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-rw-r--r--src/analyze/analyze.c1441
1 files changed, 1441 insertions, 0 deletions
diff --git a/src/analyze/analyze.c b/src/analyze/analyze.c
new file mode 100644
index 0000000000..0cc4de76cd
--- /dev/null
+++ b/src/analyze/analyze.c
@@ -0,0 +1,1441 @@
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+
+/***
+ 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 <stdio.h>
+#include <stdlib.h>
+#include <getopt.h>
+#include <locale.h>
+#include <sys/utsname.h>
+#include <fnmatch.h>
+
+#include "install.h"
+#include "log.h"
+#include "dbus-common.h"
+#include "build.h"
+#include "util.h"
+#include "strxcpyx.h"
+#include "fileio.h"
+#include "strv.h"
+#include "unit-name.h"
+#include "special.h"
+#include "hashmap.h"
+#include "pager.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 UnitFileScope arg_scope = UNIT_FILE_SYSTEM;
+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;
+
+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 generators_start_time;
+ usec_t generators_finish_time;
+ usec_t unitsload_start_time;
+ usec_t unitsload_finish_time;
+};
+
+struct unit_times {
+ char *name;
+ usec_t ixt;
+ usec_t iet;
+ usec_t axt;
+ usec_t aet;
+ usec_t time;
+};
+
+static void pager_open_if_enabled(void) {
+
+ if (arg_no_pager)
+ return;
+
+ pager_open(false);
+}
+
+static int bus_get_uint64_property(DBusConnection *bus, const char *path, const char *interface, const char *property, uint64_t *val) {
+ _cleanup_dbus_message_unref_ DBusMessage *reply = NULL;
+ DBusMessageIter iter, sub;
+ int r;
+
+ r = bus_method_call_with_reply(
+ bus,
+ "org.freedesktop.systemd1",
+ path,
+ "org.freedesktop.DBus.Properties",
+ "Get",
+ &reply,
+ NULL,
+ DBUS_TYPE_STRING, &interface,
+ DBUS_TYPE_STRING, &property,
+ DBUS_TYPE_INVALID);
+ if (r < 0)
+ return r;
+
+ if (!dbus_message_iter_init(reply, &iter) ||
+ dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_VARIANT) {
+ log_error("Failed to parse reply.");
+ return -EIO;
+ }
+
+ dbus_message_iter_recurse(&iter, &sub);
+
+ if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_UINT64) {
+ log_error("Failed to parse reply.");
+ return -EIO;
+ }
+
+ dbus_message_iter_get_basic(&sub, val);
+
+ 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)->ixt,
+ ((struct unit_times *)b)->ixt);
+}
+
+static int get_os_name(char **_n) {
+ char *n = NULL;
+ int r;
+
+ r = parse_env_file("/etc/os-release", NEWLINE, "PRETTY_NAME", &n, NULL);
+ if (r < 0)
+ return r;
+
+ if (!n)
+ return -ENOENT;
+
+ *_n = n;
+ return 0;
+}
+
+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 int acquire_time_data(DBusConnection *bus, struct unit_times **out) {
+ _cleanup_dbus_message_unref_ DBusMessage *reply = NULL;
+ DBusMessageIter iter, sub;
+ int r, c = 0, n_units = 0;
+ struct unit_times *unit_times = NULL;
+
+ r = bus_method_call_with_reply(
+ bus,
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager",
+ "ListUnits",
+ &reply,
+ NULL,
+ DBUS_TYPE_INVALID);
+ if (r < 0)
+ goto fail;
+
+ if (!dbus_message_iter_init(reply, &iter) ||
+ dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY ||
+ dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_STRUCT) {
+ log_error("Failed to parse reply.");
+ r = -EIO;
+ goto fail;
+ }
+
+ for (dbus_message_iter_recurse(&iter, &sub);
+ dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID;
+ dbus_message_iter_next(&sub)) {
+ struct unit_info u;
+ struct unit_times *t;
+
+ if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_STRUCT) {
+ log_error("Failed to parse reply.");
+ r = -EIO;
+ goto fail;
+ }
+
+ if (c >= n_units) {
+ struct unit_times *w;
+
+ n_units = MAX(2*c, 16);
+ w = realloc(unit_times, sizeof(struct unit_times) * n_units);
+
+ if (!w) {
+ r = log_oom();
+ goto fail;
+ }
+
+ unit_times = w;
+ }
+ t = unit_times+c;
+ t->name = NULL;
+
+ r = bus_parse_unit_info(&sub, &u);
+ if (r < 0)
+ goto fail;
+
+ assert_cc(sizeof(usec_t) == sizeof(uint64_t));
+
+ if (bus_get_uint64_property(bus, u.unit_path,
+ "org.freedesktop.systemd1.Unit",
+ "InactiveExitTimestampMonotonic",
+ &t->ixt) < 0 ||
+ bus_get_uint64_property(bus, u.unit_path,
+ "org.freedesktop.systemd1.Unit",
+ "ActiveEnterTimestampMonotonic",
+ &t->aet) < 0 ||
+ bus_get_uint64_property(bus, u.unit_path,
+ "org.freedesktop.systemd1.Unit",
+ "ActiveExitTimestampMonotonic",
+ &t->axt) < 0 ||
+ bus_get_uint64_property(bus, u.unit_path,
+ "org.freedesktop.systemd1.Unit",
+ "InactiveEnterTimestampMonotonic",
+ &t->iet) < 0) {
+ r = -EIO;
+ goto fail;
+ }
+
+ if (t->aet >= t->ixt)
+ t->time = t->aet - t->ixt;
+ else if (t->iet >= t->ixt)
+ t->time = t->iet - t->ixt;
+ else
+ t->time = 0;
+
+ if (t->ixt == 0)
+ continue;
+
+ t->name = strdup(u.id);
+ if (t->name == NULL) {
+ r = log_oom();
+ goto fail;
+ }
+ c++;
+ }
+
+ *out = unit_times;
+ return c;
+
+fail:
+ free_unit_times(unit_times, (unsigned) c);
+ return r;
+}
+
+static int acquire_boot_times(DBusConnection *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",
+ "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 -EAGAIN;
+ }
+
+ 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 int pretty_boot_time(DBusConnection *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));
+ if (t->kernel_time > 0)
+ strpcpyf(&ptr, size, "= %s", format_timespan(ts, sizeof(ts), t->firmware_time + t->finish_time, USEC_PER_MSEC));
+ else
+ strpcpyf(&ptr, size, "= %s", format_timespan(ts, sizeof(ts), t->finish_time - t->userspace_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(DBusConnection *bus) {
+ struct unit_times *times;
+ struct boot_times *boot;
+ struct utsname name;
+ int n, m = 1, y=0;
+ double width;
+ _cleanup_free_ char *pretty_times = NULL, *osname = 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;
+
+ get_os_name(&osname);
+ assert_se(uname(&name) >= 0);
+
+ 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 len;
+
+ if (u->ixt < boot->userspace_time ||
+ u->ixt > boot->finish_time) {
+ free(u->name);
+ u->name = NULL;
+ continue;
+ }
+ len = ((boot->firmware_time + u->ixt) * SCALE_X)
+ + (10.0 * strlen(u->name));
+ if (len > width)
+ width = len;
+
+ if (u->iet > u->ixt && u->iet <= boot->finish_time
+ && u->aet == 0 && u->axt == 0)
+ u->aet = u->axt = u->iet;
+ if (u->aet < u->ixt || u->aet > boot->finish_time)
+ u->aet = boot->finish_time;
+ if (u->axt < u->aet || u->aet > boot->finish_time)
+ u->axt = boot->finish_time;
+ if (u->iet < u->axt || u->iet > boot->finish_time)
+ u->iet = 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.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</text>",
+ isempty(osname) ? "Linux" : osname,
+ name.nodename, name.release, name.version, name.machine);
+
+ svg("<g transform=\"translate(%.3f,100)\">\n", 20.0 + (SCALE_X * boot->firmware_time));
+ svg_graph_box(m, -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("generators", boot->generators_start_time, boot->generators_finish_time, y);
+ svg_bar("unitsload", boot->unitsload_start_time, boot->unitsload_finish_time, y);
+ svg_text("left", 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->ixt, u->aet, y);
+ svg_bar("active", u->aet, u->axt, y);
+ svg_bar("deactivating", u->axt, u->iet, y);
+
+ b = u->ixt * SCALE_X > width * 2 / 3;
+ if (u->time)
+ svg_text(b, u->ixt, y, "%s (%s)",
+ u->name, format_timespan(ts, sizeof(ts), u->time, USEC_PER_MSEC));
+ else
+ svg_text(b, u->ixt, y, "%s", u->name);
+ y++;
+ }
+
+ /* Legend */
+ y++;
+ svg_bar("activating", 0, 300000, y);
+ svg_text("right", 400000, y, "Activating");
+ y++;
+ svg_bar("active", 0, 300000, y);
+ svg_text("right", 400000, y, "Active");
+ y++;
+ svg_bar("deactivating", 0, 300000, y);
+ svg_text("right", 400000, y, "Deactivating");
+ y++;
+ svg_bar("generators", 0, 300000, y);
+ svg_text("right", 400000, y, "Generators");
+ y++;
+ svg_bar("unitsload", 0, 300000, y);
+ svg_text("right", 400000, y, "Loading unit files");
+ y++;
+
+ svg("</g>\n\n");
+
+ svg("</svg>");
+
+ free_unit_times(times, (unsigned) n);
+
+ return 0;
+}
+
+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_VERT : 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_ON, name,
+ format_timespan(ts, sizeof(ts), times->ixt - boot->userspace_time, USEC_PER_MSEC),
+ format_timespan(ts2, sizeof(ts2), times->time, USEC_PER_MSEC), ANSI_HIGHLIGHT_OFF);
+ else if (times->aet > boot->userspace_time)
+ printf("%s @%s", name, format_timespan(ts, sizeof(ts), times->aet - boot->userspace_time, USEC_PER_MSEC));
+ else
+ printf("%s", name);
+ } else printf("%s", name);
+ printf("\n");
+
+ return 0;
+}
+
+static int list_dependencies_get_dependencies(DBusConnection *bus, const char *name, char ***deps) {
+ static const char dependencies[] =
+ "After\0";
+
+ _cleanup_free_ char *path;
+ const char *interface = "org.freedesktop.systemd1.Unit";
+
+ _cleanup_dbus_message_unref_ DBusMessage *reply = NULL;
+ DBusMessageIter iter, sub, sub2, sub3;
+
+ int r = 0;
+ char **ret = NULL;
+
+ assert(bus);
+ assert(name);
+ assert(deps);
+
+ path = unit_dbus_path_from_name(name);
+ if (path == NULL) {
+ r = -EINVAL;
+ goto finish;
+ }
+
+ r = bus_method_call_with_reply(
+ bus,
+ "org.freedesktop.systemd1",
+ path,
+ "org.freedesktop.DBus.Properties",
+ "GetAll",
+ &reply,
+ NULL,
+ DBUS_TYPE_STRING, &interface,
+ DBUS_TYPE_INVALID);
+ if (r < 0)
+ goto finish;
+
+ if (!dbus_message_iter_init(reply, &iter) ||
+ dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY ||
+ dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_DICT_ENTRY) {
+ log_error("Failed to parse reply.");
+ r = -EIO;
+ goto finish;
+ }
+
+ dbus_message_iter_recurse(&iter, &sub);
+
+ while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) {
+ const char *prop;
+
+ assert(dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_DICT_ENTRY);
+ dbus_message_iter_recurse(&sub, &sub2);
+
+ if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &prop, true) < 0) {
+ log_error("Failed to parse reply.");
+ r = -EIO;
+ goto finish;
+ }
+
+ if (dbus_message_iter_get_arg_type(&sub2) != DBUS_TYPE_VARIANT) {
+ log_error("Failed to parse reply.");
+ r = -EIO;
+ goto finish;
+ }
+
+ dbus_message_iter_recurse(&sub2, &sub3);
+ dbus_message_iter_next(&sub);
+
+ if (!nulstr_contains(dependencies, prop))
+ continue;
+
+ if (dbus_message_iter_get_arg_type(&sub3) == DBUS_TYPE_ARRAY) {
+ if (dbus_message_iter_get_element_type(&sub3) == DBUS_TYPE_STRING) {
+ DBusMessageIter sub4;
+ dbus_message_iter_recurse(&sub3, &sub4);
+
+ while (dbus_message_iter_get_arg_type(&sub4) != DBUS_TYPE_INVALID) {
+ const char *s;
+
+ assert(dbus_message_iter_get_arg_type(&sub4) == DBUS_TYPE_STRING);
+ dbus_message_iter_get_basic(&sub4, &s);
+
+ r = strv_extend(&ret, s);
+ if (r < 0) {
+ log_oom();
+ goto finish;
+ }
+
+ dbus_message_iter_next(&sub4);
+ }
+ }
+ }
+ }
+finish:
+ if (r < 0)
+ strv_free(ret);
+ else
+ *deps = ret;
+ return r;
+}
+
+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->aet;
+ times = hashmap_get(unit_times_hashmap, *b);
+ if (times)
+ usb = times->aet;
+
+ return usb - usa;
+}
+
+static int list_dependencies_one(DBusConnection *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->aet
+ && times->aet <= boot->finish_time
+ && (times->aet >= service_longest
+ || service_longest == 0)) {
+ service_longest = times->aet;
+ break;
+ }
+ }
+
+ if (service_longest == 0 )
+ return r;
+
+ STRV_FOREACH(c, deps) {
+ times = hashmap_get(unit_times_hashmap, *c);
+ if (times && times->aet
+ && times->aet <= boot->finish_time
+ && (service_longest - times->aet) <= arg_fuzz) {
+ to_print++;
+ }
+ }
+
+ if(!to_print)
+ return r;
+
+ STRV_FOREACH(c, deps) {
+ times = hashmap_get(unit_times_hashmap, *c);
+ if (!times
+ || !times->aet
+ || times->aet > boot->finish_time
+ || service_longest - times->aet > 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(DBusConnection *bus, const char *name) {
+ _cleanup_strv_free_ char **units = NULL;
+ char ts[FORMAT_TIMESPAN_MAX];
+ struct unit_times *times;
+ int r;
+ const char
+ *path, *id,
+ *interface = "org.freedesktop.systemd1.Unit",
+ *property = "Id";
+ DBusMessageIter iter, sub;
+ _cleanup_dbus_message_unref_ DBusMessage *reply = NULL;
+ struct boot_times *boot;
+
+ assert(bus);
+
+ path = unit_dbus_path_from_name(name);
+ if (path == NULL)
+ return -EINVAL;
+
+ r = bus_method_call_with_reply (
+ bus,
+ "org.freedesktop.systemd1",
+ path,
+ "org.freedesktop.DBus.Properties",
+ "Get",
+ &reply,
+ NULL,
+ DBUS_TYPE_STRING, &interface,
+ DBUS_TYPE_STRING, &property,
+ DBUS_TYPE_INVALID);
+ if (r < 0)
+ return r;
+
+ if (!dbus_message_iter_init(reply, &iter) ||
+ dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_VARIANT) {
+ log_error("Failed to parse reply.");
+ return -EIO;
+ }
+
+ dbus_message_iter_recurse(&iter, &sub);
+
+ if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_STRING) {
+ log_error("Failed to parse reply.");
+ return -EIO;
+ }
+
+ dbus_message_iter_get_basic(&sub, &id);
+
+ 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_ON, id,
+ format_timespan(ts, sizeof(ts), times->time, USEC_PER_MSEC), ANSI_HIGHLIGHT_OFF);
+ else if (times->aet > boot->userspace_time)
+ printf("%s @%s\n", id, format_timespan(ts, sizeof(ts), times->aet - 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(DBusConnection *bus, char *names[]) {
+ struct unit_times *times;
+ int n, r;
+ unsigned int i;
+ Hashmap *h;
+
+ n = acquire_time_data(bus, &times);
+ if (n <= 0)
+ return n;
+
+ h = hashmap_new(string_hash_func, string_compare_func);
+ 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(DBusConnection *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(DBusConnection *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(const char *name, const char *prop, DBusMessageIter *iter, char* patterns[]) {
+
+ static const char * const colors[] = {
+ "Requires", "[color=\"black\"]",
+ "RequiresOverridable", "[color=\"black\"]",
+ "Requisite", "[color=\"darkblue\"]",
+ "RequisiteOverridable", "[color=\"darkblue\"]",
+ "Wants", "[color=\"grey66\"]",
+ "Conflicts", "[color=\"red\"]",
+ "ConflictedBy", "[color=\"red\"]",
+ "After", "[color=\"green\"]"
+ };
+
+ const char *c = NULL;
+ unsigned i;
+
+ assert(name);
+ assert(prop);
+ assert(iter);
+
+ for (i = 0; i < ELEMENTSOF(colors); i += 2)
+ if (streq(colors[i], prop)) {
+ c = colors[i+1];
+ break;
+ }
+
+ if (!c)
+ return 0;
+
+ if (arg_dot != DEP_ALL)
+ if ((arg_dot == DEP_ORDER) != streq(prop, "After"))
+ return 0;
+
+ if (dbus_message_iter_get_arg_type(iter) == DBUS_TYPE_ARRAY &&
+ dbus_message_iter_get_element_type(iter) == DBUS_TYPE_STRING) {
+ DBusMessageIter sub;
+
+ dbus_message_iter_recurse(iter, &sub);
+
+ for (dbus_message_iter_recurse(iter, &sub);
+ dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID;
+ dbus_message_iter_next(&sub)) {
+ const char *s;
+ char **p;
+ bool match_found;
+
+ assert(dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRING);
+ dbus_message_iter_get_basic(&sub, &s);
+
+ if (!strv_isempty(arg_dot_from_patterns)) {
+ match_found = false;
+
+ STRV_FOREACH(p, arg_dot_from_patterns)
+ if (fnmatch(*p, name, 0) == 0) {
+ match_found = true;
+ break;
+ }
+
+ if (!match_found)
+ continue;
+ }
+
+ if (!strv_isempty(arg_dot_to_patterns)) {
+ match_found = false;
+
+ STRV_FOREACH(p, arg_dot_to_patterns)
+ if (fnmatch(*p, s, 0) == 0) {
+ match_found = true;
+ break;
+ }
+
+ if (!match_found)
+ continue;
+ }
+
+ if (!strv_isempty(patterns)) {
+ match_found = false;
+
+ STRV_FOREACH(p, patterns)
+ if (fnmatch(*p, name, 0) == 0 || fnmatch(*p, s, 0) == 0) {
+ match_found = true;
+ break;
+ }
+ if (!match_found)
+ continue;
+ }
+
+ printf("\t\"%s\"->\"%s\" %s;\n", name, s, c);
+ }
+ }
+
+ return 0;
+}
+
+static int graph_one(DBusConnection *bus, const struct unit_info *u, char *patterns[]) {
+ _cleanup_dbus_message_unref_ DBusMessage *reply = NULL;
+ const char *interface = "org.freedesktop.systemd1.Unit";
+ int r;
+ DBusMessageIter iter, sub, sub2, sub3;
+
+ assert(bus);
+ assert(u);
+
+ r = bus_method_call_with_reply(
+ bus,
+ "org.freedesktop.systemd1",
+ u->unit_path,
+ "org.freedesktop.DBus.Properties",
+ "GetAll",
+ &reply,
+ NULL,
+ DBUS_TYPE_STRING, &interface,
+ DBUS_TYPE_INVALID);
+ if (r < 0)
+ return r;
+
+ if (!dbus_message_iter_init(reply, &iter) ||
+ dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY ||
+ dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_DICT_ENTRY) {
+ log_error("Failed to parse reply.");
+ return -EIO;
+ }
+
+ for (dbus_message_iter_recurse(&iter, &sub);
+ dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID;
+ dbus_message_iter_next(&sub)) {
+ const char *prop;
+
+ assert(dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_DICT_ENTRY);
+ dbus_message_iter_recurse(&sub, &sub2);
+
+ if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &prop, true) < 0 ||
+ dbus_message_iter_get_arg_type(&sub2) != DBUS_TYPE_VARIANT) {
+ log_error("Failed to parse reply.");
+ return -EIO;
+ }
+
+ dbus_message_iter_recurse(&sub2, &sub3);
+ r = graph_one_property(u->id, prop, &sub3, patterns);
+ if (r < 0)
+ return r;
+ }
+
+ return 0;
+}
+
+static int dot(DBusConnection *bus, char* patterns[]) {
+ _cleanup_dbus_message_unref_ DBusMessage *reply = NULL;
+ DBusMessageIter iter, sub;
+ int r;
+
+ r = bus_method_call_with_reply(
+ bus,
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager",
+ "ListUnits",
+ &reply,
+ NULL,
+ DBUS_TYPE_INVALID);
+ if (r < 0)
+ return r;
+
+ if (!dbus_message_iter_init(reply, &iter) ||
+ dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY ||
+ dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_STRUCT) {
+ log_error("Failed to parse reply.");
+ return -EIO;
+ }
+
+ printf("digraph systemd {\n");
+
+ for (dbus_message_iter_recurse(&iter, &sub);
+ dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID;
+ dbus_message_iter_next(&sub)) {
+ struct unit_info u;
+
+ r = bus_parse_unit_info(&sub, &u);
+ if (r < 0)
+ return -EIO;
+
+ r = graph_one(bus, &u, patterns);
+ if (r < 0)
+ return 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(DBusConnection *bus, char **args) {
+ _cleanup_free_ DBusMessage *reply = NULL;
+ DBusError error;
+ int r;
+ const char *text;
+
+ dbus_error_init(&error);
+
+ if (!strv_isempty(args)) {
+ log_error("Too many arguments.");
+ return -E2BIG;
+ }
+
+ pager_open_if_enabled();
+
+ r = bus_method_call_with_reply(
+ bus,
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager",
+ "Dump",
+ &reply,
+ NULL,
+ DBUS_TYPE_INVALID);
+ if (r < 0)
+ return r;
+
+ if (!dbus_message_get_args(reply, &error,
+ DBUS_TYPE_STRING, &text,
+ DBUS_TYPE_INVALID)) {
+ log_error("Failed to parse reply: %s", bus_error_message(&error));
+ dbus_error_free(&error);
+ return -EIO;
+ }
+
+ fputs(text, stdout);
+ return 0;
+}
+
+static int set_log_level(DBusConnection *bus, char **args) {
+ _cleanup_dbus_error_free_ DBusError error;
+ _cleanup_dbus_message_unref_ DBusMessage *m = NULL, *reply = NULL;
+ DBusMessageIter iter, sub;
+ const char* property = "LogLevel";
+ const char* interface = "org.freedesktop.systemd1.Manager";
+ const char* value;
+
+ assert(bus);
+ assert(args);
+
+ if (strv_length(args) != 1) {
+ log_error("This command expects one argument only.");
+ return -E2BIG;
+ }
+
+ value = args[0];
+ dbus_error_init(&error);
+
+ m = dbus_message_new_method_call("org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.DBus.Properties",
+ "Set");
+ if (!m)
+ return log_oom();
+
+ dbus_message_iter_init_append(m, &iter);
+
+ if (!dbus_message_iter_append_basic(&iter, DBUS_TYPE_STRING, &interface) ||
+ !dbus_message_iter_append_basic(&iter, DBUS_TYPE_STRING, &property) ||
+ !dbus_message_iter_open_container(&iter, DBUS_TYPE_VARIANT, "s", &sub))
+ return log_oom();
+
+ if (!dbus_message_iter_append_basic(&sub, DBUS_TYPE_STRING, &value))
+ return log_oom();
+
+ if (!dbus_message_iter_close_container(&iter, &sub))
+ return log_oom();
+
+ reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error);
+ if (!reply) {
+ log_error("Failed to issue method call: %s", bus_error_message(&error));
+ return -EIO;
+ }
+
+ return 0;
+}
+
+static void analyze_help(void) {
+
+ pager_open_if_enabled();
+
+ printf("%s [OPTIONS...] {COMMAND} ...\n\n"
+ "Process systemd profiling information\n\n"
+ " -h --help Show this help\n"
+ " --version Show package version\n"
+ " --system Connect to system manager\n"
+ " --user Connect to user service manager\n"
+ " --order When generating a dependency graph, show only order\n"
+ " --require When generating a dependency graph, show only requirement\n"
+ " --from-pattern=GLOB, --to-pattern=GLOB\n"
+ " When generating a dependency graph, filter only origins\n"
+ " or destinations, respectively\n"
+ " --fuzz=TIMESPAN When printing the tree of the critical chain, print also\n"
+ " services, which finished TIMESPAN earlier, than the\n"
+ " latest in the branch. The unit of TIMESPAN is seconds\n"
+ " unless specified with a different unit, i.e. 50ms\n"
+ " --no-pager Do not pipe output into a pager\n\n"
+ "Commands:\n"
+ " time Print time spent in the kernel before reaching userspace\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 systemd\n"
+ " dump Output state serialization of service manager\n",
+ program_invocation_short_name);
+
+ /* When updating this list, including descriptions, apply
+ * changes to shell-completion/bash/systemd and
+ * shell-completion/systemd-zsh-completion.zsh too. */
+}
+
+static int parse_argv(int argc, char *argv[]) {
+ int r;
+
+ 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
+ };
+
+ 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 },
+ { NULL, 0, NULL, 0 }
+ };
+
+ assert(argc >= 0);
+ assert(argv);
+
+ for (;;) {
+ switch (getopt_long(argc, argv, "h", options, NULL)) {
+
+ case 'h':
+ analyze_help();
+ return 0;
+
+ case ARG_VERSION:
+ puts(PACKAGE_STRING "\n" SYSTEMD_FEATURES);
+ return 0;
+
+ case ARG_USER:
+ arg_scope = UNIT_FILE_USER;
+ break;
+
+ case ARG_SYSTEM:
+ arg_scope = UNIT_FILE_SYSTEM;
+ 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 -1:
+ return 1;
+
+ case '?':
+ return -EINVAL;
+
+ default:
+ assert_not_reached("Unhandled option");
+ }
+ }
+}
+
+int main(int argc, char *argv[]) {
+ int r;
+ DBusConnection *bus = NULL;
+
+ 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;
+
+ bus = dbus_bus_get(arg_scope == UNIT_FILE_SYSTEM ? DBUS_BUS_SYSTEM : DBUS_BUS_SESSION, NULL);
+ if (!bus) {
+ r = -EIO;
+ 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
+ log_error("Unknown operation '%s'.", argv[optind]);
+
+ dbus_connection_unref(bus);
+
+finish:
+ pager_close();
+
+ strv_free(arg_dot_from_patterns);
+ strv_free(arg_dot_to_patterns);
+
+ return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
+}