| /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
| |
| /*** |
| This file is part of systemd. |
| |
| Copyright 2010-2013 Lennart Poettering |
| Copyright 2013 Simon Peeters |
| |
| systemd is free software; you can redistribute it and/or modify it |
| under the terms of the GNU Lesser General Public License as published by |
| the Free Software Foundation; either version 2.1 of the License, or |
| (at your option) any later version. |
| |
| systemd is distributed in the hope that it will be useful, but |
| WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public License |
| along with systemd; If not, see <http://www.gnu.org/licenses/>. |
| ***/ |
| |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <getopt.h> |
| #include <locale.h> |
| #include <sys/utsname.h> |
| #include <fnmatch.h> |
| |
| #include "install.h" |
| #include "log.h" |
| #include "dbus-common.h" |
| #include "build.h" |
| #include "util.h" |
| #include "strxcpyx.h" |
| #include "fileio.h" |
| #include "strv.h" |
| #include "unit-name.h" |
| #include "special.h" |
| #include "hashmap.h" |
| |
| #define SCALE_X (0.1 / 1000.0) /* pixels per us */ |
| #define SCALE_Y 20.0 |
| |
| #define compare(a, b) (((a) > (b))? 1 : (((b) > (a))? -1 : 0)) |
| |
| #define svg(...) printf(__VA_ARGS__) |
| |
| #define svg_bar(class, x1, x2, y) \ |
| svg(" <rect class=\"%s\" x=\"%.03f\" y=\"%.03f\" width=\"%.03f\" height=\"%.03f\" />\n", \ |
| (class), \ |
| SCALE_X * (x1), SCALE_Y * (y), \ |
| SCALE_X * ((x2) - (x1)), SCALE_Y - 1.0) |
| |
| #define svg_text(b, x, y, format, ...) \ |
| do { \ |
| svg(" <text class=\"%s\" x=\"%.03f\" y=\"%.03f\">", (b) ? "left" : "right", SCALE_X * (x) + (b ? 5.0 : -5.0), SCALE_Y * (y) + 14.0); \ |
| svg(format, ## __VA_ARGS__); \ |
| svg("</text>\n"); \ |
| } while(false) |
| |
| static UnitFileScope arg_scope = UNIT_FILE_SYSTEM; |
| 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; |
| |
| usec_t arg_fuzz = 0; |
| |
| 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; |
| }; |
| struct unit_times { |
| char *name; |
| usec_t ixt; |
| usec_t iet; |
| usec_t axt; |
| usec_t aet; |
| usec_t time; |
| }; |
| |
| static int bus_get_uint64_property(DBusConnection *bus, const char *path, const char *interface, const char *property, uint64_t *val) { |
| _cleanup_dbus_message_unref_ DBusMessage *reply = NULL; |
| DBusMessageIter iter, sub; |
| int r; |
| |
| r = bus_method_call_with_reply( |
| bus, |
| "org.freedesktop.systemd1", |
| path, |
| "org.freedesktop.DBus.Properties", |
| "Get", |
| &reply, |
| NULL, |
| DBUS_TYPE_STRING, &interface, |
| DBUS_TYPE_STRING, &property, |
| DBUS_TYPE_INVALID); |
| if (r < 0) |
| return r; |
| |
| if (!dbus_message_iter_init(reply, &iter) || |
| dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_VARIANT) { |
| log_error("Failed to parse reply."); |
| return -EIO; |
| } |
| |
| dbus_message_iter_recurse(&iter, &sub); |
| |
| if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_UINT64) { |
| log_error("Failed to parse reply."); |
| return -EIO; |
| } |
| |
| dbus_message_iter_get_basic(&sub, val); |
| |
| return 0; |
| } |
| |
| static int compare_unit_time(const void *a, const void *b) { |
| return compare(((struct unit_times *)b)->time, |
| ((struct unit_times *)a)->time); |
| } |
| |
| static int compare_unit_start(const void *a, const void *b) { |
| return compare(((struct unit_times *)a)->ixt, |
| ((struct unit_times *)b)->ixt); |
| } |
| |
| static int get_os_name(char **_n) { |
| char *n = NULL; |
| int r; |
| |
| r = parse_env_file("/etc/os-release", NEWLINE, "PRETTY_NAME", &n, NULL); |
| if (r < 0) |
| return r; |
| |
| if (!n) |
| return -ENOENT; |
| |
| *_n = n; |
| return 0; |
| } |
| |
| static void free_unit_times(struct unit_times *t, unsigned n) { |
| struct unit_times *p; |
| |
| for (p = t; p < t + n; p++) |
| free(p->name); |
| |
| free(t); |
| } |
| |
| static int acquire_time_data(DBusConnection *bus, struct unit_times **out) { |
| _cleanup_dbus_message_unref_ DBusMessage *reply = NULL; |
| DBusMessageIter iter, sub; |
| int r, c = 0, n_units = 0; |
| struct unit_times *unit_times = NULL; |
| |
| r = bus_method_call_with_reply( |
| bus, |
| "org.freedesktop.systemd1", |
| "/org/freedesktop/systemd1", |
| "org.freedesktop.systemd1.Manager", |
| "ListUnits", |
| &reply, |
| NULL, |
| DBUS_TYPE_INVALID); |
| if (r < 0) |
| goto fail; |
| |
| if (!dbus_message_iter_init(reply, &iter) || |
| dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY || |
| dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_STRUCT) { |
| log_error("Failed to parse reply."); |
| r = -EIO; |
| goto fail; |
| } |
| |
| for (dbus_message_iter_recurse(&iter, &sub); |
| dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID; |
| dbus_message_iter_next(&sub)) { |
| struct unit_info u; |
| struct unit_times *t; |
| |
| if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_STRUCT) { |
| log_error("Failed to parse reply."); |
| r = -EIO; |
| goto fail; |
| } |
| |
| if (c >= n_units) { |
| struct unit_times *w; |
| |
| n_units = MAX(2*c, 16); |
| w = realloc(unit_times, sizeof(struct unit_times) * n_units); |
| |
| if (!w) { |
| r = log_oom(); |
| goto fail; |
| } |
| |
| unit_times = w; |
| } |
| t = unit_times+c; |
| t->name = NULL; |
| |
| r = bus_parse_unit_info(&sub, &u); |
| if (r < 0) |
| goto fail; |
| |
| assert_cc(sizeof(usec_t) == sizeof(uint64_t)); |
| |
| if (bus_get_uint64_property(bus, u.unit_path, |
| "org.freedesktop.systemd1.Unit", |
| "InactiveExitTimestampMonotonic", |
| &t->ixt) < 0 || |
| bus_get_uint64_property(bus, u.unit_path, |
| "org.freedesktop.systemd1.Unit", |
| "ActiveEnterTimestampMonotonic", |
| &t->aet) < 0 || |
| bus_get_uint64_property(bus, u.unit_path, |
| "org.freedesktop.systemd1.Unit", |
| "ActiveExitTimestampMonotonic", |
| &t->axt) < 0 || |
| bus_get_uint64_property(bus, u.unit_path, |
| "org.freedesktop.systemd1.Unit", |
| "InactiveEnterTimestampMonotonic", |
| &t->iet) < 0) { |
| r = -EIO; |
| goto fail; |
| } |
| |
| if (t->aet >= t->ixt) |
| t->time = t->aet - t->ixt; |
| else if (t->iet >= t->ixt) |
| t->time = t->iet - t->ixt; |
| else |
| t->time = 0; |
| |
| if (t->ixt == 0) |
| continue; |
| |
| t->name = strdup(u.id); |
| if (t->name == NULL) { |
| r = log_oom(); |
| goto fail; |
| } |
| c++; |
| } |
| |
| *out = unit_times; |
| return c; |
| |
| fail: |
| free_unit_times(unit_times, (unsigned) c); |
| return r; |
| } |
| |
| static int acquire_boot_times(DBusConnection *bus, struct boot_times **bt) { |
| static struct boot_times times; |
| static bool cached = false; |
| |
| if (cached) |
| goto finish; |
| |
| assert_cc(sizeof(usec_t) == sizeof(uint64_t)); |
| |
| if (bus_get_uint64_property(bus, |
| "/org/freedesktop/systemd1", |
| "org.freedesktop.systemd1.Manager", |
| "FirmwareTimestampMonotonic", |
| ×.firmware_time) < 0 || |
| bus_get_uint64_property(bus, |
| "/org/freedesktop/systemd1", |
| "org.freedesktop.systemd1.Manager", |
| "LoaderTimestampMonotonic", |
| ×.loader_time) < 0 || |
| bus_get_uint64_property(bus, |
| "/org/freedesktop/systemd1", |
| "org.freedesktop.systemd1.Manager", |
| "KernelTimestamp", |
| ×.kernel_time) < 0 || |
| bus_get_uint64_property(bus, |
| "/org/freedesktop/systemd1", |
| "org.freedesktop.systemd1.Manager", |
| "InitRDTimestampMonotonic", |
| ×.initrd_time) < 0 || |
| bus_get_uint64_property(bus, |
| "/org/freedesktop/systemd1", |
| "org.freedesktop.systemd1.Manager", |
| "UserspaceTimestampMonotonic", |
| ×.userspace_time) < 0 || |
| bus_get_uint64_property(bus, |
| "/org/freedesktop/systemd1", |
| "org.freedesktop.systemd1.Manager", |
| "FinishTimestampMonotonic", |
| ×.finish_time) < 0) |
| return -EIO; |
| |
| if (times.finish_time <= 0) { |
| log_error("Bootup is not yet finished. Please try again later."); |
| return -EAGAIN; |
| } |
| |
| if (times.initrd_time) |
| times.kernel_done_time = times.initrd_time; |
| else |
| times.kernel_done_time = times.userspace_time; |
| |
| cached = true; |
| |
| finish: |
| *bt = × |
| return 0; |
| } |
| |
| static int pretty_boot_time(DBusConnection *bus, char **_buf) { |
| char ts[FORMAT_TIMESPAN_MAX]; |
| struct boot_times *t; |
| static char buf[4096]; |
| size_t size; |
| char *ptr; |
| int r; |
| |
| r = acquire_boot_times(bus, &t); |
| if (r < 0) |
| return r; |
| |
| ptr = buf; |
| size = sizeof(buf); |
| |
| size = strpcpyf(&ptr, size, "Startup finished in "); |
| if (t->firmware_time) |
| size = strpcpyf(&ptr, size, "%s (firmware) + ", format_timespan(ts, sizeof(ts), t->firmware_time - t->loader_time, USEC_PER_MSEC)); |
| if (t->loader_time) |
| size = strpcpyf(&ptr, size, "%s (loader) + ", format_timespan(ts, sizeof(ts), t->loader_time, USEC_PER_MSEC)); |
| if (t->kernel_time) |
| size = strpcpyf(&ptr, size, "%s (kernel) + ", format_timespan(ts, sizeof(ts), t->kernel_done_time, USEC_PER_MSEC)); |
| if (t->initrd_time > 0) |
| size = strpcpyf(&ptr, size, "%s (initrd) + ", format_timespan(ts, sizeof(ts), t->userspace_time - t->initrd_time, USEC_PER_MSEC)); |
| |
| size = strpcpyf(&ptr, size, "%s (userspace) ", format_timespan(ts, sizeof(ts), t->finish_time - t->userspace_time, USEC_PER_MSEC)); |
| if (t->kernel_time > 0) |
| size = strpcpyf(&ptr, size, "= %s", format_timespan(ts, sizeof(ts), t->firmware_time + t->finish_time, USEC_PER_MSEC)); |
| else |
| size = strpcpyf(&ptr, size, "= %s", format_timespan(ts, sizeof(ts), t->finish_time - t->userspace_time, USEC_PER_MSEC)); |
| |
| ptr = strdup(buf); |
| if (!ptr) |
| return log_oom(); |
| |
| *_buf = ptr; |
| return 0; |
| } |
| |
| static void svg_graph_box(double height, double begin, double end) { |
| long long i; |
| |
| /* outside box, fill */ |
| svg("<rect class=\"box\" x=\"0\" y=\"0\" width=\"%.03f\" height=\"%.03f\" />\n", |
| SCALE_X * (end - begin), SCALE_Y * height); |
| |
| for (i = ((long long) (begin / 100000)) * 100000; i <= end; i+=100000) { |
| /* lines for each second */ |
| if (i % 5000000 == 0) |
| svg(" <line class=\"sec5\" x1=\"%.03f\" y1=\"0\" x2=\"%.03f\" y2=\"%.03f\" />\n" |
| " <text class=\"sec\" x=\"%.03f\" y=\"%.03f\" >%.01fs</text>\n", |
| SCALE_X * i, SCALE_X * i, SCALE_Y * height, SCALE_X * i, -5.0, 0.000001 * i); |
| else if (i % 1000000 == 0) |
| svg(" <line class=\"sec1\" x1=\"%.03f\" y1=\"0\" x2=\"%.03f\" y2=\"%.03f\" />\n" |
| " <text class=\"sec\" x=\"%.03f\" y=\"%.03f\" >%.01fs</text>\n", |
| SCALE_X * i, SCALE_X * i, SCALE_Y * height, SCALE_X * i, -5.0, 0.000001 * i); |
| else |
| svg(" <line class=\"sec01\" x1=\"%.03f\" y1=\"0\" x2=\"%.03f\" y2=\"%.03f\" />\n", |
| SCALE_X * i, SCALE_X * i, SCALE_Y * height); |
| } |
| } |
| |
| static int analyze_plot(DBusConnection *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 len; |
| |
| if (u->ixt < boot->userspace_time || |
| u->ixt > boot->finish_time) { |
| free(u->name); |
| u->name = NULL; |
| continue; |
| } |
| len = ((boot->firmware_time + u->ixt) * SCALE_X) |
| + (10.0 * strlen(u->name)); |
| if (len > width) |
| width = len; |
| |
| if (u->iet > u->ixt && u->iet <= boot->finish_time |
| && u->aet == 0 && u->axt == 0) |
| u->aet = u->axt = u->iet; |
| if (u->aet < u->ixt || u->aet > boot->finish_time) |
| u->aet = boot->finish_time; |
| if (u->axt < u->aet || u->aet > boot->finish_time) |
| u->axt = boot->finish_time; |
| if (u->iet < u->axt || u->iet > boot->finish_time) |
| u->iet = 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)); |
| |
| /* 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.left { font-family: Verdana, Helvetica; font-size: 10; text-anchor: start; }\n" |
| " text.right { font-family: Verdana, Helvetica; font-size: 10; text-anchor: end; }\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", -(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("userspace", boot->userspace_time, boot->finish_time, y); |
| svg_text("left", boot->userspace_time, y, "userspace"); |
| y++; |
| |
| for (u = times; u < times + n; u++) { |
| char ts[FORMAT_TIMESPAN_MAX]; |
| bool b; |
| |
| 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); |
| |
| b = u->ixt * SCALE_X > width * 2 / 3; |
| if (u->time) |
| svg_text(b, u->ixt, y, "%s (%s)", |
| u->name, format_timespan(ts, sizeof(ts), u->time, USEC_PER_MSEC)); |
| else |
| svg_text(b, u->ixt, y, "%s", u->name); |
| 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->ixt - boot->userspace_time, USEC_PER_MSEC), |
| format_timespan(ts2, sizeof(ts2), times->time, USEC_PER_MSEC), ANSI_HIGHLIGHT_OFF); |
| else if (times->aet > boot->userspace_time) |
| printf("%s @%s", name, format_timespan(ts, sizeof(ts), times->aet - boot->userspace_time, USEC_PER_MSEC)); |
| else |
| printf("%s", name); |
| } else printf("%s", name); |
| printf("\n"); |
| |
| return 0; |
| } |
| |
| static int list_dependencies_get_dependencies(DBusConnection *bus, const char *name, char ***deps) { |
| static const char dependencies[] = |
| "After\0"; |
| |
| _cleanup_free_ char *path; |
| const char *interface = "org.freedesktop.systemd1.Unit"; |
| |
| _cleanup_dbus_message_unref_ DBusMessage *reply = NULL; |
| DBusMessageIter iter, sub, sub2, sub3; |
| |
| int r = 0; |
| char **ret = NULL; |
| |
| assert(bus); |
| assert(name); |
| assert(deps); |
| |
| path = unit_dbus_path_from_name(name); |
| if (path == NULL) { |
| r = -EINVAL; |
| goto finish; |
| } |
| |
| r = bus_method_call_with_reply( |
| bus, |
| "org.freedesktop.systemd1", |
| path, |
| "org.freedesktop.DBus.Properties", |
| "GetAll", |
| &reply, |
| NULL, |
| DBUS_TYPE_STRING, &interface, |
| DBUS_TYPE_INVALID); |
| if (r < 0) |
| goto finish; |
| |
| if (!dbus_message_iter_init(reply, &iter) || |
| dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY || |
| dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_DICT_ENTRY) { |
| log_error("Failed to parse reply."); |
| r = -EIO; |
| goto finish; |
| } |
| |
| dbus_message_iter_recurse(&iter, &sub); |
| |
| while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) { |
| const char *prop; |
| |
| assert(dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_DICT_ENTRY); |
| dbus_message_iter_recurse(&sub, &sub2); |
| |
| if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &prop, true) < 0) { |
| log_error("Failed to parse reply."); |
| r = -EIO; |
| goto finish; |
| } |
| |
| if (dbus_message_iter_get_arg_type(&sub2) != DBUS_TYPE_VARIANT) { |
| log_error("Failed to parse reply."); |
| r = -EIO; |
| goto finish; |
| } |
| |
| dbus_message_iter_recurse(&sub2, &sub3); |
| dbus_message_iter_next(&sub); |
| |
| if (!nulstr_contains(dependencies, prop)) |
| continue; |
| |
| if (dbus_message_iter_get_arg_type(&sub3) == DBUS_TYPE_ARRAY) { |
| if (dbus_message_iter_get_element_type(&sub3) == DBUS_TYPE_STRING) { |
| DBusMessageIter sub4; |
| dbus_message_iter_recurse(&sub3, &sub4); |
| |
| while (dbus_message_iter_get_arg_type(&sub4) != DBUS_TYPE_INVALID) { |
| const char *s; |
| |
| assert(dbus_message_iter_get_arg_type(&sub4) == DBUS_TYPE_STRING); |
| dbus_message_iter_get_basic(&sub4, &s); |
| |
| r = strv_extend(&ret, s); |
| if (r < 0) { |
| log_oom(); |
| goto finish; |
| } |
| |
| dbus_message_iter_next(&sub4); |
| } |
| } |
| } |
| } |
| finish: |
| 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->aet; |
| times = hashmap_get(unit_times_hashmap, *b); |
| if (times) |
| usb = times->aet; |
| |
| return usb - usa; |
| } |
| |
| static int list_dependencies_one(DBusConnection *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(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->aet |
| && times->aet <= boot->finish_time |
| && (times->aet >= service_longest |
| || service_longest == 0)) { |
| service_longest = times->aet; |
| break; |
| } |
| } |
| |
| if (service_longest == 0 ) |
| return r; |
| |
| STRV_FOREACH(c, deps) { |
| times = hashmap_get(unit_times_hashmap, *c); |
| if (times && times->aet |
| && times->aet <= boot->finish_time |
| && (service_longest - times->aet) <= arg_fuzz) { |
| to_print++; |
| } |
| } |
| |
| if(!to_print) |
| return r; |
| |
| STRV_FOREACH(c, deps) { |
| times = hashmap_get(unit_times_hashmap, *c); |
| if (!times |
| || !times->aet |
| || times->aet > boot->finish_time |
| || service_longest - times->aet > 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); |
| 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(DBusConnection *bus) { |
| _cleanup_strv_free_ char **units = NULL; |
| char ts[FORMAT_TIMESPAN_MAX]; |
| struct unit_times *times; |
| int r; |
| const char |
| *path, *id, |
| *interface = "org.freedesktop.systemd1.Unit", |
| *property = "Id"; |
| DBusMessageIter iter, sub; |
| _cleanup_dbus_message_unref_ DBusMessage *reply = NULL; |
| struct boot_times *boot; |
| |
| assert(bus); |
| |
| path = unit_dbus_path_from_name(SPECIAL_DEFAULT_TARGET); |
| if (path == NULL) |
| return -EINVAL; |
| |
| r = bus_method_call_with_reply ( |
| bus, |
| "org.freedesktop.systemd1", |
| path, |
| "org.freedesktop.DBus.Properties", |
| "Get", |
| &reply, |
| NULL, |
| DBUS_TYPE_STRING, &interface, |
| DBUS_TYPE_STRING, &property, |
| DBUS_TYPE_INVALID); |
| if (r < 0) |
| return r; |
| |
| if (!dbus_message_iter_init(reply, &iter) || |
| dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_VARIANT) { |
| log_error("Failed to parse reply."); |
| return -EIO; |
| } |
| |
| dbus_message_iter_recurse(&iter, &sub); |
| |
| if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_STRING) { |
| log_error("Failed to parse reply."); |
| return -EIO; |
| } |
| |
| dbus_message_iter_get_basic(&sub, &id); |
| |
| 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->aet > boot->userspace_time) |
| printf("%s @%s\n", id, format_timespan(ts, sizeof(ts), times->aet - boot->userspace_time, USEC_PER_MSEC)); |
| else |
| printf("%s\n", id); |
| } |
| |
| return list_dependencies_one(bus, SPECIAL_DEFAULT_TARGET, 0, &units, 0); |
| } |
| |
| static int analyze_critical_chain(DBusConnection *bus) { |
| 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; |
| |
| 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"); |
| |
| list_dependencies(bus); |
| |
| hashmap_free(h); |
| free_unit_times(times, (unsigned) n); |
| return 0; |
| } |
| |
| static int analyze_blame(DBusConnection *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); |
| |
| 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(DBusConnection *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(const char *name, const char *prop, DBusMessageIter *iter, char* patterns[]) { |
| |
| static const char * const colors[] = { |
| "Requires", "[color=\"black\"]", |
| "RequiresOverridable", "[color=\"black\"]", |
| "Requisite", "[color=\"darkblue\"]", |
| "RequisiteOverridable", "[color=\"darkblue\"]", |
| "Wants", "[color=\"grey66\"]", |
| "Conflicts", "[color=\"red\"]", |
| "ConflictedBy", "[color=\"red\"]", |
| "After", "[color=\"green\"]" |
| }; |
| |
| const char *c = NULL; |
| unsigned i; |
| |
| assert(name); |
| assert(prop); |
| assert(iter); |
| |
| for (i = 0; i < ELEMENTSOF(colors); i += 2) |
| if (streq(colors[i], prop)) { |
| c = colors[i+1]; |
| break; |
| } |
| |
| if (!c) |
| return 0; |
| |
| if (arg_dot != DEP_ALL) |
| if ((arg_dot == DEP_ORDER) != streq(prop, "After")) |
| return 0; |
| |
| if (dbus_message_iter_get_arg_type(iter) == DBUS_TYPE_ARRAY && |
| dbus_message_iter_get_element_type(iter) == DBUS_TYPE_STRING) { |
| DBusMessageIter sub; |
| |
| dbus_message_iter_recurse(iter, &sub); |
| |
| for (dbus_message_iter_recurse(iter, &sub); |
| dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID; |
| dbus_message_iter_next(&sub)) { |
| const char *s; |
| char **p; |
| bool match_found; |
| |
| assert(dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRING); |
| dbus_message_iter_get_basic(&sub, &s); |
| |
| if (!strv_isempty(arg_dot_from_patterns)) { |
| match_found = false; |
| |
| STRV_FOREACH(p, arg_dot_from_patterns) |
| if (fnmatch(*p, name, 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, s, 0) == 0) { |
| match_found = true; |
| break; |
| } |
| |
| if (!match_found) |
| continue; |
| } |
| |
| if (!strv_isempty(patterns)) { |
| match_found = false; |
| |
| STRV_FOREACH(p, patterns) |
| if (fnmatch(*p, name, 0) == 0 || fnmatch(*p, s, 0) == 0) { |
| match_found = true; |
| break; |
| } |
| if (!match_found) |
| continue; |
| } |
| |
| printf("\t\"%s\"->\"%s\" %s;\n", name, s, c); |
| } |
| } |
| |
| return 0; |
| } |
| |
| static int graph_one(DBusConnection *bus, const struct unit_info *u, char *patterns[]) { |
| _cleanup_dbus_message_unref_ DBusMessage *reply = NULL; |
| const char *interface = "org.freedesktop.systemd1.Unit"; |
| int r; |
| DBusMessageIter iter, sub, sub2, sub3; |
| |
| assert(bus); |
| assert(u); |
| |
| r = bus_method_call_with_reply( |
| bus, |
| "org.freedesktop.systemd1", |
| u->unit_path, |
| "org.freedesktop.DBus.Properties", |
| "GetAll", |
| &reply, |
| NULL, |
| DBUS_TYPE_STRING, &interface, |
| DBUS_TYPE_INVALID); |
| if (r < 0) |
| return r; |
| |
| if (!dbus_message_iter_init(reply, &iter) || |
| dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY || |
| dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_DICT_ENTRY) { |
| log_error("Failed to parse reply."); |
| return -EIO; |
| } |
| |
| for (dbus_message_iter_recurse(&iter, &sub); |
| dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID; |
| dbus_message_iter_next(&sub)) { |
| const char *prop; |
| |
| assert(dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_DICT_ENTRY); |
| dbus_message_iter_recurse(&sub, &sub2); |
| |
| if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &prop, true) < 0 || |
| dbus_message_iter_get_arg_type(&sub2) != DBUS_TYPE_VARIANT) { |
| log_error("Failed to parse reply."); |
| return -EIO; |
| } |
| |
| dbus_message_iter_recurse(&sub2, &sub3); |
| r = graph_one_property(u->id, prop, &sub3, patterns); |
| if (r < 0) |
| return r; |
| } |
| |
| return 0; |
| } |
| |
| static int dot(DBusConnection *bus, char* patterns[]) { |
| _cleanup_dbus_message_unref_ DBusMessage *reply = NULL; |
| DBusMessageIter iter, sub; |
| int r; |
| |
| r = bus_method_call_with_reply( |
| bus, |
| "org.freedesktop.systemd1", |
| "/org/freedesktop/systemd1", |
| "org.freedesktop.systemd1.Manager", |
| "ListUnits", |
| &reply, |
| NULL, |
| DBUS_TYPE_INVALID); |
| if (r < 0) |
| return r; |
| |
| if (!dbus_message_iter_init(reply, &iter) || |
| dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY || |
| dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_STRUCT) { |
| log_error("Failed to parse reply."); |
| return -EIO; |
| } |
| |
| printf("digraph systemd {\n"); |
| |
| for (dbus_message_iter_recurse(&iter, &sub); |
| dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID; |
| dbus_message_iter_next(&sub)) { |
| struct unit_info u; |
| |
| r = bus_parse_unit_info(&sub, &u); |
| if (r < 0) |
| return -EIO; |
| |
| 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 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" |
| " --order When generating a dependency graph, show only order\n" |
| " --require When generating a dependency graph, show only requirement\n" |
| " --from-pattern=GLOB, --to-pattern=GLOB\n" |
| " When generating a dependency graph, filter only origins\n" |
| " or destinations, respectively\n" |
| " --fuzz=TIMESPAN When printing the tree of the critical chain, print also\n" |
| " services, which finished TIMESPAN earlier, than the\n" |
| " latest in the branch. The unit of TIMESPAN is seconds\n" |
| " unless specified with a different unit, i.e. 50ms\n\n" |
| "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 Dump dependency graph (in dot(1) format)\n\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. */ |
| } |
| |
| static int parse_argv(int argc, char *argv[]) |
| { |
| int r; |
| |
| enum { |
| ARG_VERSION = 0x100, |
| ARG_ORDER, |
| ARG_REQUIRE, |
| ARG_USER, |
| ARG_SYSTEM, |
| ARG_DOT_FROM_PATTERN, |
| ARG_DOT_TO_PATTERN, |
| ARG_FUZZ |
| }; |
| |
| 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 }, |
| { NULL, 0, NULL, 0 } |
| }; |
| |
| assert(argc >= 0); |
| assert(argv); |
| |
| for (;;) { |
| 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 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 -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, ""); |
| 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) |
| return EXIT_FAILURE; |
| else if (r <= 0) |
| return EXIT_SUCCESS; |
| |
| bus = dbus_bus_get(arg_scope == UNIT_FILE_SYSTEM ? DBUS_BUS_SYSTEM : DBUS_BUS_SESSION, NULL); |
| if (!bus) |
| return EXIT_FAILURE; |
| |
| 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); |
| else if (streq(argv[optind], "plot")) |
| r = analyze_plot(bus); |
| else if (streq(argv[optind], "dot")) |
| r = dot(bus, argv+optind+1); |
| else |
| log_error("Unknown operation '%s'.", argv[optind]); |
| |
| strv_free(arg_dot_from_patterns); |
| strv_free(arg_dot_to_patterns); |
| dbus_connection_unref(bus); |
| |
| return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS; |
| } |