625 lines
23 KiB
C
625 lines
23 KiB
C
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/*-*- 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 Lennart Poettering
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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 "install.h"
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#include "log.h"
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#include "dbus-common.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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#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(x, y, format, ...) do {\
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svg(" <text x=\"%.03f\" y=\"%.03f\">", scale_x * (x) + 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 UnitFileScope arg_scope = UNIT_FILE_SYSTEM;
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double scale_x = 0.1; // pixels per ms
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double scale_y = 20.0;
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struct boot_times {
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uint64_t firmware_time;
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uint64_t loader_time;
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uint64_t kernel_time;
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uint64_t kernel_done_time;
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uint64_t initrd_time;
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uint64_t userspace_time;
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uint64_t finish_time;
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};
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struct unit_times {
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char *name;
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uint64_t ixt;
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uint64_t iet;
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uint64_t axt;
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uint64_t aet;
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uint64_t time;
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};
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static int bus_get_uint64_property (DBusConnection *bus, const char *path, const char *interface, const char *property, uint64_t *val)
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{
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_cleanup_dbus_message_unref_ DBusMessage *reply = NULL;
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int r;
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DBusMessageIter iter, sub;
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r = bus_method_call_with_reply (
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bus,
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"org.freedesktop.systemd1",
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path,
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"org.freedesktop.DBus.Properties",
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"Get",
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&reply,
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NULL,
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DBUS_TYPE_STRING, &interface,
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DBUS_TYPE_STRING, &property,
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DBUS_TYPE_INVALID);
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if (r < 0)
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return r;
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if (!dbus_message_iter_init(reply, &iter) ||
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dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_VARIANT) {
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log_error("Failed to parse reply.");
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return -EIO;
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}
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dbus_message_iter_recurse(&iter, &sub);
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if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_UINT64) {
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log_error("Failed to parse reply.");
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return -EIO;
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}
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dbus_message_iter_get_basic(&sub, val);
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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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{
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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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{
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return compare(((struct unit_times *)a)->ixt,
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((struct unit_times *)b)->ixt);
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}
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static char *get_os_name(void)
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{
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char *n = NULL;
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parse_env_file("/etc/os-release", NEWLINE, "PRETTY_NAME", &n, NULL);
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return n;
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}
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static int acquire_time_data(DBusConnection *bus, struct unit_times **out)
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{
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_cleanup_dbus_message_unref_ DBusMessage *reply = NULL;
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DBusMessageIter iter, sub;
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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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r = bus_method_call_with_reply (
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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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&reply,
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NULL,
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DBUS_TYPE_INVALID);
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if (r)
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goto fail;
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if (!dbus_message_iter_init(reply, &iter) ||
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dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY ||
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dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_STRUCT) {
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log_error("Failed to parse reply.");
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r = -EIO;
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goto fail;
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}
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for (dbus_message_iter_recurse(&iter, &sub);
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dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID;
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dbus_message_iter_next(&sub)) {
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struct unit_info u;
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struct unit_times *t;
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if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_STRUCT) {
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log_error("Failed to parse reply.");
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r = -EIO;
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goto fail;
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}
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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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r = bus_parse_unit_info(&sub, &u);
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if (r < 0)
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goto fail;
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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->ixt) < 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->aet) < 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->axt) < 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->iet) < 0) {
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r = -EIO;
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goto fail;
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}
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t->iet /= 1000;
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t->ixt /= 1000;
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t->aet /= 1000;
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t->axt /= 1000;
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if (t->aet >= t->ixt)
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t->time = t->aet - t->ixt;
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else if (t->iet >= t->ixt)
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t->time = t->iet - t->ixt;
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else
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t->time = 0;
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if (t->ixt == 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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for (; c >= 0; c--)
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free(unit_times[c].name);
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free(unit_times);
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return r;
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}
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static struct boot_times *acquire_boot_times(DBusConnection *bus)
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{
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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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return ×
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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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return NULL;
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if (!times.finish_time) {
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log_error("Bootup is not yet finished. Please try again later.");
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return NULL;
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}
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times.firmware_time /= 1000;
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times.loader_time /= 1000;
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times.initrd_time /= 1000;
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times.userspace_time /= 1000;
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times.finish_time /= 1000;
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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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return ×
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}
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static char *pretty_boot_time(DBusConnection *bus)
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{
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struct boot_times *t;
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size_t size = 4096;
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static char buf[4096];
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char *ptr = buf;
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t = acquire_boot_times(bus);
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if (!t)
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return NULL;
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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, "%llums (firmware) + ", (unsigned long long)(t->firmware_time - t->loader_time));
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if (t->loader_time)
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size = strpcpyf(&ptr, size, "%llums (loader) + ", (unsigned long long)t->loader_time);
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if (t->kernel_time)
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size = strpcpyf(&ptr, size, "%llums (kernel) + ", (unsigned long long)t->kernel_done_time);
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if (t->initrd_time > 0)
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size = strpcpyf(&ptr, size, "%llums (initrd) + ", (unsigned long long)(t->userspace_time - t->initrd_time));
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size = strpcpyf(&ptr, size, "%llums (userspace) ", (unsigned long long)(t->finish_time - t->userspace_time));
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if (t->kernel_time > 0)
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size = strpcpyf(&ptr, size, "= %llums", (unsigned long long)(t->firmware_time + t->finish_time));
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else
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size = strpcpyf(&ptr, size, "= %llums", (unsigned long long)(t->finish_time - t->userspace_time));
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return buf;
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}
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static void svg_graph_box(int height, int64_t begin, int64_t end)
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{
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/* outside box, fill */
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svg("<rect class=\"box\" x=\"0\" y=\"0\" width=\"%.03f\" height=\"%.03f\" />\n",
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scale_x * (end - begin), scale_y * height);
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for (int i = (begin / 100) * 100; i <= end; i+=100) {
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/* lines for each second */
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if (i % 5000 == 0)
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svg(" <line class=\"sec5\" x1=\"%.03f\" y1=\"0\" x2=\"%.03f\" y2=\"%.03f\" />\n"
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" <text class=\"sec\" x=\"%.03f\" y=\"%.03f\" >%.01fs</text>\n",
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scale_x * i, scale_x * i, scale_y * height, scale_x * i, -5.0, 0.001 * i);
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else if (i % 1000 == 0)
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svg(" <line class=\"sec1\" x1=\"%.03f\" y1=\"0\" x2=\"%.03f\" y2=\"%.03f\" />\n"
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" <text class=\"sec\" x=\"%.03f\" y=\"%.03f\" >%.01fs</text>\n",
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scale_x * i, scale_x * i, scale_y * height, scale_x * i, -5.0, 0.001 * i);
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else
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svg(" <line class=\"sec01\" x1=\"%.03f\" y1=\"0\" x2=\"%.03f\" y2=\"%.03f\" />\n",
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scale_x * i, scale_x * i, scale_y * height);
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}
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}
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static int analyze_plot(DBusConnection *bus)
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{
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struct unit_times *times;
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struct boot_times *boot;
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struct utsname name;
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int n, m = 1, y=0;
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double width;
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char *osname;
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char *pretty_times;
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boot = acquire_boot_times(bus);
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if (!boot)
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return -EIO;
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pretty_times = pretty_boot_time(bus);
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if (!pretty_times)
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return -EIO;
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osname = get_os_name();
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n = uname(&name);
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if (n < 0) {
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log_error("Cannot get system name: %m");
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return -errno;
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}
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n = acquire_time_data(bus, ×);
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if (n<=0)
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return n;
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qsort(times, n, sizeof(struct unit_times), compare_unit_start);
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width = scale_x * (boot->firmware_time + boot->finish_time);
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if (width < 800.0)
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width = 800.0;
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if (boot->firmware_time > boot->loader_time)
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m++;
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if (boot->loader_time) {
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m++;
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if (width < 1000.0)
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width = 1000.0;
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}
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if (boot->initrd_time)
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m++;
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if (boot->kernel_time)
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m++;
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for (struct unit_times *u = times; u < times + n; u++) {
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double len;
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if (u->ixt < boot->userspace_time ||
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u->ixt > boot->finish_time) {
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free(u->name);
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u->name = NULL;
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continue;
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}
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len = ((boot->firmware_time + u->ixt) * scale_x)
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+ (10.0 * strlen(u->name));
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if (len > width)
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width = len;
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if (u->iet > u->ixt && u->iet <= boot->finish_time
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&& u->aet == 0 && u->axt == 0)
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u->aet = u->axt = u->iet;
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if (u->aet < u->ixt || u->aet > boot->finish_time)
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u->aet = boot->finish_time;
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if (u->axt < u->aet || u->aet > boot->finish_time)
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u->axt = boot->finish_time;
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if (u->iet < u->axt || u->iet > boot->finish_time)
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u->iet = boot->finish_time;
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m++;
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}
|
||
|
|
||
|
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));
|
||
|
|
||
|
/* 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.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.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: 10; }\n"
|
||
|
" text.sec { font-size: 8; }\n"
|
||
|
" ]]>\n </style>\n</defs>\n\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("<text x=\"20\" y=\"%.0f\">Legend: Red = Activating; Pink = Active; Dark Pink = Deactivating</text>",
|
||
|
120.0 + (m *scale_y));
|
||
|
|
||
|
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", -(int64_t) boot->firmware_time, -(int64_t) boot->loader_time, y);
|
||
|
svg_text(-(int64_t) boot->firmware_time, y, "firmware");
|
||
|
y++;
|
||
|
}
|
||
|
if (boot->loader_time) {
|
||
|
svg_bar("loader", -(int64_t) boot->loader_time, 0, y);
|
||
|
svg_text(-(int64_t) boot->loader_time, y, "loader");
|
||
|
y++;
|
||
|
}
|
||
|
if (boot->kernel_time) {
|
||
|
svg_bar("kernel", 0, boot->kernel_done_time, y);
|
||
|
svg_text(0, y, "kernel");
|
||
|
y++;
|
||
|
}
|
||
|
if (boot->initrd_time) {
|
||
|
svg_bar("initrd", boot->initrd_time, boot->userspace_time, y);
|
||
|
svg_text(boot->initrd_time, y, "initrd");
|
||
|
y++;
|
||
|
}
|
||
|
svg_bar("userspace", boot->userspace_time, boot->finish_time, y);
|
||
|
svg_text(boot->userspace_time, y, "userspace");
|
||
|
y++;
|
||
|
|
||
|
for (struct unit_times *u = times; u < times + n; u++) {
|
||
|
if (!u->name)
|
||
|
continue;
|
||
|
svg_bar("activating", u->ixt, u->aet, y);
|
||
|
svg_bar("active", u->aet, u->axt, y);
|
||
|
svg_bar("deactivating", u->axt, u->iet, y);
|
||
|
svg_text(u->ixt, y, u->time? "%s (%llums)" : "%s", u->name, (unsigned long long)u->time);
|
||
|
y++;
|
||
|
}
|
||
|
svg("</g>\n\n");
|
||
|
|
||
|
svg("</svg>");
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
static int analyze_blame(DBusConnection *bus)
|
||
|
{
|
||
|
struct unit_times *times;
|
||
|
int n = acquire_time_data(bus, ×);
|
||
|
if (n<=0)
|
||
|
return n;
|
||
|
|
||
|
qsort(times, n, sizeof(struct unit_times), compare_unit_time);
|
||
|
|
||
|
for (int i = 0; i < n; i++) {
|
||
|
if (times[i].time)
|
||
|
printf("%6llums %s\n", (unsigned long long)times[i].time, times[i].name);
|
||
|
}
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
static int analyze_time(DBusConnection *bus)
|
||
|
{
|
||
|
char *buf;
|
||
|
buf = pretty_boot_time(bus);
|
||
|
if (!buf)
|
||
|
return -EIO;
|
||
|
if (puts(buf) == EOF)
|
||
|
return -errno;
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
static void analyze_help(void)
|
||
|
{
|
||
|
printf("%s [OPTIONS...] {COMMAND} ...\n\n"
|
||
|
"Process systemd profiling information\n\n"
|
||
|
" -h --help Show this help\n"
|
||
|
" --version Show package version\n"
|
||
|
" --system Connect to system manager\n"
|
||
|
" --user Connect to user service manager\n\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"
|
||
|
" plot output SVG graphic showing service initialization\n\n",
|
||
|
program_invocation_short_name);
|
||
|
}
|
||
|
|
||
|
static int parse_argv(int argc, char *argv[])
|
||
|
{
|
||
|
enum {
|
||
|
ARG_VERSION = 0x100,
|
||
|
ARG_USER,
|
||
|
ARG_SYSTEM
|
||
|
};
|
||
|
|
||
|
static const struct option options[] = {
|
||
|
{ "help", no_argument, NULL, 'h' },
|
||
|
{ "version", no_argument, NULL, ARG_VERSION },
|
||
|
{ "user", no_argument, NULL, ARG_USER },
|
||
|
{ "system", no_argument, NULL, ARG_SYSTEM },
|
||
|
{ NULL, 0, NULL, 0 }
|
||
|
};
|
||
|
|
||
|
assert(argc >= 0);
|
||
|
assert(argv);
|
||
|
|
||
|
while (true) {
|
||
|
switch (getopt_long(argc, argv, "h", options, NULL)) {
|
||
|
case 'h':
|
||
|
analyze_help();
|
||
|
return 0;
|
||
|
case ARG_VERSION:
|
||
|
puts(PACKAGE_STRING "\n" SYSTEMD_FEATURES);
|
||
|
return 0;
|
||
|
case ARG_USER:
|
||
|
arg_scope = UNIT_FILE_USER;
|
||
|
break;
|
||
|
case ARG_SYSTEM:
|
||
|
arg_scope = UNIT_FILE_SYSTEM;
|
||
|
break;
|
||
|
case -1:
|
||
|
return 1;
|
||
|
case '?':
|
||
|
return -EINVAL;
|
||
|
default:
|
||
|
assert_not_reached("Unhandled option");
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|
||
|
int main(int argc, char *argv[]) {
|
||
|
int r;
|
||
|
DBusConnection *bus = NULL;
|
||
|
|
||
|
setlocale(LC_ALL, "");
|
||
|
log_parse_environment();
|
||
|
log_open();
|
||
|
|
||
|
r = parse_argv(argc, argv);
|
||
|
if (r == 0)
|
||
|
return 0;
|
||
|
if (r < 0)
|
||
|
return 1;
|
||
|
|
||
|
bus = dbus_bus_get(arg_scope == UNIT_FILE_SYSTEM ? DBUS_BUS_SYSTEM : DBUS_BUS_SESSION, NULL);
|
||
|
if (!bus)
|
||
|
return 1;
|
||
|
|
||
|
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], "plot"))
|
||
|
r = analyze_plot(bus);
|
||
|
else
|
||
|
log_error("Unknown operation '%s'.", argv[optind]);
|
||
|
|
||
|
dbus_connection_unref(bus);
|
||
|
if (r)
|
||
|
return 1;
|
||
|
return 0;
|
||
|
}
|