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analyze.c
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analyze.c
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/* SPDX-License-Identifier: LGPL-2.1-or-later */
/***
Copyright © 2013 Simon Peeters
***/
#include <getopt.h>
#include <inttypes.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include "sd-bus.h"
#include "alloc-util.h"
#include "analyze-condition.h"
#include "analyze-security.h"
#include "analyze-verify.h"
#include "build.h"
#include "bus-error.h"
#include "bus-locator.h"
#include "bus-map-properties.h"
#include "bus-unit-util.h"
#include "calendarspec.h"
#include "cap-list.h"
#include "capability-util.h"
#include "conf-files.h"
#include "copy.h"
#include "def.h"
#include "exit-status.h"
#include "fd-util.h"
#include "fileio.h"
#include "format-table.h"
#include "glob-util.h"
#include "hashmap.h"
#include "locale-util.h"
#include "log.h"
#include "main-func.h"
#include "nulstr-util.h"
#include "pager.h"
#include "parse-argument.h"
#include "parse-util.h"
#include "path-util.h"
#include "pretty-print.h"
#if HAVE_SECCOMP
# include "seccomp-util.h"
#endif
#include "sort-util.h"
#include "special.h"
#include "strv.h"
#include "strxcpyx.h"
#include "terminal-util.h"
#include "time-util.h"
#include "unit-name.h"
#include "util.h"
#include "verbs.h"
#define SCALE_X (0.1 / 1000.0) /* pixels per us */
#define SCALE_Y (20.0)
#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 PagerFlags arg_pager_flags = 0;
static BusTransport arg_transport = BUS_TRANSPORT_LOCAL;
static const char *arg_host = NULL;
static UnitFileScope arg_scope = UNIT_FILE_SYSTEM;
static bool arg_man = true;
static bool arg_generators = false;
static const char *arg_root = NULL;
static unsigned arg_iterations = 1;
static usec_t arg_base_time = USEC_INFINITY;
STATIC_DESTRUCTOR_REGISTER(arg_dot_from_patterns, strv_freep);
STATIC_DESTRUCTOR_REGISTER(arg_dot_to_patterns, strv_freep);
typedef struct BootTimes {
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;
usec_t initrd_security_start_time;
usec_t initrd_security_finish_time;
usec_t initrd_generators_start_time;
usec_t initrd_generators_finish_time;
usec_t initrd_unitsload_start_time;
usec_t initrd_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;
} BootTimes;
typedef struct UnitTimes {
bool has_data;
char *name;
usec_t activating;
usec_t activated;
usec_t deactivated;
usec_t deactivating;
usec_t time;
} UnitTimes;
typedef struct HostInfo {
char *hostname;
char *kernel_name;
char *kernel_release;
char *kernel_version;
char *os_pretty_name;
char *virtualization;
char *architecture;
} HostInfo;
static int acquire_bus(sd_bus **bus, bool *use_full_bus) {
bool user = arg_scope != UNIT_FILE_SYSTEM;
int r;
if (use_full_bus && *use_full_bus) {
r = bus_connect_transport(arg_transport, arg_host, user, bus);
if (IN_SET(r, 0, -EHOSTDOWN))
return r;
*use_full_bus = false;
}
return bus_connect_transport_systemd(arg_transport, arg_host, user, bus);
}
static int bus_get_uint64_property(sd_bus *bus, const char *path, const char *interface, const char *property, uint64_t *val) {
_cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
int r;
assert(bus);
assert(path);
assert(interface);
assert(property);
assert(val);
r = sd_bus_get_property_trivial(
bus,
"org.freedesktop.systemd1",
path,
interface,
property,
&error,
't', val);
if (r < 0)
return log_error_errno(r, "Failed to parse reply: %s", bus_error_message(&error, r));
return 0;
}
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)
return log_error_errno(r, "Failed to get unit property %s: %s", property, bus_error_message(&error, r));
return 0;
}
static int compare_unit_start(const UnitTimes *a, const UnitTimes *b) {
return CMP(a->activating, b->activating);
}
static UnitTimes* unit_times_free_array(UnitTimes *t) {
for (UnitTimes *p = t; p && p->has_data; p++)
free(p->name);
return mfree(t);
}
DEFINE_TRIVIAL_CLEANUP_FUNC(UnitTimes*, unit_times_free_array);
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, BootTimes **bt) {
static const struct bus_properties_map property_map[] = {
{ "FirmwareTimestampMonotonic", "t", NULL, offsetof(BootTimes, firmware_time) },
{ "LoaderTimestampMonotonic", "t", NULL, offsetof(BootTimes, loader_time) },
{ "KernelTimestamp", "t", NULL, offsetof(BootTimes, kernel_time) },
{ "InitRDTimestampMonotonic", "t", NULL, offsetof(BootTimes, initrd_time) },
{ "UserspaceTimestampMonotonic", "t", NULL, offsetof(BootTimes, userspace_time) },
{ "FinishTimestampMonotonic", "t", NULL, offsetof(BootTimes, finish_time) },
{ "SecurityStartTimestampMonotonic", "t", NULL, offsetof(BootTimes, security_start_time) },
{ "SecurityFinishTimestampMonotonic", "t", NULL, offsetof(BootTimes, security_finish_time) },
{ "GeneratorsStartTimestampMonotonic", "t", NULL, offsetof(BootTimes, generators_start_time) },
{ "GeneratorsFinishTimestampMonotonic", "t", NULL, offsetof(BootTimes, generators_finish_time) },
{ "UnitsLoadStartTimestampMonotonic", "t", NULL, offsetof(BootTimes, unitsload_start_time) },
{ "UnitsLoadFinishTimestampMonotonic", "t", NULL, offsetof(BootTimes, unitsload_finish_time) },
{ "InitRDSecurityStartTimestampMonotonic", "t", NULL, offsetof(BootTimes, initrd_security_start_time) },
{ "InitRDSecurityFinishTimestampMonotonic", "t", NULL, offsetof(BootTimes, initrd_security_finish_time) },
{ "InitRDGeneratorsStartTimestampMonotonic", "t", NULL, offsetof(BootTimes, initrd_generators_start_time) },
{ "InitRDGeneratorsFinishTimestampMonotonic", "t", NULL, offsetof(BootTimes, initrd_generators_finish_time) },
{ "InitRDUnitsLoadStartTimestampMonotonic", "t", NULL, offsetof(BootTimes, initrd_unitsload_start_time) },
{ "InitRDUnitsLoadFinishTimestampMonotonic", "t", NULL, offsetof(BootTimes, initrd_unitsload_finish_time) },
{},
};
_cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
static BootTimes times;
static bool cached = false;
int r;
if (cached)
goto finish;
assert_cc(sizeof(usec_t) == sizeof(uint64_t));
r = bus_map_all_properties(
bus,
"org.freedesktop.systemd1",
"/org/freedesktop/systemd1",
property_map,
BUS_MAP_STRDUP,
&error,
NULL,
×);
if (r < 0)
return log_error_errno(r, "Failed to get timestamp properties: %s", bus_error_message(&error, r));
if (times.finish_time <= 0)
return log_error_errno(SYNTHETIC_ERRNO(EINPROGRESS),
"Bootup is not yet finished (org.freedesktop.systemd1.Manager.FinishTimestampMonotonic=%"PRIu64").\n"
"Please try again later.\n"
"Hint: Use 'systemctl%s list-jobs' to see active jobs",
times.finish_time,
arg_scope == UNIT_FILE_SYSTEM ? "" : " --user");
if (arg_scope == UNIT_FILE_SYSTEM && times.security_start_time > 0) {
/* security_start_time is set when systemd is not running under container environment. */
if (times.initrd_time > 0)
times.kernel_done_time = times.initrd_time;
else
times.kernel_done_time = times.userspace_time;
} else {
/*
* User-instance-specific or container-system-specific timestamps processing
* (see comment to reverse_offset in BootTimes).
*/
times.reverse_offset = times.userspace_time;
times.firmware_time = times.loader_time = times.kernel_time = times.initrd_time =
times.userspace_time = times.security_start_time = times.security_finish_time = 0;
subtract_timestamp(×.finish_time, times.reverse_offset);
subtract_timestamp(×.generators_start_time, times.reverse_offset);
subtract_timestamp(×.generators_finish_time, times.reverse_offset);
subtract_timestamp(×.unitsload_start_time, times.reverse_offset);
subtract_timestamp(×.unitsload_finish_time, times.reverse_offset);
}
cached = true;
finish:
*bt = ×
return 0;
}
static HostInfo* free_host_info(HostInfo *hi) {
if (!hi)
return NULL;
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);
return mfree(hi);
}
DEFINE_TRIVIAL_CLEANUP_FUNC(HostInfo *, free_host_info);
static int acquire_time_data(sd_bus *bus, UnitTimes **out) {
static const struct bus_properties_map property_map[] = {
{ "InactiveExitTimestampMonotonic", "t", NULL, offsetof(UnitTimes, activating) },
{ "ActiveEnterTimestampMonotonic", "t", NULL, offsetof(UnitTimes, activated) },
{ "ActiveExitTimestampMonotonic", "t", NULL, offsetof(UnitTimes, deactivating) },
{ "InactiveEnterTimestampMonotonic", "t", NULL, offsetof(UnitTimes, deactivated) },
{},
};
_cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
_cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
_cleanup_(unit_times_free_arrayp) UnitTimes *unit_times = NULL;
BootTimes *boot_times = NULL;
size_t allocated = 0, c = 0;
UnitInfo u;
int r;
r = acquire_boot_times(bus, &boot_times);
if (r < 0)
return r;
r = bus_call_method(bus, bus_systemd_mgr, "ListUnits", &error, &reply, NULL);
if (r < 0)
return log_error_errno(r, "Failed to list units: %s", bus_error_message(&error, r));
r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssssssouso)");
if (r < 0)
return bus_log_parse_error(r);
while ((r = bus_parse_unit_info(reply, &u)) > 0) {
UnitTimes *t;
if (!GREEDY_REALLOC(unit_times, allocated, c + 2))
return log_oom();
unit_times[c + 1].has_data = false;
t = &unit_times[c];
t->name = NULL;
assert_cc(sizeof(usec_t) == sizeof(uint64_t));
r = bus_map_all_properties(
bus,
"org.freedesktop.systemd1",
u.unit_path,
property_map,
BUS_MAP_STRDUP,
&error,
NULL,
t);
if (r < 0)
return log_error_errno(r, "Failed to get timestamp properties of unit %s: %s",
u.id, bus_error_message(&error, r));
subtract_timestamp(&t->activating, boot_times->reverse_offset);
subtract_timestamp(&t->activated, boot_times->reverse_offset);
subtract_timestamp(&t->deactivating, boot_times->reverse_offset);
subtract_timestamp(&t->deactivated, boot_times->reverse_offset);
if (t->activated >= t->activating)
t->time = t->activated - t->activating;
else if (t->deactivated >= t->activating)
t->time = t->deactivated - t->activating;
else
t->time = 0;
if (t->activating == 0)
continue;
t->name = strdup(u.id);
if (!t->name)
return log_oom();
t->has_data = true;
c++;
}
if (r < 0)
return bus_log_parse_error(r);
*out = TAKE_PTR(unit_times);
return c;
}
static int acquire_host_info(sd_bus *bus, HostInfo **hi) {
static const struct bus_properties_map hostname_map[] = {
{ "Hostname", "s", NULL, offsetof(HostInfo, hostname) },
{ "KernelName", "s", NULL, offsetof(HostInfo, kernel_name) },
{ "KernelRelease", "s", NULL, offsetof(HostInfo, kernel_release) },
{ "KernelVersion", "s", NULL, offsetof(HostInfo, kernel_version) },
{ "OperatingSystemPrettyName", "s", NULL, offsetof(HostInfo, os_pretty_name) },
{}
};
static const struct bus_properties_map manager_map[] = {
{ "Virtualization", "s", NULL, offsetof(HostInfo, virtualization) },
{ "Architecture", "s", NULL, offsetof(HostInfo, architecture) },
{}
};
_cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
_cleanup_(sd_bus_flush_close_unrefp) sd_bus *system_bus = NULL;
_cleanup_(free_host_infop) HostInfo *host = NULL;
int r;
host = new0(HostInfo, 1);
if (!host)
return log_oom();
if (arg_scope != UNIT_FILE_SYSTEM) {
r = bus_connect_transport(arg_transport, arg_host, false, &system_bus);
if (r < 0) {
log_debug_errno(r, "Failed to connect to system bus, ignoring: %m");
goto manager;
}
}
r = bus_map_all_properties(
system_bus ?: bus,
"org.freedesktop.hostname1",
"/org/freedesktop/hostname1",
hostname_map,
BUS_MAP_STRDUP,
&error,
NULL,
host);
if (r < 0) {
log_debug_errno(r, "Failed to get host information from systemd-hostnamed, ignoring: %s",
bus_error_message(&error, r));
sd_bus_error_free(&error);
}
manager:
r = bus_map_all_properties(
bus,
"org.freedesktop.systemd1",
"/org/freedesktop/systemd1",
manager_map,
BUS_MAP_STRDUP,
&error,
NULL,
host);
if (r < 0)
return log_error_errno(r, "Failed to get host information from systemd: %s",
bus_error_message(&error, r));
*hi = TAKE_PTR(host);
return 0;
}
static int pretty_boot_time(sd_bus *bus, char **_buf) {
char ts[FORMAT_TIMESPAN_MAX];
BootTimes *t;
static char buf[4096];
size_t size;
char *ptr;
int r;
usec_t activated_time = USEC_INFINITY;
_cleanup_free_ char *path = NULL, *unit_id = NULL;
_cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
r = acquire_boot_times(bus, &t);
if (r < 0)
return r;
path = unit_dbus_path_from_name(SPECIAL_DEFAULT_TARGET);
if (!path)
return log_oom();
r = sd_bus_get_property_string(
bus,
"org.freedesktop.systemd1",
path,
"org.freedesktop.systemd1.Unit",
"Id",
&error,
&unit_id);
if (r < 0) {
log_error_errno(r, "default.target doesn't seem to exist: %s", bus_error_message(&error, r));
unit_id = NULL;
}
r = bus_get_uint64_property(bus, path,
"org.freedesktop.systemd1.Unit",
"ActiveEnterTimestampMonotonic",
&activated_time);
if (r < 0) {
log_info_errno(r, "Could not get time to reach default.target, ignoring: %m");
activated_time = USEC_INFINITY;
}
ptr = buf;
size = sizeof(buf);
size = strpcpyf(&ptr, size, "Startup finished in ");
if (t->firmware_time > 0)
size = strpcpyf(&ptr, size, "%s (firmware) + ", format_timespan(ts, sizeof(ts), t->firmware_time - t->loader_time, USEC_PER_MSEC));
if (t->loader_time > 0)
size = strpcpyf(&ptr, size, "%s (loader) + ", format_timespan(ts, sizeof(ts), t->loader_time, USEC_PER_MSEC));
if (t->kernel_done_time > 0)
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_done_time > 0)
strpcpyf(&ptr, size, "= %s ", format_timespan(ts, sizeof(ts), t->firmware_time + t->finish_time, USEC_PER_MSEC));
if (unit_id && timestamp_is_set(activated_time)) {
usec_t base = t->userspace_time > 0 ? t->userspace_time : t->reverse_offset;
size = strpcpyf(&ptr, size, "\n%s reached after %s in userspace", unit_id,
format_timespan(ts, sizeof(ts), activated_time - base, USEC_PER_MSEC));
} else if (unit_id && activated_time == 0)
size = strpcpyf(&ptr, size, "\n%s was never reached", unit_id);
else if (unit_id && activated_time == USEC_INFINITY)
size = strpcpyf(&ptr, size, "\nCould not get time to reach %s.", unit_id);
else if (!unit_id)
size = strpcpyf(&ptr, size, "\ncould not find default.target");
ptr = strdup(buf);
if (!ptr)
return log_oom();
*_buf = ptr;
return 0;
}
static void svg_graph_box(double height, double begin, double end) {
/* outside box, fill */
svg("<rect class=\"box\" x=\"0\" y=\"0\" width=\"%.03f\" height=\"%.03f\" />\n",
SCALE_X * (end - begin),
SCALE_Y * height);
for (long long 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 plot_unit_times(UnitTimes *u, double width, int y) {
char ts[FORMAT_TIMESPAN_MAX];
bool b;
if (!u->name)
return 0;
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);
return 1;
}
static int analyze_plot(int argc, char *argv[], void *userdata) {
_cleanup_(free_host_infop) HostInfo *host = NULL;
_cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
_cleanup_(unit_times_free_arrayp) UnitTimes *times = NULL;
_cleanup_free_ char *pretty_times = NULL;
bool use_full_bus = arg_scope == UNIT_FILE_SYSTEM;
BootTimes *boot;
UnitTimes *u;
int n, m = 1, y = 0, r;
double width;
r = acquire_bus(&bus, &use_full_bus);
if (r < 0)
return bus_log_connect_error(r);
n = acquire_boot_times(bus, &boot);
if (n < 0)
return n;
n = pretty_boot_time(bus, &pretty_times);
if (n < 0)
return n;
if (use_full_bus || arg_scope != UNIT_FILE_SYSTEM) {
n = acquire_host_info(bus, &host);
if (n < 0)
return n;
}
n = acquire_time_data(bus, ×);
if (n <= 0)
return n;
typesafe_qsort(times, n, 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 > 0) {
m++;
if (width < 1000.0)
width = 1000.0;
}
if (boot->initrd_time > 0)
m++;
if (boot->kernel_done_time > 0)
m++;
for (u = times; u->has_data; u++) {
double text_start, text_width;
if (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->deactivating > 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", GIT_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);
if (host)
svg("<text x=\"20\" y=\"30\">%s %s (%s %s %s) %s %s</text>",
isempty(host->os_pretty_name) ? "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 > 0) {
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 > 0) {
svg_bar("loader", -(double) boot->loader_time, 0, y);
svg_text(true, -(double) boot->loader_time, y, "loader");
y++;
}
if (boot->kernel_done_time > 0) {
svg_bar("kernel", 0, boot->kernel_done_time, y);
svg_text(true, 0, y, "kernel");
y++;
}
if (boot->initrd_time > 0) {
svg_bar("initrd", boot->initrd_time, boot->userspace_time, y);
if (boot->initrd_security_start_time < boot->initrd_security_finish_time)
svg_bar("security", boot->initrd_security_start_time, boot->initrd_security_finish_time, y);
if (boot->initrd_generators_start_time < boot->initrd_generators_finish_time)
svg_bar("generators", boot->initrd_generators_start_time, boot->initrd_generators_finish_time, y);
if (boot->initrd_unitsload_start_time < boot->initrd_unitsload_finish_time)
svg_bar("unitsload", boot->initrd_unitsload_start_time, boot->initrd_unitsload_finish_time, y);
svg_text(true, boot->initrd_time, y, "initrd");
y++;
}
for (u = times; u->has_data; u++) {
if (u->activating >= boot->userspace_time)
break;
y += plot_unit_times(u, width, y);
}
svg_bar("active", boot->userspace_time, boot->finish_time, y);
if (boot->security_start_time > 0)
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->has_data; u++)
y += plot_unit_times(u, width, 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++;
if (boot->security_start_time > 0) {
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");
return 0;
}
static int list_dependencies_print(
const char *name,
unsigned level,
unsigned branches,
bool last,
UnitTimes *times,
BootTimes *boot) {
char ts[FORMAT_TIMESPAN_MAX], ts2[FORMAT_TIMESPAN_MAX];
for (unsigned i = level; i != 0; i--)
printf("%s", special_glyph(branches & (1 << (i-1)) ? SPECIAL_GLYPH_TREE_VERTICAL : SPECIAL_GLYPH_TREE_SPACE));
printf("%s", special_glyph(last ? SPECIAL_GLYPH_TREE_RIGHT : SPECIAL_GLYPH_TREE_BRANCH));
if (times) {
if (times->time > 0)
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)
return -ENOMEM;
return bus_get_unit_property_strv(bus, path, "After", deps);
}
static Hashmap *unit_times_hashmap;
static int list_dependencies_compare(char *const *a, char *const *b) {
usec_t usa = 0, usb = 0;
UnitTimes *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 CMP(usb, usa);
}
static bool times_in_range(const UnitTimes *times, const BootTimes *boot) {
return times && times->activated > 0 && times->activated <= boot->finish_time;
}
static int list_dependencies_one(sd_bus *bus, const char *name, unsigned level, char ***units, unsigned branches) {
_cleanup_strv_free_ char **deps = NULL;
char **c;
int r;
usec_t service_longest = 0;
int to_print = 0;
UnitTimes *times;
BootTimes *boot;
if (strv_extend(units, name))
return log_oom();
r = list_dependencies_get_dependencies(bus, name, &deps);
if (r < 0)
return r;
typesafe_qsort(deps, strv_length(deps), 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_in_range(times, boot) && times->activated >= service_longest)
service_longest = times->activated;
}
if (service_longest == 0)
return r;
STRV_FOREACH(c, deps) {
times = hashmap_get(unit_times_hashmap, *c);
if (times_in_range(times, boot) && 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_in_range(times, boot) || 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 == 0)
break;
}
return 0;
}
static int list_dependencies(sd_bus *bus, const char *name) {
_cleanup_strv_free_ char **units = NULL;
char ts[FORMAT_TIMESPAN_MAX];
UnitTimes *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;
BootTimes *boot;
assert(bus);
path = unit_dbus_path_from_name(name);
if (!path)
return -ENOMEM;
r = sd_bus_get_property(
bus,
"org.freedesktop.systemd1",
path,
"org.freedesktop.systemd1.Unit",
"Id",
&error,
&reply,
"s");
if (r < 0)
return log_error_errno(r, "Failed to get ID: %s", bus_error_message(&error, 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);