/* SPDX-License-Identifier: LGPL-2.1-or-later */ #include "analyze.h" #include "analyze-time-data.h" #include "bus-error.h" #include "bus-locator.h" #include "bus-map-properties.h" #include "bus-unit-util.h" #include "special.h" static void subtract_timestamp(usec_t *a, usec_t b) { assert(a); if (*a > 0) { assert(*a >= b); *a -= b; } } int acquire_boot_times(sd_bus *bus, BootTimes **ret) { static const struct bus_properties_map property_map[] = { { "FirmwareTimestampMonotonic", "t", NULL, offsetof(BootTimes, firmware_time) }, { "LoaderTimestampMonotonic", "t", NULL, offsetof(BootTimes, loader_time) }, { "KernelTimestamp", "t", NULL, offsetof(BootTimes, kernel_time) }, { "InitRDTimestampMonotonic", "t", NULL, offsetof(BootTimes, initrd_time) }, { "UserspaceTimestampMonotonic", "t", NULL, offsetof(BootTimes, userspace_time) }, { "FinishTimestampMonotonic", "t", NULL, offsetof(BootTimes, finish_time) }, { "SecurityStartTimestampMonotonic", "t", NULL, offsetof(BootTimes, security_start_time) }, { "SecurityFinishTimestampMonotonic", "t", NULL, offsetof(BootTimes, security_finish_time) }, { "GeneratorsStartTimestampMonotonic", "t", NULL, offsetof(BootTimes, generators_start_time) }, { "GeneratorsFinishTimestampMonotonic", "t", NULL, offsetof(BootTimes, generators_finish_time) }, { "UnitsLoadStartTimestampMonotonic", "t", NULL, offsetof(BootTimes, unitsload_start_time) }, { "UnitsLoadFinishTimestampMonotonic", "t", NULL, offsetof(BootTimes, unitsload_finish_time) }, { "InitRDSecurityStartTimestampMonotonic", "t", NULL, offsetof(BootTimes, initrd_security_start_time) }, { "InitRDSecurityFinishTimestampMonotonic", "t", NULL, offsetof(BootTimes, initrd_security_finish_time) }, { "InitRDGeneratorsStartTimestampMonotonic", "t", NULL, offsetof(BootTimes, initrd_generators_start_time) }, { "InitRDGeneratorsFinishTimestampMonotonic", "t", NULL, offsetof(BootTimes, initrd_generators_finish_time) }, { "InitRDUnitsLoadStartTimestampMonotonic", "t", NULL, offsetof(BootTimes, initrd_unitsload_start_time) }, { "InitRDUnitsLoadFinishTimestampMonotonic", "t", NULL, offsetof(BootTimes, initrd_unitsload_finish_time) }, {}, }; _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; static BootTimes times; static bool cached = false; int r; if (cached) goto finish; assert_cc(sizeof(usec_t) == sizeof(uint64_t)); r = bus_map_all_properties( bus, "org.freedesktop.systemd1", "/org/freedesktop/systemd1", property_map, BUS_MAP_STRDUP, &error, NULL, ×); if (r < 0) return log_error_errno(r, "Failed to get timestamp properties: %s", bus_error_message(&error, r)); if (times.finish_time <= 0) return log_error_errno(SYNTHETIC_ERRNO(EINPROGRESS), "Bootup is not yet finished (org.freedesktop.systemd1.Manager.FinishTimestampMonotonic=%"PRIu64").\n" "Please try again later.\n" "Hint: Use 'systemctl%s list-jobs' to see active jobs", times.finish_time, arg_scope == LOOKUP_SCOPE_SYSTEM ? "" : " --user"); if (arg_scope == LOOKUP_SCOPE_SYSTEM && times.security_start_time > 0) { /* security_start_time is set when systemd is not running under container environment. */ if (times.initrd_time > 0) times.kernel_done_time = times.initrd_time; else times.kernel_done_time = times.userspace_time; } else { /* * User-instance-specific or container-system-specific timestamps processing * (see comment to reverse_offset in BootTimes). */ times.reverse_offset = times.userspace_time; times.firmware_time = times.loader_time = times.kernel_time = times.initrd_time = times.userspace_time = times.security_start_time = times.security_finish_time = 0; subtract_timestamp(×.finish_time, times.reverse_offset); subtract_timestamp(×.generators_start_time, times.reverse_offset); subtract_timestamp(×.generators_finish_time, times.reverse_offset); subtract_timestamp(×.unitsload_start_time, times.reverse_offset); subtract_timestamp(×.unitsload_finish_time, times.reverse_offset); } cached = true; finish: *ret = × return 0; } static int bus_get_uint64_property(sd_bus *bus, const char *path, const char *interface, const char *property, uint64_t *val) { _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; int r; assert(bus); assert(path); assert(interface); assert(property); assert(val); r = sd_bus_get_property_trivial( bus, "org.freedesktop.systemd1", path, interface, property, &error, 't', val); if (r < 0) return log_error_errno(r, "Failed to parse reply: %s", bus_error_message(&error, r)); return 0; } int pretty_boot_time(sd_bus *bus, char **ret) { _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; _cleanup_free_ char *path = NULL, *unit_id = NULL, *text = NULL; usec_t activated_time = USEC_INFINITY; BootTimes *t; int r; r = acquire_boot_times(bus, &t); if (r < 0) return r; path = unit_dbus_path_from_name(SPECIAL_DEFAULT_TARGET); if (!path) return log_oom(); r = sd_bus_get_property_string( bus, "org.freedesktop.systemd1", path, "org.freedesktop.systemd1.Unit", "Id", &error, &unit_id); if (r < 0) log_warning_errno(r, "default.target doesn't seem to exist, ignoring: %s", bus_error_message(&error, r)); r = bus_get_uint64_property(bus, path, "org.freedesktop.systemd1.Unit", "ActiveEnterTimestampMonotonic", &activated_time); if (r < 0) log_warning_errno(r, "Could not get time to reach default.target, ignoring: %m"); text = strdup("Startup finished in "); if (!text) return log_oom(); if (t->firmware_time > 0 && !strextend(&text, FORMAT_TIMESPAN(t->firmware_time - t->loader_time, USEC_PER_MSEC), " (firmware) + ")) return log_oom(); if (t->loader_time > 0 && !strextend(&text, FORMAT_TIMESPAN(t->loader_time, USEC_PER_MSEC), " (loader) + ")) return log_oom(); if (t->kernel_done_time > 0 && !strextend(&text, FORMAT_TIMESPAN(t->kernel_done_time, USEC_PER_MSEC), " (kernel) + ")) return log_oom(); if (t->initrd_time > 0 && !strextend(&text, FORMAT_TIMESPAN(t->userspace_time - t->initrd_time, USEC_PER_MSEC), " (initrd) + ")) return log_oom(); if (!strextend(&text, FORMAT_TIMESPAN(t->finish_time - t->userspace_time, USEC_PER_MSEC), " (userspace) ")) return log_oom(); if (t->kernel_done_time > 0) if (!strextend(&text, "= ", FORMAT_TIMESPAN(t->firmware_time + t->finish_time, USEC_PER_MSEC), " ")) return log_oom(); if (unit_id && timestamp_is_set(activated_time)) { usec_t base = t->userspace_time > 0 ? t->userspace_time : t->reverse_offset; if (!strextend(&text, "\n", unit_id, " reached after ", FORMAT_TIMESPAN(activated_time - base, USEC_PER_MSEC), " in userspace.")) return log_oom(); } else if (unit_id && activated_time == 0) { if (!strextend(&text, "\n", unit_id, " was never reached.")) return log_oom(); } else if (unit_id && activated_time == USEC_INFINITY) { if (!strextend(&text, "\nCould not get time to reach ", unit_id, ".")) return log_oom(); } else if (!unit_id) { if (!strextend(&text, "\ncould not find default.target.")) return log_oom(); } *ret = TAKE_PTR(text); return 0; } UnitTimes* unit_times_free_array(UnitTimes *t) { if (!t) return NULL; for (UnitTimes *p = t; p->has_data; p++) free(p->name); return mfree(t); } int acquire_time_data(sd_bus *bus, UnitTimes **out) { static const struct bus_properties_map property_map[] = { { "InactiveExitTimestampMonotonic", "t", NULL, offsetof(UnitTimes, activating) }, { "ActiveEnterTimestampMonotonic", "t", NULL, offsetof(UnitTimes, activated) }, { "ActiveExitTimestampMonotonic", "t", NULL, offsetof(UnitTimes, deactivating) }, { "InactiveEnterTimestampMonotonic", "t", NULL, offsetof(UnitTimes, deactivated) }, {}, }; _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; _cleanup_(unit_times_free_arrayp) UnitTimes *unit_times = NULL; BootTimes *boot_times = NULL; size_t c = 0; UnitInfo u; int r; r = acquire_boot_times(bus, &boot_times); if (r < 0) return r; r = bus_call_method(bus, bus_systemd_mgr, "ListUnits", &error, &reply, NULL); if (r < 0) return log_error_errno(r, "Failed to list units: %s", bus_error_message(&error, r)); r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssssssouso)"); if (r < 0) return bus_log_parse_error(r); while ((r = bus_parse_unit_info(reply, &u)) > 0) { UnitTimes *t; if (!GREEDY_REALLOC(unit_times, c + 2)) return log_oom(); unit_times[c + 1].has_data = false; t = &unit_times[c]; t->name = NULL; assert_cc(sizeof(usec_t) == sizeof(uint64_t)); r = bus_map_all_properties( bus, "org.freedesktop.systemd1", u.unit_path, property_map, BUS_MAP_STRDUP, &error, NULL, t); if (r < 0) return log_error_errno(r, "Failed to get timestamp properties of unit %s: %s", u.id, bus_error_message(&error, r)); subtract_timestamp(&t->activating, boot_times->reverse_offset); subtract_timestamp(&t->activated, boot_times->reverse_offset); subtract_timestamp(&t->deactivating, boot_times->reverse_offset); subtract_timestamp(&t->deactivated, boot_times->reverse_offset); if (t->activated >= t->activating) t->time = t->activated - t->activating; else if (t->deactivated >= t->activating) t->time = t->deactivated - t->activating; else t->time = 0; if (t->activating == 0) continue; t->name = strdup(u.id); if (!t->name) return log_oom(); t->has_data = true; c++; } if (r < 0) return bus_log_parse_error(r); *out = TAKE_PTR(unit_times); return c; }