run it

5 files changed, 1860 insertions, 0 deletions

diff --git a/src/systemd-analyze/.gitignore b/src/systemd-analyze/.gitignore
new file mode 100644
index 0000000000..752ea236c8
--- /dev/null
+++ b/src/systemd-analyze/.gitignore
@@ -0,0 +1 @@
+/systemd-analyze
diff --git a/src/systemd-analyze/Makefile b/src/systemd-analyze/Makefile
new file mode 100644
index 0000000000..5b2f58d7e4
--- /dev/null
+++ b/src/systemd-analyze/Makefile
@@ -0,0 +1,35 @@
+#  -*- Mode: makefile; indent-tabs-mode: t -*-
+#
+#  This file is part of systemd.
+#
+#  Copyright 2010-2012 Lennart Poettering
+#  Copyright 2010-2012 Kay Sievers
+#  Copyright 2013 Zbigniew Jędrzejewski-Szmek
+#  Copyright 2013 David Strauss
+#  Copyright 2016 Luke Shumaker
+#
+#  systemd is free software; you can redistribute it and/or modify it
+#  under the terms of the GNU Lesser General Public License as published by
+#  the Free Software Foundation; either version 2.1 of the License, or
+#  (at your option) any later version.
+#
+#  systemd is distributed in the hope that it will be useful, but
+#  WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+#  Lesser General Public License for more details.
+#
+#  You should have received a copy of the GNU Lesser General Public License
+#  along with systemd; If not, see <http://www.gnu.org/licenses/>.
+systemd_analyze_SOURCES = \
+	src/analyze/analyze.c \
+	src/analyze/analyze-verify.c \
+	src/analyze/analyze-verify.h
+
+systemd_analyze_CFLAGS = \
+	$(AM_CFLAGS) \
+	$(SECCOMP_CFLAGS) \
+	$(MOUNT_CFLAGS)
+
+systemd_analyze_LDADD = \
+	libcore.la
+
diff --git a/src/systemd-analyze/analyze-verify.c b/src/systemd-analyze/analyze-verify.c
new file mode 100644
index 0000000000..d36c8db3d4
--- /dev/null
+++ b/src/systemd-analyze/analyze-verify.c
@@ -0,0 +1,306 @@
+/***
+  This file is part of systemd.
+
+  Copyright 2014 Zbigniew Jędrzejewski-Szmek
+
+  systemd is free software; you can redistribute it and/or modify it
+  under the terms of the GNU Lesser General Public License as published by
+  the Free Software Foundation; either version 2.1 of the License, or
+  (at your option) any later version.
+
+  systemd is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public License
+  along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include <stdlib.h>
+
+#include "alloc-util.h"
+#include "analyze-verify.h"
+#include "bus-error.h"
+#include "bus-util.h"
+#include "log.h"
+#include "manager.h"
+#include "pager.h"
+#include "path-util.h"
+#include "strv.h"
+#include "unit-name.h"
+
+static int prepare_filename(const char *filename, char **ret) {
+        int r;
+        const char *name;
+        _cleanup_free_ char *abspath = NULL;
+        _cleanup_free_ char *dir = NULL;
+        _cleanup_free_ char *with_instance = NULL;
+        char *c;
+
+        assert(filename);
+        assert(ret);
+
+        r = path_make_absolute_cwd(filename, &abspath);
+        if (r < 0)
+                return r;
+
+        name = basename(abspath);
+        if (!unit_name_is_valid(name, UNIT_NAME_ANY))
+                return -EINVAL;
+
+        if (unit_name_is_valid(name, UNIT_NAME_TEMPLATE)) {
+                r = unit_name_replace_instance(name, "i", &with_instance);
+                if (r < 0)
+                        return r;
+        }
+
+        dir = dirname_malloc(abspath);
+        if (!dir)
+                return -ENOMEM;
+
+        if (with_instance)
+                c = path_join(NULL, dir, with_instance);
+        else
+                c = path_join(NULL, dir, name);
+        if (!c)
+                return -ENOMEM;
+
+        *ret = c;
+        return 0;
+}
+
+static int generate_path(char **var, char **filenames) {
+        char **filename;
+
+        _cleanup_strv_free_ char **ans = NULL;
+        int r;
+
+        STRV_FOREACH(filename, filenames) {
+                char *t;
+
+                t = dirname_malloc(*filename);
+                if (!t)
+                        return -ENOMEM;
+
+                r = strv_consume(&ans, t);
+                if (r < 0)
+                        return r;
+        }
+
+        assert_se(strv_uniq(ans));
+
+        r = strv_extend(&ans, "");
+        if (r < 0)
+                return r;
+
+        *var = strv_join(ans, ":");
+        if (!*var)
+                return -ENOMEM;
+
+        return 0;
+}
+
+static int verify_socket(Unit *u) {
+        int r;
+
+        assert(u);
+
+        if (u->type != UNIT_SOCKET)
+                return 0;
+
+        /* Cannot run this without the service being around */
+
+        /* This makes sure instance is created if necessary. */
+        r = socket_instantiate_service(SOCKET(u));
+        if (r < 0) {
+                log_unit_error_errno(u, r, "Socket cannot be started, failed to create instance: %m");
+                return r;
+        }
+
+        /* This checks both type of sockets */
+        if (UNIT_ISSET(SOCKET(u)->service)) {
+                Service *service;
+
+                service = SERVICE(UNIT_DEREF(SOCKET(u)->service));
+                log_unit_debug(u, "Using %s", UNIT(service)->id);
+
+                if (UNIT(service)->load_state != UNIT_LOADED) {
+                        log_unit_error(u, "Service %s not loaded, %s cannot be started.", UNIT(service)->id, u->id);
+                        return -ENOENT;
+                }
+        }
+
+        return 0;
+}
+
+static int verify_executable(Unit *u, ExecCommand *exec) {
+        if (exec == NULL)
+                return 0;
+
+        if (access(exec->path, X_OK) < 0)
+                return log_unit_error_errno(u, errno, "Command %s is not executable: %m", exec->path);
+
+        return 0;
+}
+
+static int verify_executables(Unit *u) {
+        ExecCommand *exec;
+        int r = 0, k;
+        unsigned i;
+
+        assert(u);
+
+        exec =  u->type == UNIT_SOCKET ? SOCKET(u)->control_command :
+                u->type == UNIT_MOUNT ? MOUNT(u)->control_command :
+                u->type == UNIT_SWAP ? SWAP(u)->control_command : NULL;
+        k = verify_executable(u, exec);
+        if (k < 0 && r == 0)
+                r = k;
+
+        if (u->type == UNIT_SERVICE)
+                for (i = 0; i < ELEMENTSOF(SERVICE(u)->exec_command); i++) {
+                        k = verify_executable(u, SERVICE(u)->exec_command[i]);
+                        if (k < 0 && r == 0)
+                                r = k;
+                }
+
+        if (u->type == UNIT_SOCKET)
+                for (i = 0; i < ELEMENTSOF(SOCKET(u)->exec_command); i++) {
+                        k = verify_executable(u, SOCKET(u)->exec_command[i]);
+                        if (k < 0 && r == 0)
+                                r = k;
+                }
+
+        return r;
+}
+
+static int verify_documentation(Unit *u, bool check_man) {
+        char **p;
+        int r = 0, k;
+
+        STRV_FOREACH(p, u->documentation) {
+                log_unit_debug(u, "Found documentation item: %s", *p);
+
+                if (check_man && startswith(*p, "man:")) {
+                        k = show_man_page(*p + 4, true);
+                        if (k != 0) {
+                                if (k < 0)
+                                        log_unit_error_errno(u, r, "Can't show %s: %m", *p);
+                                else {
+                                        log_unit_error_errno(u, r, "man %s command failed with code %d", *p + 4, k);
+                                        k = -ENOEXEC;
+                                }
+                                if (r == 0)
+                                        r = k;
+                        }
+                }
+        }
+
+        /* Check remote URLs? */
+
+        return r;
+}
+
+static int verify_unit(Unit *u, bool check_man) {
+        _cleanup_(sd_bus_error_free) sd_bus_error err = SD_BUS_ERROR_NULL;
+        int r, k;
+
+        assert(u);
+
+        if (log_get_max_level() >= LOG_DEBUG)
+                unit_dump(u, stdout, "\t");
+
+        log_unit_debug(u, "Creating %s/start job", u->id);
+        r = manager_add_job(u->manager, JOB_START, u, JOB_REPLACE, &err, NULL);
+        if (r < 0)
+                log_unit_error_errno(u, r, "Failed to create %s/start: %s", u->id, bus_error_message(&err, r));
+
+        k = verify_socket(u);
+        if (k < 0 && r == 0)
+                r = k;
+
+        k = verify_executables(u);
+        if (k < 0 && r == 0)
+                r = k;
+
+        k = verify_documentation(u, check_man);
+        if (k < 0 && r == 0)
+                r = k;
+
+        return r;
+}
+
+int verify_units(char **filenames, ManagerRunningAs running_as, bool check_man) {
+        _cleanup_(sd_bus_error_free) sd_bus_error err = SD_BUS_ERROR_NULL;
+        Manager *m = NULL;
+        FILE *serial = NULL;
+        FDSet *fdset = NULL;
+
+        _cleanup_free_ char *var = NULL;
+
+        char **filename;
+        int r = 0, k;
+
+        Unit *units[strv_length(filenames)];
+        int i, count = 0;
+
+        if (strv_isempty(filenames))
+                return 0;
+
+        /* set the path */
+        r = generate_path(&var, filenames);
+        if (r < 0)
+                return log_error_errno(r, "Failed to generate unit load path: %m");
+
+        assert_se(set_unit_path(var) >= 0);
+
+        r = manager_new(running_as, true, &m);
+        if (r < 0)
+                return log_error_errno(r, "Failed to initialize manager: %m");
+
+        log_debug("Starting manager...");
+
+        r = manager_startup(m, serial, fdset);
+        if (r < 0) {
+                log_error_errno(r, "Failed to start manager: %m");
+                goto finish;
+        }
+
+        manager_clear_jobs(m);
+
+        log_debug("Loading remaining units from the command line...");
+
+        STRV_FOREACH(filename, filenames) {
+                _cleanup_free_ char *prepared = NULL;
+
+                log_debug("Handling %s...", *filename);
+
+                k = prepare_filename(*filename, &prepared);
+                if (k < 0) {
+                        log_error_errno(k, "Failed to prepare filename %s: %m", *filename);
+                        if (r == 0)
+                                r = k;
+                        continue;
+                }
+
+                k = manager_load_unit(m, NULL, prepared, &err, &units[count]);
+                if (k < 0) {
+                        log_error_errno(k, "Failed to load %s: %m", *filename);
+                        if (r == 0)
+                                r = k;
+                } else
+                        count ++;
+        }
+
+        for (i = 0; i < count; i++) {
+                k = verify_unit(units[i], check_man);
+                if (k < 0 && r == 0)
+                        r = k;
+        }
+
+finish:
+        manager_free(m);
+
+        return r;
+}
diff --git a/src/systemd-analyze/analyze-verify.h b/src/systemd-analyze/analyze-verify.h
new file mode 100644
index 0000000000..54adad93e1
--- /dev/null
+++ b/src/systemd-analyze/analyze-verify.h
@@ -0,0 +1,26 @@
+/***
+  This file is part of systemd.
+
+  Copyright 2014 Zbigniew Jędrzejewski-Szmek
+
+  systemd is free software; you can redistribute it and/or modify it
+  under the terms of the GNU Lesser General Public License as published by
+  the Free Software Foundation; either version 2.1 of the License, or
+  (at your option) any later version.
+
+  systemd is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public License
+  along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#pragma once
+
+#include <stdbool.h>
+
+#include "path-lookup.h"
+
+int verify_units(char **filenames, ManagerRunningAs running_as, bool check_man);
diff --git a/src/systemd-analyze/analyze.c b/src/systemd-analyze/analyze.c
new file mode 100644
index 0000000000..1a28093b07
--- /dev/null
+++ b/src/systemd-analyze/analyze.c
@@ -0,0 +1,1492 @@
+/***
+  This file is part of systemd.
+
+  Copyright 2010-2013 Lennart Poettering
+  Copyright 2013 Simon Peeters
+
+  systemd is free software; you can redistribute it and/or modify it
+  under the terms of the GNU Lesser General Public License as published by
+  the Free Software Foundation; either version 2.1 of the License, or
+  (at your option) any later version.
+
+  systemd is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public License
+  along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include <getopt.h>
+#include <locale.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "sd-bus.h"
+
+#include "alloc-util.h"
+#include "analyze-verify.h"
+#include "bus-error.h"
+#include "bus-util.h"
+#include "glob-util.h"
+#include "hashmap.h"
+#include "locale-util.h"
+#include "log.h"
+#include "pager.h"
+#include "parse-util.h"
+#include "special.h"
+#include "strv.h"
+#include "strxcpyx.h"
+#include "terminal-util.h"
+#include "unit-name.h"
+#include "util.h"
+
+#define SCALE_X (0.1 / 1000.0)   /* pixels per us */
+#define SCALE_Y (20.0)
+
+#define compare(a, b) (((a) > (b))? 1 : (((b) > (a))? -1 : 0))
+
+#define svg(...) printf(__VA_ARGS__)
+
+#define svg_bar(class, x1, x2, y)                                       \
+        svg("  <rect class=\"%s\" x=\"%.03f\" y=\"%.03f\" width=\"%.03f\" height=\"%.03f\" />\n", \
+            (class),                                                    \
+            SCALE_X * (x1), SCALE_Y * (y),                              \
+            SCALE_X * ((x2) - (x1)), SCALE_Y - 1.0)
+
+#define svg_text(b, x, y, format, ...)                                  \
+        do {                                                            \
+                svg("  <text class=\"%s\" x=\"%.03f\" y=\"%.03f\">", (b) ? "left" : "right", SCALE_X * (x) + (b ? 5.0 : -5.0), SCALE_Y * (y) + 14.0); \
+                svg(format, ## __VA_ARGS__);                            \
+                svg("</text>\n");                                       \
+        } while(false)
+
+static enum dot {
+        DEP_ALL,
+        DEP_ORDER,
+        DEP_REQUIRE
+} arg_dot = DEP_ALL;
+static char** arg_dot_from_patterns = NULL;
+static char** arg_dot_to_patterns = NULL;
+static usec_t arg_fuzz = 0;
+static bool arg_no_pager = false;
+static BusTransport arg_transport = BUS_TRANSPORT_LOCAL;
+static char *arg_host = NULL;
+static bool arg_user = false;
+static bool arg_man = true;
+
+struct boot_times {
+        usec_t firmware_time;
+        usec_t loader_time;
+        usec_t kernel_time;
+        usec_t kernel_done_time;
+        usec_t initrd_time;
+        usec_t userspace_time;
+        usec_t finish_time;
+        usec_t security_start_time;
+        usec_t security_finish_time;
+        usec_t generators_start_time;
+        usec_t generators_finish_time;
+        usec_t unitsload_start_time;
+        usec_t unitsload_finish_time;
+
+        /*
+         * If we're analyzing the user instance, all timestamps will be offset
+         * by its own start-up timestamp, which may be arbitrarily big.
+         * With "plot", this causes arbitrarily wide output SVG files which almost
+         * completely consist of empty space. Thus we cancel out this offset.
+         *
+         * This offset is subtracted from times above by acquire_boot_times(),
+         * but it still needs to be subtracted from unit-specific timestamps
+         * (so it is stored here for reference).
+         */
+        usec_t reverse_offset;
+};
+
+struct unit_times {
+        char *name;
+        usec_t activating;
+        usec_t activated;
+        usec_t deactivated;
+        usec_t deactivating;
+        usec_t time;
+};
+
+struct host_info {
+        char *hostname;
+        char *kernel_name;
+        char *kernel_release;
+        char *kernel_version;
+        char *os_pretty_name;
+        char *virtualization;
+        char *architecture;
+};
+
+static void pager_open_if_enabled(void) {
+
+        if (arg_no_pager)
+                return;
+
+        pager_open(false);
+}
+
+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) {
+                log_error("Failed to parse reply: %s", bus_error_message(&error, -r));
+                return r;
+        }
+
+        return 0;
+}
+
+static int bus_get_unit_property_strv(sd_bus *bus, const char *path, const char *property, char ***strv) {
+        _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+        int r;
+
+        assert(bus);
+        assert(path);
+        assert(property);
+        assert(strv);
+
+        r = sd_bus_get_property_strv(
+                        bus,
+                        "org.freedesktop.systemd1",
+                        path,
+                        "org.freedesktop.systemd1.Unit",
+                        property,
+                        &error,
+                        strv);
+        if (r < 0) {
+                log_error("Failed to get unit property %s: %s", property, bus_error_message(&error, -r));
+                return r;
+        }
+
+        return 0;
+}
+
+static int compare_unit_time(const void *a, const void *b) {
+        return compare(((struct unit_times *)b)->time,
+                       ((struct unit_times *)a)->time);
+}
+
+static int compare_unit_start(const void *a, const void *b) {
+        return compare(((struct unit_times *)a)->activating,
+                       ((struct unit_times *)b)->activating);
+}
+
+static void free_unit_times(struct unit_times *t, unsigned n) {
+        struct unit_times *p;
+
+        for (p = t; p < t + n; p++)
+                free(p->name);
+
+        free(t);
+}
+
+static void subtract_timestamp(usec_t *a, usec_t b) {
+        assert(a);
+
+        if (*a > 0) {
+                assert(*a >= b);
+                *a -= b;
+        }
+}
+
+static int acquire_boot_times(sd_bus *bus, struct boot_times **bt) {
+        static struct boot_times times;
+        static bool cached = false;
+
+        if (cached)
+                goto finish;
+
+        assert_cc(sizeof(usec_t) == sizeof(uint64_t));
+
+        if (bus_get_uint64_property(bus,
+                                    "/org/freedesktop/systemd1",
+                                    "org.freedesktop.systemd1.Manager",
+                                    "FirmwareTimestampMonotonic",
+                                    &times.firmware_time) < 0 ||
+            bus_get_uint64_property(bus,
+                                    "/org/freedesktop/systemd1",
+                                    "org.freedesktop.systemd1.Manager",
+                                    "LoaderTimestampMonotonic",
+                                    &times.loader_time) < 0 ||
+            bus_get_uint64_property(bus,
+                                    "/org/freedesktop/systemd1",
+                                    "org.freedesktop.systemd1.Manager",
+                                    "KernelTimestamp",
+                                    &times.kernel_time) < 0 ||
+            bus_get_uint64_property(bus,
+                                    "/org/freedesktop/systemd1",
+                                    "org.freedesktop.systemd1.Manager",
+                                    "InitRDTimestampMonotonic",
+                                    &times.initrd_time) < 0 ||
+            bus_get_uint64_property(bus,
+                                    "/org/freedesktop/systemd1",
+                                    "org.freedesktop.systemd1.Manager",
+                                    "UserspaceTimestampMonotonic",
+                                    &times.userspace_time) < 0 ||
+            bus_get_uint64_property(bus,
+                                    "/org/freedesktop/systemd1",
+                                    "org.freedesktop.systemd1.Manager",
+                                    "FinishTimestampMonotonic",
+                                    &times.finish_time) < 0 ||
+            bus_get_uint64_property(bus,
+                                    "/org/freedesktop/systemd1",
+                                    "org.freedesktop.systemd1.Manager",
+                                    "SecurityStartTimestampMonotonic",
+                                    &times.security_start_time) < 0 ||
+            bus_get_uint64_property(bus,
+                                    "/org/freedesktop/systemd1",
+                                    "org.freedesktop.systemd1.Manager",
+                                    "SecurityFinishTimestampMonotonic",
+                                    &times.security_finish_time) < 0 ||
+            bus_get_uint64_property(bus,
+                                    "/org/freedesktop/systemd1",
+                                    "org.freedesktop.systemd1.Manager",
+                                    "GeneratorsStartTimestampMonotonic",
+                                    &times.generators_start_time) < 0 ||
+            bus_get_uint64_property(bus,
+                                    "/org/freedesktop/systemd1",
+                                    "org.freedesktop.systemd1.Manager",
+                                    "GeneratorsFinishTimestampMonotonic",
+                                    &times.generators_finish_time) < 0 ||
+            bus_get_uint64_property(bus,
+                                    "/org/freedesktop/systemd1",
+                                    "org.freedesktop.systemd1.Manager",
+                                    "UnitsLoadStartTimestampMonotonic",
+                                    &times.unitsload_start_time) < 0 ||
+            bus_get_uint64_property(bus,
+                                    "/org/freedesktop/systemd1",
+                                    "org.freedesktop.systemd1.Manager",
+                                    "UnitsLoadFinishTimestampMonotonic",
+                                    &times.unitsload_finish_time) < 0)
+                return -EIO;
+
+        if (times.finish_time <= 0) {
+                log_error("Bootup is not yet finished. Please try again later.");
+                return -EINPROGRESS;
+        }
+
+        if (arg_user) {
+                /*
+                 * User-instance-specific timestamps processing
+                 * (see comment to reverse_offset in struct boot_times).
+                 */
+                times.reverse_offset = times.userspace_time;
+
+                times.firmware_time = times.loader_time = times.kernel_time = times.initrd_time = times.userspace_time = 0;
+                subtract_timestamp(&times.finish_time, times.reverse_offset);
+
+                subtract_timestamp(&times.security_start_time, times.reverse_offset);
+                subtract_timestamp(&times.security_finish_time, times.reverse_offset);
+
+                subtract_timestamp(&times.generators_start_time, times.reverse_offset);
+                subtract_timestamp(&times.generators_finish_time, times.reverse_offset);
+
+                subtract_timestamp(&times.unitsload_start_time, times.reverse_offset);
+                subtract_timestamp(&times.unitsload_finish_time, times.reverse_offset);
+        } else {
+                if (times.initrd_time)
+                        times.kernel_done_time = times.initrd_time;
+                else
+                        times.kernel_done_time = times.userspace_time;
+        }
+
+        cached = true;
+
+finish:
+        *bt = &times;
+        return 0;
+}
+
+static void free_host_info(struct host_info *hi) {
+
+        if (!hi)
+                return;
+
+        free(hi->hostname);
+        free(hi->kernel_name);
+        free(hi->kernel_release);
+        free(hi->kernel_version);
+        free(hi->os_pretty_name);
+        free(hi->virtualization);
+        free(hi->architecture);
+        free(hi);
+}
+
+DEFINE_TRIVIAL_CLEANUP_FUNC(struct host_info*, free_host_info);
+
+static int acquire_time_data(sd_bus *bus, struct unit_times **out) {
+        _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
+        _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+        int r, c = 0;
+        struct boot_times *boot_times = NULL;
+        struct unit_times *unit_times = NULL;
+        size_t size = 0;
+        UnitInfo u;
+
+        r = acquire_boot_times(bus, &boot_times);
+        if (r < 0)
+                goto fail;
+
+        r = sd_bus_call_method(
+                        bus,
+                        "org.freedesktop.systemd1",
+                        "/org/freedesktop/systemd1",
+                        "org.freedesktop.systemd1.Manager",
+                        "ListUnits",
+                        &error, &reply,
+                        NULL);
+        if (r < 0) {
+                log_error("Failed to list units: %s", bus_error_message(&error, -r));
+                goto fail;
+        }
+
+        r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssssssouso)");
+        if (r < 0) {
+                bus_log_parse_error(r);
+                goto fail;
+        }
+
+        while ((r = bus_parse_unit_info(reply, &u)) > 0) {
+                struct unit_times *t;
+
+                if (!GREEDY_REALLOC(unit_times, size, c+1)) {
+                        r = log_oom();
+                        goto fail;
+                }
+
+                t = unit_times+c;
+                t->name = NULL;
+
+                assert_cc(sizeof(usec_t) == sizeof(uint64_t));
+
+                if (bus_get_uint64_property(bus, u.unit_path,
+                                            "org.freedesktop.systemd1.Unit",
+                                            "InactiveExitTimestampMonotonic",
+                                            &t->activating) < 0 ||
+                    bus_get_uint64_property(bus, u.unit_path,
+                                            "org.freedesktop.systemd1.Unit",
+                                            "ActiveEnterTimestampMonotonic",
+                                            &t->activated) < 0 ||
+                    bus_get_uint64_property(bus, u.unit_path,
+                                            "org.freedesktop.systemd1.Unit",
+                                            "ActiveExitTimestampMonotonic",
+                                            &t->deactivating) < 0 ||
+                    bus_get_uint64_property(bus, u.unit_path,
+                                            "org.freedesktop.systemd1.Unit",
+                                            "InactiveEnterTimestampMonotonic",
+                                            &t->deactivated) < 0) {
+                        r = -EIO;
+                        goto fail;
+                }
+
+                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 == NULL) {
+                        r = log_oom();
+                        goto fail;
+                }
+                c++;
+        }
+        if (r < 0) {
+                bus_log_parse_error(r);
+                goto fail;
+        }
+
+        *out = unit_times;
+        return c;
+
+fail:
+        if (unit_times)
+                free_unit_times(unit_times, (unsigned) c);
+        return r;
+}
+
+static int acquire_host_info(sd_bus *bus, struct host_info **hi) {
+        static const struct bus_properties_map hostname_map[] = {
+                { "Hostname",                  "s", NULL, offsetof(struct host_info, hostname)       },
+                { "KernelName",                "s", NULL, offsetof(struct host_info, kernel_name)    },
+                { "KernelRelease",             "s", NULL, offsetof(struct host_info, kernel_release) },
+                { "KernelVersion",             "s", NULL, offsetof(struct host_info, kernel_version) },
+                { "OperatingSystemPrettyName", "s", NULL, offsetof(struct host_info, os_pretty_name) },
+                {}
+        };
+
+        static const struct bus_properties_map manager_map[] = {
+                { "Virtualization",            "s", NULL, offsetof(struct host_info, virtualization) },
+                { "Architecture",              "s", NULL, offsetof(struct host_info, architecture)   },
+                {}
+        };
+
+        _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+        _cleanup_(free_host_infop) struct host_info *host;
+        int r;
+
+        host = new0(struct host_info, 1);
+        if (!host)
+                return log_oom();
+
+        r = bus_map_all_properties(bus,
+                                   "org.freedesktop.hostname1",
+                                   "/org/freedesktop/hostname1",
+                                   hostname_map,
+                                   host);
+        if (r < 0)
+                log_debug_errno(r, "Failed to get host information from systemd-hostnamed: %s", bus_error_message(&error, r));
+
+        r = bus_map_all_properties(bus,
+                                   "org.freedesktop.systemd1",
+                                   "/org/freedesktop/systemd1",
+                                   manager_map,
+                                   host);
+        if (r < 0)
+                return log_error_errno(r, "Failed to get host information from systemd: %s", bus_error_message(&error, r));
+
+        *hi = host;
+        host = NULL;
+
+        return 0;
+}
+
+static int pretty_boot_time(sd_bus *bus, char **_buf) {
+        char ts[FORMAT_TIMESPAN_MAX];
+        struct boot_times *t;
+        static char buf[4096];
+        size_t size;
+        char *ptr;
+        int r;
+
+        r = acquire_boot_times(bus, &t);
+        if (r < 0)
+                return r;
+
+        ptr = buf;
+        size = sizeof(buf);
+
+        size = strpcpyf(&ptr, size, "Startup finished in ");
+        if (t->firmware_time)
+                size = strpcpyf(&ptr, size, "%s (firmware) + ", format_timespan(ts, sizeof(ts), t->firmware_time - t->loader_time, USEC_PER_MSEC));
+        if (t->loader_time)
+                size = strpcpyf(&ptr, size, "%s (loader) + ", format_timespan(ts, sizeof(ts), t->loader_time, USEC_PER_MSEC));
+        if (t->kernel_time)
+                size = strpcpyf(&ptr, size, "%s (kernel) + ", format_timespan(ts, sizeof(ts), t->kernel_done_time, USEC_PER_MSEC));
+        if (t->initrd_time > 0)
+                size = strpcpyf(&ptr, size, "%s (initrd) + ", format_timespan(ts, sizeof(ts), t->userspace_time - t->initrd_time, USEC_PER_MSEC));
+
+        size = strpcpyf(&ptr, size, "%s (userspace) ", format_timespan(ts, sizeof(ts), t->finish_time - t->userspace_time, USEC_PER_MSEC));
+        strpcpyf(&ptr, size, "= %s", format_timespan(ts, sizeof(ts), t->firmware_time + t->finish_time, USEC_PER_MSEC));
+
+        ptr = strdup(buf);
+        if (!ptr)
+                return log_oom();
+
+        *_buf = ptr;
+        return 0;
+}
+
+static void svg_graph_box(double height, double begin, double end) {
+        long long i;
+
+        /* outside box, fill */
+        svg("<rect class=\"box\" x=\"0\" y=\"0\" width=\"%.03f\" height=\"%.03f\" />\n",
+            SCALE_X * (end - begin), SCALE_Y * height);
+
+        for (i = ((long long) (begin / 100000)) * 100000; i <= end; i+=100000) {
+                /* lines for each second */
+                if (i % 5000000 == 0)
+                        svg("  <line class=\"sec5\" x1=\"%.03f\" y1=\"0\" x2=\"%.03f\" y2=\"%.03f\" />\n"
+                            "  <text class=\"sec\" x=\"%.03f\" y=\"%.03f\" >%.01fs</text>\n",
+                            SCALE_X * i, SCALE_X * i, SCALE_Y * height, SCALE_X * i, -5.0, 0.000001 * i);
+                else if (i % 1000000 == 0)
+                        svg("  <line class=\"sec1\" x1=\"%.03f\" y1=\"0\" x2=\"%.03f\" y2=\"%.03f\" />\n"
+                            "  <text class=\"sec\" x=\"%.03f\" y=\"%.03f\" >%.01fs</text>\n",
+                            SCALE_X * i, SCALE_X * i, SCALE_Y * height, SCALE_X * i, -5.0, 0.000001 * i);
+                else
+                        svg("  <line class=\"sec01\" x1=\"%.03f\" y1=\"0\" x2=\"%.03f\" y2=\"%.03f\" />\n",
+                            SCALE_X * i, SCALE_X * i, SCALE_Y * height);
+        }
+}
+
+static int analyze_plot(sd_bus *bus) {
+        _cleanup_(free_host_infop) struct host_info *host = NULL;
+        struct unit_times *times;
+        struct boot_times *boot;
+        int n, m = 1, y=0;
+        double width;
+        _cleanup_free_ char *pretty_times = NULL;
+        struct unit_times *u;
+
+        n = acquire_boot_times(bus, &boot);
+        if (n < 0)
+                return n;
+
+        n = pretty_boot_time(bus, &pretty_times);
+        if (n < 0)
+                return n;
+
+        n = acquire_host_info(bus, &host);
+        if (n < 0)
+                return n;
+
+        n = acquire_time_data(bus, &times);
+        if (n <= 0)
+                return n;
+
+        qsort(times, n, sizeof(struct unit_times), compare_unit_start);
+
+        width = SCALE_X * (boot->firmware_time + boot->finish_time);
+        if (width < 800.0)
+                width = 800.0;
+
+        if (boot->firmware_time > boot->loader_time)
+                m++;
+        if (boot->loader_time) {
+                m++;
+                if (width < 1000.0)
+                        width = 1000.0;
+        }
+        if (boot->initrd_time)
+                m++;
+        if (boot->kernel_time)
+                m++;
+
+        for (u = times; u < times + n; u++) {
+                double text_start, text_width;
+
+                if (u->activating < boot->userspace_time ||
+                    u->activating > boot->finish_time) {
+                        u->name = mfree(u->name);
+                        continue;
+                }
+
+                /* If the text cannot fit on the left side then
+                 * increase the svg width so it fits on the right.
+                 * TODO: calculate the text width more accurately */
+                text_width = 8.0 * strlen(u->name);
+                text_start = (boot->firmware_time + u->activating) * SCALE_X;
+                if (text_width > text_start && text_width + text_start > width)
+                        width = text_width + text_start;
+
+                if (u->deactivated > u->activating && u->deactivated <= boot->finish_time
+                                && u->activated == 0 && u->deactivating == 0)
+                        u->activated = u->deactivating = u->deactivated;
+                if (u->activated < u->activating || u->activated > boot->finish_time)
+                        u->activated = boot->finish_time;
+                if (u->deactivating < u->activated || u->activated > boot->finish_time)
+                        u->deactivating = boot->finish_time;
+                if (u->deactivated < u->deactivating || u->deactivated > boot->finish_time)
+                        u->deactivated = boot->finish_time;
+                m++;
+        }
+
+        svg("<?xml version=\"1.0\" standalone=\"no\"?>\n"
+            "<!DOCTYPE svg PUBLIC \"-//W3C//DTD SVG 1.1//EN\" "
+            "\"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd\">\n");
+
+        svg("<svg width=\"%.0fpx\" height=\"%.0fpx\" version=\"1.1\" "
+            "xmlns=\"http://www.w3.org/2000/svg\">\n\n",
+                        80.0 + width, 150.0 + (m * SCALE_Y) +
+                        5 * SCALE_Y /* legend */);
+
+        /* write some basic info as a comment, including some help */
+        svg("<!-- This file is a systemd-analyze SVG file. It is best rendered in a   -->\n"
+            "<!-- browser such as Chrome, Chromium or Firefox. Other applications     -->\n"
+            "<!-- that render these files properly but much slower are ImageMagick,   -->\n"
+            "<!-- gimp, inkscape, etc. To display the files on your system, just      -->\n"
+            "<!-- point your browser to this file.                                    -->\n\n"
+            "<!-- This plot was generated by systemd-analyze version %-16.16s -->\n\n", VERSION);
+
+        /* style sheet */
+        svg("<defs>\n  <style type=\"text/css\">\n    <![CDATA[\n"
+            "      rect       { stroke-width: 1; stroke-opacity: 0; }\n"
+            "      rect.background   { fill: rgb(255,255,255); }\n"
+            "      rect.activating   { fill: rgb(255,0,0); fill-opacity: 0.7; }\n"
+            "      rect.active       { fill: rgb(200,150,150); fill-opacity: 0.7; }\n"
+            "      rect.deactivating { fill: rgb(150,100,100); fill-opacity: 0.7; }\n"
+            "      rect.kernel       { fill: rgb(150,150,150); fill-opacity: 0.7; }\n"
+            "      rect.initrd       { fill: rgb(150,150,150); fill-opacity: 0.7; }\n"
+            "      rect.firmware     { fill: rgb(150,150,150); fill-opacity: 0.7; }\n"
+            "      rect.loader       { fill: rgb(150,150,150); fill-opacity: 0.7; }\n"
+            "      rect.userspace    { fill: rgb(150,150,150); fill-opacity: 0.7; }\n"
+            "      rect.security     { fill: rgb(144,238,144); fill-opacity: 0.7; }\n"
+            "      rect.generators   { fill: rgb(102,204,255); fill-opacity: 0.7; }\n"
+            "      rect.unitsload    { fill: rgb( 82,184,255); fill-opacity: 0.7; }\n"
+            "      rect.box   { fill: rgb(240,240,240); stroke: rgb(192,192,192); }\n"
+            "      line       { stroke: rgb(64,64,64); stroke-width: 1; }\n"
+            "//    line.sec1  { }\n"
+            "      line.sec5  { stroke-width: 2; }\n"
+            "      line.sec01 { stroke: rgb(224,224,224); stroke-width: 1; }\n"
+            "      text       { font-family: Verdana, Helvetica; font-size: 14px; }\n"
+            "      text.left  { font-family: Verdana, Helvetica; font-size: 14px; text-anchor: start; }\n"
+            "      text.right { font-family: Verdana, Helvetica; font-size: 14px; text-anchor: end; }\n"
+            "      text.sec   { font-size: 10px; }\n"
+            "    ]]>\n   </style>\n</defs>\n\n");
+
+        svg("<rect class=\"background\" width=\"100%%\" height=\"100%%\" />\n");
+        svg("<text x=\"20\" y=\"50\">%s</text>", pretty_times);
+        svg("<text x=\"20\" y=\"30\">%s %s (%s %s %s) %s %s</text>",
+            isempty(host->os_pretty_name) ? "GNU/Linux" : host->os_pretty_name,
+            strempty(host->hostname),
+            strempty(host->kernel_name),
+            strempty(host->kernel_release),
+            strempty(host->kernel_version),
+            strempty(host->architecture),
+            strempty(host->virtualization));
+
+        svg("<g transform=\"translate(%.3f,100)\">\n", 20.0 + (SCALE_X * boot->firmware_time));
+        svg_graph_box(m, -(double) boot->firmware_time, boot->finish_time);
+
+        if (boot->firmware_time) {
+                svg_bar("firmware", -(double) boot->firmware_time, -(double) boot->loader_time, y);
+                svg_text(true, -(double) boot->firmware_time, y, "firmware");
+                y++;
+        }
+        if (boot->loader_time) {
+                svg_bar("loader", -(double) boot->loader_time, 0, y);
+                svg_text(true, -(double) boot->loader_time, y, "loader");
+                y++;
+        }
+        if (boot->kernel_time) {
+                svg_bar("kernel", 0, boot->kernel_done_time, y);
+                svg_text(true, 0, y, "kernel");
+                y++;
+        }
+        if (boot->initrd_time) {
+                svg_bar("initrd", boot->initrd_time, boot->userspace_time, y);
+                svg_text(true, boot->initrd_time, y, "initrd");
+                y++;
+        }
+        svg_bar("active", boot->userspace_time, boot->finish_time, y);
+        svg_bar("security", boot->security_start_time, boot->security_finish_time, y);
+        svg_bar("generators", boot->generators_start_time, boot->generators_finish_time, y);
+        svg_bar("unitsload", boot->unitsload_start_time, boot->unitsload_finish_time, y);
+        svg_text(true, boot->userspace_time, y, "systemd");
+        y++;
+
+        for (u = times; u < times + n; u++) {
+                char ts[FORMAT_TIMESPAN_MAX];
+                bool b;
+
+                if (!u->name)
+                        continue;
+
+                svg_bar("activating",   u->activating, u->activated, y);
+                svg_bar("active",       u->activated, u->deactivating, y);
+                svg_bar("deactivating", u->deactivating, u->deactivated, y);
+
+                /* place the text on the left if we have passed the half of the svg width */
+                b = u->activating * SCALE_X < width / 2;
+                if (u->time)
+                        svg_text(b, u->activating, y, "%s (%s)",
+                                 u->name, format_timespan(ts, sizeof(ts), u->time, USEC_PER_MSEC));
+                else
+                        svg_text(b, u->activating, y, "%s", u->name);
+                y++;
+        }
+
+        svg("</g>\n");
+
+        /* Legend */
+        svg("<g transform=\"translate(20,100)\">\n");
+        y++;
+        svg_bar("activating", 0, 300000, y);
+        svg_text(true, 400000, y, "Activating");
+        y++;
+        svg_bar("active", 0, 300000, y);
+        svg_text(true, 400000, y, "Active");
+        y++;
+        svg_bar("deactivating", 0, 300000, y);
+        svg_text(true, 400000, y, "Deactivating");
+        y++;
+        svg_bar("security", 0, 300000, y);
+        svg_text(true, 400000, y, "Setting up security module");
+        y++;
+        svg_bar("generators", 0, 300000, y);
+        svg_text(true, 400000, y, "Generators");
+        y++;
+        svg_bar("unitsload", 0, 300000, y);
+        svg_text(true, 400000, y, "Loading unit files");
+        y++;
+
+        svg("</g>\n\n");
+
+        svg("</svg>\n");
+
+        free_unit_times(times, (unsigned) n);
+
+        n = 0;
+        return n;
+}
+
+static int list_dependencies_print(const char *name, unsigned int level, unsigned int branches,
+                                   bool last, struct unit_times *times, struct boot_times *boot) {
+        unsigned int i;
+        char ts[FORMAT_TIMESPAN_MAX], ts2[FORMAT_TIMESPAN_MAX];
+
+        for (i = level; i != 0; i--)
+                printf("%s", draw_special_char(branches & (1 << (i-1)) ? DRAW_TREE_VERTICAL : DRAW_TREE_SPACE));
+
+        printf("%s", draw_special_char(last ? DRAW_TREE_RIGHT : DRAW_TREE_BRANCH));
+
+        if (times) {
+                if (times->time)
+                        printf("%s%s @%s +%s%s", ANSI_HIGHLIGHT_RED, name,
+                               format_timespan(ts, sizeof(ts), times->activating - boot->userspace_time, USEC_PER_MSEC),
+                               format_timespan(ts2, sizeof(ts2), times->time, USEC_PER_MSEC), ANSI_NORMAL);
+                else if (times->activated > boot->userspace_time)
+                        printf("%s @%s", name, format_timespan(ts, sizeof(ts), times->activated - boot->userspace_time, USEC_PER_MSEC));
+                else
+                        printf("%s", name);
+        } else
+                printf("%s", name);
+        printf("\n");
+
+        return 0;
+}
+
+static int list_dependencies_get_dependencies(sd_bus *bus, const char *name, char ***deps) {
+        _cleanup_free_ char *path = NULL;
+
+        assert(bus);
+        assert(name);
+        assert(deps);
+
+        path = unit_dbus_path_from_name(name);
+        if (path == NULL)
+                return -ENOMEM;
+
+        return bus_get_unit_property_strv(bus, path, "After", deps);
+}
+
+static Hashmap *unit_times_hashmap;
+
+static int list_dependencies_compare(const void *_a, const void *_b) {
+        const char **a = (const char**) _a, **b = (const char**) _b;
+        usec_t usa = 0, usb = 0;
+        struct unit_times *times;
+
+        times = hashmap_get(unit_times_hashmap, *a);
+        if (times)
+                usa = times->activated;
+        times = hashmap_get(unit_times_hashmap, *b);
+        if (times)
+                usb = times->activated;
+
+        return usb - usa;
+}
+
+static int list_dependencies_one(sd_bus *bus, const char *name, unsigned int level, char ***units,
+                                 unsigned int branches) {
+        _cleanup_strv_free_ char **deps = NULL;
+        char **c;
+        int r = 0;
+        usec_t service_longest = 0;
+        int to_print = 0;
+        struct unit_times *times;
+        struct boot_times *boot;
+
+        if (strv_extend(units, name))
+                return log_oom();
+
+        r = list_dependencies_get_dependencies(bus, name, &deps);
+        if (r < 0)
+                return r;
+
+        qsort_safe(deps, strv_length(deps), sizeof (char*), list_dependencies_compare);
+
+        r = acquire_boot_times(bus, &boot);
+        if (r < 0)
+                return r;
+
+        STRV_FOREACH(c, deps) {
+                times = hashmap_get(unit_times_hashmap, *c);
+                if (times
+                    && times->activated
+                    && times->activated <= boot->finish_time
+                    && (times->activated >= service_longest
+                        || service_longest == 0)) {
+                        service_longest = times->activated;
+                        break;
+                }
+        }
+
+        if (service_longest == 0 )
+                return r;
+
+        STRV_FOREACH(c, deps) {
+                times = hashmap_get(unit_times_hashmap, *c);
+                if (times && times->activated && times->activated <= boot->finish_time && (service_longest - times->activated) <= arg_fuzz)
+                        to_print++;
+        }
+
+        if (!to_print)
+                return r;
+
+        STRV_FOREACH(c, deps) {
+                times = hashmap_get(unit_times_hashmap, *c);
+                if (!times
+                    || !times->activated
+                    || times->activated > boot->finish_time
+                    || service_longest - times->activated > arg_fuzz)
+                        continue;
+
+                to_print--;
+
+                r = list_dependencies_print(*c, level, branches, to_print == 0, times, boot);
+                if (r < 0)
+                        return r;
+
+                if (strv_contains(*units, *c)) {
+                        r = list_dependencies_print("...", level + 1, (branches << 1) | (to_print ? 1 : 0),
+                                                    true, NULL, boot);
+                        if (r < 0)
+                                return r;
+                        continue;
+                }
+
+                r = list_dependencies_one(bus, *c, level + 1, units,
+                                          (branches << 1) | (to_print ? 1 : 0));
+                if (r < 0)
+                        return r;
+
+                if (!to_print)
+                        break;
+        }
+        return 0;
+}
+
+static int list_dependencies(sd_bus *bus, const char *name) {
+        _cleanup_strv_free_ char **units = NULL;
+        char ts[FORMAT_TIMESPAN_MAX];
+        struct unit_times *times;
+        int r;
+        const char *id;
+        _cleanup_free_ char *path = NULL;
+        _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
+        _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+        struct boot_times *boot;
+
+        assert(bus);
+
+        path = unit_dbus_path_from_name(name);
+        if (path == NULL)
+                return -ENOMEM;
+
+        r = sd_bus_get_property(
+                        bus,
+                        "org.freedesktop.systemd1",
+                        path,
+                        "org.freedesktop.systemd1.Unit",
+                        "Id",
+                        &error,
+                        &reply,
+                        "s");
+        if (r < 0) {
+                log_error("Failed to get ID: %s", bus_error_message(&error, -r));
+                return r;
+        }
+
+        r = sd_bus_message_read(reply, "s", &id);
+        if (r < 0)
+                return bus_log_parse_error(r);
+
+        times = hashmap_get(unit_times_hashmap, id);
+
+        r = acquire_boot_times(bus, &boot);
+        if (r < 0)
+                return r;
+
+        if (times) {
+                if (times->time)
+                        printf("%s%s +%s%s\n", ANSI_HIGHLIGHT_RED, id,
+                               format_timespan(ts, sizeof(ts), times->time, USEC_PER_MSEC), ANSI_NORMAL);
+                else if (times->activated > boot->userspace_time)
+                        printf("%s @%s\n", id, format_timespan(ts, sizeof(ts), times->activated - boot->userspace_time, USEC_PER_MSEC));
+                else
+                        printf("%s\n", id);
+        }
+
+        return list_dependencies_one(bus, name, 0, &units, 0);
+}
+
+static int analyze_critical_chain(sd_bus *bus, char *names[]) {
+        struct unit_times *times;
+        unsigned int i;
+        Hashmap *h;
+        int n, r;
+
+        n = acquire_time_data(bus, &times);
+        if (n <= 0)
+                return n;
+
+        h = hashmap_new(&string_hash_ops);
+        if (!h)
+                return -ENOMEM;
+
+        for (i = 0; i < (unsigned)n; i++) {
+                r = hashmap_put(h, times[i].name, &times[i]);
+                if (r < 0)
+                        return r;
+        }
+        unit_times_hashmap = h;
+
+        pager_open_if_enabled();
+
+        puts("The time after the unit is active or started is printed after the \"@\" character.\n"
+             "The time the unit takes to start is printed after the \"+\" character.\n");
+
+        if (!strv_isempty(names)) {
+                char **name;
+                STRV_FOREACH(name, names)
+                        list_dependencies(bus, *name);
+        } else
+                list_dependencies(bus, SPECIAL_DEFAULT_TARGET);
+
+        hashmap_free(h);
+        free_unit_times(times, (unsigned) n);
+        return 0;
+}
+
+static int analyze_blame(sd_bus *bus) {
+        struct unit_times *times;
+        unsigned i;
+        int n;
+
+        n = acquire_time_data(bus, &times);
+        if (n <= 0)
+                return n;
+
+        qsort(times, n, sizeof(struct unit_times), compare_unit_time);
+
+        pager_open_if_enabled();
+
+        for (i = 0; i < (unsigned) n; i++) {
+                char ts[FORMAT_TIMESPAN_MAX];
+
+                if (times[i].time > 0)
+                        printf("%16s %s\n", format_timespan(ts, sizeof(ts), times[i].time, USEC_PER_MSEC), times[i].name);
+        }
+
+        free_unit_times(times, (unsigned) n);
+        return 0;
+}
+
+static int analyze_time(sd_bus *bus) {
+        _cleanup_free_ char *buf = NULL;
+        int r;
+
+        r = pretty_boot_time(bus, &buf);
+        if (r < 0)
+                return r;
+
+        puts(buf);
+        return 0;
+}
+
+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[]) {
+        _cleanup_strv_free_ char **units = NULL;
+        char **unit;
+        int r;
+        bool match_patterns;
+
+        assert(u);
+        assert(prop);
+        assert(color);
+
+        match_patterns = strv_fnmatch(patterns, u->id, 0);
+
+        if (!strv_isempty(from_patterns) &&
+            !match_patterns &&
+            !strv_fnmatch(from_patterns, u->id, 0))
+                        return 0;
+
+        r = bus_get_unit_property_strv(bus, u->unit_path, prop, &units);
+        if (r < 0)
+                return r;
+
+        STRV_FOREACH(unit, units) {
+                bool match_patterns2;
+
+                match_patterns2 = strv_fnmatch(patterns, *unit, 0);
+
+                if (!strv_isempty(to_patterns) &&
+                    !match_patterns2 &&
+                    !strv_fnmatch(to_patterns, *unit, 0))
+                        continue;
+
+                if (!strv_isempty(patterns) && !match_patterns && !match_patterns2)
+                        continue;
+
+                printf("\t\"%s\"->\"%s\" [color=\"%s\"];\n", u->id, *unit, color);
+        }
+
+        return 0;
+}
+
+static int graph_one(sd_bus *bus, const UnitInfo *u, char *patterns[], char *from_patterns[], char *to_patterns[]) {
+        int r;
+
+        assert(bus);
+        assert(u);
+
+        if (IN_SET(arg_dot, DEP_ORDER, DEP_ALL)) {
+                r = graph_one_property(bus, u, "After", "green", patterns, from_patterns, to_patterns);
+                if (r < 0)
+                        return r;
+        }
+
+        if (IN_SET(arg_dot, DEP_REQUIRE, DEP_ALL)) {
+                r = graph_one_property(bus, u, "Requires", "black", patterns, from_patterns, to_patterns);
+                if (r < 0)
+                        return r;
+                r = graph_one_property(bus, u, "Requisite", "darkblue", patterns, from_patterns, to_patterns);
+                if (r < 0)
+                        return r;
+                r = graph_one_property(bus, u, "Wants", "grey66", patterns, from_patterns, to_patterns);
+                if (r < 0)
+                        return r;
+                r = graph_one_property(bus, u, "Conflicts", "red", patterns, from_patterns, to_patterns);
+                if (r < 0)
+                        return r;
+        }
+
+        return 0;
+}
+
+static int expand_patterns(sd_bus *bus, char **patterns, char ***ret) {
+        _cleanup_strv_free_ char **expanded_patterns = NULL;
+        char **pattern;
+        int r;
+
+        STRV_FOREACH(pattern, patterns) {
+                _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+                _cleanup_free_ char *unit = NULL, *unit_id = NULL;
+
+                if (strv_extend(&expanded_patterns, *pattern) < 0)
+                        return log_oom();
+
+                if (string_is_glob(*pattern))
+                        continue;
+
+                unit = unit_dbus_path_from_name(*pattern);
+                if (!unit)
+                        return log_oom();
+
+                r = sd_bus_get_property_string(
+                                bus,
+                                "org.freedesktop.systemd1",
+                                unit,
+                                "org.freedesktop.systemd1.Unit",
+                                "Id",
+                                &error,
+                                &unit_id);
+                if (r < 0)
+                        return log_error_errno(r, "Failed to get ID: %s", bus_error_message(&error, r));
+
+                if (!streq(*pattern, unit_id)) {
+                        if (strv_extend(&expanded_patterns, unit_id) < 0)
+                                return log_oom();
+                }
+        }
+
+        *ret = expanded_patterns;
+        expanded_patterns = NULL; /* do not free */
+
+        return 0;
+}
+
+static int dot(sd_bus *bus, char* patterns[]) {
+        _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
+        _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+        _cleanup_strv_free_ char **expanded_patterns = NULL;
+        _cleanup_strv_free_ char **expanded_from_patterns = NULL;
+        _cleanup_strv_free_ char **expanded_to_patterns = NULL;
+        int r;
+        UnitInfo u;
+
+        r = expand_patterns(bus, patterns, &expanded_patterns);
+        if (r < 0)
+                return r;
+
+        r = expand_patterns(bus, arg_dot_from_patterns, &expanded_from_patterns);
+        if (r < 0)
+                return r;
+
+        r = expand_patterns(bus, arg_dot_to_patterns, &expanded_to_patterns);
+        if (r < 0)
+                return r;
+
+        r = sd_bus_call_method(
+                        bus,
+                       "org.freedesktop.systemd1",
+                       "/org/freedesktop/systemd1",
+                       "org.freedesktop.systemd1.Manager",
+                       "ListUnits",
+                       &error,
+                       &reply,
+                       "");
+        if (r < 0) {
+                log_error("Failed to list units: %s", bus_error_message(&error, -r));
+                return r;
+        }
+
+        r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssssssouso)");
+        if (r < 0)
+                return bus_log_parse_error(r);
+
+        printf("digraph systemd {\n");
+
+        while ((r = bus_parse_unit_info(reply, &u)) > 0) {
+
+                r = graph_one(bus, &u, expanded_patterns, expanded_from_patterns, expanded_to_patterns);
+                if (r < 0)
+                        return r;
+        }
+        if (r < 0)
+                return bus_log_parse_error(r);
+
+        printf("}\n");
+
+        log_info("   Color legend: black     = Requires\n"
+                 "                 dark blue = Requisite\n"
+                 "                 dark grey = Wants\n"
+                 "                 red       = Conflicts\n"
+                 "                 green     = After\n");
+
+        if (on_tty())
+                log_notice("-- You probably want to process this output with graphviz' dot tool.\n"
+                           "-- Try a shell pipeline like 'systemd-analyze dot | dot -Tsvg > systemd.svg'!\n");
+
+        return 0;
+}
+
+static int dump(sd_bus *bus, char **args) {
+        _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
+        _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+        const char *text = NULL;
+        int r;
+
+        if (!strv_isempty(args)) {
+                log_error("Too many arguments.");
+                return -E2BIG;
+        }
+
+        pager_open_if_enabled();
+
+        r = sd_bus_call_method(
+                        bus,
+                       "org.freedesktop.systemd1",
+                       "/org/freedesktop/systemd1",
+                       "org.freedesktop.systemd1.Manager",
+                       "Dump",
+                       &error,
+                       &reply,
+                       "");
+        if (r < 0)
+                return log_error_errno(r, "Failed issue method call: %s", bus_error_message(&error, r));
+
+        r = sd_bus_message_read(reply, "s", &text);
+        if (r < 0)
+                return bus_log_parse_error(r);
+
+        fputs(text, stdout);
+        return 0;
+}
+
+static int set_log_level(sd_bus *bus, char **args) {
+        _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+        int r;
+
+        assert(bus);
+        assert(args);
+
+        if (strv_length(args) != 1) {
+                log_error("This command expects one argument only.");
+                return -E2BIG;
+        }
+
+        r = sd_bus_set_property(
+                        bus,
+                        "org.freedesktop.systemd1",
+                        "/org/freedesktop/systemd1",
+                        "org.freedesktop.systemd1.Manager",
+                        "LogLevel",
+                        &error,
+                        "s",
+                        args[0]);
+        if (r < 0)
+                return log_error_errno(r, "Failed to issue method call: %s", bus_error_message(&error, r));
+
+        return 0;
+}
+
+static int set_log_target(sd_bus *bus, char **args) {
+        _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+        int r;
+
+        assert(bus);
+        assert(args);
+
+        if (strv_length(args) != 1) {
+                log_error("This command expects one argument only.");
+                return -E2BIG;
+        }
+
+        r = sd_bus_set_property(
+                        bus,
+                        "org.freedesktop.systemd1",
+                        "/org/freedesktop/systemd1",
+                        "org.freedesktop.systemd1.Manager",
+                        "LogTarget",
+                        &error,
+                        "s",
+                        args[0]);
+        if (r < 0)
+                return log_error_errno(r, "Failed to issue method call: %s", bus_error_message(&error, r));
+
+        return 0;
+}
+
+static void help(void) {
+
+        pager_open_if_enabled();
+
+        printf("%s [OPTIONS...] {COMMAND} ...\n\n"
+               "Profile systemd, show unit dependencies, check unit files.\n\n"
+               "  -h --help               Show this help\n"
+               "     --version            Show package version\n"
+               "     --no-pager           Do not pipe output into a pager\n"
+               "     --system             Operate on system systemd instance\n"
+               "     --user               Operate on user systemd instance\n"
+               "  -H --host=[USER@]HOST   Operate on remote host\n"
+               "  -M --machine=CONTAINER  Operate on local container\n"
+               "     --order              Show only order in the graph\n"
+               "     --require            Show only requirement in the graph\n"
+               "     --from-pattern=GLOB  Show only origins in the graph\n"
+               "     --to-pattern=GLOB    Show only destinations in the graph\n"
+               "     --fuzz=SECONDS       Also print also services which finished SECONDS\n"
+               "                          earlier than the latest in the branch\n"
+               "     --man[=BOOL]         Do [not] check for existence of man pages\n\n"
+               "Commands:\n"
+               "  time                    Print time spent in the kernel\n"
+               "  blame                   Print list of running units ordered by time to init\n"
+               "  critical-chain          Print a tree of the time critical chain of units\n"
+               "  plot                    Output SVG graphic showing service initialization\n"
+               "  dot                     Output dependency graph in dot(1) format\n"
+               "  set-log-level LEVEL     Set logging threshold for manager\n"
+               "  set-log-target TARGET   Set logging target for manager\n"
+               "  dump                    Output state serialization of service manager\n"
+               "  verify FILE...          Check unit files for correctness\n"
+               , program_invocation_short_name);
+
+        /* When updating this list, including descriptions, apply
+         * changes to shell-completion/bash/systemd-analyze and
+         * shell-completion/zsh/_systemd-analyze too. */
+}
+
+static int parse_argv(int argc, char *argv[]) {
+        enum {
+                ARG_VERSION = 0x100,
+                ARG_ORDER,
+                ARG_REQUIRE,
+                ARG_USER,
+                ARG_SYSTEM,
+                ARG_DOT_FROM_PATTERN,
+                ARG_DOT_TO_PATTERN,
+                ARG_FUZZ,
+                ARG_NO_PAGER,
+                ARG_MAN,
+        };
+
+        static const struct option options[] = {
+                { "help",         no_argument,       NULL, 'h'                  },
+                { "version",      no_argument,       NULL, ARG_VERSION          },
+                { "order",        no_argument,       NULL, ARG_ORDER            },
+                { "require",      no_argument,       NULL, ARG_REQUIRE          },
+                { "user",         no_argument,       NULL, ARG_USER             },
+                { "system",       no_argument,       NULL, ARG_SYSTEM           },
+                { "from-pattern", required_argument, NULL, ARG_DOT_FROM_PATTERN },
+                { "to-pattern",   required_argument, NULL, ARG_DOT_TO_PATTERN   },
+                { "fuzz",         required_argument, NULL, ARG_FUZZ             },
+                { "no-pager",     no_argument,       NULL, ARG_NO_PAGER         },
+                { "man",          optional_argument, NULL, ARG_MAN              },
+                { "host",         required_argument, NULL, 'H'                  },
+                { "machine",      required_argument, NULL, 'M'                  },
+                {}
+        };
+
+        int r, c;
+
+        assert(argc >= 0);
+        assert(argv);
+
+        while ((c = getopt_long(argc, argv, "hH:M:", options, NULL)) >= 0)
+                switch (c) {
+
+                case 'h':
+                        help();
+                        return 0;
+
+                case ARG_VERSION:
+                        return version();
+
+                case ARG_USER:
+                        arg_user = true;
+                        break;
+
+                case ARG_SYSTEM:
+                        arg_user = false;
+                        break;
+
+                case ARG_ORDER:
+                        arg_dot = DEP_ORDER;
+                        break;
+
+                case ARG_REQUIRE:
+                        arg_dot = DEP_REQUIRE;
+                        break;
+
+                case ARG_DOT_FROM_PATTERN:
+                        if (strv_extend(&arg_dot_from_patterns, optarg) < 0)
+                                return log_oom();
+
+                        break;
+
+                case ARG_DOT_TO_PATTERN:
+                        if (strv_extend(&arg_dot_to_patterns, optarg) < 0)
+                                return log_oom();
+
+                        break;
+
+                case ARG_FUZZ:
+                        r = parse_sec(optarg, &arg_fuzz);
+                        if (r < 0)
+                                return r;
+                        break;
+
+                case ARG_NO_PAGER:
+                        arg_no_pager = true;
+                        break;
+
+                case 'H':
+                        arg_transport = BUS_TRANSPORT_REMOTE;
+                        arg_host = optarg;
+                        break;
+
+                case 'M':
+                        arg_transport = BUS_TRANSPORT_MACHINE;
+                        arg_host = optarg;
+                        break;
+
+                case ARG_MAN:
+                        if (optarg) {
+                                r = parse_boolean(optarg);
+                                if (r < 0) {
+                                        log_error("Failed to parse --man= argument.");
+                                        return -EINVAL;
+                                }
+
+                                arg_man = !!r;
+                        } else
+                                arg_man = true;
+
+                        break;
+
+                case '?':
+                        return -EINVAL;
+
+                default:
+                        assert_not_reached("Unhandled option code.");
+                }
+
+        return 1; /* work to do */
+}
+
+int main(int argc, char *argv[]) {
+        int r;
+
+        setlocale(LC_ALL, "");
+        setlocale(LC_NUMERIC, "C"); /* we want to format/parse floats in C style */
+        log_parse_environment();
+        log_open();
+
+        r = parse_argv(argc, argv);
+        if (r <= 0)
+                goto finish;
+
+        if (streq_ptr(argv[optind], "verify"))
+                r = verify_units(argv+optind+1,
+                                 arg_user ? MANAGER_USER : MANAGER_SYSTEM,
+                                 arg_man);
+        else {
+                _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
+
+                r = bus_connect_transport_systemd(arg_transport, arg_host, arg_user, &bus);
+                if (r < 0) {
+                        log_error_errno(r, "Failed to create bus connection: %m");
+                        goto finish;
+                }
+
+                if (!argv[optind] || streq(argv[optind], "time"))
+                        r = analyze_time(bus);
+                else if (streq(argv[optind], "blame"))
+                        r = analyze_blame(bus);
+                else if (streq(argv[optind], "critical-chain"))
+                        r = analyze_critical_chain(bus, argv+optind+1);
+                else if (streq(argv[optind], "plot"))
+                        r = analyze_plot(bus);
+                else if (streq(argv[optind], "dot"))
+                        r = dot(bus, argv+optind+1);
+                else if (streq(argv[optind], "dump"))
+                        r = dump(bus, argv+optind+1);
+                else if (streq(argv[optind], "set-log-level"))
+                        r = set_log_level(bus, argv+optind+1);
+                else if (streq(argv[optind], "set-log-target"))
+                        r = set_log_target(bus, argv+optind+1);
+                else
+                        log_error("Unknown operation '%s'.", argv[optind]);
+        }
+
+finish:
+        pager_close();
+
+        strv_free(arg_dot_from_patterns);
+        strv_free(arg_dot_to_patterns);
+
+        return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
+}