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Systemd/src/analyze/analyze.c

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/* SPDX-License-Identifier: LGPL-2.1+ */
/***
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-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);
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;
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;
};
struct unit_times {
bool has_data;
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 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 struct unit_times *a, const struct unit_times *b) {
return CMP(a->activating, b->activating);
}
static void unit_times_free(struct unit_times *t) {
struct unit_times *p;
for (p = t; p->has_data; p++)
free(p->name);
free(t);
}
DEFINE_TRIVIAL_CLEANUP_FUNC(struct unit_times *, unit_times_free);
static void subtract_timestamp(usec_t *a, usec_t b) {
assert(a);
if (*a > 0) {
assert(*a >= b);
*a -= b;
}
}
static int acquire_boot_times(sd_bus *bus, struct boot_times **bt) {
static const struct bus_properties_map property_map[] = {
{ "FirmwareTimestampMonotonic", "t", NULL, offsetof(struct boot_times, firmware_time) },
{ "LoaderTimestampMonotonic", "t", NULL, offsetof(struct boot_times, loader_time) },
{ "KernelTimestamp", "t", NULL, offsetof(struct boot_times, kernel_time) },
{ "InitRDTimestampMonotonic", "t", NULL, offsetof(struct boot_times, initrd_time) },
{ "UserspaceTimestampMonotonic", "t", NULL, offsetof(struct boot_times, userspace_time) },
{ "FinishTimestampMonotonic", "t", NULL, offsetof(struct boot_times, finish_time) },
{ "SecurityStartTimestampMonotonic", "t", NULL, offsetof(struct boot_times, security_start_time) },
{ "SecurityFinishTimestampMonotonic", "t", NULL, offsetof(struct boot_times, security_finish_time) },
{ "GeneratorsStartTimestampMonotonic", "t", NULL, offsetof(struct boot_times, generators_start_time) },
{ "GeneratorsFinishTimestampMonotonic", "t", NULL, offsetof(struct boot_times, generators_finish_time) },
{ "UnitsLoadStartTimestampMonotonic", "t", NULL, offsetof(struct boot_times, unitsload_start_time) },
{ "UnitsLoadFinishTimestampMonotonic", "t", NULL, offsetof(struct boot_times, unitsload_finish_time) },
{ "InitRDSecurityStartTimestampMonotonic", "t", NULL, offsetof(struct boot_times, initrd_security_start_time) },
{ "InitRDSecurityFinishTimestampMonotonic", "t", NULL, offsetof(struct boot_times, initrd_security_finish_time) },
{ "InitRDGeneratorsStartTimestampMonotonic", "t", NULL, offsetof(struct boot_times, initrd_generators_start_time) },
{ "InitRDGeneratorsFinishTimestampMonotonic", "t", NULL, offsetof(struct boot_times, initrd_generators_finish_time) },
{ "InitRDUnitsLoadStartTimestampMonotonic", "t", NULL, offsetof(struct boot_times, initrd_unitsload_start_time) },
{ "InitRDUnitsLoadFinishTimestampMonotonic", "t", NULL, offsetof(struct boot_times, initrd_unitsload_finish_time) },
{},
};
_cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
static struct boot_times 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,
&times);
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 struct boot_times).
*/
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(&times.finish_time, times.reverse_offset);
subtract_timestamp(&times.generators_start_time, times.reverse_offset);
subtract_timestamp(&times.generators_finish_time, times.reverse_offset);
subtract_timestamp(&times.unitsload_start_time, times.reverse_offset);
subtract_timestamp(&times.unitsload_finish_time, times.reverse_offset);
}
cached = true;
finish:
*bt = &times;
return 0;
}
static void free_host_info(struct host_info *hi) {
if (!hi)
return;
free(hi->hostname);
free(hi->kernel_name);
free(hi->kernel_release);
free(hi->kernel_version);
free(hi->os_pretty_name);
free(hi->virtualization);
free(hi->architecture);
free(hi);
}
DEFINE_TRIVIAL_CLEANUP_FUNC(struct host_info *, free_host_info);
static int acquire_time_data(sd_bus *bus, struct unit_times **out) {
static const struct bus_properties_map property_map[] = {
{ "InactiveExitTimestampMonotonic", "t", NULL, offsetof(struct unit_times, activating) },
{ "ActiveEnterTimestampMonotonic", "t", NULL, offsetof(struct unit_times, activated) },
{ "ActiveExitTimestampMonotonic", "t", NULL, offsetof(struct unit_times, deactivating) },
{ "InactiveEnterTimestampMonotonic", "t", NULL, offsetof(struct unit_times, 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_freep) struct unit_times *unit_times = NULL;
struct boot_times *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) {
struct unit_times *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, struct host_info **hi) {
static const struct bus_properties_map hostname_map[] = {
{ "Hostname", "s", NULL, offsetof(struct host_info, hostname) },
{ "KernelName", "s", NULL, offsetof(struct host_info, kernel_name) },
{ "KernelRelease", "s", NULL, offsetof(struct host_info, kernel_release) },
{ "KernelVersion", "s", NULL, offsetof(struct host_info, kernel_version) },
{ "OperatingSystemPrettyName", "s", NULL, offsetof(struct host_info, os_pretty_name) },
{}
};
static const struct bus_properties_map manager_map[] = {
{ "Virtualization", "s", NULL, offsetof(struct host_info, virtualization) },
{ "Architecture", "s", NULL, offsetof(struct host_info, architecture) },
{}
};
_cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
_cleanup_(sd_bus_flush_close_unrefp) sd_bus *system_bus = NULL;
_cleanup_(free_host_infop) struct host_info *host;
int r;
host = new0(struct host_info, 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];
struct boot_times *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) {
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 plot_unit_times(struct unit_times *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) struct host_info *host = NULL;
_cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
_cleanup_(unit_times_freep) struct unit_times *times = NULL;
_cleanup_free_ char *pretty_times = NULL;
bool use_full_bus = arg_scope == UNIT_FILE_SYSTEM;
struct boot_times *boot;
struct unit_times *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, &times);
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,
struct unit_times *times,
struct boot_times *boot) {
unsigned i;
char ts[FORMAT_TIMESPAN_MAX], ts2[FORMAT_TIMESPAN_MAX];
for (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;
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 CMP(usb, usa);
}
static bool times_in_range(const struct unit_times *times, const struct boot_times *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;
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;
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];
struct unit_times *times;
int r;
const char *id;
_cleanup_free_ char *path = NULL;
_cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
_cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
struct boot_times *boot;
assert(bus);
path = unit_dbus_path_from_name(name);
if (!path)
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);
if (r < 0)
return r;
if (times) {
if (times->time)
printf("%s%s +%s%s\n", ansi_highlight_red(), id,
format_timespan(ts, sizeof(ts), times->time, USEC_PER_MSEC), ansi_normal());
else if (times->activated > boot->userspace_time)
printf("%s @%s\n", id, format_timespan(ts, sizeof(ts), times->activated - boot->userspace_time, USEC_PER_MSEC));
else
printf("%s\n", id);
}
return list_dependencies_one(bus, name, 0, &units, 0);
}
static int analyze_critical_chain(int argc, char *argv[], void *userdata) {
_cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
_cleanup_(unit_times_freep) struct unit_times *times = NULL;
struct unit_times *u;
Hashmap *h;
int n, r;
r = acquire_bus(&bus, NULL);
if (r < 0)
return bus_log_connect_error(r);
n = acquire_time_data(bus, &times);
if (n <= 0)
return n;
h = hashmap_new(&string_hash_ops);
if (!h)
return log_oom();
for (u = times; u->has_data; u++) {
r = hashmap_put(h, u->name, u);
if (r < 0)
return log_error_errno(r, "Failed to add entry to hashmap: %m");
}
unit_times_hashmap = h;
(void) pager_open(arg_pager_flags);
puts("The time when unit became active or started is printed after the \"@\" character.\n"
"The time the unit took to start is printed after the \"+\" character.\n");
if (argc > 1) {
char **name;
STRV_FOREACH(name, strv_skip(argv, 1))
list_dependencies(bus, *name);
} else
list_dependencies(bus, SPECIAL_DEFAULT_TARGET);
h = hashmap_free(h);
return 0;
}
static int analyze_blame(int argc, char *argv[], void *userdata) {
_cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
_cleanup_(unit_times_freep) struct unit_times *times = NULL;
_cleanup_(table_unrefp) Table *table = NULL;
struct unit_times *u;
TableCell *cell;
int n, r;
r = acquire_bus(&bus, NULL);
if (r < 0)
return bus_log_connect_error(r);
n = acquire_time_data(bus, &times);
if (n <= 0)
return n;
table = table_new("time", "unit");
if (!table)
return log_oom();
table_set_header(table, false);
assert_se(cell = table_get_cell(table, 0, 0));
r = table_set_ellipsize_percent(table, cell, 100);
if (r < 0)
return r;
r = table_set_align_percent(table, cell, 100);
if (r < 0)
return r;
assert_se(cell = table_get_cell(table, 0, 1));
r = table_set_ellipsize_percent(table, cell, 100);
if (r < 0)
return r;
r = table_set_sort(table, (size_t) 0, (size_t) SIZE_MAX);
if (r < 0)
return r;
r = table_set_reverse(table, 0, true);
if (r < 0)
return r;
for (u = times; u->has_data; u++) {
if (u->time <= 0)
continue;
r = table_add_many(table,
TABLE_TIMESPAN_MSEC, u->time,
TABLE_STRING, u->name);
if (r < 0)
return table_log_add_error(r);
}
(void) pager_open(arg_pager_flags);
return table_print(table, NULL);
}
static int analyze_time(int argc, char *argv[], void *userdata) {
_cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
_cleanup_free_ char *buf = NULL;
int r;
r = acquire_bus(&bus, NULL);
if (r < 0)
return bus_log_connect_error(r);
r = pretty_boot_time(bus, &buf);
if (r < 0)
return r;
puts(buf);
return 0;
}
static int graph_one_property(
sd_bus *bus,
const UnitInfo *u,
const char *prop,
const char *color,
char *patterns[],
char *from_patterns[],
char *to_patterns[]) {
_cleanup_strv_free_ char **units = NULL;
char **unit;
int r;
bool match_patterns;
assert(u);
assert(prop);
assert(color);
match_patterns = strv_fnmatch(patterns, u->id);
if (!strv_isempty(from_patterns) && !match_patterns && !strv_fnmatch(from_patterns, u->id))
return 0;
r = bus_get_unit_property_strv(bus, u->unit_path, prop, &units);
if (r < 0)
return r;
STRV_FOREACH(unit, units) {
bool match_patterns2;
match_patterns2 = strv_fnmatch(patterns, *unit);
if (!strv_isempty(to_patterns) && !match_patterns2 && !strv_fnmatch(to_patterns, *unit))
continue;
if (!strv_isempty(patterns) && !match_patterns && !match_patterns2)
continue;
printf("\t\"%s\"->\"%s\" [color=\"%s\"];\n", u->id, *unit, color);
}
return 0;
}
static int graph_one(sd_bus *bus, const UnitInfo *u, char *patterns[], char *from_patterns[], char *to_patterns[]) {
int r;
assert(bus);
assert(u);
if (IN_SET(arg_dot, DEP_ORDER, DEP_ALL)) {
r = graph_one_property(bus, u, "After", "green", patterns, from_patterns, to_patterns);
if (r < 0)
return r;
}
if (IN_SET(arg_dot, DEP_REQUIRE, DEP_ALL)) {
r = graph_one_property(bus, u, "Requires", "black", patterns, from_patterns, to_patterns);
if (r < 0)
return r;
r = graph_one_property(bus, u, "Requisite", "darkblue", patterns, from_patterns, to_patterns);
if (r < 0)
return r;
r = graph_one_property(bus, u, "Wants", "grey66", patterns, from_patterns, to_patterns);
if (r < 0)
return r;
r = graph_one_property(bus, u, "Conflicts", "red", patterns, from_patterns, to_patterns);
if (r < 0)
return r;
}
return 0;
}
static int expand_patterns(sd_bus *bus, char **patterns, char ***ret) {
_cleanup_strv_free_ char **expanded_patterns = NULL;
char **pattern;
int r;
STRV_FOREACH(pattern, patterns) {
_cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
_cleanup_free_ char *unit = NULL, *unit_id = NULL;
if (strv_extend(&expanded_patterns, *pattern) < 0)
return log_oom();
if (string_is_glob(*pattern))
continue;
unit = unit_dbus_path_from_name(*pattern);
if (!unit)
return log_oom();
r = sd_bus_get_property_string(
bus,
"org.freedesktop.systemd1",
unit,
"org.freedesktop.systemd1.Unit",
"Id",
&error,
&unit_id);
if (r < 0)
return log_error_errno(r, "Failed to get ID: %s", bus_error_message(&error, r));
if (!streq(*pattern, unit_id)) {
if (strv_extend(&expanded_patterns, unit_id) < 0)
return log_oom();
}
}
*ret = TAKE_PTR(expanded_patterns); /* do not free */
return 0;
}
static int dot(int argc, char *argv[], void *userdata) {
_cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
_cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
_cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
_cleanup_strv_free_ char **expanded_patterns = NULL;
_cleanup_strv_free_ char **expanded_from_patterns = NULL;
_cleanup_strv_free_ char **expanded_to_patterns = NULL;
int r;
UnitInfo u;
r = acquire_bus(&bus, NULL);
if (r < 0)
return bus_log_connect_error(r);
r = expand_patterns(bus, strv_skip(argv, 1), &expanded_patterns);
if (r < 0)
return r;
r = expand_patterns(bus, arg_dot_from_patterns, &expanded_from_patterns);
if (r < 0)
return r;
r = expand_patterns(bus, arg_dot_to_patterns, &expanded_to_patterns);
if (r < 0)
return r;
r = bus_call_method(bus, bus_systemd_mgr, "ListUnits", &error, &reply, "");
if (r < 0)
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);
printf("digraph systemd {\n");
while ((r = bus_parse_unit_info(reply, &u)) > 0) {
r = graph_one(bus, &u, expanded_patterns, expanded_from_patterns, expanded_to_patterns);
if (r < 0)
return r;
}
if (r < 0)
return bus_log_parse_error(r);
printf("}\n");
log_info(" Color legend: black = Requires\n"
" dark blue = Requisite\n"
" dark grey = Wants\n"
" red = Conflicts\n"
" green = After\n");
if (on_tty())
log_notice("-- You probably want to process this output with graphviz' dot tool.\n"
"-- Try a shell pipeline like 'systemd-analyze dot | dot -Tsvg > systemd.svg'!\n");
return 0;
}
static int dump_fallback(sd_bus *bus) {
_cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
_cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
const char *text = NULL;
int r;
assert(bus);
r = bus_call_method(bus, bus_systemd_mgr, "Dump", &error, &reply, NULL);
if (r < 0)
return log_error_errno(r, "Failed to issue method call Dump: %s", bus_error_message(&error, r));
r = sd_bus_message_read(reply, "s", &text);
if (r < 0)
return bus_log_parse_error(r);
fputs(text, stdout);
return 0;
}
static int dump(int argc, char *argv[], void *userdata) {
_cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
_cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
_cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
int fd = -1;
int r;
r = acquire_bus(&bus, NULL);
if (r < 0)
return bus_log_connect_error(r);
(void) pager_open(arg_pager_flags);
if (!sd_bus_can_send(bus, SD_BUS_TYPE_UNIX_FD))
return dump_fallback(bus);
r = bus_call_method(bus, bus_systemd_mgr, "DumpByFileDescriptor", &error, &reply, NULL);
if (r < 0) {
/* fall back to Dump if DumpByFileDescriptor is not supported */
if (!IN_SET(r, -EACCES, -EBADR))
return log_error_errno(r, "Failed to issue method call DumpByFileDescriptor: %s",
bus_error_message(&error, r));
return dump_fallback(bus);
}
r = sd_bus_message_read(reply, "h", &fd);
if (r < 0)
return bus_log_parse_error(r);
fflush(stdout);
return copy_bytes(fd, STDOUT_FILENO, (uint64_t) -1, 0);
}
static int cat_config(int argc, char *argv[], void *userdata) {
char **arg, **list;
int r;
(void) pager_open(arg_pager_flags);
list = strv_skip(argv, 1);
STRV_FOREACH(arg, list) {
const char *t = NULL;
if (arg != list)
print_separator();
if (path_is_absolute(*arg)) {
const char *dir;
NULSTR_FOREACH(dir, CONF_PATHS_NULSTR("")) {
t = path_startswith(*arg, dir);
if (t)
break;
}
if (!t)
return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
"Path %s does not start with any known prefix.", *arg);
} else
t = *arg;
r = conf_files_cat(arg_root, t);
if (r < 0)
return r;
}
return 0;
}
static int set_log_level(int argc, char *argv[], void *userdata) {
_cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
_cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
int r;
assert(argc == 2);
assert(argv);
r = acquire_bus(&bus, NULL);
if (r < 0)
return bus_log_connect_error(r);
r = bus_set_property(bus, bus_systemd_mgr, "LogLevel", &error, "s", argv[1]);
if (r < 0)
return log_error_errno(r, "Failed to issue method call: %s", bus_error_message(&error, r));
return 0;
}
static int get_log_level(int argc, char *argv[], void *userdata) {
_cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
_cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
_cleanup_free_ char *level = NULL;
int r;
r = acquire_bus(&bus, NULL);
if (r < 0)
return bus_log_connect_error(r);
r = bus_get_property_string(bus, bus_systemd_mgr, "LogLevel", &error, &level);
if (r < 0)
return log_error_errno(r, "Failed to get log level: %s", bus_error_message(&error, r));
puts(level);
return 0;
}
static int get_or_set_log_level(int argc, char *argv[], void *userdata) {
return (argc == 1) ? get_log_level(argc, argv, userdata) : set_log_level(argc, argv, userdata);
}
static int set_log_target(int argc, char *argv[], void *userdata) {
_cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
_cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
int r;
assert(argc == 2);
assert(argv);
r = acquire_bus(&bus, NULL);
if (r < 0)
return bus_log_connect_error(r);
r = bus_set_property(bus, bus_systemd_mgr, "LogTarget", &error, "s", argv[1]);
if (r < 0)
return log_error_errno(r, "Failed to issue method call: %s", bus_error_message(&error, r));
return 0;
}
static int get_log_target(int argc, char *argv[], void *userdata) {
_cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
_cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
_cleanup_free_ char *target = NULL;
int r;
r = acquire_bus(&bus, NULL);
if (r < 0)
return bus_log_connect_error(r);
r = bus_get_property_string(bus, bus_systemd_mgr, "LogTarget", &error, &target);
if (r < 0)
return log_error_errno(r, "Failed to get log target: %s", bus_error_message(&error, r));
puts(target);
return 0;
}
static int get_or_set_log_target(int argc, char *argv[], void *userdata) {
return (argc == 1) ? get_log_target(argc, argv, userdata) : set_log_target(argc, argv, userdata);
}
static bool strv_fnmatch_strv_or_empty(char* const* patterns, char **strv, int flags) {
char **s;
STRV_FOREACH(s, strv)
if (strv_fnmatch_or_empty(patterns, *s, flags))
return true;
return false;
}
static int do_unit_files(int argc, char *argv[], void *userdata) {
_cleanup_(lookup_paths_free) LookupPaths lp = {};
_cleanup_hashmap_free_ Hashmap *unit_ids = NULL;
_cleanup_hashmap_free_ Hashmap *unit_names = NULL;
char **patterns = strv_skip(argv, 1);
const char *k, *dst;
char **v;
int r;
r = lookup_paths_init(&lp, arg_scope, 0, NULL);
if (r < 0)
return log_error_errno(r, "lookup_paths_init() failed: %m");
r = unit_file_build_name_map(&lp, NULL, &unit_ids, &unit_names, NULL);
if (r < 0)
return log_error_errno(r, "unit_file_build_name_map() failed: %m");
HASHMAP_FOREACH_KEY(dst, k, unit_ids) {
if (!strv_fnmatch_or_empty(patterns, k, FNM_NOESCAPE) &&
!strv_fnmatch_or_empty(patterns, dst, FNM_NOESCAPE))
continue;
printf("ids: %s → %s\n", k, dst);
}
HASHMAP_FOREACH_KEY(v, k, unit_names) {
if (!strv_fnmatch_or_empty(patterns, k, FNM_NOESCAPE) &&
!strv_fnmatch_strv_or_empty(patterns, v, FNM_NOESCAPE))
continue;
_cleanup_free_ char *j = strv_join(v, ", ");
printf("aliases: %s ← %s\n", k, j);
}
return 0;
}
static int dump_unit_paths(int argc, char *argv[], void *userdata) {
_cleanup_(lookup_paths_free) LookupPaths paths = {};
int r;
char **p;
r = lookup_paths_init(&paths, arg_scope, 0, NULL);
if (r < 0)
return log_error_errno(r, "lookup_paths_init() failed: %m");
STRV_FOREACH(p, paths.search_path)
puts(*p);
return 0;
}
static int dump_exit_status(int argc, char *argv[], void *userdata) {
_cleanup_(table_unrefp) Table *table = NULL;
int r;
table = table_new("name", "status", "class");
if (!table)
return log_oom();
r = table_set_align_percent(table, table_get_cell(table, 0, 1), 100);
if (r < 0)
return log_error_errno(r, "Failed to right-align status: %m");
if (strv_isempty(strv_skip(argv, 1)))
for (size_t i = 0; i < ELEMENTSOF(exit_status_mappings); i++) {
if (!exit_status_mappings[i].name)
continue;
r = table_add_many(table,
TABLE_STRING, exit_status_mappings[i].name,
TABLE_INT, (int) i,
TABLE_STRING, exit_status_class(i));
if (r < 0)
return table_log_add_error(r);
}
else
for (int i = 1; i < argc; i++) {
int status;
status = exit_status_from_string(argv[i]);
if (status < 0)
return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Invalid exit status \"%s\".", argv[i]);
assert(status >= 0 && (size_t) status < ELEMENTSOF(exit_status_mappings));
r = table_add_many(table,
TABLE_STRING, exit_status_mappings[status].name ?: "-",
TABLE_INT, status,
TABLE_STRING, exit_status_class(status) ?: "-");
if (r < 0)
return table_log_add_error(r);
}
(void) pager_open(arg_pager_flags);
return table_print(table, NULL);
}
static int dump_capabilities(int argc, char *argv[], void *userdata) {
_cleanup_(table_unrefp) Table *table = NULL;
unsigned last_cap;
int r;
table = table_new("name", "number");
if (!table)
return log_oom();
(void) table_set_align_percent(table, table_get_cell(table, 0, 1), 100);
/* Determine the maximum of the last cap known by the kernel and by us */
last_cap = MAX((unsigned) CAP_LAST_CAP, cap_last_cap());
if (strv_isempty(strv_skip(argv, 1)))
for (unsigned c = 0; c <= last_cap; c++) {
r = table_add_many(table,
TABLE_STRING, capability_to_name(c) ?: "cap_???",
TABLE_UINT, c);
if (r < 0)
return table_log_add_error(r);
}
else {
for (int i = 1; i < argc; i++) {
int c;
c = capability_from_name(argv[i]);
if (c < 0 || (unsigned) c > last_cap)
return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Capability \"%s\" not known.", argv[i]);
r = table_add_many(table,
TABLE_STRING, capability_to_name(c) ?: "cap_???",
TABLE_UINT, (unsigned) c);
if (r < 0)
return table_log_add_error(r);
}
(void) table_set_sort(table, (size_t) 1, (size_t) -1);
}
(void) pager_open(arg_pager_flags);
return table_print(table, NULL);
}
#if HAVE_SECCOMP
static int load_kernel_syscalls(Set **ret) {
_cleanup_set_free_ Set *syscalls = NULL;
_cleanup_fclose_ FILE *f = NULL;
int r;
/* Let's read the available system calls from the list of available tracing events. Slightly dirty,
* but good enough for analysis purposes. */
f = fopen("/sys/kernel/tracing/available_events", "re");
if (!f) {
/* We tried the non-debugfs mount point and that didn't work. If it wasn't mounted, maybe the
* old debugfs mount point works? */
f = fopen("/sys/kernel/debug/tracing/available_events", "re");
if (!f)
return log_full_errno(IN_SET(errno, EPERM, EACCES, ENOENT) ? LOG_DEBUG : LOG_WARNING, errno,
"Can't read open tracefs' available_events file: %m");
}
for (;;) {
_cleanup_free_ char *line = NULL;
const char *e;
r = read_line(f, LONG_LINE_MAX, &line);
if (r < 0)
return log_error_errno(r, "Failed to read system call list: %m");
if (r == 0)
break;
e = startswith(line, "syscalls:sys_enter_");
if (!e)
continue;
/* These are named differently inside the kernel than their external name for historical
* reasons. Let's hide them here. */
if (STR_IN_SET(e, "newuname", "newfstat", "newstat", "newlstat", "sysctl"))
continue;
r = set_put_strdup(&syscalls, e);
if (r < 0)
return log_error_errno(r, "Failed to add system call to list: %m");
}
*ret = TAKE_PTR(syscalls);
return 0;
}
static void syscall_set_remove(Set *s, const SyscallFilterSet *set) {
const char *syscall;
NULSTR_FOREACH(syscall, set->value) {
if (syscall[0] == '@')
continue;
free(set_remove(s, syscall));
}
}
static void dump_syscall_filter(const SyscallFilterSet *set) {
const char *syscall;
printf("%s%s%s\n"
" # %s\n",
ansi_highlight(),
set->name,
ansi_normal(),
set->help);
NULSTR_FOREACH(syscall, set->value)
printf(" %s%s%s\n", syscall[0] == '@' ? ansi_underline() : "", syscall, ansi_normal());
}
static int dump_syscall_filters(int argc, char *argv[], void *userdata) {
bool first = true;
(void) pager_open(arg_pager_flags);
if (strv_isempty(strv_skip(argv, 1))) {
_cleanup_set_free_ Set *kernel = NULL, *known = NULL;
const char *sys;
int i, k;
NULSTR_FOREACH(sys, syscall_filter_sets[SYSCALL_FILTER_SET_KNOWN].value)
if (set_put_strdup(&known, sys) < 0)
return log_oom();
k = load_kernel_syscalls(&kernel);
for (i = 0; i < _SYSCALL_FILTER_SET_MAX; i++) {
const SyscallFilterSet *set = syscall_filter_sets + i;
if (!first)
puts("");
dump_syscall_filter(set);
syscall_set_remove(kernel, set);
if (i != SYSCALL_FILTER_SET_KNOWN)
syscall_set_remove(known, set);
first = false;
}
if (!set_isempty(known)) {
_cleanup_free_ char **l = NULL;
char **syscall;
printf("\n"
"# %sUngrouped System Calls%s (known but not included in any of the groups except @known):\n",
ansi_highlight(), ansi_normal());
l = set_get_strv(known);
if (!l)
return log_oom();
strv_sort(l);
STRV_FOREACH(syscall, l)
printf("# %s\n", *syscall);
}
if (k < 0) {
fputc('\n', stdout);
fflush(stdout);
log_notice_errno(k, "# Not showing unlisted system calls, couldn't retrieve kernel system call list: %m");
} else if (!set_isempty(kernel)) {
_cleanup_free_ char **l = NULL;
char **syscall;
printf("\n"
"# %sUnlisted System Calls%s (supported by the local kernel, but not included in any of the groups listed above):\n",
ansi_highlight(), ansi_normal());
l = set_get_strv(kernel);
if (!l)
return log_oom();
strv_sort(l);
STRV_FOREACH(syscall, l)
printf("# %s\n", *syscall);
}
} else {
char **name;
STRV_FOREACH(name, strv_skip(argv, 1)) {
const SyscallFilterSet *set;
if (!first)
puts("");
set = syscall_filter_set_find(*name);
if (!set) {
/* make sure the error appears below normal output */
fflush(stdout);
return log_error_errno(SYNTHETIC_ERRNO(ENOENT),
"Filter set \"%s\" not found.", *name);
}
dump_syscall_filter(set);
first = false;
}
}
return 0;
}
#else
static int dump_syscall_filters(int argc, char *argv[], void *userdata) {
return log_error_errno(SYNTHETIC_ERRNO(EOPNOTSUPP), "Not compiled with syscall filters, sorry.");
}
#endif
static void parsing_hint(const char *p, bool calendar, bool timestamp, bool timespan) {
if (calendar && calendar_spec_from_string(p, NULL) >= 0)
log_notice("Hint: this expression is a valid calendar specification. "
"Use 'systemd-analyze calendar \"%s\"' instead?", p);
if (timestamp && parse_timestamp(p, NULL) >= 0)
log_notice("Hint: this expression is a valid timestamp. "
"Use 'systemd-analyze timestamp \"%s\"' instead?", p);
if (timespan && parse_time(p, NULL, USEC_PER_SEC) >= 0)
log_notice("Hint: this expression is a valid timespan. "
"Use 'systemd-analyze timespan \"%s\"' instead?", p);
}
static int dump_timespan(int argc, char *argv[], void *userdata) {
char **input_timespan;
STRV_FOREACH(input_timespan, strv_skip(argv, 1)) {
_cleanup_(table_unrefp) Table *table = NULL;
usec_t output_usecs;
TableCell *cell;
int r;
r = parse_time(*input_timespan, &output_usecs, USEC_PER_SEC);
if (r < 0) {
log_error_errno(r, "Failed to parse time span '%s': %m", *input_timespan);
parsing_hint(*input_timespan, true, true, false);
return r;
}
table = table_new("name", "value");
if (!table)
return log_oom();
table_set_header(table, false);
assert_se(cell = table_get_cell(table, 0, 0));
r = table_set_ellipsize_percent(table, cell, 100);
if (r < 0)
return r;
r = table_set_align_percent(table, cell, 100);
if (r < 0)
return r;
assert_se(cell = table_get_cell(table, 0, 1));
r = table_set_ellipsize_percent(table, cell, 100);
if (r < 0)
return r;
r = table_add_many(table,
TABLE_STRING, "Original:",
TABLE_STRING, *input_timespan);
if (r < 0)
return table_log_add_error(r);
r = table_add_cell_stringf(table, NULL, "%ss:", special_glyph(SPECIAL_GLYPH_MU));
if (r < 0)
return table_log_add_error(r);
r = table_add_many(table,
TABLE_UINT64, output_usecs,
TABLE_STRING, "Human:",
TABLE_TIMESPAN, output_usecs,
TABLE_SET_COLOR, ansi_highlight());
if (r < 0)
return table_log_add_error(r);
r = table_print(table, NULL);
if (r < 0)
return r;
if (input_timespan[1])
putchar('\n');
}
return EXIT_SUCCESS;
}
static int test_timestamp_one(const char *p) {
_cleanup_(table_unrefp) Table *table = NULL;
TableCell *cell;
usec_t usec;
int r;
r = parse_timestamp(p, &usec);
if (r < 0) {
log_error_errno(r, "Failed to parse \"%s\": %m", p);
parsing_hint(p, true, false, true);
return r;
}
table = table_new("name", "value");
if (!table)
return log_oom();
table_set_header(table, false);
assert_se(cell = table_get_cell(table, 0, 0));
r = table_set_ellipsize_percent(table, cell, 100);
if (r < 0)
return r;
r = table_set_align_percent(table, cell, 100);
if (r < 0)
return r;
assert_se(cell = table_get_cell(table, 0, 1));
r = table_set_ellipsize_percent(table, cell, 100);
if (r < 0)
return r;
r = table_add_many(table,
TABLE_STRING, "Original form:",
TABLE_STRING, p,
TABLE_STRING, "Normalized form:",
TABLE_TIMESTAMP, usec,
TABLE_SET_COLOR, ansi_highlight_blue());
if (r < 0)
return table_log_add_error(r);
if (!in_utc_timezone()) {
r = table_add_many(table,
TABLE_STRING, "(in UTC):",
TABLE_TIMESTAMP_UTC, usec);
if (r < 0)
return table_log_add_error(r);
}
r = table_add_cell(table, NULL, TABLE_STRING, "UNIX seconds:");
if (r < 0)
return table_log_add_error(r);
if (usec % USEC_PER_SEC == 0)
r = table_add_cell_stringf(table, NULL, "@%"PRI_USEC,
usec / USEC_PER_SEC);
else
r = table_add_cell_stringf(table, NULL, "@%"PRI_USEC".%06"PRI_USEC"",
usec / USEC_PER_SEC,
usec % USEC_PER_SEC);
if (r < 0)
return r;
r = table_add_many(table,
TABLE_STRING, "From now:",
TABLE_TIMESTAMP_RELATIVE, usec);
if (r < 0)
return table_log_add_error(r);
return table_print(table, NULL);
}
static int test_timestamp(int argc, char *argv[], void *userdata) {
int ret = 0, r;
char **p;
STRV_FOREACH(p, strv_skip(argv, 1)) {
r = test_timestamp_one(*p);
if (ret == 0 && r < 0)
ret = r;
if (*(p + 1))
putchar('\n');
}
return ret;
}
static int test_calendar_one(usec_t n, const char *p) {
_cleanup_(calendar_spec_freep) CalendarSpec *spec = NULL;
_cleanup_(table_unrefp) Table *table = NULL;
_cleanup_free_ char *t = NULL;
TableCell *cell;
int r;
r = calendar_spec_from_string(p, &spec);
if (r < 0) {
log_error_errno(r, "Failed to parse calendar specification '%s': %m", p);
parsing_hint(p, false, true, true);
return r;
}
r = calendar_spec_to_string(spec, &t);
if (r < 0)
return log_error_errno(r, "Failed to format calendar specification '%s': %m", p);
table = table_new("name", "value");
if (!table)
return log_oom();
table_set_header(table, false);
assert_se(cell = table_get_cell(table, 0, 0));
r = table_set_ellipsize_percent(table, cell, 100);
if (r < 0)
return r;
r = table_set_align_percent(table, cell, 100);
if (r < 0)
return r;
assert_se(cell = table_get_cell(table, 0, 1));
r = table_set_ellipsize_percent(table, cell, 100);
if (r < 0)
return r;
if (!streq(t, p)) {
r = table_add_many(table,
TABLE_STRING, "Original form:",
TABLE_STRING, p);
if (r < 0)
return table_log_add_error(r);
}
r = table_add_many(table,
TABLE_STRING, "Normalized form:",
TABLE_STRING, t);
if (r < 0)
return table_log_add_error(r);
for (unsigned i = 0; i < arg_iterations; i++) {
usec_t next;
r = calendar_spec_next_usec(spec, n, &next);
if (r == -ENOENT) {
if (i == 0) {
r = table_add_many(table,
TABLE_STRING, "Next elapse:",
TABLE_STRING, "never",
TABLE_SET_COLOR, ansi_highlight_yellow());
if (r < 0)
return table_log_add_error(r);
}
break;
}
if (r < 0)
return log_error_errno(r, "Failed to determine next elapse for '%s': %m", p);
if (i == 0) {
r = table_add_many(table,
TABLE_STRING, "Next elapse:",
TABLE_TIMESTAMP, next,
TABLE_SET_COLOR, ansi_highlight_blue());
if (r < 0)
return table_log_add_error(r);
} else {
int k = DECIMAL_STR_WIDTH(i + 1);
if (k < 8)
k = 8 - k;
else
k = 0;
r = table_add_cell_stringf(table, NULL, "Iter. #%u:", i+1);
if (r < 0)
return table_log_add_error(r);
r = table_add_many(table,
TABLE_TIMESTAMP, next,
TABLE_SET_COLOR, ansi_highlight_blue());
if (r < 0)
return table_log_add_error(r);
}
if (!in_utc_timezone()) {
r = table_add_many(table,
TABLE_STRING, "(in UTC):",
TABLE_TIMESTAMP_UTC, next);
if (r < 0)
return table_log_add_error(r);
}
r = table_add_many(table,
TABLE_STRING, "From now:",
TABLE_TIMESTAMP_RELATIVE, next);
if (r < 0)
return table_log_add_error(r);
n = next;
}
return table_print(table, NULL);
}
static int test_calendar(int argc, char *argv[], void *userdata) {
int ret = 0, r;
char **p;
usec_t n;
if (arg_base_time != USEC_INFINITY)
n = arg_base_time;
else
n = now(CLOCK_REALTIME); /* We want to use the same "base" for all expressions */
STRV_FOREACH(p, strv_skip(argv, 1)) {
r = test_calendar_one(n, *p);
if (ret == 0 && r < 0)
ret = r;
if (*(p + 1))
putchar('\n');
}
return ret;
}
static int service_watchdogs(int argc, char *argv[], void *userdata) {
_cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
_cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
int b, r;
assert(IN_SET(argc, 1, 2));
assert(argv);
r = acquire_bus(&bus, NULL);
if (r < 0)
return bus_log_connect_error(r);
if (argc == 1) {
/* get ServiceWatchdogs */
r = bus_get_property_trivial(bus, bus_systemd_mgr, "ServiceWatchdogs", &error, 'b', &b);
if (r < 0)
return log_error_errno(r, "Failed to get service-watchdog state: %s", bus_error_message(&error, r));
printf("%s\n", yes_no(!!b));
} else {
/* set ServiceWatchdogs */
b = parse_boolean(argv[1]);
if (b < 0)
return log_error_errno(b, "Failed to parse service-watchdogs argument: %m");
r = bus_set_property(bus, bus_systemd_mgr, "ServiceWatchdogs", &error, "b", b);
if (r < 0)
return log_error_errno(r, "Failed to set service-watchdog state: %s", bus_error_message(&error, r));
}
return 0;
}
static int do_condition(int argc, char *argv[], void *userdata) {
return verify_conditions(strv_skip(argv, 1), arg_scope);
}
static int do_verify(int argc, char *argv[], void *userdata) {
return verify_units(strv_skip(argv, 1), arg_scope, arg_man, arg_generators);
}
static int do_security(int argc, char *argv[], void *userdata) {
_cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
int r;
r = acquire_bus(&bus, NULL);
if (r < 0)
return bus_log_connect_error(r);
(void) pager_open(arg_pager_flags);
return analyze_security(bus, strv_skip(argv, 1), 0);
}
static int help(int argc, char *argv[], void *userdata) {
_cleanup_free_ char *link = NULL, *dot_link = NULL;
int r;
(void) pager_open(arg_pager_flags);
r = terminal_urlify_man("systemd-analyze", "1", &link);
if (r < 0)
return log_oom();
/* Not using terminal_urlify_man() for this, since we don't want the "man page" text suffix in this case. */
r = terminal_urlify("man:dot(1)", "dot(1)", &dot_link);
if (r < 0)
return log_oom();
printf("%s [OPTIONS...] COMMAND ...\n\n"
"%sProfile systemd, show unit dependencies, check unit files.%s\n"
"\nCommands:\n"
" [time] Print time required to boot the machine\n"
" blame Print list of running units ordered by time to init\n"
" critical-chain [UNIT...] Print a tree of the time critical chain of units\n"
" plot Output SVG graphic showing service initialization\n"
" dot [UNIT...] Output dependency graph in %s format\n"
" dump Output state serialization of service manager\n"
" cat-config Show configuration file and drop-ins\n"
" unit-files List files and symlinks for units\n"
" unit-paths List load directories for units\n"
" exit-status [STATUS...] List exit status definitions\n"
" capability [CAP...] List capability definitions\n"
" syscall-filter [NAME...] Print list of syscalls in seccomp filter\n"
" condition CONDITION... Evaluate conditions and asserts\n"
" verify FILE... Check unit files for correctness\n"
" calendar SPEC... Validate repetitive calendar time events\n"
" timestamp TIMESTAMP... Validate a timestamp\n"
" timespan SPAN... Validate a time span\n"
" security [UNIT...] Analyze security of unit\n"
"\nOptions:\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"
" --global Operate on global user configuration\n"
" -H --host=[USER@]HOST Operate on remote host\n"
" -M --machine=CONTAINER Operate on local container\n"
" --order Show only order in the graph\n"
" --require Show only requirement in the graph\n"
" --from-pattern=GLOB Show only origins in the graph\n"
" --to-pattern=GLOB Show only destinations in the graph\n"
" --fuzz=SECONDS Also print services which finished SECONDS earlier\n"
" than the latest in the branch\n"
" --man[=BOOL] Do [not] check for existence of man pages\n"
" --generators[=BOOL] Do [not] run unit generators (requires privileges)\n"
" --iterations=N Show the specified number of iterations\n"
" --base-time=TIMESTAMP Calculate calendar times relative to specified time\n"
"\nSee the %s for details.\n"
, program_invocation_short_name
, ansi_highlight()
, ansi_normal()
, dot_link
, link
);
/* When updating this list, including descriptions, apply changes to
* shell-completion/bash/systemd-analyze and shell-completion/zsh/_systemd-analyze too. */
return 0;
}
static int parse_argv(int argc, char *argv[]) {
enum {
ARG_VERSION = 0x100,
ARG_ORDER,
ARG_REQUIRE,
ARG_ROOT,
ARG_SYSTEM,
ARG_USER,
ARG_GLOBAL,
ARG_DOT_FROM_PATTERN,
ARG_DOT_TO_PATTERN,
ARG_FUZZ,
ARG_NO_PAGER,
ARG_MAN,
ARG_GENERATORS,
ARG_ITERATIONS,
ARG_BASE_TIME,
};
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 },
{ "root", required_argument, NULL, ARG_ROOT },
{ "system", no_argument, NULL, ARG_SYSTEM },
{ "user", no_argument, NULL, ARG_USER },
{ "global", no_argument, NULL, ARG_GLOBAL },
{ "from-pattern", required_argument, NULL, ARG_DOT_FROM_PATTERN },
{ "to-pattern", required_argument, NULL, ARG_DOT_TO_PATTERN },
{ "fuzz", required_argument, NULL, ARG_FUZZ },
{ "no-pager", no_argument, NULL, ARG_NO_PAGER },
{ "man", optional_argument, NULL, ARG_MAN },
{ "generators", optional_argument, NULL, ARG_GENERATORS },
{ "host", required_argument, NULL, 'H' },
{ "machine", required_argument, NULL, 'M' },
{ "iterations", required_argument, NULL, ARG_ITERATIONS },
{ "base-time", required_argument, NULL, ARG_BASE_TIME },
{}
};
int r, c;
assert(argc >= 0);
assert(argv);
while ((c = getopt_long(argc, argv, "hH:M:", options, NULL)) >= 0)
switch (c) {
case 'h':
return help(0, NULL, NULL);
case ARG_VERSION:
return version();
case ARG_ROOT:
arg_root = optarg;
break;
case ARG_SYSTEM:
arg_scope = UNIT_FILE_SYSTEM;
break;
case ARG_USER:
arg_scope = UNIT_FILE_USER;
break;
case ARG_GLOBAL:
arg_scope = UNIT_FILE_GLOBAL;
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_pager_flags |= PAGER_DISABLE;
break;
case 'H':
arg_transport = BUS_TRANSPORT_REMOTE;
arg_host = optarg;
break;
case 'M':
arg_transport = BUS_TRANSPORT_MACHINE;
arg_host = optarg;
break;
case ARG_MAN:
if (optarg) {
r = parse_boolean(optarg);
if (r < 0)
return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
"Failed to parse --man= argument.");
arg_man = r;
} else
arg_man = true;
break;
case ARG_GENERATORS:
if (optarg) {
r = parse_boolean(optarg);
if (r < 0)
return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
"Failed to parse --generators= argument.");
arg_generators = r;
} else
arg_generators = true;
break;
case ARG_ITERATIONS:
r = safe_atou(optarg, &arg_iterations);
if (r < 0)
return log_error_errno(r, "Failed to parse iterations: %s", optarg);
break;
case ARG_BASE_TIME:
r = parse_timestamp(optarg, &arg_base_time);
if (r < 0)
return log_error_errno(r, "Failed to parse --base-time= parameter: %s", optarg);
break;
case '?':
return -EINVAL;
default:
assert_not_reached("Unhandled option code.");
}
if (arg_scope == UNIT_FILE_GLOBAL &&
!STR_IN_SET(argv[optind] ?: "time", "dot", "unit-paths", "verify"))
return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
"Option --global only makes sense with verbs dot, unit-paths, verify.");
if (streq_ptr(argv[optind], "cat-config") && arg_scope == UNIT_FILE_USER)
return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
"Option --user is not supported for cat-config right now.");
if (arg_root && !streq_ptr(argv[optind], "cat-config"))
return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
"Option --root is only supported for cat-config right now.");
return 1; /* work to do */
}
static int run(int argc, char *argv[]) {
static const Verb verbs[] = {
{ "help", VERB_ANY, VERB_ANY, 0, help },
{ "time", VERB_ANY, 1, VERB_DEFAULT, analyze_time },
{ "blame", VERB_ANY, 1, 0, analyze_blame },
{ "critical-chain", VERB_ANY, VERB_ANY, 0, analyze_critical_chain },
{ "plot", VERB_ANY, 1, 0, analyze_plot },
{ "dot", VERB_ANY, VERB_ANY, 0, dot },
/* The following seven verbs are deprecated */
{ "log-level", VERB_ANY, 2, 0, get_or_set_log_level },
{ "log-target", VERB_ANY, 2, 0, get_or_set_log_target },
{ "set-log-level", 2, 2, 0, set_log_level },
{ "get-log-level", VERB_ANY, 1, 0, get_log_level },
{ "set-log-target", 2, 2, 0, set_log_target },
{ "get-log-target", VERB_ANY, 1, 0, get_log_target },
{ "service-watchdogs", VERB_ANY, 2, 0, service_watchdogs },
{ "dump", VERB_ANY, 1, 0, dump },
{ "cat-config", 2, VERB_ANY, 0, cat_config },
{ "unit-files", VERB_ANY, VERB_ANY, 0, do_unit_files },
{ "unit-paths", 1, 1, 0, dump_unit_paths },
{ "exit-status", VERB_ANY, VERB_ANY, 0, dump_exit_status },
{ "syscall-filter", VERB_ANY, VERB_ANY, 0, dump_syscall_filters },
{ "capability", VERB_ANY, VERB_ANY, 0, dump_capabilities },
{ "condition", 2, VERB_ANY, 0, do_condition },
{ "verify", 2, VERB_ANY, 0, do_verify },
{ "calendar", 2, VERB_ANY, 0, test_calendar },
{ "timestamp", 2, VERB_ANY, 0, test_timestamp },
{ "timespan", 2, VERB_ANY, 0, dump_timespan },
{ "security", VERB_ANY, VERB_ANY, 0, do_security },
{}
};
int r;
setlocale(LC_ALL, "");
setlocale(LC_NUMERIC, "C"); /* we want to format/parse floats in C style */
log_setup_cli();
r = parse_argv(argc, argv);
if (r <= 0)
return r;
return dispatch_verb(argc, argv, verbs, NULL);
}
DEFINE_MAIN_FUNCTION(run);
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