NULL;
1070 _cleanup_(table_unrefp) Table *table = NULL;
1071 struct unit_times *u;
1072 TableCell *cell;
1073 int n, r;
1074
1075 r = acquire_bus(&bus, NULL);
1076 if (r < 0)
1077 return log_error_errno(r, "Failed to create bus connection: %m");
1078
1079 n = acquire_time_data(bus, &times);
1080 if (n <= 0)
1081 return n;
1082
1083 table = table_new("time", "unit");
1084 if (!table)
1085 return log_oom();
1086
1087 table_set_header(table, false);
1088
1089 assert_se(cell = table_get_cell(table, 0, 0));
1090 r = table_set_ellipsize_percent(table, cell, 100);
1091 if (r < 0)
1092 return r;
1093
1094 r = table_set_align_percent(table, cell, 100);
1095 if (r < 0)
1096 return r;
1097
1098 assert_se(cell = table_get_cell(table, 0, 1));
1099 r = table_set_ellipsize_percent(table, cell, 100);
1100 if (r < 0)
1101 return r;
1102
1103 r = table_set_sort(table, 0, SIZE_MAX);
1104 if (r < 0)
1105 return r;
1106
1107 r = table_set_reverse(table, 0, true);
1108 if (r < 0)
1109 return r;
1110
1111 for (u = times; u->has_data; u++) {
1112 if (u->time <= 0)
1113 continue;
1114
1115 r = table_add_cell(table, NULL, TABLE_TIMESPAN_MSEC, &u->time);
1116 if (r < 0)
1117 return r;
1118
1119 r = table_add_cell(table, NULL, TABLE_STRING, u->name);
1120 if (r < 0)
1121 return r;
1122 }
1123
1124 (void) pager_open(arg_pager_flags);
1125
1126 return table_print(table, NULL);
1127 }
1128
1129 static int analyze_time(int argc, char *argv[], void *userdata) {
1130 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
1131 _cleanup_free_ char *buf = NULL;
1132 int r;
1133
1134 r = acquire_bus(&bus, NULL);
1135 if (r < 0)
1136 return log_error_errno(r, "Failed to create bus connection: %m");
1137
1138 r = pretty_boot_time(bus, &buf);
1139 if (r < 0)
1140 return r;
1141
1142 puts(buf);
1143 return 0;
1144 }
1145
1146 static int graph_one_property(
1147 sd_bus *bus,
1148 const UnitInfo *u,
1149 const char *prop,
1150 const char *color,
1151 char *patterns[],
1152 char *from_patterns[],
1153 char *to_patterns[]) {
1154
1155 _cleanup_strv_free_ char **units = NULL;
1156 char **unit;
1157 int r;
1158 bool match_patterns;
1159
1160 assert(u);
1161 assert(prop);
1162 assert(color);
1163
1164 match_patterns = strv_fnmatch(patterns, u->id, 0);
1165
1166 if (!strv_isempty(from_patterns) && !match_patterns && !strv_fnmatch(from_patterns, u->id, 0))
1167 return 0;
1168
1169 r = bus_get_unit_property_strv(bus, u->unit_path, prop, &units);
1170 if (r < 0)
1171 return r;
1172
1173 STRV_FOREACH(unit, units) {
1174 bool match_patterns2;
1175
1176 match_patterns2 = strv_fnmatch(patterns, *unit, 0);
1177
1178 if (!strv_isempty(to_patterns) && !match_patterns2 && !strv_fnmatch(to_patterns, *unit, 0))
1179 continue;
1180
1181 if (!strv_isempty(patterns) && !match_patterns && !match_patterns2)
1182 continue;
1183
1184 printf("\t\"%s\"->\"%s\" [color=\"%s\"];\n", u->id, *unit, color);
1185 }
1186
1187 return 0;
1188 }
1189
1190 static int graph_one(sd_bus *bus, const UnitInfo *u, char *patterns[], char *from_patterns[], char *to_patterns[]) {
1191 int r;
1192
1193 assert(bus);
1194 assert(u);
1195
1196 if (IN_SET(arg_dot, DEP_ORDER, DEP_ALL)) {
1197 r = graph_one_property(bus, u, "After", "green", patterns, from_patterns, to_patterns);
1198 if (r < 0)
1199 return r;
1200 }
1201
1202 if (IN_SET(arg_dot, DEP_REQUIRE, DEP_ALL)) {
1203 r = graph_one_property(bus, u, "Requires", "black", patterns, from_patterns, to_patterns);
1204 if (r < 0)
1205 return r;
1206 r = graph_one_property(bus, u, "Requisite", "darkblue", patterns, from_patterns, to_patterns);
1207 if (r < 0)
1208 return r;
1209 r = graph_one_property(bus, u, "Wants", "grey66", patterns, from_patterns, to_patterns);
1210 if (r < 0)
1211 return r;
1212 r = graph_one_property(bus, u, "Conflicts", "red", patterns, from_patterns, to_patterns);
1213 if (r < 0)
1214 return r;
1215 }
1216
1217 return 0;
1218 }
1219
1220 static int expand_patterns(sd_bus *bus, char **patterns, char ***ret) {
1221 _cleanup_strv_free_ char **expanded_patterns = NULL;
1222 char **pattern;
1223 int r;
1224
1225 STRV_FOREACH(pattern, patterns) {
1226 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1227 _cleanup_free_ char *unit = NULL, *unit_id = NULL;
1228
1229 if (strv_extend(&expanded_patterns, *pattern) < 0)
1230 return log_oom();
1231
1232 if (string_is_glob(*pattern))
1233 continue;
1234
1235 unit = unit_dbus_path_from_name(*pattern);
1236 if (!unit)
1237 return log_oom();
1238
1239 r = sd_bus_get_property_string(
1240 bus,
1241 "org.freedesktop.systemd1",
1242 unit,
1243 "org.freedesktop.systemd1.Unit",
1244 "Id",
1245 &error,
1246 &unit_id);
1247 if (r < 0)
1248 return log_error_errno(r, "Failed to get ID: %s", bus_error_message(&error, r));
1249
1250 if (!streq(*pattern, unit_id)) {
1251 if (strv_extend(&expanded_patterns, unit_id) < 0)
1252 return log_oom();
1253 }
1254 }
1255
1256 *ret = expanded_patterns;
1257 expanded_patterns = NULL; /* do not free */
1258
1259 return 0;
1260 }
1261
1262 static int dot(int argc, char *argv[], void *userdata) {
1263 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
1264 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1265 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
1266 _cleanup_strv_free_ char **expanded_patterns = NULL;
1267 _cleanup_strv_free_ char **expanded_from_patterns = NULL;
1268 _cleanup_strv_free_ char **expanded_to_patterns = NULL;
1269 int r;
1270 UnitInfo u;
1271
1272 r = acquire_bus(&bus, NULL);
1273 if (r < 0)
1274 return log_error_errno(r, "Failed to create bus connection: %m");
1275
1276 r = expand_patterns(bus, strv_skip(argv, 1), &expanded_patterns);
1277 if (r < 0)
1278 return r;
1279
1280 r = expand_patterns(bus, arg_dot_from_patterns, &expanded_from_patterns);
1281 if (r < 0)
1282 return r;
1283
1284 r = expand_patterns(bus, arg_dot_to_patterns, &expanded_to_patterns);
1285 if (r < 0)
1286 return r;
1287
1288 r = sd_bus_call_method(
1289 bus,
1290 "org.freedesktop.systemd1",
1291 "/org/freedesktop/systemd1",
1292 "org.freedesktop.systemd1.Manager",
1293 "ListUnits",
1294 &error,
1295 &reply,
1296 "");
1297 if (r < 0)
1298 log_error_errno(r, "Failed to list units: %s", bus_error_message(&error, r));
1299
1300 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssssssouso)");
1301 if (r < 0)
1302 return bus_log_parse_error(r);
1303
1304 printf("digraph systemd {\n");
1305
1306 while ((r = bus_parse_unit_info(reply, &u)) > 0) {
1307
1308 r = graph_one(bus, &u, expanded_patterns, expanded_from_patterns, expanded_to_patterns);
1309 if (r < 0)
1310 return r;
1311 }
1312 if (r < 0)
1313 return bus_log_parse_error(r);
1314
1315 printf("}\n");
1316
1317 log_info(" Color legend: black = Requires\n"
1318 " dark blue = Requisite\n"
1319 " dark grey = Wants\n"
1320 " red = Conflicts\n"
1321 " green = After\n");
1322
1323 if (on_tty())
1324 log_notice("-- You probably want to process this output with graphviz' dot tool.\n"
1325 "-- Try a shell pipeline like 'systemd-analyze dot | dot -Tsvg > systemd.svg'!\n");
1326
1327 return 0;
1328 }
1329
1330 static int dump_fallback(sd_bus *bus) {
1331 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1332 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
1333 const char *text = NULL;
1334 int r;
1335
1336 assert(bus);
1337
1338 r = sd_bus_call_method(
1339 bus,
1340 "org.freedesktop.systemd1",
1341 "/org/freedesktop/systemd1",
1342 "org.freedesktop.systemd1.Manager",
1343 "Dump",
1344 &error,
1345 &reply,
1346 NULL);
1347 if (r < 0)
1348 return log_error_errno(r, "Failed to issue method call Dump: %s", bus_error_message(&error, r));
1349
1350 r = sd_bus_message_read(reply, "s", &text);
1351 if (r < 0)
1352 return bus_log_parse_error(r);
1353
1354 fputs(text, stdout);
1355 return 0;
1356 }
1357
1358 static int dump(int argc, char *argv[], void *userdata) {
1359 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1360 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
1361 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
1362 int fd = -1;
1363 int r;
1364
1365 r = acquire_bus(&bus, NULL);
1366 if (r < 0)
1367 return log_error_errno(r, "Failed to create bus connection: %m");
1368
1369 (void) pager_open(arg_pager_flags);
1370
1371 if (!sd_bus_can_send(bus, SD_BUS_TYPE_UNIX_FD))
1372 return dump_fallback(bus);
1373
1374 r = sd_bus_call_method(
1375 bus,
1376 "org.freedesktop.systemd1",
1377 "/org/freedesktop/systemd1",
1378 "org.freedesktop.systemd1.Manager",
1379 "DumpByFileDescriptor",
1380 &error,
1381 &reply,
1382 NULL);
1383 if (r < 0) {
1384 /* fall back to Dump if DumpByFileDescriptor is not supported */
1385 if (!IN_SET(r, -EACCES, -EBADR))
1386 return log_error_errno(r, "Failed to issue method call DumpByFileDescriptor: %s",
1387 bus_error_message(&error, r));
1388
1389 return dump_fallback(bus);
1390 }
1391
1392 r = sd_bus_message_read(reply, "h", &fd);
1393 if (r < 0)
1394 return bus_log_parse_error(r);
1395
1396 fflush(stdout);
1397 return copy_bytes(fd, STDOUT_FILENO, (uint64_t) -1, 0);
1398 }
1399
1400 static int cat_config(int argc, char *argv[], void *userdata) {
1401 char **arg, **list;
1402 int r;
1403
1404 (void) pager_open(arg_pager_flags);
1405
1406 list = strv_skip(argv, 1);
1407 STRV_FOREACH(arg, list) {
1408 const char *t = NULL;
1409
1410 if (arg != list)
1411 print_separator();
1412
1413 if (path_is_absolute(*arg)) {
1414 const char *dir;
1415
1416 NULSTR_FOREACH(dir, CONF_PATHS_NULSTR("")) {
1417 t = path_startswith(*arg, dir);
1418 if (t)
1419 break;
1420 }
1421
1422 if (!t)
1423 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
1424 "Path %s does not start with any known prefix.", *arg);
1425 } else
1426 t = *arg;
1427
1428 r = conf_files_cat(arg_root, t);
1429 if (r < 0)
1430 return r;
1431 }
1432
1433 return 0;
1434 }
1435
1436 static int set_log_level(int argc, char *argv[], void *userdata) {
1437 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1438 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
1439 int r;
1440
1441 assert(argc == 2);
1442 assert(argv);
1443
1444 r = acquire_bus(&bus, NULL);
1445 if (r < 0)
1446 return log_error_errno(r, "Failed to create bus connection: %m");
1447
1448 r = sd_bus_set_property(
1449 bus,
1450 "org.freedesktop.systemd1",
1451 "/org/freedesktop/systemd1",
1452 "org.freedesktop.systemd1.Manager",
1453 "LogLevel",
1454 &error,
1455 "s",
1456 argv[1]);
1457 if (r < 0)
1458 return log_error_errno(r, "Failed to issue method call: %s", bus_error_message(&error, r));
1459
1460 return 0;
1461 }
1462
1463 static int get_log_level(int argc, char *argv[], void *userdata) {
1464 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1465 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
1466 _cleanup_free_ char *level = NULL;
1467 int r;
1468
1469 r = acquire_bus(&bus, NULL);
1470 if (r < 0)
1471 return log_error_errno(r, "Failed to create bus connection: %m");
1472
1473 r = sd_bus_get_property_string(
1474 bus,
1475 "org.freedesktop.systemd1",
1476 "/org/freedesktop/systemd1",
1477 "org.freedesktop.systemd1.Manager",
1478 "LogLevel",
1479 &error,
1480 &level);
1481 if (r < 0)
1482 return log_error_errno(r, "Failed to get log level: %s", bus_error_message(&error, r));
1483
1484 puts(level);
1485 return 0;
1486 }
1487
1488 static int get_or_set_log_level(int argc, char *argv[], void *userdata) {
1489 return (argc == 1) ? get_log_level(argc, argv, userdata) : set_log_level(argc, argv, userdata);
1490 }
1491
1492 static int set_log_target(int argc, char *argv[], void *userdata) {
1493 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1494 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
1495 int r;
1496
1497 assert(argc == 2);
1498 assert(argv);
1499
1500 r = acquire_bus(&bus, NULL);
1501 if (r < 0)
1502 return log_error_errno(r, "Failed to create bus connection: %m");
1503
1504 r = sd_bus_set_property(
1505 bus,
1506 "org.freedesktop.systemd1",
1507 "/org/freedesktop/systemd1",
1508 "org.freedesktop.systemd1.Manager",
1509 "LogTarget",
1510 &error,
1511 "s",
1512 argv[1]);
1513 if (r < 0)
1514 return log_error_errno(r, "Failed to issue method call: %s", bus_error_message(&error, r));
1515
1516 return 0;
1517 }
1518
1519 static int get_log_target(int argc, char *argv[], void *userdata) {
1520 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1521 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
1522 _cleanup_free_ char *target = NULL;
1523 int r;
1524
1525 r = acquire_bus(&bus, NULL);
1526 if (r < 0)
1527 return log_error_errno(r, "Failed to create bus connection: %m");
1528
1529 r = sd_bus_get_property_string(
1530 bus,
1531 "org.freedesktop.systemd1",
1532 "/org/freedesktop/systemd1",
1533 "org.freedesktop.systemd1.Manager",
1534 "LogTarget",
1535 &error,
1536 &target);
1537 if (r < 0)
1538 return log_error_errno(r, "Failed to get log target: %s", bus_error_message(&error, r));
1539
1540 puts(target);
1541 return 0;
1542 }
1543
1544 static int get_or_set_log_target(int argc, char *argv[], void *userdata) {
1545 return (argc == 1) ? get_log_target(argc, argv, userdata) : set_log_target(argc, argv, userdata);
1546 }
1547
1548 static bool strv_fnmatch_strv_or_empty(char* const* patterns, char **strv, int flags) {
1549 char **s;
1550 STRV_FOREACH(s, strv)
1551 if (strv_fnmatch_or_empty(patterns, *s, flags))
1552 return true;
1553
1554 return false;
1555 }
1556
1557 static int do_unit_files(int argc, char *argv[], void *userdata) {
1558 _cleanup_(lookup_paths_free) LookupPaths lp = {};
1559 _cleanup_hashmap_free_ Hashmap *unit_ids = NULL;
1560 _cleanup_hashmap_free_ Hashmap *unit_names = NULL;
1561 char **patterns = strv_skip(argv, 1);
1562 Iterator i;
1563 const char *k, *dst;
1564 char **v;
1565 int r;
1566
1567 r = lookup_paths_init(&lp, arg_scope, 0, NULL);
1568 if (r < 0)
1569 return log_error_errno(r, "lookup_paths_init() failed: %m");
1570
1571 r = unit_file_build_name_map(&lp, NULL, &unit_ids, &unit_names, NULL);
1572 if (r < 0)
1573 return log_error_errno(r, "unit_file_build_name_map() failed: %m");
1574
1575 HASHMAP_FOREACH_KEY(dst, k, unit_ids, i) {
1576 if (!strv_fnmatch_or_empty(patterns, k, FNM_NOESCAPE) &&
1577 !strv_fnmatch_or_empty(patterns, dst, FNM_NOESCAPE))
1578 continue;
1579
1580 printf("ids: %s → %s\n", k, dst);
1581 }
1582
1583 HASHMAP_FOREACH_KEY(v, k, unit_names, i) {
1584 if (!strv_fnmatch_or_empty(patterns, k, FNM_NOESCAPE) &&
1585 !strv_fnmatch_strv_or_empty(patterns, v, FNM_NOESCAPE))
1586 continue;
1587
1588 _cleanup_free_ char *j = strv_join(v, ", ");
1589 printf("aliases: %s ← %s\n", k, j);
1590 }
1591
1592 return 0;
1593 }
1594
1595 static int dump_unit_paths(int argc, char *argv[], void *userdata) {
1596 _cleanup_(lookup_paths_free) LookupPaths paths = {};
1597 int r;
1598 char **p;
1599
1600 r = lookup_paths_init(&paths, arg_scope, 0, NULL);
1601 if (r < 0)
1602 return log_error_errno(r, "lookup_paths_init() failed: %m");
1603
1604 STRV_FOREACH(p, paths.search_path)
1605 puts(*p);
1606
1607 return 0;
1608 }
1609
1610 #if HAVE_SECCOMP
1611
1612 static int load_kernel_syscalls(Set **ret) {
1613 _cleanup_(set_free_freep) Set *syscalls = NULL;
1614 _cleanup_fclose_ FILE *f = NULL;
1615 int r;
1616
1617 /* Let's read the available system calls from the list of available tracing events. Slightly dirty,
1618 * but good enough for analysis purposes. */
1619
1620 f = fopen("/sys/kernel/tracing/available_events", "re");
1621 if (!f) {
1622 /* We tried the non-debugfs mount point and that didn't work. If it wasn't mounted, maybe the
1623 * old debugfs mount point works? */
1624 f = fopen("/sys/kernel/debug/tracing/available_events", "re");
1625 if (!f)
1626 return log_full_errno(IN_SET(errno, EPERM, EACCES, ENOENT) ? LOG_DEBUG : LOG_WARNING, errno,
1627 "Can't read open tracefs' available_events file: %m");
1628 }
1629
1630 for (;;) {
1631 _cleanup_free_ char *line = NULL;
1632 const char *e;
1633
1634 r = read_line(f, LONG_LINE_MAX, &line);
1635 if (r < 0)
1636 return log_error_errno(r, "Failed to read system call list: %m");
1637 if (r == 0)
1638 break;
1639
1640 e = startswith(line, "syscalls:sys_enter_");
1641 if (!e)
1642 continue;
1643
1644 /* These are named differently inside the kernel than their external name for historical
1645 * reasons. Let's hide them here. */
1646 if (STR_IN_SET(e, "newuname", "newfstat", "newstat", "newlstat", "sysctl"))
1647 continue;
1648
1649 r = set_ensure_allocated(&syscalls, &string_hash_ops);
1650 if (r < 0)
1651 return log_oom();
1652
1653 r = set_put_strdup(syscalls, e);
1654 if (r < 0)
1655 return log_error_errno(r, "Failed to add system call to list: %m");
1656 }
1657
1658 *ret = TAKE_PTR(syscalls);
1659 return 0;
1660 }
1661
1662 static void kernel_syscalls_remove(Set *s, const SyscallFilterSet *set) {
1663 const char *syscall;
1664
1665 NULSTR_FOREACH(syscall, set->value) {
1666 if (syscall[0] == '@')
1667 continue;
1668
1669 (void) set_remove(s, syscall);
1670 }
1671 }
1672
1673 static void dump_syscall_filter(const SyscallFilterSet *set) {
1674 const char *syscall;
1675
1676 printf("%s%s%s\n"
1677 " # %s\n",
1678 ansi_highlight(),
1679 set->name,
1680 ansi_normal(),
1681 set->help);
1682
1683 NULSTR_FOREACH(syscall, set->value)
1684 printf(" %s%s%s\n", syscall[0] == '@' ? ansi_underline() : "", syscall, ansi_normal());
1685 }
1686
1687 static int dump_syscall_filters(int argc, char *argv[], void *userdata) {
1688 bool first = true;
1689
1690 (void) pager_open(arg_pager_flags);
1691
1692 if (strv_isempty(strv_skip(argv, 1))) {
1693 _cleanup_(set_free_freep) Set *kernel = NULL;
1694 int i, k;
1695
1696 k = load_kernel_syscalls(&kernel);
1697
1698 for (i = 0; i < _SYSCALL_FILTER_SET_MAX; i++) {
1699 const SyscallFilterSet *set = syscall_filter_sets + i;
1700 if (!first)
1701 puts("");
1702
1703 dump_syscall_filter(set);
1704 kernel_syscalls_remove(kernel, set);
1705 first = false;
1706 }
1707
1708 if (k < 0) {
1709 fputc('\n', stdout);
1710 fflush(stdout);
1711 log_notice_errno(k, "# Not showing unlisted system calls, couldn't retrieve kernel system call list: %m");
1712 } else if (!set_isempty(kernel)) {
1713 const char *syscall;
1714 Iterator j;
1715
1716 printf("\n"
1717 "# %sUnlisted System Calls%s (supported by the local kernel, but not included in any of the groups listed above):\n",
1718 ansi_highlight(), ansi_normal());
1719
1720 SET_FOREACH(syscall, kernel, j)
1721 printf("# %s\n", syscall);
1722 }
1723 } else {
1724 char **name;
1725
1726 STRV_FOREACH(name, strv_skip(argv, 1)) {
1727 const SyscallFilterSet *set;
1728
1729 if (!first)
1730 puts("");
1731
1732 set = syscall_filter_set_find(*name);
1733 if (!set) {
1734 /* make sure the error appears below normal output */
1735 fflush(stdout);
1736
1737 return log_error_errno(SYNTHETIC_ERRNO(ENOENT),
1738 "Filter set \"%s\" not found.", *name);
1739 }
1740
1741 dump_syscall_filter(set);
1742 first = false;
1743 }
1744 }
1745
1746 return 0;
1747 }
1748
1749 #else
1750 static int dump_syscall_filters(int argc, char *argv[], void *userdata) {
1751 return log_error_errno(SYNTHETIC_ERRNO(EOPNOTSUPP), "Not compiled with syscall filters, sorry.");
1752 }
1753 #endif
1754
1755 static void parsing_hint(const char *p, bool calendar, bool timestamp, bool timespan) {
1756 if (calendar && calendar_spec_from_string(p, NULL) >= 0)
1757 log_notice("Hint: this expression is a valid calendar specification. "
1758 "Use 'systemd-analyze calendar \"%s\"' instead?", p);
1759 if (timestamp && parse_timestamp(p, NULL) >= 0)
1760 log_notice("Hint: this expression is a valid timestamp. "
1761 "Use 'systemd-analyze timestamp \"%s\"' instead?", p);
1762 if (timespan && parse_time(p, NULL, USEC_PER_SEC) >= 0)
1763 log_notice("Hint: this expression is a valid timespan. "
1764 "Use 'systemd-analyze timespan \"%s\"' instead?", p);
1765 }
1766
1767 static int dump_timespan(int argc, char *argv[], void *userdata) {
1768 char **input_timespan;
1769
1770 STRV_FOREACH(input_timespan, strv_skip(argv, 1)) {
1771 _cleanup_(table_unrefp) Table *table = NULL;
1772 usec_t output_usecs;
1773 TableCell *cell;
1774 int r;
1775
1776 r = parse_time(*input_timespan, &output_usecs, USEC_PER_SEC);
1777 if (r < 0) {
1778 log_error_errno(r, "Failed to parse time span '%s': %m", *input_timespan);
1779 parsing_hint(*input_timespan, true, true, false);
1780 return r;
1781 }
1782
1783 table = table_new("name", "value");
1784 if (!table)
1785 return log_oom();
1786
1787 table_set_header(table, false);
1788
1789 assert_se(cell = table_get_cell(table, 0, 0));
1790 r = table_set_ellipsize_percent(table, cell, 100);
1791 if (r < 0)
1792 return r;
1793
1794 r = table_set_align_percent(table, cell, 100);
1795 if (r < 0)
1796 return r;
1797
1798 assert_se(cell = table_get_cell(table, 0, 1));
1799 r = table_set_ellipsize_percent(table, cell, 100);
1800 if (r < 0)
1801 return r;
1802
1803 r = table_add_cell(table, NULL, TABLE_STRING, "Original:");
1804 if (r < 0)
1805 return r;
1806
1807 r = table_add_cell(table, NULL, TABLE_STRING, *input_timespan);
1808 if (r < 0)
1809 return r;
1810
1811 r = table_add_cell_stringf(table, NULL, "%ss:", special_glyph(SPECIAL_GLYPH_MU));
1812 if (r < 0)
1813 return r;
1814
1815 r = table_add_cell(table, NULL, TABLE_UINT64, &output_usecs);
1816 if (r < 0)
1817 return r;
1818
1819 r = table_add_cell(table, NULL, TABLE_STRING, "Human:");
1820 if (r < 0)
1821 return r;
1822
1823 r = table_add_cell(table, &cell, TABLE_TIMESPAN, &output_usecs);
1824 if (r < 0)
1825 return r;
1826
1827 r = table_set_color(table, cell, ansi_highlight());
1828 if (r < 0)
1829 return r;
1830
1831 r = table_print(table, NULL);
1832 if (r < 0)
1833 return r;
1834
1835 if (input_timespan[1])
1836 putchar('\n');
1837 }
1838
1839 return EXIT_SUCCESS;
1840 }
1841
1842 static int test_timestamp_one(const char *p) {
1843 _cleanup_(table_unrefp) Table *table = NULL;
1844 TableCell *cell;
1845 usec_t usec;
1846 int r;
1847
1848 r = parse_timestamp(p, &usec);
1849 if (r < 0) {
1850 log_error_errno(r, "Failed to parse \"%s\": %m", p);
1851 parsing_hint(p, true, false, true);
1852 return r;
1853 }
1854
1855 table = table_new("name", "value");
1856 if (!table)
1857 return log_oom();
1858
1859 table_set_header(table, false);
1860
1861 assert_se(cell = table_get_cell(table, 0, 0));
1862 r = table_set_ellipsize_percent(table, cell, 100);
1863 if (r < 0)
1864 return r;
1865
1866 r = table_set_align_percent(table, cell, 100);
1867 if (r < 0)
1868 return r;
1869
1870 assert_se(cell = table_get_cell(table, 0, 1));
1871 r = table_set_ellipsize_percent(table, cell, 100);
1872 if (r < 0)
1873 return r;
1874
1875 r = table_add_cell(table, NULL, TABLE_STRING, "Original form:");
1876 if (r < 0)
1877 return r;
1878
1879 r = table_add_cell(table, NULL, TABLE_STRING, p);
1880 if (r < 0)
1881 return r;
1882
1883 r = table_add_cell(table, NULL, TABLE_STRING, "Normalized form:");
1884 if (r < 0)
1885 return r;
1886
1887 r = table_add_cell(table, &cell, TABLE_TIMESTAMP, &usec);
1888 if (r < 0)
1889 return r;
1890
1891 r = table_set_color(table, cell, ansi_highlight_blue());
1892 if (r < 0)
1893 return r;
1894
1895 if (!in_utc_timezone()) {
1896 r = table_add_cell(table, NULL, TABLE_STRING, "(in UTC):");
1897 if (r < 0)
1898 return r;
1899
1900 r = table_add_cell(table, &cell, TABLE_TIMESTAMP_UTC, &usec);
1901 if (r < 0)
1902 return r;
1903 }
1904
1905 r = table_add_cell(table, NULL, TABLE_STRING, "UNIX seconds:");
1906 if (r < 0)
1907 return r;
1908
1909 if (usec % USEC_PER_SEC == 0)
1910 r = table_add_cell_stringf(table, &cell, "@%"PRI_USEC,
1911 usec / USEC_PER_SEC);
1912 else
1913 r = table_add_cell_stringf(table, &cell, "@%"PRI_USEC".%06"PRI_USEC"",
1914 usec / USEC_PER_SEC,
1915 usec % USEC_PER_SEC);
1916 if (r < 0)
1917 return r;
1918
1919 r = table_add_cell(table, NULL, TABLE_STRING, "From now:");
1920 if (r < 0)
1921 return r;
1922
1923 r = table_add_cell(table, &cell, TABLE_TIMESTAMP_RELATIVE, &usec);
1924 if (r < 0)
1925 return r;
1926
1927 return table_print(table, NULL);
1928 }
1929
1930 static int test_timestamp(int argc, char *argv[], void *userdata) {
1931 int ret = 0, r;
1932 char **p;
1933
1934 STRV_FOREACH(p, strv_skip(argv, 1)) {
1935 r = test_timestamp_one(*p);
1936 if (ret == 0 && r < 0)
1937 ret = r;
1938
1939 if (*(p + 1))
1940 putchar('\n');
1941 }
1942
1943 return ret;
1944 }
1945
1946 static int test_calendar_one(usec_t n, const char *p) {
1947 _cleanup_(calendar_spec_freep) CalendarSpec *spec = NULL;
1948 _cleanup_(table_unrefp) Table *table = NULL;
1949 _cleanup_free_ char *t = NULL;
1950 TableCell *cell;
1951 int r;
1952
1953 r = calendar_spec_from_string(p, &spec);
1954 if (r < 0) {
1955 log_error_errno(r, "Failed to parse calendar specification '%s': %m", p);
1956 parsing_hint(p, false, true, true);
1957 return r;
1958 }
1959
1960 r = calendar_spec_to_string(spec, &t);
1961 if (r < 0)
1962 return log_error_errno(r, "Failed to format calendar specification '%s': %m", p);
1963
1964 table = table_new("name", "value");
1965 if (!table)
1966 return log_oom();
1967
1968 table_set_header(table, false);
1969
1970 assert_se(cell = table_get_cell(table, 0, 0));
1971 r = table_set_ellipsize_percent(table, cell, 100);
1972 if (r < 0)
1973 return r;
1974
1975 r = table_set_align_percent(table, cell, 100);
1976 if (r < 0)
1977 return r;
1978
1979 assert_se(cell = table_get_cell(table, 0, 1));
1980 r = table_set_ellipsize_percent(table, cell, 100);
1981 if (r < 0)
1982 return r;
1983
1984 if (!streq(t, p)) {
1985 r = table_add_cell(table, NULL, TABLE_STRING, "Original form:");
1986 if (r < 0)
1987 return r;
1988
1989 r = table_add_cell(table, NULL, TABLE_STRING, p);
1990 if (r < 0)
1991 return r;
1992 }
1993
1994 r = table_add_cell(table, NULL, TABLE_STRING, "Normalized form:");
1995 if (r < 0)
1996 return r;
1997
1998 r = table_add_cell(table, NULL, TABLE_STRING, t);
1999 if (r < 0)
2000 return r;
2001
2002 for (unsigned i = 0; i < arg_iterations; i++) {
2003 usec_t next;
2004
2005 r = calendar_spec_next_usec(spec, n, &next);
2006 if (r == -ENOENT) {
2007 if (i == 0) {
2008 r = table_add_cell(table, NULL, TABLE_STRING, "Next elapse:");
2009 if (r < 0)
2010 return r;
2011
2012 r = table_add_cell(table, &cell, TABLE_STRING, "never");
2013 if (r < 0)
2014 return r;
2015
2016 r = table_set_color(table, cell, ansi_highlight_yellow());
2017 if (r < 0)
2018 return r;
2019 }
2020 break;
2021 }
2022 if (r < 0)
2023 return log_error_errno(r, "Failed to determine next elapse for '%s': %m", p);
2024
2025 if (i == 0) {
2026 r = table_add_cell(table, NULL, TABLE_STRING, "Next elapse:");
2027 if (r < 0)
2028 return r;
2029
2030 r = table_add_cell(table, &cell, TABLE_TIMESTAMP, &next);
2031 if (r < 0)
2032 return r;
2033
2034 r = table_set_color(table, cell, ansi_highlight_blue());
2035 if (r < 0)
2036 return r;
2037 } else {
2038 int k = DECIMAL_STR_WIDTH(i + 1);
2039
2040 if (k < 8)
2041 k = 8 - k;
2042 else
2043 k = 0;
2044
2045 r = table_add_cell_stringf(table, NULL, "Iter. #%u:", i+1);
2046 if (r < 0)
2047 return r;
2048
2049 r = table_add_cell(table, &cell, TABLE_TIMESTAMP, &next);
2050 if (r < 0)
2051 return r;
2052
2053 r = table_set_color(table, cell, ansi_highlight_blue());
2054 if (r < 0)
2055 return r;
2056 }
2057
2058 if (!in_utc_timezone()) {
2059 r = table_add_cell(table, NULL, TABLE_STRING, "(in UTC):");
2060 if (r < 0)
2061 return r;
2062
2063 r = table_add_cell(table, NULL, TABLE_TIMESTAMP_UTC, &next);
2064 if (r < 0)
2065 return r;
2066 }
2067
2068 r = table_add_cell(table, NULL, TABLE_STRING, "From now:");
2069 if (r < 0)
2070 return r;
2071
2072 r = table_add_cell(table, NULL, TABLE_TIMESTAMP_RELATIVE, &next);
2073 if (r < 0)
2074 return r;
2075
2076 n = next;
2077 }
2078
2079 return table_print(table, NULL);
2080 }
2081
2082 static int test_calendar(int argc, char *argv[], void *userdata) {
2083 int ret = 0, r;
2084 char **p;
2085 usec_t n;
2086
2087 n = now(CLOCK_REALTIME); /* We want to use the same "base" for all expressions */
2088
2089 STRV_FOREACH(p, strv_skip(argv, 1)) {
2090 r = test_calendar_one(n, *p);
2091 if (ret == 0 && r < 0)
2092 ret = r;
2093
2094 if (*(p + 1))
2095 putchar('\n');
2096 }
2097
2098 return ret;
2099 }
2100
2101 static int service_watchdogs(int argc, char *argv[], void *userdata) {
2102 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2103 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
2104 int b, r;
2105
2106 assert(IN_SET(argc, 1, 2));
2107 assert(argv);
2108
2109 r = acquire_bus(&bus, NULL);
2110 if (r < 0)
2111 return log_error_errno(r, "Failed to create bus connection: %m");
2112
2113 /* get ServiceWatchdogs */
2114 if (argc == 1) {
2115 r = sd_bus_get_property_trivial(
2116 bus,
2117 "org.freedesktop.systemd1",
2118 "/org/freedesktop/systemd1",
2119 "org.freedesktop.systemd1.Manager",
2120 "ServiceWatchdogs",
2121 &error,
2122 'b',
2123 &b);
2124 if (r < 0)
2125 return log_error_errno(r, "Failed to get service-watchdog state: %s", bus_error_message(&error, r));
2126
2127 printf("%s\n", yes_no(!!b));
2128
2129 return 0;
2130 }
2131
2132 /* set ServiceWatchdogs */
2133 b = parse_boolean(argv[1]);
2134 if (b < 0) {
2135 log_error("Failed to parse service-watchdogs argument.");
2136 return -EINVAL;
2137 }
2138
2139 r = sd_bus_set_property(
2140 bus,
2141 "org.freedesktop.systemd1",
2142 "/org/freedesktop/systemd1",
2143 "org.freedesktop.systemd1.Manager",
2144 "ServiceWatchdogs",
2145 &error,
2146 "b",
2147 b);
2148 if (r < 0)
2149 return log_error_errno(r, "Failed to set service-watchdog state: %s", bus_error_message(&error, r));
2150
2151 return 0;
2152 }
2153
2154 static int do_condition(int argc, char *argv[], void *userdata) {
2155 return verify_conditions(strv_skip(argv, 1), arg_scope);
2156 }
2157
2158 static int do_verify(int argc, char *argv[], void *userdata) {
2159 return verify_units(strv_skip(argv, 1), arg_scope, arg_man, arg_generators);
2160 }
2161
2162 static int do_security(int argc, char *argv[], void *userdata) {
2163 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
2164 int r;
2165
2166 r = acquire_bus(&bus, NULL);
2167 if (r < 0)
2168 return log_error_errno(r, "Failed to create bus connection: %m");
2169
2170 (void) pager_open(arg_pager_flags);
2171
2172 return analyze_security(bus, strv_skip(argv, 1), 0);
2173 }
2174
2175 static int help(int argc, char *argv[], void *userdata) {
2176 _cleanup_free_ char *link = NULL;
2177 int r;
2178
2179 (void) pager_open(arg_pager_flags);
2180
2181 r = terminal_urlify_man("systemd-analyze", "1", &link);
2182 if (r < 0)
2183 return log_oom();
2184
2185 printf("%s [OPTIONS...] {COMMAND} ...\n\n"
2186 "Profile systemd, show unit dependencies, check unit files.\n\n"
2187 " -h --help Show this help\n"
2188 " --version Show package version\n"
2189 " --no-pager Do not pipe output into a pager\n"
2190 " --system Operate on system systemd instance\n"
2191 " --user Operate on user systemd instance\n"
2192 " --global Operate on global user configuration\n"
2193 " -H --host=[USER@]HOST Operate on remote host\n"
2194 " -M --machine=CONTAINER Operate on local container\n"
2195 " --order Show only order in the graph\n"
2196 " --require Show only requirement in the graph\n"
2197 " --from-pattern=GLOB Show only origins in the graph\n"
2198 " --to-pattern=GLOB Show only destinations in the graph\n"
2199 " --fuzz=SECONDS Also print services which finished SECONDS earlier\n"
2200 " than the latest in the branch\n"
2201 " --man[=BOOL] Do [not] check for existence of man pages\n"
2202 " --generators[=BOOL] Do [not] run unit generators (requires privileges)\n"
2203 " --iterations=N Show the specified number of iterations\n"
2204 "\nCommands:\n"
2205 " time Print time spent in the kernel\n"
2206 " blame Print list of running units ordered by time to init\n"
2207 " critical-chain [UNIT...] Print a tree of the time critical chain of units\n"
2208 " plot Output SVG graphic showing service initialization\n"
2209 " dot [UNIT...] Output dependency graph in man:dot(1) format\n"
2210 " log-level [LEVEL] Get/set logging threshold for manager\n"
2211 " log-target [TARGET] Get/set logging target for manager\n"
2212 " dump Output state serialization of service manager\n"
2213 " cat-config Show configuration file and drop-ins\n"
2214 " unit-files List files and symlinks for units\n"
2215 " unit-paths List load directories for units\n"
2216 " syscall-filter [NAME...] Print list of syscalls in seccomp filter\n"
2217 " condition CONDITION... Evaluate conditions and asserts\n"
2218 " verify FILE... Check unit files for correctness\n"
2219 " service-watchdogs [BOOL] Get/set service watchdog state\n"
2220 " calendar SPEC... Validate repetitive calendar time events\n"
2221 " timestamp TIMESTAMP... Validate a timestamp\n"
2222 " timespan SPAN... Validate a time span\n"
2223 " security [UNIT...] Analyze security of unit\n"
2224 "\nSee the %s for details.\n"
2225 , program_invocation_short_name
2226 , link
2227 );
2228
2229 /* When updating this list, including descriptions, apply changes to
2230 * shell-completion/bash/systemd-analyze and shell-completion/zsh/_systemd-analyze too. */
2231
2232 return 0;
2233 }
2234
2235 static int parse_argv(int argc, char *argv[]) {
2236 enum {
2237 ARG_VERSION = 0x100,
2238 ARG_ORDER,
2239 ARG_REQUIRE,
2240 ARG_ROOT,
2241 ARG_SYSTEM,
2242 ARG_USER,
2243 ARG_GLOBAL,
2244 ARG_DOT_FROM_PATTERN,
2245 ARG_DOT_TO_PATTERN,
2246 ARG_FUZZ,
2247 ARG_NO_PAGER,
2248 ARG_MAN,
2249 ARG_GENERATORS,
2250 ARG_ITERATIONS,
2251 };
2252
2253 static const struct option options[] = {
2254 { "help", no_argument, NULL, 'h' },
2255 { "version", no_argument, NULL, ARG_VERSION },
2256 { "order", no_argument, NULL, ARG_ORDER },
2257 { "require", no_argument, NULL, ARG_REQUIRE },
2258 { "root", required_argument, NULL, ARG_ROOT },
2259 { "system", no_argument, NULL, ARG_SYSTEM },
2260 { "user", no_argument, NULL, ARG_USER },
2261 { "global", no_argument, NULL, ARG_GLOBAL },
2262 { "from-pattern", required_argument, NULL, ARG_DOT_FROM_PATTERN },
2263 { "to-pattern", required_argument, NULL, ARG_DOT_TO_PATTERN },
2264 { "fuzz", required_argument, NULL, ARG_FUZZ },
2265 { "no-pager", no_argument, NULL, ARG_NO_PAGER },
2266 { "man", optional_argument, NULL, ARG_MAN },
2267 { "generators", optional_argument, NULL, ARG_GENERATORS },
2268 { "host", required_argument, NULL, 'H' },
2269 { "machine", required_argument, NULL, 'M' },
2270 { "iterations", required_argument, NULL, ARG_ITERATIONS },
2271 {}
2272 };
2273
2274 int r, c;
2275
2276 assert(argc >= 0);
2277 assert(argv);
2278
2279 while ((c = getopt_long(argc, argv, "hH:M:", options, NULL)) >= 0)
2280 switch (c) {
2281
2282 case 'h':
2283 return help(0, NULL, NULL);
2284
2285 case ARG_VERSION:
2286 return version();
2287
2288 case ARG_ROOT:
2289 arg_root = optarg;
2290 break;
2291
2292 case ARG_SYSTEM:
2293 arg_scope = UNIT_FILE_SYSTEM;
2294 break;
2295
2296 case ARG_USER:
2297 arg_scope = UNIT_FILE_USER;
2298 break;
2299
2300 case ARG_GLOBAL:
2301 arg_scope = UNIT_FILE_GLOBAL;
2302 break;
2303
2304 case ARG_ORDER:
2305 arg_dot = DEP_ORDER;
2306 break;
2307
2308 case ARG_REQUIRE:
2309 arg_dot = DEP_REQUIRE;
2310 break;
2311
2312 case ARG_DOT_FROM_PATTERN:
2313 if (strv_extend(&arg_dot_from_patterns, optarg) < 0)
2314 return log_oom();
2315
2316 break;
2317
2318 case ARG_DOT_TO_PATTERN:
2319 if (strv_extend(&arg_dot_to_patterns, optarg) < 0)
2320 return log_oom();
2321
2322 break;
2323
2324 case ARG_FUZZ:
2325 r = parse_sec(optarg, &arg_fuzz);
2326 if (r < 0)
2327 return r;
2328 break;
2329
2330 case ARG_NO_PAGER:
2331 arg_pager_flags |= PAGER_DISABLE;
2332 break;
2333
2334 case 'H':
2335 arg_transport = BUS_TRANSPORT_REMOTE;
2336 arg_host = optarg;
2337 break;
2338
2339 case 'M':
2340 arg_transport = BUS_TRANSPORT_MACHINE;
2341 arg_host = optarg;
2342 break;
2343
2344 case ARG_MAN:
2345 if (optarg) {
2346 r = parse_boolean(optarg);
2347 if (r < 0)
2348 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
2349 "Failed to parse --man= argument.");
2350
2351 arg_man = r;
2352 } else
2353 arg_man = true;
2354
2355 break;
2356
2357 case ARG_GENERATORS:
2358 if (optarg) {
2359 r = parse_boolean(optarg);
2360 if (r < 0)
2361 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
2362 "Failed to parse --generators= argument.");
2363
2364 arg_generators = r;
2365 } else
2366 arg_generators = true;
2367
2368 break;
2369
2370 case ARG_ITERATIONS:
2371 r = safe_atou(optarg, &arg_iterations);
2372 if (r < 0)
2373 return log_error_errno(r, "Failed to parse iterations: %s", optarg);
2374
2375 break;
2376
2377 case '?':
2378 return -EINVAL;
2379
2380 default:
2381 assert_not_reached("Unhandled option code.");
2382 }
2383
2384 if (arg_scope == UNIT_FILE_GLOBAL &&
2385 !STR_IN_SET(argv[optind] ?: "time", "dot", "unit-paths", "verify"))
2386 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
2387 "Option --global only makes sense with verbs dot, unit-paths, verify.");
2388
2389 if (streq_ptr(argv[optind], "cat-config") && arg_scope == UNIT_FILE_USER)
2390 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
2391 "Option --user is not supported for cat-config right now.");
2392
2393 if (arg_root && !streq_ptr(argv[optind], "cat-config"))
2394 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
2395 "Option --root is only supported for cat-config right now.");
2396
2397 return 1; /* work to do */
2398 }
2399
2400 static int run(int argc, char *argv[]) {
2401
2402 static const Verb verbs[] = {
2403 { "help", VERB_ANY, VERB_ANY, 0, help },
2404 { "time", VERB_ANY, 1, VERB_DEFAULT, analyze_time },
2405 { "blame", VERB_ANY, 1, 0, analyze_blame },
2406 { "critical-chain", VERB_ANY, VERB_ANY, 0, analyze_critical_chain },
2407 { "plot", VERB_ANY, 1, 0, analyze_plot },
2408 { "dot", VERB_ANY, VERB_ANY, 0, dot },
2409 { "log-level", VERB_ANY, 2, 0, get_or_set_log_level },
2410 { "log-target", VERB_ANY, 2, 0, get_or_set_log_target },
2411 /* The following four verbs are deprecated aliases */
2412 { "set-log-level", 2, 2, 0, set_log_level },
2413 { "get-log-level", VERB_ANY, 1, 0, get_log_level },
2414 { "set-log-target", 2, 2, 0, set_log_target },
2415 { "get-log-target", VERB_ANY, 1, 0, get_log_target },
2416
2417 { "dump", VERB_ANY, 1, 0, dump },
2418 { "cat-config", 2, VERB_ANY, 0, cat_config },
2419 { "unit-files", VERB_ANY, VERB_ANY, 0, do_unit_files },
2420 { "unit-paths", 1, 1, 0, dump_unit_paths },
2421 { "syscall-filter", VERB_ANY, VERB_ANY, 0, dump_syscall_filters },
2422 { "condition", 2, VERB_ANY, 0, do_condition },
2423 { "verify", 2, VERB_ANY, 0, do_verify },
2424 { "calendar", 2, VERB_ANY, 0, test_calendar },
2425 { "timestamp", 2, VERB_ANY, 0, test_timestamp },
2426 { "timespan", 2, VERB_ANY, 0, dump_timespan },
2427 { "service-watchdogs", VERB_ANY, 2, 0, service_watchdogs },
2428 { "security", VERB_ANY, VERB_ANY, 0, do_security },
2429 {}
2430 };
2431
2432 int r;
2433
2434 setlocale(LC_ALL, "");
2435 setlocale(LC_NUMERIC, "C"); /* we want to format/parse floats in C style */
2436
2437 log_show_color(true);
2438 log_parse_environment();
2439 log_open();
2440
2441 r = parse_argv(argc, argv);
2442 if (r <= 0)
2443 return r;
2444
2445 return dispatch_verb(argc, argv, verbs, NULL);
2446 }
2447
2448 DEFINE_MAIN_FUNCTION(run);
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