#include <stdio.h>

#include <stdlib.h>

#include <getopt.h>

#include <locale.h>

#include <sys/utsname.h>

#include <fnmatch.h>

#include "sd-bus.h"

#include "bus-util.h"

#include "bus-error.h"

#include "install.h"

#include "log.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"

#include "analyze-verify.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;

};

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_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_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 int acquire_time_data(sd_bus *bus, struct unit_times **out) {

_cleanup_bus_message_unref_ sd_bus_message *reply = NULL;

_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;

int r, c = 0;

struct unit_times *unit_times = NULL;

size_t size = 0;

UnitInfo u;

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;

}

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:

free_unit_times(unit_times, (unsigned) c);

return r;

}

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 (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) {

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);

}

static int acquire_host_info(sd_bus *bus, struct host_info **hi) {

int r;

struct host_info *host;

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) },

{}

};

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)

goto fail;

r = bus_map_all_properties(bus,

"org.freedesktop.systemd1",

"/org/freedesktop/systemd1",

manager_map,

host);

if (r < 0)

goto fail;

*hi = host;

return 0;

fail:

free_host_info(host);

return r;

}

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));

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(sd_bus *bus) {

struct unit_times *times;

struct boot_times *boot;

struct host_info *host = NULL;

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)

goto out;

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) {

free(u->name);

u->name = NULL;

continue;

}

/* If the text cannot fit on the left side then

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) ? "Linux" : host->os_pretty_name,

isempty(host->hostname) ? "" : host->hostname,

isempty(host->kernel_name) ? "" : host->kernel_name,

isempty(host->kernel_release) ? "" : host->kernel_release,

isempty(host->kernel_version) ? "" : host->kernel_version,

isempty(host->architecture) ? "" : host->architecture,

isempty(host->virtualization) ? "" : 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;

out:

free_host_info(host);

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_ON, 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_HIGHLIGHT_OFF);

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 *path, *id;

_cleanup_bus_message_unref_ sd_bus_message *reply = NULL;

_cleanup_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_ON, id,

format_timespan(ts, sizeof(ts), times->time, USEC_PER_MSEC), ANSI_HIGHLIGHT_OFF);

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_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(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[]) {

_cleanup_strv_free_ char **units = NULL;

char **unit;

int r;

assert(u);

assert(prop);

assert(color);

r = bus_get_unit_property_strv(bus, u->unit_path, prop, &units);

if (r < 0)

return r;

STRV_FOREACH(unit, units) {

char **p;

bool match_found;

if (!strv_isempty(arg_dot_from_patterns)) {

match_found = false;

STRV_FOREACH(p, arg_dot_from_patterns)

if (fnmatch(*p, u->id, 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, *unit, 0) == 0) {

match_found = true;

break;

}

if (!match_found)

continue;

}

if (!strv_isempty(patterns)) {

match_found = false;

STRV_FOREACH(p, patterns)

if (fnmatch(*p, u->id, 0) == 0 || fnmatch(*p, *unit, 0) == 0) {

match_found = true;

break;

}

if (!match_found)

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[]) {

int r;

assert(bus);

assert(u);

if (arg_dot == DEP_ORDER ||arg_dot == DEP_ALL) {

r = graph_one_property(bus, u, "After", "green", patterns);

if (r < 0)

return r;

}

if (arg_dot == DEP_REQUIRE ||arg_dot == DEP_ALL) {

r = graph_one_property(bus, u, "Requires", "black", patterns);

if (r < 0)

return r;

r = graph_one_property(bus, u, "RequiresOverridable", "black", patterns);

if (r < 0)

return r;

r = graph_one_property(bus, u, "RequisiteOverridable", "darkblue", patterns);

if (r < 0)

return r;

r = graph_one_property(bus, u, "Wants", "grey66", patterns);

if (r < 0)

return r;

r = graph_one_property(bus, u, "Conflicts", "red", patterns);

if (r < 0)

return r;

r = graph_one_property(bus, u, "ConflictedBy", "red", patterns);

if (r < 0)

return r;

}

return 0;

}

static int dot(sd_bus *bus, char* patterns[]) {

_cleanup_bus_message_unref_ sd_bus_message *reply = NULL;

_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;

int r;

UnitInfo u;

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, 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_bus_message_unref_ sd_bus_message *reply = NULL;

_cleanup_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) {

log_error("Failed issue method call: %s", bus_error_message(&error, -r));

return 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_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) {

log_error("Failed to issue method call: %s", bus_error_message(&error, -r));

return -EIO;

}

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 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\n"

" --no-man Do not check for existence of man pages\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"

" verify Check unit files for correctness\n"

, program_invocation_short_name);

/* When updating this list, including descriptions, apply

}

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_NO_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 },

{ "host", required_argument, NULL, 'H' },

{ "machine", required_argument, NULL, 'M' },

{}

};

int r, c;

assert(argc >= 0);

assert(argv);

opterr = 0;

while ((c = getopt_long(argc, argv, "hH:M:", options, NULL)) >= 0) {

switch (c) {

case 'h':

help();

return 0;

case ARG_VERSION:

puts(PACKAGE_STRING);

puts(SYSTEMD_FEATURES);

return 0;

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_CONTAINER;

arg_host = optarg;

break;

case ARG_NO_MAN:

arg_man = false;

break;

case '?':

log_error("Unknown option %s.", argv[optind-1]);

return -EINVAL;

case ':':

log_error("Missing argument to %s.", argv[optind-1]);

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 ? SYSTEMD_USER : SYSTEMD_SYSTEM,

arg_man);

else {

_cleanup_bus_unref_ sd_bus *bus = NULL;

r = bus_open_transport_systemd(arg_transport, arg_host, arg_user, &bus);

if (r < 0) {

log_error("Failed to create bus connection: %s", strerror(-r));

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]);

}

finish:

pager_close();

strv_free(arg_dot_from_patterns);

strv_free(arg_dot_to_patterns);

return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;

}