1338 lines
48 KiB
C
1338 lines
48 KiB
C
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
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/***
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This file is part of systemd.
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Copyright 2010-2013 Lennart Poettering
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Copyright 2013 Simon Peeters
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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***/
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#include <stdio.h>
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#include <stdlib.h>
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#include <getopt.h>
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#include <locale.h>
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#include <sys/utsname.h>
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#include <fnmatch.h>
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#include "sd-bus.h"
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#include "bus-util.h"
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#include "bus-error.h"
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#include "install.h"
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#include "log.h"
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#include "build.h"
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#include "util.h"
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#include "strxcpyx.h"
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#include "fileio.h"
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#include "strv.h"
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#include "unit-name.h"
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#include "special.h"
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#include "hashmap.h"
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#include "pager.h"
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#define SCALE_X (0.1 / 1000.0) /* pixels per us */
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#define SCALE_Y 20.0
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#define compare(a, b) (((a) > (b))? 1 : (((b) > (a))? -1 : 0))
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#define svg(...) printf(__VA_ARGS__)
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#define svg_bar(class, x1, x2, y) \
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svg(" <rect class=\"%s\" x=\"%.03f\" y=\"%.03f\" width=\"%.03f\" height=\"%.03f\" />\n", \
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(class), \
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SCALE_X * (x1), SCALE_Y * (y), \
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SCALE_X * ((x2) - (x1)), SCALE_Y - 1.0)
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#define svg_text(b, x, y, format, ...) \
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do { \
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svg(" <text class=\"%s\" x=\"%.03f\" y=\"%.03f\">", (b) ? "left" : "right", SCALE_X * (x) + (b ? 5.0 : -5.0), SCALE_Y * (y) + 14.0); \
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svg(format, ## __VA_ARGS__); \
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svg("</text>\n"); \
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} while(false)
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static enum dot {
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DEP_ALL,
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DEP_ORDER,
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DEP_REQUIRE
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} arg_dot = DEP_ALL;
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static char** arg_dot_from_patterns = NULL;
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static char** arg_dot_to_patterns = NULL;
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static usec_t arg_fuzz = 0;
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static bool arg_no_pager = false;
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static BusTransport arg_transport = BUS_TRANSPORT_LOCAL;
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static char *arg_host = NULL;
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static bool arg_user = false;
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struct boot_times {
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usec_t firmware_time;
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usec_t loader_time;
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usec_t kernel_time;
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usec_t kernel_done_time;
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usec_t initrd_time;
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usec_t userspace_time;
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usec_t finish_time;
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usec_t generators_start_time;
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usec_t generators_finish_time;
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usec_t unitsload_start_time;
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usec_t unitsload_finish_time;
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};
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struct unit_info {
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const char *id;
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const char *description;
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const char *load_state;
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const char *active_state;
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const char *sub_state;
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const char *following;
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const char *unit_path;
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uint32_t job_id;
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const char *job_type;
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const char *job_path;
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};
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struct unit_times {
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char *name;
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usec_t activating;
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usec_t activated;
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usec_t deactivated;
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usec_t deactivating;
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usec_t time;
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};
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static void pager_open_if_enabled(void) {
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if (arg_no_pager)
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return;
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pager_open(false);
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}
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static int bus_get_uint64_property(sd_bus *bus, const char *path, const char *interface, const char *property, uint64_t *val) {
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_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
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int r;
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r = sd_bus_get_property_trivial(
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bus,
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"org.freedesktop.systemd1",
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path,
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interface,
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property,
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&error,
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't', val);
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if (r < 0) {
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log_error("Failed to parse reply: %s", bus_error_message(&error, -r));
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return r;
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}
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return 0;
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}
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static int compare_unit_time(const void *a, const void *b) {
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return compare(((struct unit_times *)b)->time,
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((struct unit_times *)a)->time);
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}
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static int compare_unit_start(const void *a, const void *b) {
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return compare(((struct unit_times *)a)->activating,
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((struct unit_times *)b)->activating);
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}
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static int get_os_name(char **_n) {
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char *n = NULL;
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int r;
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r = parse_env_file("/etc/os-release", NEWLINE, "PRETTY_NAME", &n, NULL);
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if (r < 0)
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return r;
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if (!n)
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return -ENOENT;
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*_n = n;
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return 0;
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}
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static void free_unit_times(struct unit_times *t, unsigned n) {
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struct unit_times *p;
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for (p = t; p < t + n; p++)
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free(p->name);
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free(t);
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}
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static int bus_parse_unit_info(sd_bus_message *message, struct unit_info *u) {
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int r = 0;
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assert(message);
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assert(u);
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r = sd_bus_message_read(message, "(ssssssouso)", &u->id,
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&u->description,
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&u->load_state,
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&u->active_state,
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&u->sub_state,
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&u->following,
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&u->unit_path,
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&u->job_id,
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&u->job_type,
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&u->job_path);
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if (r < 0)
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return bus_log_parse_error(r);
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return r;
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}
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static int bus_get_unit_property_strv(sd_bus *bus, const char *unit_path, const char *prop, char ***strv) {
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_cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
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_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
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int r;
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const char *s;
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r = sd_bus_get_property(
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bus,
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"org.freedesktop.systemd1",
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unit_path,
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"org.freedesktop.systemd1.Unit",
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prop,
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&error,
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&reply,
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"as");
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if (r < 0) {
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log_error("Failed to get unit property: %s %s", prop, bus_error_message(&error, -r));
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return r;
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}
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r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "s");
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if (r < 0)
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return r;
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while ((r = sd_bus_message_read(reply, "s", &s)) > 0) {
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r = strv_extend(strv, s);
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if (r < 0) {
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log_oom();
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return r;
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}
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}
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if (r < 0)
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return bus_log_parse_error(r);
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return r;
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}
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static int acquire_time_data(sd_bus *bus, struct unit_times **out) {
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_cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
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_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
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int r, c = 0, n_units = 0;
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struct unit_times *unit_times = NULL;
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struct unit_info u;
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r = sd_bus_call_method(
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bus,
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"org.freedesktop.systemd1",
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"/org/freedesktop/systemd1",
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"org.freedesktop.systemd1.Manager",
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"ListUnits",
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&error,
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&reply,
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"");
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if (r < 0) {
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log_error("Failed to parse reply: %s", bus_error_message(&error, -r));
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goto fail;
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}
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r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssssssouso)");
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if (r < 0)
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goto fail;
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while ((r = bus_parse_unit_info(reply, &u)) > 0) {
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struct unit_times *t;
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if (r < 0)
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goto fail;
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if (c >= n_units) {
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struct unit_times *w;
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n_units = MAX(2*c, 16);
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w = realloc(unit_times, sizeof(struct unit_times) * n_units);
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if (!w) {
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r = log_oom();
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goto fail;
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}
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unit_times = w;
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}
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t = unit_times+c;
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t->name = NULL;
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assert_cc(sizeof(usec_t) == sizeof(uint64_t));
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if (bus_get_uint64_property(bus, u.unit_path,
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"org.freedesktop.systemd1.Unit",
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"InactiveExitTimestampMonotonic",
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&t->activating) < 0 ||
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bus_get_uint64_property(bus, u.unit_path,
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"org.freedesktop.systemd1.Unit",
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"ActiveEnterTimestampMonotonic",
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&t->activated) < 0 ||
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bus_get_uint64_property(bus, u.unit_path,
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"org.freedesktop.systemd1.Unit",
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"ActiveExitTimestampMonotonic",
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&t->deactivating) < 0 ||
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bus_get_uint64_property(bus, u.unit_path,
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"org.freedesktop.systemd1.Unit",
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"InactiveEnterTimestampMonotonic",
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&t->deactivated) < 0) {
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r = -EIO;
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goto fail;
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}
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if (t->activated >= t->activating)
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t->time = t->activated - t->activating;
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else if (t->deactivated >= t->activating)
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t->time = t->deactivated - t->activating;
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else
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t->time = 0;
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if (t->activating == 0)
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continue;
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t->name = strdup(u.id);
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if (t->name == NULL) {
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r = log_oom();
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goto fail;
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}
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c++;
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}
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*out = unit_times;
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return c;
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fail:
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free_unit_times(unit_times, (unsigned) c);
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return r;
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}
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static int acquire_boot_times(sd_bus *bus, struct boot_times **bt) {
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static struct boot_times times;
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static bool cached = false;
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if (cached)
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goto finish;
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assert_cc(sizeof(usec_t) == sizeof(uint64_t));
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if (bus_get_uint64_property(bus,
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"/org/freedesktop/systemd1",
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"org.freedesktop.systemd1.Manager",
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"FirmwareTimestampMonotonic",
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×.firmware_time) < 0 ||
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bus_get_uint64_property(bus,
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"/org/freedesktop/systemd1",
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"org.freedesktop.systemd1.Manager",
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"LoaderTimestampMonotonic",
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×.loader_time) < 0 ||
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bus_get_uint64_property(bus,
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"/org/freedesktop/systemd1",
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"org.freedesktop.systemd1.Manager",
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"KernelTimestamp",
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×.kernel_time) < 0 ||
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bus_get_uint64_property(bus,
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"/org/freedesktop/systemd1",
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"org.freedesktop.systemd1.Manager",
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"InitRDTimestampMonotonic",
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×.initrd_time) < 0 ||
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bus_get_uint64_property(bus,
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"/org/freedesktop/systemd1",
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"org.freedesktop.systemd1.Manager",
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"UserspaceTimestampMonotonic",
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×.userspace_time) < 0 ||
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bus_get_uint64_property(bus,
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"/org/freedesktop/systemd1",
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"org.freedesktop.systemd1.Manager",
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"FinishTimestampMonotonic",
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×.finish_time) < 0 ||
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bus_get_uint64_property(bus,
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"/org/freedesktop/systemd1",
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"org.freedesktop.systemd1.Manager",
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"GeneratorsStartTimestampMonotonic",
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×.generators_start_time) < 0 ||
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bus_get_uint64_property(bus,
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"/org/freedesktop/systemd1",
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"org.freedesktop.systemd1.Manager",
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"GeneratorsFinishTimestampMonotonic",
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×.generators_finish_time) < 0 ||
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bus_get_uint64_property(bus,
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"/org/freedesktop/systemd1",
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"org.freedesktop.systemd1.Manager",
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"UnitsLoadStartTimestampMonotonic",
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×.unitsload_start_time) < 0 ||
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bus_get_uint64_property(bus,
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"/org/freedesktop/systemd1",
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"org.freedesktop.systemd1.Manager",
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"UnitsLoadFinishTimestampMonotonic",
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×.unitsload_finish_time) < 0)
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return -EIO;
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if (times.finish_time <= 0) {
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log_error("Bootup is not yet finished. Please try again later.");
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return -EAGAIN;
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}
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if (times.initrd_time)
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times.kernel_done_time = times.initrd_time;
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else
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times.kernel_done_time = times.userspace_time;
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cached = true;
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finish:
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*bt = ×
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return 0;
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}
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static int pretty_boot_time(sd_bus *bus, char **_buf) {
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char ts[FORMAT_TIMESPAN_MAX];
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struct boot_times *t;
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static char buf[4096];
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size_t size;
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char *ptr;
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int r;
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r = acquire_boot_times(bus, &t);
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if (r < 0)
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return r;
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ptr = buf;
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size = sizeof(buf);
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|
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size = strpcpyf(&ptr, size, "Startup finished in ");
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if (t->firmware_time)
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size = strpcpyf(&ptr, size, "%s (firmware) + ", format_timespan(ts, sizeof(ts), t->firmware_time - t->loader_time, USEC_PER_MSEC));
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if (t->loader_time)
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size = strpcpyf(&ptr, size, "%s (loader) + ", format_timespan(ts, sizeof(ts), t->loader_time, USEC_PER_MSEC));
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if (t->kernel_time)
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size = strpcpyf(&ptr, size, "%s (kernel) + ", format_timespan(ts, sizeof(ts), t->kernel_done_time, USEC_PER_MSEC));
|
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if (t->initrd_time > 0)
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size = strpcpyf(&ptr, size, "%s (initrd) + ", format_timespan(ts, sizeof(ts), t->userspace_time - t->initrd_time, USEC_PER_MSEC));
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|
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size = strpcpyf(&ptr, size, "%s (userspace) ", format_timespan(ts, sizeof(ts), t->finish_time - t->userspace_time, USEC_PER_MSEC));
|
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if (t->kernel_time > 0)
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strpcpyf(&ptr, size, "= %s", format_timespan(ts, sizeof(ts), t->firmware_time + t->finish_time, USEC_PER_MSEC));
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else
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strpcpyf(&ptr, size, "= %s", format_timespan(ts, sizeof(ts), t->finish_time - t->userspace_time, USEC_PER_MSEC));
|
|
|
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ptr = strdup(buf);
|
|
if (!ptr)
|
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return log_oom();
|
|
|
|
*_buf = ptr;
|
|
return 0;
|
|
}
|
|
|
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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);
|
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else
|
|
svg(" <line class=\"sec01\" x1=\"%.03f\" y1=\"0\" x2=\"%.03f\" y2=\"%.03f\" />\n",
|
|
SCALE_X * i, SCALE_X * i, SCALE_Y * height);
|
|
}
|
|
}
|
|
|
|
static int analyze_plot(sd_bus *bus) {
|
|
struct unit_times *times;
|
|
struct boot_times *boot;
|
|
struct utsname name;
|
|
int n, m = 1, y=0;
|
|
double width;
|
|
_cleanup_free_ char *pretty_times = NULL, *osname = NULL;
|
|
struct unit_times *u;
|
|
|
|
n = acquire_boot_times(bus, &boot);
|
|
if (n < 0)
|
|
return n;
|
|
|
|
n = pretty_boot_time(bus, &pretty_times);
|
|
if (n < 0)
|
|
return n;
|
|
|
|
get_os_name(&osname);
|
|
assert_se(uname(&name) >= 0);
|
|
|
|
n = acquire_time_data(bus, ×);
|
|
if (n <= 0)
|
|
return n;
|
|
|
|
qsort(times, n, sizeof(struct unit_times), compare_unit_start);
|
|
|
|
width = SCALE_X * (boot->firmware_time + boot->finish_time);
|
|
if (width < 800.0)
|
|
width = 800.0;
|
|
|
|
if (boot->firmware_time > boot->loader_time)
|
|
m++;
|
|
if (boot->loader_time) {
|
|
m++;
|
|
if (width < 1000.0)
|
|
width = 1000.0;
|
|
}
|
|
if (boot->initrd_time)
|
|
m++;
|
|
if (boot->kernel_time)
|
|
m++;
|
|
|
|
for (u = times; u < times + n; u++) {
|
|
double text_start, text_width;
|
|
|
|
if (u->activating < boot->userspace_time ||
|
|
u->activating > boot->finish_time) {
|
|
free(u->name);
|
|
u->name = NULL;
|
|
continue;
|
|
}
|
|
|
|
/* If the text cannot fit on the left side then
|
|
* increase the svg width so it fits on the right.
|
|
* TODO: calculate the text width more accurately */
|
|
text_width = 8.0 * strlen(u->name);
|
|
text_start = (boot->firmware_time + u->activating) * SCALE_X;
|
|
if (text_width > text_start && text_width + text_start > width)
|
|
width = text_width + text_start;
|
|
|
|
if (u->deactivated > u->activating && u->deactivated <= boot->finish_time
|
|
&& u->activated == 0 && u->deactivating == 0)
|
|
u->activated = u->deactivating = u->deactivated;
|
|
if (u->activated < u->activating || u->activated > boot->finish_time)
|
|
u->activated = boot->finish_time;
|
|
if (u->deactivating < u->activated || u->activated > boot->finish_time)
|
|
u->deactivating = boot->finish_time;
|
|
if (u->deactivated < u->deactivating || u->deactivated > boot->finish_time)
|
|
u->deactivated = boot->finish_time;
|
|
m++;
|
|
}
|
|
|
|
svg("<?xml version=\"1.0\" standalone=\"no\"?>\n"
|
|
"<!DOCTYPE svg PUBLIC \"-//W3C//DTD SVG 1.1//EN\" "
|
|
"\"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd\">\n");
|
|
|
|
svg("<svg width=\"%.0fpx\" height=\"%.0fpx\" version=\"1.1\" "
|
|
"xmlns=\"http://www.w3.org/2000/svg\">\n\n",
|
|
80.0 + width, 150.0 + (m * SCALE_Y) +
|
|
5 * SCALE_Y /* legend */);
|
|
|
|
/* write some basic info as a comment, including some help */
|
|
svg("<!-- This file is a systemd-analyze SVG file. It is best rendered in a -->\n"
|
|
"<!-- browser such as Chrome, Chromium or Firefox. Other applications -->\n"
|
|
"<!-- that render these files properly but much slower are ImageMagick, -->\n"
|
|
"<!-- gimp, inkscape, etc. To display the files on your system, just -->\n"
|
|
"<!-- point your browser to this file. -->\n\n"
|
|
"<!-- This plot was generated by systemd-analyze version %-16.16s -->\n\n", VERSION);
|
|
|
|
/* style sheet */
|
|
svg("<defs>\n <style type=\"text/css\">\n <![CDATA[\n"
|
|
" rect { stroke-width: 1; stroke-opacity: 0; }\n"
|
|
" rect.background { fill: rgb(255,255,255); }\n"
|
|
" rect.activating { fill: rgb(255,0,0); fill-opacity: 0.7; }\n"
|
|
" rect.active { fill: rgb(200,150,150); fill-opacity: 0.7; }\n"
|
|
" rect.deactivating { fill: rgb(150,100,100); fill-opacity: 0.7; }\n"
|
|
" rect.kernel { fill: rgb(150,150,150); fill-opacity: 0.7; }\n"
|
|
" rect.initrd { fill: rgb(150,150,150); fill-opacity: 0.7; }\n"
|
|
" rect.firmware { fill: rgb(150,150,150); fill-opacity: 0.7; }\n"
|
|
" rect.loader { fill: rgb(150,150,150); fill-opacity: 0.7; }\n"
|
|
" rect.userspace { fill: rgb(150,150,150); fill-opacity: 0.7; }\n"
|
|
" rect.generators { fill: rgb(102,204,255); fill-opacity: 0.7; }\n"
|
|
" rect.unitsload { fill: rgb( 82,184,255); fill-opacity: 0.7; }\n"
|
|
" rect.box { fill: rgb(240,240,240); stroke: rgb(192,192,192); }\n"
|
|
" line { stroke: rgb(64,64,64); stroke-width: 1; }\n"
|
|
"// line.sec1 { }\n"
|
|
" line.sec5 { stroke-width: 2; }\n"
|
|
" line.sec01 { stroke: rgb(224,224,224); stroke-width: 1; }\n"
|
|
" text { font-family: Verdana, Helvetica; font-size: 14px; }\n"
|
|
" text.left { font-family: Verdana, Helvetica; font-size: 14px; text-anchor: start; }\n"
|
|
" text.right { font-family: Verdana, Helvetica; font-size: 14px; text-anchor: end; }\n"
|
|
" text.sec { font-size: 10px; }\n"
|
|
" ]]>\n </style>\n</defs>\n\n");
|
|
|
|
svg("<rect class=\"background\" width=\"100%%\" height=\"100%%\" />\n");
|
|
svg("<text x=\"20\" y=\"50\">%s</text>", pretty_times);
|
|
svg("<text x=\"20\" y=\"30\">%s %s (%s %s) %s</text>",
|
|
isempty(osname) ? "Linux" : osname,
|
|
name.nodename, name.release, name.version, name.machine);
|
|
|
|
svg("<g transform=\"translate(%.3f,100)\">\n", 20.0 + (SCALE_X * boot->firmware_time));
|
|
svg_graph_box(m, -boot->firmware_time, boot->finish_time);
|
|
|
|
if (boot->firmware_time) {
|
|
svg_bar("firmware", -(double) boot->firmware_time, -(double) boot->loader_time, y);
|
|
svg_text(true, -(double) boot->firmware_time, y, "firmware");
|
|
y++;
|
|
}
|
|
if (boot->loader_time) {
|
|
svg_bar("loader", -(double) boot->loader_time, 0, y);
|
|
svg_text(true, -(double) boot->loader_time, y, "loader");
|
|
y++;
|
|
}
|
|
if (boot->kernel_time) {
|
|
svg_bar("kernel", 0, boot->kernel_done_time, y);
|
|
svg_text(true, 0, y, "kernel");
|
|
y++;
|
|
}
|
|
if (boot->initrd_time) {
|
|
svg_bar("initrd", boot->initrd_time, boot->userspace_time, y);
|
|
svg_text(true, boot->initrd_time, y, "initrd");
|
|
y++;
|
|
}
|
|
svg_bar("active", boot->userspace_time, boot->finish_time, y);
|
|
svg_bar("generators", boot->generators_start_time, boot->generators_finish_time, y);
|
|
svg_bar("unitsload", boot->unitsload_start_time, boot->unitsload_finish_time, y);
|
|
svg_text(true, boot->userspace_time, y, "systemd");
|
|
y++;
|
|
|
|
for (u = times; u < times + n; u++) {
|
|
char ts[FORMAT_TIMESPAN_MAX];
|
|
bool b;
|
|
|
|
if (!u->name)
|
|
continue;
|
|
|
|
svg_bar("activating", u->activating, u->activated, y);
|
|
svg_bar("active", u->activated, u->deactivating, y);
|
|
svg_bar("deactivating", u->deactivating, u->deactivated, y);
|
|
|
|
/* place the text on the left if we have passed the half of the svg width */
|
|
b = u->activating * SCALE_X < width / 2;
|
|
if (u->time)
|
|
svg_text(b, u->activating, y, "%s (%s)",
|
|
u->name, format_timespan(ts, sizeof(ts), u->time, USEC_PER_MSEC));
|
|
else
|
|
svg_text(b, u->activating, y, "%s", u->name);
|
|
y++;
|
|
}
|
|
|
|
/* Legend */
|
|
y++;
|
|
svg_bar("activating", 0, 300000, y);
|
|
svg_text(true, 400000, y, "Activating");
|
|
y++;
|
|
svg_bar("active", 0, 300000, y);
|
|
svg_text(true, 400000, y, "Active");
|
|
y++;
|
|
svg_bar("deactivating", 0, 300000, y);
|
|
svg_text(true, 400000, y, "Deactivating");
|
|
y++;
|
|
svg_bar("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>");
|
|
|
|
free_unit_times(times, (unsigned) n);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int list_dependencies_print(const char *name, unsigned int level, unsigned int branches,
|
|
bool last, struct unit_times *times, struct boot_times *boot) {
|
|
unsigned int i;
|
|
char ts[FORMAT_TIMESPAN_MAX], ts2[FORMAT_TIMESPAN_MAX];
|
|
|
|
for (i = level; i != 0; i--)
|
|
printf("%s", draw_special_char(branches & (1 << (i-1)) ? DRAW_TREE_VERT : DRAW_TREE_SPACE));
|
|
|
|
printf("%s", draw_special_char(last ? DRAW_TREE_RIGHT : DRAW_TREE_BRANCH));
|
|
|
|
if (times) {
|
|
if (times->time)
|
|
printf("%s%s @%s +%s%s", ANSI_HIGHLIGHT_RED_ON, name,
|
|
format_timespan(ts, sizeof(ts), times->activating - boot->userspace_time, USEC_PER_MSEC),
|
|
format_timespan(ts2, sizeof(ts2), times->time, USEC_PER_MSEC), ANSI_HIGHLIGHT_OFF);
|
|
else if (times->activated > boot->userspace_time)
|
|
printf("%s @%s", name, format_timespan(ts, sizeof(ts), times->activated - boot->userspace_time, USEC_PER_MSEC));
|
|
else
|
|
printf("%s", name);
|
|
} else printf("%s", name);
|
|
printf("\n");
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int list_dependencies_get_dependencies(sd_bus *bus, const char *name, char ***deps) {
|
|
_cleanup_free_ char *path;
|
|
|
|
int r = 0;
|
|
char **ret = NULL;
|
|
|
|
assert(bus);
|
|
assert(name);
|
|
assert(deps);
|
|
|
|
path = unit_dbus_path_from_name(name);
|
|
if (path == NULL)
|
|
return -EINVAL;
|
|
|
|
r = bus_get_unit_property_strv(bus, path, "After", &ret);
|
|
|
|
if (r < 0)
|
|
strv_free(ret);
|
|
else
|
|
*deps = ret;
|
|
return r;
|
|
}
|
|
|
|
static Hashmap *unit_times_hashmap;
|
|
|
|
static int list_dependencies_compare(const void *_a, const void *_b) {
|
|
const char **a = (const char**) _a, **b = (const char**) _b;
|
|
usec_t usa = 0, usb = 0;
|
|
struct unit_times *times;
|
|
|
|
times = hashmap_get(unit_times_hashmap, *a);
|
|
if (times)
|
|
usa = times->activated;
|
|
times = hashmap_get(unit_times_hashmap, *b);
|
|
if (times)
|
|
usb = times->activated;
|
|
|
|
return usb - usa;
|
|
}
|
|
|
|
static int list_dependencies_one(sd_bus *bus, const char *name, unsigned int level, char ***units,
|
|
unsigned int branches) {
|
|
_cleanup_strv_free_ char **deps = NULL;
|
|
char **c;
|
|
int r = 0;
|
|
usec_t service_longest = 0;
|
|
int to_print = 0;
|
|
struct unit_times *times;
|
|
struct boot_times *boot;
|
|
|
|
if(strv_extend(units, name))
|
|
return log_oom();
|
|
|
|
r = list_dependencies_get_dependencies(bus, name, &deps);
|
|
if (r < 0)
|
|
return r;
|
|
|
|
qsort_safe(deps, strv_length(deps), sizeof (char*), list_dependencies_compare);
|
|
|
|
r = acquire_boot_times(bus, &boot);
|
|
if (r < 0)
|
|
return r;
|
|
|
|
STRV_FOREACH(c, deps) {
|
|
times = hashmap_get(unit_times_hashmap, *c);
|
|
if (times
|
|
&& times->activated
|
|
&& times->activated <= boot->finish_time
|
|
&& (times->activated >= service_longest
|
|
|| service_longest == 0)) {
|
|
service_longest = times->activated;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (service_longest == 0 )
|
|
return r;
|
|
|
|
STRV_FOREACH(c, deps) {
|
|
times = hashmap_get(unit_times_hashmap, *c);
|
|
if (times && times->activated
|
|
&& times->activated <= boot->finish_time
|
|
&& (service_longest - times->activated) <= arg_fuzz) {
|
|
to_print++;
|
|
}
|
|
}
|
|
|
|
if(!to_print)
|
|
return r;
|
|
|
|
STRV_FOREACH(c, deps) {
|
|
times = hashmap_get(unit_times_hashmap, *c);
|
|
if (!times
|
|
|| !times->activated
|
|
|| times->activated > boot->finish_time
|
|
|| service_longest - times->activated > arg_fuzz)
|
|
continue;
|
|
|
|
to_print--;
|
|
|
|
r = list_dependencies_print(*c, level, branches, to_print == 0, times, boot);
|
|
if (r < 0)
|
|
return r;
|
|
|
|
if (strv_contains(*units, *c)) {
|
|
r = list_dependencies_print("...", level + 1, (branches << 1) | (to_print ? 1 : 0),
|
|
true, NULL, boot);
|
|
if (r < 0)
|
|
return r;
|
|
continue;
|
|
}
|
|
|
|
r = list_dependencies_one(bus, *c, level + 1, units,
|
|
(branches << 1) | (to_print ? 1 : 0));
|
|
if (r < 0)
|
|
return r;
|
|
|
|
if (!to_print)
|
|
break;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int list_dependencies(sd_bus *bus, const char *name) {
|
|
_cleanup_strv_free_ char **units = NULL;
|
|
char ts[FORMAT_TIMESPAN_MAX];
|
|
struct unit_times *times;
|
|
int r;
|
|
const char *path, *id;
|
|
_cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
|
|
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
|
|
struct boot_times *boot;
|
|
|
|
assert(bus);
|
|
|
|
path = unit_dbus_path_from_name(name);
|
|
if (path == NULL)
|
|
return -EINVAL;
|
|
|
|
r = sd_bus_get_property(
|
|
bus,
|
|
"org.freedesktop.systemd1",
|
|
path,
|
|
"org.freedesktop.systemd1.Unit",
|
|
"Id",
|
|
&error,
|
|
&reply,
|
|
"s");
|
|
if (r < 0) {
|
|
log_error("Failed to get ID: %s", bus_error_message(&error, -r));
|
|
return r;
|
|
}
|
|
|
|
r = sd_bus_message_read(reply, "s", &id);
|
|
if (r < 0)
|
|
return bus_log_parse_error(r);
|
|
|
|
times = hashmap_get(unit_times_hashmap, id);
|
|
|
|
r = acquire_boot_times(bus, &boot);
|
|
if (r < 0)
|
|
return r;
|
|
|
|
if (times) {
|
|
if (times->time)
|
|
printf("%s%s +%s%s\n", ANSI_HIGHLIGHT_RED_ON, id,
|
|
format_timespan(ts, sizeof(ts), times->time, USEC_PER_MSEC), ANSI_HIGHLIGHT_OFF);
|
|
else if (times->activated > boot->userspace_time)
|
|
printf("%s @%s\n", id, format_timespan(ts, sizeof(ts), times->activated - boot->userspace_time, USEC_PER_MSEC));
|
|
else
|
|
printf("%s\n", id);
|
|
}
|
|
|
|
return list_dependencies_one(bus, name, 0, &units, 0);
|
|
}
|
|
|
|
static int analyze_critical_chain(sd_bus *bus, char *names[]) {
|
|
struct unit_times *times;
|
|
int n, r;
|
|
unsigned int i;
|
|
Hashmap *h;
|
|
|
|
n = acquire_time_data(bus, ×);
|
|
if (n <= 0)
|
|
return n;
|
|
|
|
h = hashmap_new(string_hash_func, string_compare_func);
|
|
if (!h)
|
|
return -ENOMEM;
|
|
|
|
for (i = 0; i < (unsigned)n; i++) {
|
|
r = hashmap_put(h, times[i].name, ×[i]);
|
|
if (r < 0)
|
|
return r;
|
|
}
|
|
unit_times_hashmap = h;
|
|
|
|
pager_open_if_enabled();
|
|
|
|
puts("The time after the unit is active or started is printed after the \"@\" character.\n"
|
|
"The time the unit takes to start is printed after the \"+\" character.\n");
|
|
|
|
if (!strv_isempty(names)) {
|
|
char **name;
|
|
STRV_FOREACH(name, names)
|
|
list_dependencies(bus, *name);
|
|
} else
|
|
list_dependencies(bus, SPECIAL_DEFAULT_TARGET);
|
|
|
|
hashmap_free(h);
|
|
free_unit_times(times, (unsigned) n);
|
|
return 0;
|
|
}
|
|
|
|
static int analyze_blame(sd_bus *bus) {
|
|
struct unit_times *times;
|
|
unsigned i;
|
|
int n;
|
|
|
|
n = acquire_time_data(bus, ×);
|
|
if (n <= 0)
|
|
return n;
|
|
|
|
qsort(times, n, sizeof(struct unit_times), compare_unit_time);
|
|
|
|
pager_open_if_enabled();
|
|
|
|
for (i = 0; i < (unsigned) n; i++) {
|
|
char ts[FORMAT_TIMESPAN_MAX];
|
|
|
|
if (times[i].time > 0)
|
|
printf("%16s %s\n", format_timespan(ts, sizeof(ts), times[i].time, USEC_PER_MSEC), times[i].name);
|
|
}
|
|
|
|
free_unit_times(times, (unsigned) n);
|
|
return 0;
|
|
}
|
|
|
|
static int analyze_time(sd_bus *bus) {
|
|
_cleanup_free_ char *buf = NULL;
|
|
int r;
|
|
|
|
r = pretty_boot_time(bus, &buf);
|
|
if (r < 0)
|
|
return r;
|
|
|
|
puts(buf);
|
|
return 0;
|
|
}
|
|
|
|
static int graph_one_property(sd_bus *bus, const struct unit_info *u, const char* prop, const char *color, char* patterns[]) {
|
|
_cleanup_strv_free_ char **units = NULL;
|
|
char **unit;
|
|
int r;
|
|
|
|
assert(u);
|
|
assert(prop);
|
|
assert(color);
|
|
|
|
r = bus_get_unit_property_strv(bus, u->unit_path, prop, &units);
|
|
if (r < 0)
|
|
return -r;
|
|
|
|
STRV_FOREACH(unit, units) {
|
|
char **p;
|
|
bool match_found;
|
|
|
|
if (!strv_isempty(arg_dot_from_patterns)) {
|
|
match_found = false;
|
|
|
|
STRV_FOREACH(p, arg_dot_from_patterns)
|
|
if (fnmatch(*p, u->id, 0) == 0) {
|
|
match_found = true;
|
|
break;
|
|
}
|
|
|
|
if (!match_found)
|
|
continue;
|
|
}
|
|
|
|
if (!strv_isempty(arg_dot_to_patterns)) {
|
|
match_found = false;
|
|
|
|
STRV_FOREACH(p, arg_dot_to_patterns)
|
|
if (fnmatch(*p, *unit, 0) == 0) {
|
|
match_found = true;
|
|
break;
|
|
}
|
|
|
|
if (!match_found)
|
|
continue;
|
|
}
|
|
|
|
if (!strv_isempty(patterns)) {
|
|
match_found = false;
|
|
|
|
STRV_FOREACH(p, patterns)
|
|
if (fnmatch(*p, u->id, 0) == 0 || fnmatch(*p, *unit, 0) == 0) {
|
|
match_found = true;
|
|
break;
|
|
}
|
|
if (!match_found)
|
|
continue;
|
|
}
|
|
|
|
printf("\t\"%s\"->\"%s\" [color=\"%s\"];\n", u->id, *unit, color);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int graph_one(sd_bus *bus, const struct unit_info *u, char *patterns[]) {
|
|
int r;
|
|
|
|
assert(bus);
|
|
assert(u);
|
|
|
|
if (arg_dot == DEP_ORDER ||arg_dot == DEP_ALL) {
|
|
r = graph_one_property(bus, u, "After", "green", patterns);
|
|
if (r < 0)
|
|
return r;
|
|
}
|
|
|
|
if (arg_dot == DEP_REQUIRE ||arg_dot == DEP_ALL) {
|
|
r = graph_one_property(bus, u, "Requires", "black", patterns);
|
|
if (r < 0)
|
|
return r;
|
|
r = graph_one_property(bus, u, "RequiresOverridable", "black", patterns);
|
|
if (r < 0)
|
|
return r;
|
|
r = graph_one_property(bus, u, "RequisiteOverridable", "darkblue", patterns);
|
|
if (r < 0)
|
|
return r;
|
|
r = graph_one_property(bus, u, "Wants", "grey66", patterns);
|
|
if (r < 0)
|
|
return r;
|
|
r = graph_one_property(bus, u, "Conflicts", "red", patterns);
|
|
if (r < 0)
|
|
return r;
|
|
r = graph_one_property(bus, u, "ConflictedBy", "red", patterns);
|
|
if (r < 0)
|
|
return r;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int dot(sd_bus *bus, char* patterns[]) {
|
|
_cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
|
|
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
|
|
int r;
|
|
struct unit_info u;
|
|
|
|
r = sd_bus_call_method(
|
|
bus,
|
|
"org.freedesktop.systemd1",
|
|
"/org/freedesktop/systemd1",
|
|
"org.freedesktop.systemd1.Manager",
|
|
"ListUnits",
|
|
&error,
|
|
&reply,
|
|
"");
|
|
if (r < 0) {
|
|
log_error("Failed to parse reply: %s", bus_error_message(&error, -r));
|
|
return r;
|
|
}
|
|
|
|
r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssssssouso)");
|
|
if (r < 0)
|
|
return r;
|
|
|
|
printf("digraph systemd {\n");
|
|
|
|
while ((r = bus_parse_unit_info(reply, &u)) > 0) {
|
|
r = graph_one(bus, &u, patterns);
|
|
if (r < 0)
|
|
return r;
|
|
}
|
|
|
|
printf("}\n");
|
|
|
|
log_info(" Color legend: black = Requires\n"
|
|
" dark blue = Requisite\n"
|
|
" dark grey = Wants\n"
|
|
" red = Conflicts\n"
|
|
" green = After\n");
|
|
|
|
if (on_tty())
|
|
log_notice("-- You probably want to process this output with graphviz' dot tool.\n"
|
|
"-- Try a shell pipeline like 'systemd-analyze dot | dot -Tsvg > systemd.svg'!\n");
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int dump(sd_bus *bus, char **args) {
|
|
_cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
|
|
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
|
|
const char *text = NULL;
|
|
int r;
|
|
|
|
if (!strv_isempty(args)) {
|
|
log_error("Too many arguments.");
|
|
return -E2BIG;
|
|
}
|
|
|
|
pager_open_if_enabled();
|
|
|
|
r = sd_bus_call_method(
|
|
bus,
|
|
"org.freedesktop.systemd1",
|
|
"/org/freedesktop/systemd1",
|
|
"org.freedesktop.systemd1.Manager",
|
|
"Dump",
|
|
&error,
|
|
&reply,
|
|
"");
|
|
if (r < 0) {
|
|
log_error("Failed to parse reply: %s", bus_error_message(&error, -r));
|
|
return r;
|
|
}
|
|
|
|
r = sd_bus_message_read(reply, "s", &text);
|
|
if (r < 0)
|
|
return bus_log_parse_error(r);
|
|
|
|
fputs(text, stdout);
|
|
return 0;
|
|
}
|
|
|
|
static int set_log_level(sd_bus *bus, char **args) {
|
|
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
|
|
int r;
|
|
|
|
assert(bus);
|
|
assert(args);
|
|
|
|
if (strv_length(args) != 1) {
|
|
log_error("This command expects one argument only.");
|
|
return -E2BIG;
|
|
}
|
|
|
|
r = sd_bus_set_property(
|
|
bus,
|
|
"org.freedesktop.systemd1",
|
|
"/org/freedesktop/systemd1",
|
|
"org.freedesktop.systemd1.Manager",
|
|
"LogLevel",
|
|
&error,
|
|
"s",
|
|
args[0]);
|
|
if (r < 0) {
|
|
log_error("Failed to issue method call: %s", bus_error_message(&error, -r));
|
|
return -EIO;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int help(void) {
|
|
|
|
pager_open_if_enabled();
|
|
|
|
printf("%s [OPTIONS...] {COMMAND} ...\n\n"
|
|
"Process systemd profiling information.\n\n"
|
|
" -h --help Show this help\n"
|
|
" --version Show package version\n"
|
|
" --system Connect to system manager\n"
|
|
" --user Connect to user manager\n"
|
|
" -H --host=[USER@]HOST Operate on remote host\n"
|
|
" -M --machine=CONTAINER Operate on local container\n"
|
|
" --order When generating a dependency graph, show only order\n"
|
|
" --require When generating a dependency graph, show only requirement\n"
|
|
" --from-pattern=GLOB, --to-pattern=GLOB\n"
|
|
" When generating a dependency graph, filter only origins\n"
|
|
" or destinations, respectively\n"
|
|
" --fuzz=TIMESPAN When printing the tree of the critical chain, print also\n"
|
|
" services, which finished TIMESPAN earlier, than the\n"
|
|
" latest in the branch. The unit of TIMESPAN is seconds\n"
|
|
" unless specified with a different unit, i.e. 50ms\n"
|
|
" --no-pager Do not pipe output into a pager\n\n"
|
|
"Commands:\n"
|
|
" time Print time spent in the kernel before reaching userspace\n"
|
|
" blame Print list of running units ordered by time to init\n"
|
|
" critical-chain Print a tree of the time critical chain of units\n"
|
|
" plot Output SVG graphic showing service initialization\n"
|
|
" dot Output dependency graph in dot(1) format\n"
|
|
" set-log-level LEVEL Set logging threshold for systemd\n"
|
|
" dump Output state serialization of service manager\n",
|
|
program_invocation_short_name);
|
|
|
|
/* When updating this list, including descriptions, apply
|
|
* changes to shell-completion/bash/systemd and
|
|
* shell-completion/systemd-zsh-completion.zsh too. */
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int parse_argv(int argc, char *argv[]) {
|
|
enum {
|
|
ARG_VERSION = 0x100,
|
|
ARG_ORDER,
|
|
ARG_REQUIRE,
|
|
ARG_USER,
|
|
ARG_SYSTEM,
|
|
ARG_DOT_FROM_PATTERN,
|
|
ARG_DOT_TO_PATTERN,
|
|
ARG_FUZZ,
|
|
ARG_NO_PAGER
|
|
};
|
|
|
|
static const struct option options[] = {
|
|
{ "help", no_argument, NULL, 'h' },
|
|
{ "version", no_argument, NULL, ARG_VERSION },
|
|
{ "order", no_argument, NULL, ARG_ORDER },
|
|
{ "require", no_argument, NULL, ARG_REQUIRE },
|
|
{ "user", no_argument, NULL, ARG_USER },
|
|
{ "system", no_argument, NULL, ARG_SYSTEM },
|
|
{ "from-pattern", required_argument, NULL, ARG_DOT_FROM_PATTERN },
|
|
{ "to-pattern", required_argument, NULL, ARG_DOT_TO_PATTERN },
|
|
{ "fuzz", required_argument, NULL, ARG_FUZZ },
|
|
{ "no-pager", no_argument, NULL, ARG_NO_PAGER },
|
|
{}
|
|
};
|
|
|
|
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();
|
|
|
|
case ARG_VERSION:
|
|
puts(PACKAGE_STRING);
|
|
puts(SYSTEMD_FEATURES);
|
|
return 0;
|
|
|
|
case ARG_USER:
|
|
arg_user = true;
|
|
break;
|
|
|
|
case ARG_SYSTEM:
|
|
arg_user = false;
|
|
break;
|
|
|
|
case ARG_ORDER:
|
|
arg_dot = DEP_ORDER;
|
|
break;
|
|
|
|
case ARG_REQUIRE:
|
|
arg_dot = DEP_REQUIRE;
|
|
break;
|
|
|
|
case ARG_DOT_FROM_PATTERN:
|
|
if (strv_extend(&arg_dot_from_patterns, optarg) < 0)
|
|
return log_oom();
|
|
|
|
break;
|
|
|
|
case ARG_DOT_TO_PATTERN:
|
|
if (strv_extend(&arg_dot_to_patterns, optarg) < 0)
|
|
return log_oom();
|
|
|
|
break;
|
|
|
|
case ARG_FUZZ:
|
|
r = parse_sec(optarg, &arg_fuzz);
|
|
if (r < 0)
|
|
return r;
|
|
break;
|
|
|
|
case ARG_NO_PAGER:
|
|
arg_no_pager = true;
|
|
break;
|
|
|
|
case 'H':
|
|
arg_transport = BUS_TRANSPORT_REMOTE;
|
|
arg_host = optarg;
|
|
break;
|
|
|
|
case 'M':
|
|
arg_transport = BUS_TRANSPORT_CONTAINER;
|
|
arg_host = optarg;
|
|
break;
|
|
|
|
case '?':
|
|
return -EINVAL;
|
|
|
|
default:
|
|
assert_not_reached("Unhandled option");
|
|
}
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
int main(int argc, char *argv[]) {
|
|
_cleanup_bus_unref_ sd_bus *bus = NULL;
|
|
int r;
|
|
|
|
setlocale(LC_ALL, "");
|
|
setlocale(LC_NUMERIC, "C"); /* we want to format/parse floats in C style */
|
|
log_parse_environment();
|
|
log_open();
|
|
|
|
r = parse_argv(argc, argv);
|
|
if (r <= 0)
|
|
goto finish;
|
|
|
|
r = bus_open_transport(arg_transport, arg_host, arg_user, &bus);
|
|
if (r < 0) {
|
|
log_error("Failed to create bus connection: %s", strerror(-r));
|
|
goto finish;
|
|
}
|
|
|
|
if (!argv[optind] || streq(argv[optind], "time"))
|
|
r = analyze_time(bus);
|
|
else if (streq(argv[optind], "blame"))
|
|
r = analyze_blame(bus);
|
|
else if (streq(argv[optind], "critical-chain"))
|
|
r = analyze_critical_chain(bus, argv+optind+1);
|
|
else if (streq(argv[optind], "plot"))
|
|
r = analyze_plot(bus);
|
|
else if (streq(argv[optind], "dot"))
|
|
r = dot(bus, argv+optind+1);
|
|
else if (streq(argv[optind], "dump"))
|
|
r = dump(bus, argv+optind+1);
|
|
else if (streq(argv[optind], "set-log-level"))
|
|
r = set_log_level(bus, argv+optind+1);
|
|
else
|
|
log_error("Unknown operation '%s'.", argv[optind]);
|
|
|
|
finish:
|
|
pager_close();
|
|
|
|
strv_free(arg_dot_from_patterns);
|
|
strv_free(arg_dot_to_patterns);
|
|
|
|
return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
|
|
}
|