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Merge pull request #11021 from ssahani/isatap
[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
12 #include "sd-bus.h"
13
14 #include "alloc-util.h"
15 #include "analyze-security.h"
16 #include "analyze-verify.h"
17 #include "bus-error.h"
18 #include "bus-unit-util.h"
19 #include "bus-util.h"
20 #include "calendarspec.h"
21 #include "conf-files.h"
22 #include "copy.h"
23 #include "def.h"
24 #include "fd-util.h"
25 #include "fileio.h"
26 #include "glob-util.h"
27 #include "hashmap.h"
28 #include "locale-util.h"
29 #include "log.h"
30 #include "main-func.h"
31 #include "pager.h"
32 #include "parse-util.h"
33 #include "path-util.h"
34 #include "pretty-print.h"
35 #if HAVE_SECCOMP
36 # include "seccomp-util.h"
37 #endif
38 #include "special.h"
39 #include "strv.h"
40 #include "strxcpyx.h"
41 #include "time-util.h"
42 #include "terminal-util.h"
43 #include "unit-name.h"
44 #include "util.h"
45 #include "verbs.h"
46
47 #define SCALE_X (0.1 / 1000.0) /* pixels per us */
48 #define SCALE_Y (20.0)
49
50 #define svg(...) printf(__VA_ARGS__)
51
52 #define svg_bar(class, x1, x2, y) \
53 svg(" <rect class=\"%s\" x=\"%.03f\" y=\"%.03f\" width=\"%.03f\" height=\"%.03f\" />\n", \
54 (class), \
55 SCALE_X * (x1), SCALE_Y * (y), \
56 SCALE_X * ((x2) - (x1)), SCALE_Y - 1.0)
57
58 #define svg_text(b, x, y, format, ...) \
59 do { \
60 svg(" <text class=\"%s\" x=\"%.03f\" y=\"%.03f\">", (b) ? "left" : "right", SCALE_X * (x) + (b ? 5.0 : -5.0), SCALE_Y * (y) + 14.0); \
61 svg(format, ## __VA_ARGS__); \
62 svg("</text>\n"); \
63 } while (false)
64
65 static enum dot {
66 DEP_ALL,
67 DEP_ORDER,
68 DEP_REQUIRE
69 } arg_dot = DEP_ALL;
70 static char** arg_dot_from_patterns = NULL;
71 static char** arg_dot_to_patterns = NULL;
72 static usec_t arg_fuzz = 0;
73 static PagerFlags arg_pager_flags = 0;
74 static BusTransport arg_transport = BUS_TRANSPORT_LOCAL;
75 static const char *arg_host = NULL;
76 static UnitFileScope arg_scope = UNIT_FILE_SYSTEM;
77 static bool arg_man = true;
78 static bool arg_generators = false;
79 static const char *arg_root = NULL;
80
81 STATIC_DESTRUCTOR_REGISTER(arg_dot_from_patterns, strv_freep);
82 STATIC_DESTRUCTOR_REGISTER(arg_dot_to_patterns, strv_freep);
83
84 struct boot_times {
85 usec_t firmware_time;
86 usec_t loader_time;
87 usec_t kernel_time;
88 usec_t kernel_done_time;
89 usec_t initrd_time;
90 usec_t userspace_time;
91 usec_t finish_time;
92 usec_t security_start_time;
93 usec_t security_finish_time;
94 usec_t generators_start_time;
95 usec_t generators_finish_time;
96 usec_t unitsload_start_time;
97 usec_t unitsload_finish_time;
98 usec_t initrd_security_start_time;
99 usec_t initrd_security_finish_time;
100 usec_t initrd_generators_start_time;
101 usec_t initrd_generators_finish_time;
102 usec_t initrd_unitsload_start_time;
103 usec_t initrd_unitsload_finish_time;
104
105 /*
106 * If we're analyzing the user instance, all timestamps will be offset
107 * by its own start-up timestamp, which may be arbitrarily big.
108 * With "plot", this causes arbitrarily wide output SVG files which almost
109 * completely consist of empty space. Thus we cancel out this offset.
110 *
111 * This offset is subtracted from times above by acquire_boot_times(),
112 * but it still needs to be subtracted from unit-specific timestamps
113 * (so it is stored here for reference).
114 */
115 usec_t reverse_offset;
116 };
117
118 struct unit_times {
119 bool has_data;
120 char *name;
121 usec_t activating;
122 usec_t activated;
123 usec_t deactivated;
124 usec_t deactivating;
125 usec_t time;
126 };
127
128 struct host_info {
129 char *hostname;
130 char *kernel_name;
131 char *kernel_release;
132 char *kernel_version;
133 char *os_pretty_name;
134 char *virtualization;
135 char *architecture;
136 };
137
138 static int acquire_bus(sd_bus **bus, bool *use_full_bus) {
139 bool user = arg_scope != UNIT_FILE_SYSTEM;
140 int r;
141
142 if (use_full_bus && *use_full_bus) {
143 r = bus_connect_transport(arg_transport, arg_host, user, bus);
144 if (IN_SET(r, 0, -EHOSTDOWN))
145 return r;
146
147 *use_full_bus = false;
148 }
149
150 return bus_connect_transport_systemd(arg_transport, arg_host, user, bus);
151 }
152
153 static int bus_get_uint64_property(sd_bus *bus, const char *path, const char *interface, const char *property, uint64_t *val) {
154 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
155 int r;
156
157 assert(bus);
158 assert(path);
159 assert(interface);
160 assert(property);
161 assert(val);
162
163 r = sd_bus_get_property_trivial(
164 bus,
165 "org.freedesktop.systemd1",
166 path,
167 interface,
168 property,
169 &error,
170 't', val);
171
172 if (r < 0)
173 return log_error_errno(r, "Failed to parse reply: %s", bus_error_message(&error, r));
174
175 return 0;
176 }
177
178 static int bus_get_unit_property_strv(sd_bus *bus, const char *path, const char *property, char ***strv) {
179 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
180 int r;
181
182 assert(bus);
183 assert(path);
184 assert(property);
185 assert(strv);
186
187 r = sd_bus_get_property_strv(
188 bus,
189 "org.freedesktop.systemd1",
190 path,
191 "org.freedesktop.systemd1.Unit",
192 property,
193 &error,
194 strv);
195 if (r < 0)
196 return log_error_errno(r, "Failed to get unit property %s: %s", property, bus_error_message(&error, r));
197
198 return 0;
199 }
200
201 static int compare_unit_time(const struct unit_times *a, const struct unit_times *b) {
202 return CMP(b->time, a->time);
203 }
204
205 static int compare_unit_start(const struct unit_times *a, const struct unit_times *b) {
206 return CMP(a->activating, b->activating);
207 }
208
209 static void unit_times_free(struct unit_times *t) {
210 struct unit_times *p;
211
212 for (p = t; p->has_data; p++)
213 free(p->name);
214 free(t);
215 }
216
217 DEFINE_TRIVIAL_CLEANUP_FUNC(struct unit_times *, unit_times_free);
218
219 static void subtract_timestamp(usec_t *a, usec_t b) {
220 assert(a);
221
222 if (*a > 0) {
223 assert(*a >= b);
224 *a -= b;
225 }
226 }
227
228 static int acquire_boot_times(sd_bus *bus, struct boot_times **bt) {
229 static const struct bus_properties_map property_map[] = {
230 { "FirmwareTimestampMonotonic", "t", NULL, offsetof(struct boot_times, firmware_time) },
231 { "LoaderTimestampMonotonic", "t", NULL, offsetof(struct boot_times, loader_time) },
232 { "KernelTimestamp", "t", NULL, offsetof(struct boot_times, kernel_time) },
233 { "InitRDTimestampMonotonic", "t", NULL, offsetof(struct boot_times, initrd_time) },
234 { "UserspaceTimestampMonotonic", "t", NULL, offsetof(struct boot_times, userspace_time) },
235 { "FinishTimestampMonotonic", "t", NULL, offsetof(struct boot_times, finish_time) },
236 { "SecurityStartTimestampMonotonic", "t", NULL, offsetof(struct boot_times, security_start_time) },
237 { "SecurityFinishTimestampMonotonic", "t", NULL, offsetof(struct boot_times, security_finish_time) },
238 { "GeneratorsStartTimestampMonotonic", "t", NULL, offsetof(struct boot_times, generators_start_time) },
239 { "GeneratorsFinishTimestampMonotonic", "t", NULL, offsetof(struct boot_times, generators_finish_time) },
240 { "UnitsLoadStartTimestampMonotonic", "t", NULL, offsetof(struct boot_times, unitsload_start_time) },
241 { "UnitsLoadFinishTimestampMonotonic", "t", NULL, offsetof(struct boot_times, unitsload_finish_time) },
242 { "InitRDSecurityStartTimestampMonotonic", "t", NULL, offsetof(struct boot_times, initrd_security_start_time) },
243 { "InitRDSecurityFinishTimestampMonotonic", "t", NULL, offsetof(struct boot_times, initrd_security_finish_time) },
244 { "InitRDGeneratorsStartTimestampMonotonic", "t", NULL, offsetof(struct boot_times, initrd_generators_start_time) },
245 { "InitRDGeneratorsFinishTimestampMonotonic", "t", NULL, offsetof(struct boot_times, initrd_generators_finish_time) },
246 { "InitRDUnitsLoadStartTimestampMonotonic", "t", NULL, offsetof(struct boot_times, initrd_unitsload_start_time) },
247 { "InitRDUnitsLoadFinishTimestampMonotonic", "t", NULL, offsetof(struct boot_times, initrd_unitsload_finish_time) },
248 {},
249 };
250 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
251 static struct boot_times times;
252 static bool cached = false;
253 int r;
254
255 if (cached)
256 goto finish;
257
258 assert_cc(sizeof(usec_t) == sizeof(uint64_t));
259
260 r = bus_map_all_properties(
261 bus,
262 "org.freedesktop.systemd1",
263 "/org/freedesktop/systemd1",
264 property_map,
265 BUS_MAP_STRDUP,
266 &error,
267 NULL,
268 &times);
269 if (r < 0)
270 return log_error_errno(r, "Failed to get timestamp properties: %s", bus_error_message(&error, r));
271
272 if (times.finish_time <= 0) {
273 log_error("Bootup is not yet finished (org.freedesktop.systemd1.Manager.FinishTimestampMonotonic=%"PRIu64").\n"
274 "Please try again later.\n"
275 "Hint: Use 'systemctl%s list-jobs' to see active jobs",
276 times.finish_time,
277 arg_scope == UNIT_FILE_SYSTEM ? "" : " --user");
278 return -EINPROGRESS;
279 }
280
281 if (arg_scope == UNIT_FILE_SYSTEM && times.security_start_time > 0) {
282 /* security_start_time is set when systemd is not running under container environment. */
283 if (times.initrd_time > 0)
284 times.kernel_done_time = times.initrd_time;
285 else
286 times.kernel_done_time = times.userspace_time;
287 } else {
288 /*
289 * User-instance-specific or container-system-specific timestamps processing
290 * (see comment to reverse_offset in struct boot_times).
291 */
292 times.reverse_offset = times.userspace_time;
293
294 times.firmware_time = times.loader_time = times.kernel_time = times.initrd_time = times.userspace_time =
295 times.security_start_time = times.security_finish_time = 0;
296
297 subtract_timestamp(&times.finish_time, times.reverse_offset);
298
299 subtract_timestamp(&times.generators_start_time, times.reverse_offset);
300 subtract_timestamp(&times.generators_finish_time, times.reverse_offset);
301
302 subtract_timestamp(&times.unitsload_start_time, times.reverse_offset);
303 subtract_timestamp(&times.unitsload_finish_time, times.reverse_offset);
304 }
305
306 cached = true;
307
308 finish:
309 *bt = &times;
310 return 0;
311 }
312
313 static void free_host_info(struct host_info *hi) {
314
315 if (!hi)
316 return;
317
318 free(hi->hostname);
319 free(hi->kernel_name);
320 free(hi->kernel_release);
321 free(hi->kernel_version);
322 free(hi->os_pretty_name);
323 free(hi->virtualization);
324 free(hi->architecture);
325 free(hi);
326 }
327
328 DEFINE_TRIVIAL_CLEANUP_FUNC(struct host_info*, free_host_info);
329
330 static int acquire_time_data(sd_bus *bus, struct unit_times **out) {
331 static const struct bus_properties_map property_map[] = {
332 { "InactiveExitTimestampMonotonic", "t", NULL, offsetof(struct unit_times, activating) },
333 { "ActiveEnterTimestampMonotonic", "t", NULL, offsetof(struct unit_times, activated) },
334 { "ActiveExitTimestampMonotonic", "t", NULL, offsetof(struct unit_times, deactivating) },
335 { "InactiveEnterTimestampMonotonic", "t", NULL, offsetof(struct unit_times, deactivated) },
336 {},
337 };
338 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
339 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
340 _cleanup_(unit_times_freep) struct unit_times *unit_times = NULL;
341 struct boot_times *boot_times = NULL;
342 size_t allocated = 0, c = 0;
343 UnitInfo u;
344 int r;
345
346 r = acquire_boot_times(bus, &boot_times);
347 if (r < 0)
348 return r;
349
350 r = sd_bus_call_method(
351 bus,
352 "org.freedesktop.systemd1",
353 "/org/freedesktop/systemd1",
354 "org.freedesktop.systemd1.Manager",
355 "ListUnits",
356 &error, &reply,
357 NULL);
358 if (r < 0)
359 return log_error_errno(r, "Failed to list units: %s", bus_error_message(&error, r));
360
361 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssssssouso)");
362 if (r < 0)
363 return bus_log_parse_error(r);
364
365 while ((r = bus_parse_unit_info(reply, &u)) > 0) {
366 struct unit_times *t;
367
368 if (!GREEDY_REALLOC(unit_times, allocated, c+2))
369 return log_oom();
370
371 unit_times[c+1].has_data = false;
372 t = &unit_times[c];
373 t->name = NULL;
374
375 assert_cc(sizeof(usec_t) == sizeof(uint64_t));
376
377 r = bus_map_all_properties(
378 bus,
379 "org.freedesktop.systemd1",
380 u.unit_path,
381 property_map,
382 BUS_MAP_STRDUP,
383 &error,
384 NULL,
385 t);
386 if (r < 0)
387 return log_error_errno(r, "Failed to get timestamp properties of unit %s: %s", u.id, bus_error_message(&error, r));
388
389 subtract_timestamp(&t->activating, boot_times->reverse_offset);
390 subtract_timestamp(&t->activated, boot_times->reverse_offset);
391 subtract_timestamp(&t->deactivating, boot_times->reverse_offset);
392 subtract_timestamp(&t->deactivated, boot_times->reverse_offset);
393
394 if (t->activated >= t->activating)
395 t->time = t->activated - t->activating;
396 else if (t->deactivated >= t->activating)
397 t->time = t->deactivated - t->activating;
398 else
399 t->time = 0;
400
401 if (t->activating == 0)
402 continue;
403
404 t->name = strdup(u.id);
405 if (!t->name)
406 return log_oom();
407
408 t->has_data = true;
409 c++;
410 }
411 if (r < 0)
412 return bus_log_parse_error(r);
413
414 *out = TAKE_PTR(unit_times);
415 return c;
416 }
417
418 static int acquire_host_info(sd_bus *bus, struct host_info **hi) {
419 static const struct bus_properties_map hostname_map[] = {
420 { "Hostname", "s", NULL, offsetof(struct host_info, hostname) },
421 { "KernelName", "s", NULL, offsetof(struct host_info, kernel_name) },
422 { "KernelRelease", "s", NULL, offsetof(struct host_info, kernel_release) },
423 { "KernelVersion", "s", NULL, offsetof(struct host_info, kernel_version) },
424 { "OperatingSystemPrettyName", "s", NULL, offsetof(struct host_info, os_pretty_name) },
425 {}
426 };
427
428 static const struct bus_properties_map manager_map[] = {
429 { "Virtualization", "s", NULL, offsetof(struct host_info, virtualization) },
430 { "Architecture", "s", NULL, offsetof(struct host_info, architecture) },
431 {}
432 };
433
434 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
435 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *system_bus = NULL;
436 _cleanup_(free_host_infop) struct host_info *host;
437 int r;
438
439 host = new0(struct host_info, 1);
440 if (!host)
441 return log_oom();
442
443 if (arg_scope != UNIT_FILE_SYSTEM) {
444 r = bus_connect_transport(arg_transport, arg_host, false, &system_bus);
445 if (r < 0) {
446 log_debug_errno(r, "Failed to connect to system bus, ignoring: %m");
447 goto manager;
448 }
449 }
450
451 r = bus_map_all_properties(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", bus_error_message(&error, r));
461 sd_bus_error_free(&error);
462 }
463
464 manager:
465 r = bus_map_all_properties(bus,
466 "org.freedesktop.systemd1",
467 "/org/freedesktop/systemd1",
468 manager_map,
469 BUS_MAP_STRDUP,
470 &error,
471 NULL,
472 host);
473 if (r < 0)
474 return log_error_errno(r, "Failed to get host information from systemd: %s", bus_error_message(&error, r));
475
476 *hi = TAKE_PTR(host);
477
478 return 0;
479 }
480
481 static int pretty_boot_time(sd_bus *bus, char **_buf) {
482 char ts[FORMAT_TIMESPAN_MAX];
483 struct boot_times *t;
484 static char buf[4096];
485 size_t size;
486 char *ptr;
487 int r;
488 usec_t activated_time = USEC_INFINITY;
489 _cleanup_free_ char* path = NULL, *unit_id = NULL;
490 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
491
492 r = acquire_boot_times(bus, &t);
493 if (r < 0)
494 return r;
495
496 path = unit_dbus_path_from_name(SPECIAL_DEFAULT_TARGET);
497 if (!path)
498 return log_oom();
499
500 r = sd_bus_get_property_string(
501 bus,
502 "org.freedesktop.systemd1",
503 path,
504 "org.freedesktop.systemd1.Unit",
505 "Id",
506 &error,
507 &unit_id);
508 if (r < 0) {
509 log_error_errno(r, "default.target doesn't seem to exist: %s", bus_error_message(&error, r));
510 unit_id = NULL;
511 }
512
513 r = bus_get_uint64_property(bus, path,
514 "org.freedesktop.systemd1.Unit",
515 "ActiveEnterTimestampMonotonic",
516 &activated_time);
517 if (r < 0) {
518 log_info_errno(r, "Could not get time to reach default.target, ignoring: %m");
519 activated_time = USEC_INFINITY;
520 }
521
522 ptr = buf;
523 size = sizeof(buf);
524
525 size = strpcpyf(&ptr, size, "Startup finished in ");
526 if (t->firmware_time > 0)
527 size = strpcpyf(&ptr, size, "%s (firmware) + ", format_timespan(ts, sizeof(ts), t->firmware_time - t->loader_time, USEC_PER_MSEC));
528 if (t->loader_time > 0)
529 size = strpcpyf(&ptr, size, "%s (loader) + ", format_timespan(ts, sizeof(ts), t->loader_time, USEC_PER_MSEC));
530 if (t->kernel_done_time > 0)
531 size = strpcpyf(&ptr, size, "%s (kernel) + ", format_timespan(ts, sizeof(ts), t->kernel_done_time, USEC_PER_MSEC));
532 if (t->initrd_time > 0)
533 size = strpcpyf(&ptr, size, "%s (initrd) + ", format_timespan(ts, sizeof(ts), t->userspace_time - t->initrd_time, USEC_PER_MSEC));
534
535 size = strpcpyf(&ptr, size, "%s (userspace) ", format_timespan(ts, sizeof(ts), t->finish_time - t->userspace_time, USEC_PER_MSEC));
536 if (t->kernel_done_time > 0)
537 strpcpyf(&ptr, size, "= %s ", format_timespan(ts, sizeof(ts), t->firmware_time + t->finish_time, USEC_PER_MSEC));
538
539 if (unit_id && activated_time > 0 && activated_time != USEC_INFINITY) {
540 usec_t base = t->userspace_time > 0 ? t->userspace_time : t->reverse_offset;
541
542 size = strpcpyf(&ptr, size, "\n%s reached after %s in userspace", unit_id,
543 format_timespan(ts, sizeof(ts), activated_time - base, USEC_PER_MSEC));
544 } else if (unit_id && activated_time == 0)
545 size = strpcpyf(&ptr, size, "\n%s was never reached", unit_id);
546 else if (unit_id && activated_time == USEC_INFINITY)
547 size = strpcpyf(&ptr, size, "\nCould not get time to reach %s.", unit_id);
548 else if (!unit_id)
549 size = strpcpyf(&ptr, size, "\ncould not find default.target");
550
551 ptr = strdup(buf);
552 if (!ptr)
553 return log_oom();
554
555 *_buf = ptr;
556 return 0;
557 }
558
559 static void svg_graph_box(double height, double begin, double end) {
560 long long i;
561
562 /* outside box, fill */
563 svg("<rect class=\"box\" x=\"0\" y=\"0\" width=\"%.03f\" height=\"%.03f\" />\n",
564 SCALE_X * (end - begin), SCALE_Y * height);
565
566 for (i = ((long long) (begin / 100000)) * 100000; i <= end; i+=100000) {
567 /* lines for each second */
568 if (i % 5000000 == 0)
569 svg(" <line class=\"sec5\" x1=\"%.03f\" y1=\"0\" x2=\"%.03f\" y2=\"%.03f\" />\n"
570 " <text class=\"sec\" x=\"%.03f\" y=\"%.03f\" >%.01fs</text>\n",
571 SCALE_X * i, SCALE_X * i, SCALE_Y * height, SCALE_X * i, -5.0, 0.000001 * i);
572 else if (i % 1000000 == 0)
573 svg(" <line class=\"sec1\" x1=\"%.03f\" y1=\"0\" x2=\"%.03f\" y2=\"%.03f\" />\n"
574 " <text class=\"sec\" x=\"%.03f\" y=\"%.03f\" >%.01fs</text>\n",
575 SCALE_X * i, SCALE_X * i, SCALE_Y * height, SCALE_X * i, -5.0, 0.000001 * i);
576 else
577 svg(" <line class=\"sec01\" x1=\"%.03f\" y1=\"0\" x2=\"%.03f\" y2=\"%.03f\" />\n",
578 SCALE_X * i, SCALE_X * i, SCALE_Y * height);
579 }
580 }
581
582 static int plot_unit_times(struct unit_times *u, double width, int y) {
583 char ts[FORMAT_TIMESPAN_MAX];
584 bool b;
585
586 if (!u->name)
587 return 0;
588
589 svg_bar("activating", u->activating, u->activated, y);
590 svg_bar("active", u->activated, u->deactivating, y);
591 svg_bar("deactivating", u->deactivating, u->deactivated, y);
592
593 /* place the text on the left if we have passed the half of the svg width */
594 b = u->activating * SCALE_X < width / 2;
595 if (u->time)
596 svg_text(b, u->activating, y, "%s (%s)",
597 u->name, format_timespan(ts, sizeof(ts), u->time, USEC_PER_MSEC));
598 else
599 svg_text(b, u->activating, y, "%s", u->name);
600
601 return 1;
602 }
603
604 static int analyze_plot(int argc, char *argv[], void *userdata) {
605 _cleanup_(free_host_infop) struct host_info *host = NULL;
606 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
607 _cleanup_(unit_times_freep) struct unit_times *times = NULL;
608 _cleanup_free_ char *pretty_times = NULL;
609 bool use_full_bus = arg_scope == UNIT_FILE_SYSTEM;
610 struct boot_times *boot;
611 struct unit_times *u;
612 int n, m = 1, y = 0, r;
613 double width;
614
615 r = acquire_bus(&bus, &use_full_bus);
616 if (r < 0)
617 return log_error_errno(r, "Failed to create bus connection: %m");
618
619 n = acquire_boot_times(bus, &boot);
620 if (n < 0)
621 return n;
622
623 n = pretty_boot_time(bus, &pretty_times);
624 if (n < 0)
625 return n;
626
627 if (use_full_bus || arg_scope != UNIT_FILE_SYSTEM) {
628 n = acquire_host_info(bus, &host);
629 if (n < 0)
630 return n;
631 }
632
633 n = acquire_time_data(bus, &times);
634 if (n <= 0)
635 return n;
636
637 typesafe_qsort(times, n, compare_unit_start);
638
639 width = SCALE_X * (boot->firmware_time + boot->finish_time);
640 if (width < 800.0)
641 width = 800.0;
642
643 if (boot->firmware_time > boot->loader_time)
644 m++;
645 if (boot->loader_time > 0) {
646 m++;
647 if (width < 1000.0)
648 width = 1000.0;
649 }
650 if (boot->initrd_time > 0)
651 m++;
652 if (boot->kernel_done_time > 0)
653 m++;
654
655 for (u = times; u->has_data; u++) {
656 double text_start, text_width;
657
658 if (u->activating > boot->finish_time) {
659 u->name = mfree(u->name);
660 continue;
661 }
662
663 /* If the text cannot fit on the left side then
664 * increase the svg width so it fits on the right.
665 * TODO: calculate the text width more accurately */
666 text_width = 8.0 * strlen(u->name);
667 text_start = (boot->firmware_time + u->activating) * SCALE_X;
668 if (text_width > text_start && text_width + text_start > width)
669 width = text_width + text_start;
670
671 if (u->deactivated > u->activating &&
672 u->deactivated <= boot->finish_time &&
673 u->activated == 0 && u->deactivating == 0)
674 u->activated = u->deactivating = u->deactivated;
675 if (u->activated < u->activating || u->activated > boot->finish_time)
676 u->activated = boot->finish_time;
677 if (u->deactivating < u->activated || u->deactivating > boot->finish_time)
678 u->deactivating = boot->finish_time;
679 if (u->deactivated < u->deactivating || u->deactivated > boot->finish_time)
680 u->deactivated = boot->finish_time;
681 m++;
682 }
683
684 svg("<?xml version=\"1.0\" standalone=\"no\"?>\n"
685 "<!DOCTYPE svg PUBLIC \"-//W3C//DTD SVG 1.1//EN\" "
686 "\"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd\">\n");
687
688 svg("<svg width=\"%.0fpx\" height=\"%.0fpx\" version=\"1.1\" "
689 "xmlns=\"http://www.w3.org/2000/svg\">\n\n",
690 80.0 + width, 150.0 + (m * SCALE_Y) +
691 5 * SCALE_Y /* legend */);
692
693 /* write some basic info as a comment, including some help */
694 svg("<!-- This file is a systemd-analyze SVG file. It is best rendered in a -->\n"
695 "<!-- browser such as Chrome, Chromium or Firefox. Other applications -->\n"
696 "<!-- that render these files properly but much slower are ImageMagick, -->\n"
697 "<!-- gimp, inkscape, etc. To display the files on your system, just -->\n"
698 "<!-- point your browser to this file. -->\n\n"
699 "<!-- This plot was generated by systemd-analyze version %-16.16s -->\n\n", PACKAGE_VERSION);
700
701 /* style sheet */
702 svg("<defs>\n <style type=\"text/css\">\n <![CDATA[\n"
703 " rect { stroke-width: 1; stroke-opacity: 0; }\n"
704 " rect.background { fill: rgb(255,255,255); }\n"
705 " rect.activating { fill: rgb(255,0,0); fill-opacity: 0.7; }\n"
706 " rect.active { fill: rgb(200,150,150); fill-opacity: 0.7; }\n"
707 " rect.deactivating { fill: rgb(150,100,100); fill-opacity: 0.7; }\n"
708 " rect.kernel { fill: rgb(150,150,150); fill-opacity: 0.7; }\n"
709 " rect.initrd { fill: rgb(150,150,150); fill-opacity: 0.7; }\n"
710 " rect.firmware { fill: rgb(150,150,150); fill-opacity: 0.7; }\n"
711 " rect.loader { fill: rgb(150,150,150); fill-opacity: 0.7; }\n"
712 " rect.userspace { fill: rgb(150,150,150); fill-opacity: 0.7; }\n"
713 " rect.security { fill: rgb(144,238,144); fill-opacity: 0.7; }\n"
714 " rect.generators { fill: rgb(102,204,255); fill-opacity: 0.7; }\n"
715 " rect.unitsload { fill: rgb( 82,184,255); fill-opacity: 0.7; }\n"
716 " rect.box { fill: rgb(240,240,240); stroke: rgb(192,192,192); }\n"
717 " line { stroke: rgb(64,64,64); stroke-width: 1; }\n"
718 "// line.sec1 { }\n"
719 " line.sec5 { stroke-width: 2; }\n"
720 " line.sec01 { stroke: rgb(224,224,224); stroke-width: 1; }\n"
721 " text { font-family: Verdana, Helvetica; font-size: 14px; }\n"
722 " text.left { font-family: Verdana, Helvetica; font-size: 14px; text-anchor: start; }\n"
723 " text.right { font-family: Verdana, Helvetica; font-size: 14px; text-anchor: end; }\n"
724 " text.sec { font-size: 10px; }\n"
725 " ]]>\n </style>\n</defs>\n\n");
726
727 svg("<rect class=\"background\" width=\"100%%\" height=\"100%%\" />\n");
728 svg("<text x=\"20\" y=\"50\">%s</text>", pretty_times);
729 if (host)
730 svg("<text x=\"20\" y=\"30\">%s %s (%s %s %s) %s %s</text>",
731 isempty(host->os_pretty_name) ? "Linux" : host->os_pretty_name,
732 strempty(host->hostname),
733 strempty(host->kernel_name),
734 strempty(host->kernel_release),
735 strempty(host->kernel_version),
736 strempty(host->architecture),
737 strempty(host->virtualization));
738
739 svg("<g transform=\"translate(%.3f,100)\">\n", 20.0 + (SCALE_X * boot->firmware_time));
740 svg_graph_box(m, -(double) boot->firmware_time, boot->finish_time);
741
742 if (boot->firmware_time > 0) {
743 svg_bar("firmware", -(double) boot->firmware_time, -(double) boot->loader_time, y);
744 svg_text(true, -(double) boot->firmware_time, y, "firmware");
745 y++;
746 }
747 if (boot->loader_time > 0) {
748 svg_bar("loader", -(double) boot->loader_time, 0, y);
749 svg_text(true, -(double) boot->loader_time, y, "loader");
750 y++;
751 }
752 if (boot->kernel_done_time > 0) {
753 svg_bar("kernel", 0, boot->kernel_done_time, y);
754 svg_text(true, 0, y, "kernel");
755 y++;
756 }
757 if (boot->initrd_time > 0) {
758 svg_bar("initrd", boot->initrd_time, boot->userspace_time, y);
759 if (boot->initrd_security_start_time < boot->initrd_security_finish_time)
760 svg_bar("security", boot->initrd_security_start_time, boot->initrd_security_finish_time, y);
761 if (boot->initrd_generators_start_time < boot->initrd_generators_finish_time)
762 svg_bar("generators", boot->initrd_generators_start_time, boot->initrd_generators_finish_time, y);
763 if (boot->initrd_unitsload_start_time < boot->initrd_unitsload_finish_time)
764 svg_bar("unitsload", boot->initrd_unitsload_start_time, boot->initrd_unitsload_finish_time, y);
765 svg_text(true, boot->initrd_time, y, "initrd");
766 y++;
767 }
768
769 for (u = times; u->has_data; u++) {
770 if (u->activating >= boot->userspace_time)
771 break;
772
773 y += plot_unit_times(u, width, y);
774 }
775
776 svg_bar("active", boot->userspace_time, boot->finish_time, y);
777 if (boot->security_start_time > 0)
778 svg_bar("security", boot->security_start_time, boot->security_finish_time, y);
779 svg_bar("generators", boot->generators_start_time, boot->generators_finish_time, y);
780 svg_bar("unitsload", boot->unitsload_start_time, boot->unitsload_finish_time, y);
781 svg_text(true, boot->userspace_time, y, "systemd");
782 y++;
783
784 for (; u->has_data; u++)
785 y += plot_unit_times(u, width, y);
786
787 svg("</g>\n");
788
789 /* Legend */
790 svg("<g transform=\"translate(20,100)\">\n");
791 y++;
792 svg_bar("activating", 0, 300000, y);
793 svg_text(true, 400000, y, "Activating");
794 y++;
795 svg_bar("active", 0, 300000, y);
796 svg_text(true, 400000, y, "Active");
797 y++;
798 svg_bar("deactivating", 0, 300000, y);
799 svg_text(true, 400000, y, "Deactivating");
800 y++;
801 if (boot->security_start_time > 0) {
802 svg_bar("security", 0, 300000, y);
803 svg_text(true, 400000, y, "Setting up security module");
804 y++;
805 }
806 svg_bar("generators", 0, 300000, y);
807 svg_text(true, 400000, y, "Generators");
808 y++;
809 svg_bar("unitsload", 0, 300000, y);
810 svg_text(true, 400000, y, "Loading unit files");
811 y++;
812
813 svg("</g>\n\n");
814
815 svg("</svg>\n");
816
817 return 0;
818 }
819
820 static int list_dependencies_print(const char *name, unsigned level, unsigned branches,
821 bool last, struct unit_times *times, struct boot_times *boot) {
822 unsigned i;
823 char ts[FORMAT_TIMESPAN_MAX], ts2[FORMAT_TIMESPAN_MAX];
824
825 for (i = level; i != 0; i--)
826 printf("%s", special_glyph(branches & (1 << (i-1)) ? TREE_VERTICAL : TREE_SPACE));
827
828 printf("%s", special_glyph(last ? TREE_RIGHT : TREE_BRANCH));
829
830 if (times) {
831 if (times->time > 0)
832 printf("%s%s @%s +%s%s", ansi_highlight_red(), name,
833 format_timespan(ts, sizeof(ts), times->activating - boot->userspace_time, USEC_PER_MSEC),
834 format_timespan(ts2, sizeof(ts2), times->time, USEC_PER_MSEC), ansi_normal());
835 else if (times->activated > boot->userspace_time)
836 printf("%s @%s", name, format_timespan(ts, sizeof(ts), times->activated - boot->userspace_time, USEC_PER_MSEC));
837 else
838 printf("%s", name);
839 } else
840 printf("%s", name);
841 printf("\n");
842
843 return 0;
844 }
845
846 static int list_dependencies_get_dependencies(sd_bus *bus, const char *name, char ***deps) {
847 _cleanup_free_ char *path = NULL;
848
849 assert(bus);
850 assert(name);
851 assert(deps);
852
853 path = unit_dbus_path_from_name(name);
854 if (!path)
855 return -ENOMEM;
856
857 return bus_get_unit_property_strv(bus, path, "After", deps);
858 }
859
860 static Hashmap *unit_times_hashmap;
861
862 static int list_dependencies_compare(char * const *a, char * const *b) {
863 usec_t usa = 0, usb = 0;
864 struct unit_times *times;
865
866 times = hashmap_get(unit_times_hashmap, *a);
867 if (times)
868 usa = times->activated;
869 times = hashmap_get(unit_times_hashmap, *b);
870 if (times)
871 usb = times->activated;
872
873 return CMP(usb, usa);
874 }
875
876 static bool times_in_range(const struct unit_times *times, const struct boot_times *boot) {
877 return times &&
878 times->activated > 0 && times->activated <= boot->finish_time;
879 }
880
881 static int list_dependencies_one(sd_bus *bus, const char *name, unsigned level, char ***units,
882 unsigned branches) {
883 _cleanup_strv_free_ char **deps = NULL;
884 char **c;
885 int r = 0;
886 usec_t service_longest = 0;
887 int to_print = 0;
888 struct unit_times *times;
889 struct boot_times *boot;
890
891 if (strv_extend(units, name))
892 return log_oom();
893
894 r = list_dependencies_get_dependencies(bus, name, &deps);
895 if (r < 0)
896 return r;
897
898 typesafe_qsort(deps, strv_length(deps), list_dependencies_compare);
899
900 r = acquire_boot_times(bus, &boot);
901 if (r < 0)
902 return r;
903
904 STRV_FOREACH(c, deps) {
905 times = hashmap_get(unit_times_hashmap, *c);
906 if (times_in_range(times, boot) &&
907 times->activated >= service_longest)
908 service_longest = times->activated;
909 }
910
911 if (service_longest == 0)
912 return r;
913
914 STRV_FOREACH(c, deps) {
915 times = hashmap_get(unit_times_hashmap, *c);
916 if (times_in_range(times, boot) &&
917 service_longest - times->activated <= arg_fuzz)
918 to_print++;
919 }
920
921 if (!to_print)
922 return r;
923
924 STRV_FOREACH(c, deps) {
925 times = hashmap_get(unit_times_hashmap, *c);
926 if (!times_in_range(times, boot) ||
927 service_longest - times->activated > arg_fuzz)
928 continue;
929
930 to_print--;
931
932 r = list_dependencies_print(*c, level, branches, to_print == 0, times, boot);
933 if (r < 0)
934 return r;
935
936 if (strv_contains(*units, *c)) {
937 r = list_dependencies_print("...", level + 1, (branches << 1) | (to_print ? 1 : 0),
938 true, NULL, boot);
939 if (r < 0)
940 return r;
941 continue;
942 }
943
944 r = list_dependencies_one(bus, *c, level + 1, units,
945 (branches << 1) | (to_print ? 1 : 0));
946 if (r < 0)
947 return r;
948
949 if (to_print == 0)
950 break;
951 }
952 return 0;
953 }
954
955 static int list_dependencies(sd_bus *bus, const char *name) {
956 _cleanup_strv_free_ char **units = NULL;
957 char ts[FORMAT_TIMESPAN_MAX];
958 struct unit_times *times;
959 int r;
960 const char *id;
961 _cleanup_free_ char *path = NULL;
962 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
963 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
964 struct boot_times *boot;
965
966 assert(bus);
967
968 path = unit_dbus_path_from_name(name);
969 if (!path)
970 return -ENOMEM;
971
972 r = sd_bus_get_property(
973 bus,
974 "org.freedesktop.systemd1",
975 path,
976 "org.freedesktop.systemd1.Unit",
977 "Id",
978 &error,
979 &reply,
980 "s");
981 if (r < 0)
982 return log_error_errno(r, "Failed to get ID: %s", bus_error_message(&error, r));
983
984 r = sd_bus_message_read(reply, "s", &id);
985 if (r < 0)
986 return bus_log_parse_error(r);
987
988 times = hashmap_get(unit_times_hashmap, id);
989
990 r = acquire_boot_times(bus, &boot);
991 if (r < 0)
992 return r;
993
994 if (times) {
995 if (times->time)
996 printf("%s%s +%s%s\n", ansi_highlight_red(), id,
997 format_timespan(ts, sizeof(ts), times->time, USEC_PER_MSEC), ansi_normal());
998 else if (times->activated > boot->userspace_time)
999 printf("%s @%s\n", id, format_timespan(ts, sizeof(ts), times->activated - boot->userspace_time, USEC_PER_MSEC));
1000 else
1001 printf("%s\n", id);
1002 }
1003
1004 return list_dependencies_one(bus, name, 0, &units, 0);
1005 }
1006
1007 static int analyze_critical_chain(int argc, char *argv[], void *userdata) {
1008 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
1009 _cleanup_(unit_times_freep) struct unit_times *times = NULL;
1010 struct unit_times *u;
1011 Hashmap *h;
1012 int n, r;
1013
1014 r = acquire_bus(&bus, NULL);
1015 if (r < 0)
1016 return log_error_errno(r, "Failed to create bus connection: %m");
1017
1018 n = acquire_time_data(bus, &times);
1019 if (n <= 0)
1020 return n;
1021
1022 h = hashmap_new(&string_hash_ops);
1023 if (!h)
1024 return log_oom();
1025
1026 for (u = times; u->has_data; u++) {
1027 r = hashmap_put(h, u->name, u);
1028 if (r < 0)
1029 return log_error_errno(r, "Failed to add entry to hashmap: %m");
1030 }
1031 unit_times_hashmap = h;
1032
1033 (void) pager_open(arg_pager_flags);
1034
1035 puts("The time after the unit is active or started is printed after the \"@\" character.\n"
1036 "The time the unit takes to start is printed after the \"+\" character.\n");
1037
1038 if (argc > 1) {
1039 char **name;
1040 STRV_FOREACH(name, strv_skip(argv, 1))
1041 list_dependencies(bus, *name);
1042 } else
1043 list_dependencies(bus, SPECIAL_DEFAULT_TARGET);
1044
1045 h = hashmap_free(h);
1046 return 0;
1047 }
1048
1049 static int analyze_blame(int argc, char *argv[], void *userdata) {
1050 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
1051 _cleanup_(unit_times_freep) struct unit_times *times = NULL;
1052 struct unit_times *u;
1053 int n, r;
1054
1055 r = acquire_bus(&bus, NULL);
1056 if (r < 0)
1057 return log_error_errno(r, "Failed to create bus connection: %m");
1058
1059 n = acquire_time_data(bus, &times);
1060 if (n <= 0)
1061 return n;
1062
1063 typesafe_qsort(times, n, compare_unit_time);
1064
1065 (void) pager_open(arg_pager_flags);
1066
1067 for (u = times; u->has_data; u++) {
1068 char ts[FORMAT_TIMESPAN_MAX];
1069
1070 if (u->time > 0)
1071 printf("%16s %s\n", format_timespan(ts, sizeof(ts), u->time, USEC_PER_MSEC), u->name);
1072 }
1073
1074 return 0;
1075 }
1076
1077 static int analyze_time(int argc, char *argv[], void *userdata) {
1078 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
1079 _cleanup_free_ char *buf = NULL;
1080 int r;
1081
1082 r = acquire_bus(&bus, NULL);
1083 if (r < 0)
1084 return log_error_errno(r, "Failed to create bus connection: %m");
1085
1086 r = pretty_boot_time(bus, &buf);
1087 if (r < 0)
1088 return r;
1089
1090 puts(buf);
1091 return 0;
1092 }
1093
1094 static int graph_one_property(sd_bus *bus, const UnitInfo *u, const char* prop, const char *color, char* patterns[], char* from_patterns[], char* to_patterns[]) {
1095 _cleanup_strv_free_ char **units = NULL;
1096 char **unit;
1097 int r;
1098 bool match_patterns;
1099
1100 assert(u);
1101 assert(prop);
1102 assert(color);
1103
1104 match_patterns = strv_fnmatch(patterns, u->id, 0);
1105
1106 if (!strv_isempty(from_patterns) &&
1107 !match_patterns &&
1108 !strv_fnmatch(from_patterns, u->id, 0))
1109 return 0;
1110
1111 r = bus_get_unit_property_strv(bus, u->unit_path, prop, &units);
1112 if (r < 0)
1113 return r;
1114
1115 STRV_FOREACH(unit, units) {
1116 bool match_patterns2;
1117
1118 match_patterns2 = strv_fnmatch(patterns, *unit, 0);
1119
1120 if (!strv_isempty(to_patterns) &&
1121 !match_patterns2 &&
1122 !strv_fnmatch(to_patterns, *unit, 0))
1123 continue;
1124
1125 if (!strv_isempty(patterns) && !match_patterns && !match_patterns2)
1126 continue;
1127
1128 printf("\t\"%s\"->\"%s\" [color=\"%s\"];\n", u->id, *unit, color);
1129 }
1130
1131 return 0;
1132 }
1133
1134 static int graph_one(sd_bus *bus, const UnitInfo *u, char *patterns[], char *from_patterns[], char *to_patterns[]) {
1135 int r;
1136
1137 assert(bus);
1138 assert(u);
1139
1140 if (IN_SET(arg_dot, DEP_ORDER, DEP_ALL)) {
1141 r = graph_one_property(bus, u, "After", "green", patterns, from_patterns, to_patterns);
1142 if (r < 0)
1143 return r;
1144 }
1145
1146 if (IN_SET(arg_dot, DEP_REQUIRE, DEP_ALL)) {
1147 r = graph_one_property(bus, u, "Requires", "black", patterns, from_patterns, to_patterns);
1148 if (r < 0)
1149 return r;
1150 r = graph_one_property(bus, u, "Requisite", "darkblue", patterns, from_patterns, to_patterns);
1151 if (r < 0)
1152 return r;
1153 r = graph_one_property(bus, u, "Wants", "grey66", patterns, from_patterns, to_patterns);
1154 if (r < 0)
1155 return r;
1156 r = graph_one_property(bus, u, "Conflicts", "red", patterns, from_patterns, to_patterns);
1157 if (r < 0)
1158 return r;
1159 }
1160
1161 return 0;
1162 }
1163
1164 static int expand_patterns(sd_bus *bus, char **patterns, char ***ret) {
1165 _cleanup_strv_free_ char **expanded_patterns = NULL;
1166 char **pattern;
1167 int r;
1168
1169 STRV_FOREACH(pattern, patterns) {
1170 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1171 _cleanup_free_ char *unit = NULL, *unit_id = NULL;
1172
1173 if (strv_extend(&expanded_patterns, *pattern) < 0)
1174 return log_oom();
1175
1176 if (string_is_glob(*pattern))
1177 continue;
1178
1179 unit = unit_dbus_path_from_name(*pattern);
1180 if (!unit)
1181 return log_oom();
1182
1183 r = sd_bus_get_property_string(
1184 bus,
1185 "org.freedesktop.systemd1",
1186 unit,
1187 "org.freedesktop.systemd1.Unit",
1188 "Id",
1189 &error,
1190 &unit_id);
1191 if (r < 0)
1192 return log_error_errno(r, "Failed to get ID: %s", bus_error_message(&error, r));
1193
1194 if (!streq(*pattern, unit_id)) {
1195 if (strv_extend(&expanded_patterns, unit_id) < 0)
1196 return log_oom();
1197 }
1198 }
1199
1200 *ret = expanded_patterns;
1201 expanded_patterns = NULL; /* do not free */
1202
1203 return 0;
1204 }
1205
1206 static int dot(int argc, char *argv[], void *userdata) {
1207 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
1208 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1209 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
1210 _cleanup_strv_free_ char **expanded_patterns = NULL;
1211 _cleanup_strv_free_ char **expanded_from_patterns = NULL;
1212 _cleanup_strv_free_ char **expanded_to_patterns = NULL;
1213 int r;
1214 UnitInfo u;
1215
1216 r = acquire_bus(&bus, NULL);
1217 if (r < 0)
1218 return log_error_errno(r, "Failed to create bus connection: %m");
1219
1220 r = expand_patterns(bus, strv_skip(argv, 1), &expanded_patterns);
1221 if (r < 0)
1222 return r;
1223
1224 r = expand_patterns(bus, arg_dot_from_patterns, &expanded_from_patterns);
1225 if (r < 0)
1226 return r;
1227
1228 r = expand_patterns(bus, arg_dot_to_patterns, &expanded_to_patterns);
1229 if (r < 0)
1230 return r;
1231
1232 r = sd_bus_call_method(
1233 bus,
1234 "org.freedesktop.systemd1",
1235 "/org/freedesktop/systemd1",
1236 "org.freedesktop.systemd1.Manager",
1237 "ListUnits",
1238 &error,
1239 &reply,
1240 "");
1241 if (r < 0)
1242 log_error_errno(r, "Failed to list units: %s", bus_error_message(&error, r));
1243
1244 r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssssssouso)");
1245 if (r < 0)
1246 return bus_log_parse_error(r);
1247
1248 printf("digraph systemd {\n");
1249
1250 while ((r = bus_parse_unit_info(reply, &u)) > 0) {
1251
1252 r = graph_one(bus, &u, expanded_patterns, expanded_from_patterns, expanded_to_patterns);
1253 if (r < 0)
1254 return r;
1255 }
1256 if (r < 0)
1257 return bus_log_parse_error(r);
1258
1259 printf("}\n");
1260
1261 log_info(" Color legend: black = Requires\n"
1262 " dark blue = Requisite\n"
1263 " dark grey = Wants\n"
1264 " red = Conflicts\n"
1265 " green = After\n");
1266
1267 if (on_tty())
1268 log_notice("-- You probably want to process this output with graphviz' dot tool.\n"
1269 "-- Try a shell pipeline like 'systemd-analyze dot | dot -Tsvg > systemd.svg'!\n");
1270
1271 return 0;
1272 }
1273
1274 static int dump_fallback(sd_bus *bus) {
1275 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1276 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
1277 const char *text = NULL;
1278 int r;
1279
1280 assert(bus);
1281
1282 r = sd_bus_call_method(
1283 bus,
1284 "org.freedesktop.systemd1",
1285 "/org/freedesktop/systemd1",
1286 "org.freedesktop.systemd1.Manager",
1287 "Dump",
1288 &error,
1289 &reply,
1290 NULL);
1291 if (r < 0)
1292 return log_error_errno(r, "Failed to issue method call Dump: %s", bus_error_message(&error, r));
1293
1294 r = sd_bus_message_read(reply, "s", &text);
1295 if (r < 0)
1296 return bus_log_parse_error(r);
1297
1298 fputs(text, stdout);
1299 return 0;
1300 }
1301
1302 static int dump(int argc, char *argv[], void *userdata) {
1303 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1304 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
1305 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
1306 int fd = -1;
1307 int r;
1308
1309 r = acquire_bus(&bus, NULL);
1310 if (r < 0)
1311 return log_error_errno(r, "Failed to create bus connection: %m");
1312
1313 (void) pager_open(arg_pager_flags);
1314
1315 if (!sd_bus_can_send(bus, SD_BUS_TYPE_UNIX_FD))
1316 return dump_fallback(bus);
1317
1318 r = sd_bus_call_method(
1319 bus,
1320 "org.freedesktop.systemd1",
1321 "/org/freedesktop/systemd1",
1322 "org.freedesktop.systemd1.Manager",
1323 "DumpByFileDescriptor",
1324 &error,
1325 &reply,
1326 NULL);
1327 if (r < 0) {
1328 /* fall back to Dump if DumpByFileDescriptor is not supported */
1329 if (!IN_SET(r, -EACCES, -EBADR))
1330 return log_error_errno(r, "Failed to issue method call DumpByFileDescriptor: %s", bus_error_message(&error, r));
1331
1332 return dump_fallback(bus);
1333 }
1334
1335 r = sd_bus_message_read(reply, "h", &fd);
1336 if (r < 0)
1337 return bus_log_parse_error(r);
1338
1339 fflush(stdout);
1340 return copy_bytes(fd, STDOUT_FILENO, (uint64_t) -1, 0);
1341 }
1342
1343 static int cat_config(int argc, char *argv[], void *userdata) {
1344 char **arg, **list;
1345 int r;
1346
1347 (void) pager_open(arg_pager_flags);
1348
1349 list = strv_skip(argv, 1);
1350 STRV_FOREACH(arg, list) {
1351 const char *t = NULL;
1352
1353 if (arg != list)
1354 print_separator();
1355
1356 if (path_is_absolute(*arg)) {
1357 const char *dir;
1358
1359 NULSTR_FOREACH(dir, CONF_PATHS_NULSTR("")) {
1360 t = path_startswith(*arg, dir);
1361 if (t)
1362 break;
1363 }
1364
1365 if (!t)
1366 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
1367 "Path %s does not start with any known prefix.",
1368 *arg);
1369 } else
1370 t = *arg;
1371
1372 r = conf_files_cat(arg_root, t);
1373 if (r < 0)
1374 return r;
1375 }
1376
1377 return 0;
1378 }
1379
1380 static int set_log_level(int argc, char *argv[], void *userdata) {
1381 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1382 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
1383 int r;
1384
1385 assert(argc == 2);
1386 assert(argv);
1387
1388 r = acquire_bus(&bus, NULL);
1389 if (r < 0)
1390 return log_error_errno(r, "Failed to create bus connection: %m");
1391
1392 r = sd_bus_set_property(
1393 bus,
1394 "org.freedesktop.systemd1",
1395 "/org/freedesktop/systemd1",
1396 "org.freedesktop.systemd1.Manager",
1397 "LogLevel",
1398 &error,
1399 "s",
1400 argv[1]);
1401 if (r < 0)
1402 return log_error_errno(r, "Failed to issue method call: %s", bus_error_message(&error, r));
1403
1404 return 0;
1405 }
1406
1407 static int get_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 _cleanup_free_ char *level = NULL;
1411 int r;
1412
1413 r = acquire_bus(&bus, NULL);
1414 if (r < 0)
1415 return log_error_errno(r, "Failed to create bus connection: %m");
1416
1417 r = sd_bus_get_property_string(
1418 bus,
1419 "org.freedesktop.systemd1",
1420 "/org/freedesktop/systemd1",
1421 "org.freedesktop.systemd1.Manager",
1422 "LogLevel",
1423 &error,
1424 &level);
1425 if (r < 0)
1426 return log_error_errno(r, "Failed to get log level: %s", bus_error_message(&error, r));
1427
1428 puts(level);
1429 return 0;
1430 }
1431
1432 static int get_or_set_log_level(int argc, char *argv[], void *userdata) {
1433 return (argc == 1) ? get_log_level(argc, argv, userdata) : set_log_level(argc, argv, userdata);
1434 }
1435
1436 static int set_log_target(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 "LogTarget",
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_target(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 *target = 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 "LogTarget",
1479 &error,
1480 &target);
1481 if (r < 0)
1482 return log_error_errno(r, "Failed to get log target: %s", bus_error_message(&error, r));
1483
1484 puts(target);
1485 return 0;
1486 }
1487
1488 static int get_or_set_log_target(int argc, char *argv[], void *userdata) {
1489 return (argc == 1) ? get_log_target(argc, argv, userdata) : set_log_target(argc, argv, userdata);
1490 }
1491
1492 static int dump_unit_paths(int argc, char *argv[], void *userdata) {
1493 _cleanup_(lookup_paths_free) LookupPaths paths = {};
1494 int r;
1495 char **p;
1496
1497 r = lookup_paths_init(&paths, arg_scope, 0, NULL);
1498 if (r < 0)
1499 return log_error_errno(r, "lookup_paths_init() failed: %m");
1500
1501 STRV_FOREACH(p, paths.search_path)
1502 puts(*p);
1503
1504 return 0;
1505 }
1506
1507 #if HAVE_SECCOMP
1508
1509 static int load_kernel_syscalls(Set **ret) {
1510 _cleanup_(set_free_freep) Set *syscalls = NULL;
1511 _cleanup_fclose_ FILE *f = NULL;
1512 int r;
1513
1514 /* Let's read the available system calls from the list of available tracing events. Slightly dirty, but good
1515 * enough for analysis purposes. */
1516
1517 f = fopen("/sys/kernel/debug/tracing/available_events", "re");
1518 if (!f)
1519 return log_full_errno(IN_SET(errno, EPERM, EACCES, ENOENT) ? LOG_DEBUG : LOG_WARNING, errno, "Can't read open /sys/kernel/debug/tracing/available_events: %m");
1520
1521 for (;;) {
1522 _cleanup_free_ char *line = NULL;
1523 const char *e;
1524
1525 r = read_line(f, LONG_LINE_MAX, &line);
1526 if (r < 0)
1527 return log_error_errno(r, "Failed to read system call list: %m");
1528 if (r == 0)
1529 break;
1530
1531 e = startswith(line, "syscalls:sys_enter_");
1532 if (!e)
1533 continue;
1534
1535 /* These are named differently inside the kernel than their external name for historical reasons. Let's hide them here. */
1536 if (STR_IN_SET(e, "newuname", "newfstat", "newstat", "newlstat", "sysctl"))
1537 continue;
1538
1539 r = set_ensure_allocated(&syscalls, &string_hash_ops);
1540 if (r < 0)
1541 return log_oom();
1542
1543 r = set_put_strdup(syscalls, e);
1544 if (r < 0)
1545 return log_error_errno(r, "Failed to add system call to list: %m");
1546 }
1547
1548 *ret = TAKE_PTR(syscalls);
1549 return 0;
1550 }
1551
1552 static void kernel_syscalls_remove(Set *s, const SyscallFilterSet *set) {
1553 const char *syscall;
1554
1555 NULSTR_FOREACH(syscall, set->value) {
1556 if (syscall[0] == '@')
1557 continue;
1558
1559 (void) set_remove(s, syscall);
1560 }
1561 }
1562
1563 static void dump_syscall_filter(const SyscallFilterSet *set) {
1564 const char *syscall;
1565
1566 printf("%s%s%s\n"
1567 " # %s\n",
1568 ansi_highlight(),
1569 set->name,
1570 ansi_normal(),
1571 set->help);
1572
1573 NULSTR_FOREACH(syscall, set->value)
1574 printf(" %s%s%s\n",
1575 syscall[0] == '@' ? ansi_underline() : "",
1576 syscall,
1577 ansi_normal());
1578 }
1579
1580 static int dump_syscall_filters(int argc, char *argv[], void *userdata) {
1581 bool first = true;
1582
1583 (void) pager_open(arg_pager_flags);
1584
1585 if (strv_isempty(strv_skip(argv, 1))) {
1586 _cleanup_(set_free_freep) Set *kernel = NULL;
1587 int i, k;
1588
1589 k = load_kernel_syscalls(&kernel);
1590
1591 for (i = 0; i < _SYSCALL_FILTER_SET_MAX; i++) {
1592 const SyscallFilterSet *set = syscall_filter_sets + i;
1593 if (!first)
1594 puts("");
1595
1596 dump_syscall_filter(set);
1597 kernel_syscalls_remove(kernel, set);
1598 first = false;
1599 }
1600
1601 if (k < 0) {
1602 fputc('\n', stdout);
1603 fflush(stdout);
1604 log_notice_errno(k, "# Not showing unlisted system calls, couldn't retrieve kernel system call list: %m");
1605 } else if (!set_isempty(kernel)) {
1606 const char *syscall;
1607 Iterator j;
1608
1609 printf("\n"
1610 "# %sUnlisted System Calls%s (supported by the local kernel, but not included in any of the groups listed above):\n",
1611 ansi_highlight(), ansi_normal());
1612
1613 SET_FOREACH(syscall, kernel, j)
1614 printf("# %s\n", syscall);
1615 }
1616 } else {
1617 char **name;
1618
1619 STRV_FOREACH(name, strv_skip(argv, 1)) {
1620 const SyscallFilterSet *set;
1621
1622 if (!first)
1623 puts("");
1624
1625 set = syscall_filter_set_find(*name);
1626 if (!set) {
1627 /* make sure the error appears below normal output */
1628 fflush(stdout);
1629
1630 log_error("Filter set \"%s\" not found.", *name);
1631 return -ENOENT;
1632 }
1633
1634 dump_syscall_filter(set);
1635 first = false;
1636 }
1637 }
1638
1639 return 0;
1640 }
1641
1642 #else
1643 static int dump_syscall_filters(int argc, char *argv[], void *userdata) {
1644 return log_error_errno(SYNTHETIC_ERRNO(EOPNOTSUPP),
1645 "Not compiled with syscall filters, sorry.");
1646 }
1647 #endif
1648
1649 static int dump_timespan(int argc, char *argv[], void *userdata) {
1650 char **input_timespan;
1651
1652 STRV_FOREACH(input_timespan, strv_skip(argv, 1)) {
1653 int r;
1654 usec_t usec_magnitude = 1, output_usecs;
1655 char ft_buf[FORMAT_TIMESPAN_MAX];
1656
1657 r = parse_time(*input_timespan, &output_usecs, USEC_PER_SEC);
1658 if (r < 0)
1659 return log_error_errno(r, "Failed to parse time span '%s': %m", *input_timespan);
1660
1661 printf("Original: %s\n", *input_timespan);
1662 printf(" %ss: %" PRIu64 "\n", special_glyph(MU), output_usecs);
1663 printf(" Human: %s\n", format_timespan(ft_buf, sizeof(ft_buf), output_usecs, usec_magnitude));
1664
1665 if (input_timespan[1])
1666 putchar('\n');
1667 }
1668
1669 return EXIT_SUCCESS;
1670 }
1671
1672 static int test_calendar(int argc, char *argv[], void *userdata) {
1673 int ret = 0, r;
1674 char **p;
1675 usec_t n;
1676
1677 n = now(CLOCK_REALTIME);
1678
1679 STRV_FOREACH(p, strv_skip(argv, 1)) {
1680 _cleanup_(calendar_spec_freep) CalendarSpec *spec = NULL;
1681 _cleanup_free_ char *t = NULL;
1682 usec_t next;
1683
1684 r = calendar_spec_from_string(*p, &spec);
1685 if (r < 0) {
1686 ret = log_error_errno(r, "Failed to parse calendar specification '%s': %m", *p);
1687 continue;
1688 }
1689
1690 r = calendar_spec_normalize(spec);
1691 if (r < 0) {
1692 ret = log_error_errno(r, "Failed to normalize calendar specification '%s': %m", *p);
1693 continue;
1694 }
1695
1696 r = calendar_spec_to_string(spec, &t);
1697 if (r < 0) {
1698 ret = log_error_errno(r, "Failed to format calendar specification '%s': %m", *p);
1699 continue;
1700 }
1701
1702 if (!streq(t, *p))
1703 printf(" Original form: %s\n", *p);
1704
1705 printf("Normalized form: %s\n", t);
1706
1707 r = calendar_spec_next_usec(spec, n, &next);
1708 if (r == -ENOENT)
1709 printf(" Next elapse: never\n");
1710 else if (r < 0) {
1711 ret = log_error_errno(r, "Failed to determine next elapse for '%s': %m", *p);
1712 continue;
1713 } else {
1714 char buffer[CONST_MAX(FORMAT_TIMESTAMP_MAX, FORMAT_TIMESTAMP_RELATIVE_MAX)];
1715
1716 printf(" Next elapse: %s\n", format_timestamp(buffer, sizeof(buffer), next));
1717
1718 if (!in_utc_timezone())
1719 printf(" (in UTC): %s\n", format_timestamp_utc(buffer, sizeof(buffer), next));
1720
1721 printf(" From now: %s\n", format_timestamp_relative(buffer, sizeof(buffer), next));
1722 }
1723
1724 if (*(p+1))
1725 putchar('\n');
1726 }
1727
1728 return ret;
1729 }
1730
1731 static int service_watchdogs(int argc, char *argv[], void *userdata) {
1732 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1733 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
1734 int b, r;
1735
1736 assert(IN_SET(argc, 1, 2));
1737 assert(argv);
1738
1739 r = acquire_bus(&bus, NULL);
1740 if (r < 0)
1741 return log_error_errno(r, "Failed to create bus connection: %m");
1742
1743 /* get ServiceWatchdogs */
1744 if (argc == 1) {
1745 r = sd_bus_get_property_trivial(
1746 bus,
1747 "org.freedesktop.systemd1",
1748 "/org/freedesktop/systemd1",
1749 "org.freedesktop.systemd1.Manager",
1750 "ServiceWatchdogs",
1751 &error,
1752 'b',
1753 &b);
1754 if (r < 0)
1755 return log_error_errno(r, "Failed to get service-watchdog state: %s", bus_error_message(&error, r));
1756
1757 printf("%s\n", yes_no(!!b));
1758
1759 return 0;
1760 }
1761
1762 /* set ServiceWatchdogs */
1763 b = parse_boolean(argv[1]);
1764 if (b < 0) {
1765 log_error("Failed to parse service-watchdogs argument.");
1766 return -EINVAL;
1767 }
1768
1769 r = sd_bus_set_property(
1770 bus,
1771 "org.freedesktop.systemd1",
1772 "/org/freedesktop/systemd1",
1773 "org.freedesktop.systemd1.Manager",
1774 "ServiceWatchdogs",
1775 &error,
1776 "b",
1777 b);
1778 if (r < 0)
1779 return log_error_errno(r, "Failed to set service-watchdog state: %s", bus_error_message(&error, r));
1780
1781 return 0;
1782 }
1783
1784 static int do_verify(int argc, char *argv[], void *userdata) {
1785 return verify_units(strv_skip(argv, 1), arg_scope, arg_man, arg_generators);
1786 }
1787
1788 static int do_security(int argc, char *argv[], void *userdata) {
1789 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
1790 int r;
1791
1792 r = acquire_bus(&bus, NULL);
1793 if (r < 0)
1794 return log_error_errno(r, "Failed to create bus connection: %m");
1795
1796 (void) pager_open(arg_pager_flags);
1797
1798 return analyze_security(bus, strv_skip(argv, 1), 0);
1799 }
1800
1801 static int help(int argc, char *argv[], void *userdata) {
1802 _cleanup_free_ char *link = NULL;
1803 int r;
1804
1805 (void) pager_open(arg_pager_flags);
1806
1807 r = terminal_urlify_man("systemd-analyze", "1", &link);
1808 if (r < 0)
1809 return log_oom();
1810
1811 printf("%s [OPTIONS...] {COMMAND} ...\n\n"
1812 "Profile systemd, show unit dependencies, check unit files.\n\n"
1813 " -h --help Show this help\n"
1814 " --version Show package version\n"
1815 " --no-pager Do not pipe output into a pager\n"
1816 " --system Operate on system systemd instance\n"
1817 " --user Operate on user systemd instance\n"
1818 " --global Operate on global user configuration\n"
1819 " -H --host=[USER@]HOST Operate on remote host\n"
1820 " -M --machine=CONTAINER Operate on local container\n"
1821 " --order Show only order in the graph\n"
1822 " --require Show only requirement in the graph\n"
1823 " --from-pattern=GLOB Show only origins in the graph\n"
1824 " --to-pattern=GLOB Show only destinations in the graph\n"
1825 " --fuzz=SECONDS Also print also services which finished SECONDS\n"
1826 " earlier than the latest in the branch\n"
1827 " --man[=BOOL] Do [not] check for existence of man pages\n"
1828 " --generators[=BOOL] Do [not] run unit generators (requires privileges)\n"
1829 "\nCommands:\n"
1830 " time Print time spent in the kernel\n"
1831 " blame Print list of running units ordered by time to init\n"
1832 " critical-chain [UNIT...] Print a tree of the time critical chain of units\n"
1833 " plot Output SVG graphic showing service initialization\n"
1834 " dot [UNIT...] Output dependency graph in man:dot(1) format\n"
1835 " log-level [LEVEL] Get/set logging threshold for manager\n"
1836 " log-target [TARGET] Get/set logging target for manager\n"
1837 " dump Output state serialization of service manager\n"
1838 " cat-config Show configuration file and drop-ins\n"
1839 " unit-paths List load directories for units\n"
1840 " syscall-filter [NAME...] Print list of syscalls in seccomp filter\n"
1841 " verify FILE... Check unit files for correctness\n"
1842 " calendar SPEC... Validate repetitive calendar time events\n"
1843 " service-watchdogs [BOOL] Get/set service watchdog state\n"
1844 " timespan SPAN... Validate a time span\n"
1845 " security [UNIT...] Analyze security of unit\n"
1846 "\nSee the %s for details.\n"
1847 , program_invocation_short_name
1848 , link
1849 );
1850
1851 /* When updating this list, including descriptions, apply changes to shell-completion/bash/systemd-analyze and
1852 * shell-completion/zsh/_systemd-analyze too. */
1853
1854 return 0;
1855 }
1856
1857 static int parse_argv(int argc, char *argv[]) {
1858 enum {
1859 ARG_VERSION = 0x100,
1860 ARG_ORDER,
1861 ARG_REQUIRE,
1862 ARG_ROOT,
1863 ARG_SYSTEM,
1864 ARG_USER,
1865 ARG_GLOBAL,
1866 ARG_DOT_FROM_PATTERN,
1867 ARG_DOT_TO_PATTERN,
1868 ARG_FUZZ,
1869 ARG_NO_PAGER,
1870 ARG_MAN,
1871 ARG_GENERATORS,
1872 };
1873
1874 static const struct option options[] = {
1875 { "help", no_argument, NULL, 'h' },
1876 { "version", no_argument, NULL, ARG_VERSION },
1877 { "order", no_argument, NULL, ARG_ORDER },
1878 { "require", no_argument, NULL, ARG_REQUIRE },
1879 { "root", required_argument, NULL, ARG_ROOT },
1880 { "system", no_argument, NULL, ARG_SYSTEM },
1881 { "user", no_argument, NULL, ARG_USER },
1882 { "global", no_argument, NULL, ARG_GLOBAL },
1883 { "from-pattern", required_argument, NULL, ARG_DOT_FROM_PATTERN },
1884 { "to-pattern", required_argument, NULL, ARG_DOT_TO_PATTERN },
1885 { "fuzz", required_argument, NULL, ARG_FUZZ },
1886 { "no-pager", no_argument, NULL, ARG_NO_PAGER },
1887 { "man", optional_argument, NULL, ARG_MAN },
1888 { "generators", optional_argument, NULL, ARG_GENERATORS },
1889 { "host", required_argument, NULL, 'H' },
1890 { "machine", required_argument, NULL, 'M' },
1891 {}
1892 };
1893
1894 int r, c;
1895
1896 assert(argc >= 0);
1897 assert(argv);
1898
1899 while ((c = getopt_long(argc, argv, "hH:M:", options, NULL)) >= 0)
1900 switch (c) {
1901
1902 case 'h':
1903 return help(0, NULL, NULL);
1904
1905 case ARG_VERSION:
1906 return version();
1907
1908 case ARG_ROOT:
1909 arg_root = optarg;
1910 break;
1911
1912 case ARG_SYSTEM:
1913 arg_scope = UNIT_FILE_SYSTEM;
1914 break;
1915
1916 case ARG_USER:
1917 arg_scope = UNIT_FILE_USER;
1918 break;
1919
1920 case ARG_GLOBAL:
1921 arg_scope = UNIT_FILE_GLOBAL;
1922 break;
1923
1924 case ARG_ORDER:
1925 arg_dot = DEP_ORDER;
1926 break;
1927
1928 case ARG_REQUIRE:
1929 arg_dot = DEP_REQUIRE;
1930 break;
1931
1932 case ARG_DOT_FROM_PATTERN:
1933 if (strv_extend(&arg_dot_from_patterns, optarg) < 0)
1934 return log_oom();
1935
1936 break;
1937
1938 case ARG_DOT_TO_PATTERN:
1939 if (strv_extend(&arg_dot_to_patterns, optarg) < 0)
1940 return log_oom();
1941
1942 break;
1943
1944 case ARG_FUZZ:
1945 r = parse_sec(optarg, &arg_fuzz);
1946 if (r < 0)
1947 return r;
1948 break;
1949
1950 case ARG_NO_PAGER:
1951 arg_pager_flags |= PAGER_DISABLE;
1952 break;
1953
1954 case 'H':
1955 arg_transport = BUS_TRANSPORT_REMOTE;
1956 arg_host = optarg;
1957 break;
1958
1959 case 'M':
1960 arg_transport = BUS_TRANSPORT_MACHINE;
1961 arg_host = optarg;
1962 break;
1963
1964 case ARG_MAN:
1965 if (optarg) {
1966 r = parse_boolean(optarg);
1967 if (r < 0)
1968 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
1969 "Failed to parse --man= argument.");
1970
1971 arg_man = r;
1972 } else
1973 arg_man = true;
1974
1975 break;
1976
1977 case ARG_GENERATORS:
1978 if (optarg) {
1979 r = parse_boolean(optarg);
1980 if (r < 0)
1981 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
1982 "Failed to parse --generators= argument.");
1983
1984 arg_generators = r;
1985 } else
1986 arg_generators = true;
1987
1988 break;
1989
1990 case '?':
1991 return -EINVAL;
1992
1993 default:
1994 assert_not_reached("Unhandled option code.");
1995 }
1996
1997 if (arg_scope == UNIT_FILE_GLOBAL &&
1998 !STR_IN_SET(argv[optind] ?: "time", "dot", "unit-paths", "verify"))
1999 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
2000 "Option --global only makes sense with verbs dot, unit-paths, verify.");
2001
2002 if (arg_root && !streq_ptr(argv[optind], "cat-config"))
2003 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
2004 "Option --root is only supported for cat-config right now.");
2005
2006 return 1; /* work to do */
2007 }
2008
2009 static int run(int argc, char *argv[]) {
2010
2011 static const Verb verbs[] = {
2012 { "help", VERB_ANY, VERB_ANY, 0, help },
2013 { "time", VERB_ANY, 1, VERB_DEFAULT, analyze_time },
2014 { "blame", VERB_ANY, 1, 0, analyze_blame },
2015 { "critical-chain", VERB_ANY, VERB_ANY, 0, analyze_critical_chain },
2016 { "plot", VERB_ANY, 1, 0, analyze_plot },
2017 { "dot", VERB_ANY, VERB_ANY, 0, dot },
2018 { "log-level", VERB_ANY, 2, 0, get_or_set_log_level },
2019 { "log-target", VERB_ANY, 2, 0, get_or_set_log_target },
2020 /* The following four verbs are deprecated aliases */
2021 { "set-log-level", 2, 2, 0, set_log_level },
2022 { "get-log-level", VERB_ANY, 1, 0, get_log_level },
2023 { "set-log-target", 2, 2, 0, set_log_target },
2024 { "get-log-target", VERB_ANY, 1, 0, get_log_target },
2025 { "dump", VERB_ANY, 1, 0, dump },
2026 { "cat-config", 2, VERB_ANY, 0, cat_config },
2027 { "unit-paths", 1, 1, 0, dump_unit_paths },
2028 { "syscall-filter", VERB_ANY, VERB_ANY, 0, dump_syscall_filters },
2029 { "verify", 2, VERB_ANY, 0, do_verify },
2030 { "calendar", 2, VERB_ANY, 0, test_calendar },
2031 { "service-watchdogs", VERB_ANY, 2, 0, service_watchdogs },
2032 { "timespan", 2, VERB_ANY, 0, dump_timespan },
2033 { "security", VERB_ANY, VERB_ANY, 0, do_security },
2034 {}
2035 };
2036
2037 int r;
2038
2039 setlocale(LC_ALL, "");
2040 setlocale(LC_NUMERIC, "C"); /* we want to format/parse floats in C style */
2041
2042 log_parse_environment();
2043 log_open();
2044
2045 r = parse_argv(argc, argv);
2046 if (r <= 0)
2047 return r;
2048
2049 return dispatch_verb(argc, argv, verbs, NULL);
2050 }
2051
2052 DEFINE_MAIN_FUNCTION(run);
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