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-rw-r--r--src/analyze/analyze-plot.c493
1 files changed, 493 insertions, 0 deletions
diff --git a/src/analyze/analyze-plot.c b/src/analyze/analyze-plot.c
new file mode 100644
index 0000000..81fc25b
--- /dev/null
+++ b/src/analyze/analyze-plot.c
@@ -0,0 +1,493 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include "analyze-plot.h"
+#include "analyze-time-data.h"
+#include "analyze.h"
+#include "bus-error.h"
+#include "bus-map-properties.h"
+#include "format-table.h"
+#include "os-util.h"
+#include "sort-util.h"
+#include "strv.h"
+#include "unit-def.h"
+#include "version.h"
+
+#define SCALE_X (0.1 / 1000.0) /* pixels per us */
+#define SCALE_Y (20.0)
+
+#define svg(...) printf(__VA_ARGS__)
+
+#define svg_bar(class, x1, x2, y) \
+ svg(" <rect class=\"%s\" x=\"%.03f\" y=\"%.03f\" width=\"%.03f\" height=\"%.03f\" />\n", \
+ (class), \
+ SCALE_X * (x1), SCALE_Y * (y), \
+ SCALE_X * ((x2) - (x1)), SCALE_Y - 1.0)
+
+#define svg_text(b, x, y, format, ...) \
+ do { \
+ svg(" <text class=\"%s\" x=\"%.03f\" y=\"%.03f\">", (b) ? "left" : "right", SCALE_X * (x) + (b ? 5.0 : -5.0), SCALE_Y * (y) + 14.0); \
+ svg(format, ## __VA_ARGS__); \
+ svg("</text>\n"); \
+ } while (false)
+
+
+typedef struct HostInfo {
+ char *hostname;
+ char *kernel_name;
+ char *kernel_release;
+ char *kernel_version;
+ char *os_pretty_name;
+ char *virtualization;
+ char *architecture;
+} HostInfo;
+
+static HostInfo *free_host_info(HostInfo *hi) {
+ if (!hi)
+ return NULL;
+
+ free(hi->hostname);
+ free(hi->kernel_name);
+ free(hi->kernel_release);
+ free(hi->kernel_version);
+ free(hi->os_pretty_name);
+ free(hi->virtualization);
+ free(hi->architecture);
+ return mfree(hi);
+}
+
+DEFINE_TRIVIAL_CLEANUP_FUNC(HostInfo *, free_host_info);
+
+static int acquire_host_info(sd_bus *bus, HostInfo **hi) {
+ static const struct bus_properties_map hostname_map[] = {
+ { "Hostname", "s", NULL, offsetof(HostInfo, hostname) },
+ { "KernelName", "s", NULL, offsetof(HostInfo, kernel_name) },
+ { "KernelRelease", "s", NULL, offsetof(HostInfo, kernel_release) },
+ { "KernelVersion", "s", NULL, offsetof(HostInfo, kernel_version) },
+ { "OperatingSystemPrettyName", "s", NULL, offsetof(HostInfo, os_pretty_name) },
+ {}
+ };
+
+ static const struct bus_properties_map manager_map[] = {
+ { "Virtualization", "s", NULL, offsetof(HostInfo, virtualization) },
+ { "Architecture", "s", NULL, offsetof(HostInfo, architecture) },
+ {}
+ };
+
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ _cleanup_(sd_bus_flush_close_unrefp) sd_bus *system_bus = NULL;
+ _cleanup_(free_host_infop) HostInfo *host = NULL;
+ int r;
+
+ host = new0(HostInfo, 1);
+ if (!host)
+ return log_oom();
+
+ if (arg_runtime_scope != RUNTIME_SCOPE_SYSTEM) {
+ r = bus_connect_transport(arg_transport, arg_host, RUNTIME_SCOPE_SYSTEM, &system_bus);
+ if (r < 0) {
+ log_debug_errno(r, "Failed to connect to system bus, ignoring: %m");
+ goto manager;
+ }
+ }
+
+ r = bus_map_all_properties(
+ system_bus ?: bus,
+ "org.freedesktop.hostname1",
+ "/org/freedesktop/hostname1",
+ hostname_map,
+ BUS_MAP_STRDUP,
+ &error,
+ NULL,
+ host);
+ if (r < 0) {
+ log_debug_errno(r, "Failed to get host information from systemd-hostnamed, ignoring: %s",
+ bus_error_message(&error, r));
+ sd_bus_error_free(&error);
+ }
+
+manager:
+ r = bus_map_all_properties(
+ bus,
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ manager_map,
+ BUS_MAP_STRDUP,
+ &error,
+ NULL,
+ host);
+ if (r < 0)
+ return log_error_errno(r, "Failed to get host information from systemd: %s",
+ bus_error_message(&error, r));
+
+ *hi = TAKE_PTR(host);
+ return 0;
+}
+
+static int compare_unit_start(const UnitTimes *a, const UnitTimes *b) {
+ return CMP(a->activating, b->activating);
+}
+
+static void svg_graph_box(double height, double begin, double end) {
+ /* outside box, fill */
+ svg("<rect class=\"box\" x=\"0\" y=\"0\" width=\"%.03f\" height=\"%.03f\" />\n",
+ SCALE_X * (end - begin),
+ SCALE_Y * height);
+
+ for (long long i = ((long long) (begin / 100000)) * 100000; i <= end; i += 100000) {
+ /* lines for each second */
+ if (i % 5000000 == 0)
+ svg(" <line class=\"sec5\" x1=\"%.03f\" y1=\"0\" x2=\"%.03f\" y2=\"%.03f\" />\n"
+ " <text class=\"sec\" x=\"%.03f\" y=\"%.03f\" >%.01fs</text>\n",
+ SCALE_X * i,
+ SCALE_X * i,
+ SCALE_Y * height,
+ SCALE_X * i,
+ -5.0,
+ 0.000001 * i);
+ else if (i % 1000000 == 0)
+ svg(" <line class=\"sec1\" x1=\"%.03f\" y1=\"0\" x2=\"%.03f\" y2=\"%.03f\" />\n"
+ " <text class=\"sec\" x=\"%.03f\" y=\"%.03f\" >%.01fs</text>\n",
+ SCALE_X * i,
+ SCALE_X * i,
+ SCALE_Y * height,
+ SCALE_X * i,
+ -5.0,
+ 0.000001 * i);
+ else
+ svg(" <line class=\"sec01\" x1=\"%.03f\" y1=\"0\" x2=\"%.03f\" y2=\"%.03f\" />\n",
+ SCALE_X * i,
+ SCALE_X * i,
+ SCALE_Y * height);
+ }
+}
+
+static void plot_tooltip(const UnitTimes *ut) {
+ assert(ut);
+ assert(ut->name);
+
+ svg("%s:\n", ut->name);
+
+ UnitDependency i;
+ VA_ARGS_FOREACH(i, UNIT_AFTER, UNIT_BEFORE, UNIT_REQUIRES, UNIT_REQUISITE, UNIT_WANTS, UNIT_CONFLICTS, UNIT_UPHOLDS)
+ if (!strv_isempty(ut->deps[i])) {
+ svg("\n%s:\n", unit_dependency_to_string(i));
+ STRV_FOREACH(s, ut->deps[i])
+ svg(" %s\n", *s);
+ }
+}
+
+static int plot_unit_times(UnitTimes *u, double width, int y) {
+ bool b;
+
+ if (!u->name)
+ return 0;
+
+ svg("<g>\n");
+ svg("<title>");
+ plot_tooltip(u);
+ svg("</title>\n");
+ 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(u->time, USEC_PER_MSEC));
+ else
+ svg_text(b, u->activating, y, "%s", u->name);
+ svg("</g>\n");
+
+ return 1;
+}
+
+static void limit_times_to_boot(const BootTimes *boot, UnitTimes *u) {
+ if (u->deactivated > u->activating && u->deactivated <= boot->finish_time && u->activated == 0
+ && u->deactivating == 0)
+ u->activated = u->deactivating = u->deactivated;
+ if (u->activated < u->activating || u->activated > boot->finish_time)
+ u->activated = boot->finish_time;
+ if (u->deactivating < u->activated || u->deactivating > boot->finish_time)
+ u->deactivating = boot->finish_time;
+ if (u->deactivated < u->deactivating || u->deactivated > boot->finish_time)
+ u->deactivated = boot->finish_time;
+}
+
+static int produce_plot_as_svg(
+ UnitTimes *times,
+ const HostInfo *host,
+ const BootTimes *boot,
+ const char *pretty_times) {
+ int m = 1, y = 0;
+ UnitTimes *u;
+ double width;
+
+ 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 (timestamp_is_set(boot->loader_time)) {
+ m++;
+ if (width < 1000.0)
+ width = 1000.0;
+ }
+ if (timestamp_is_set(boot->initrd_time))
+ m++;
+ if (timestamp_is_set(boot->kernel_done_time))
+ m++;
+
+ for (u = times; u->has_data; u++) {
+ double text_start, text_width;
+
+ if (u->activating > boot->finish_time) {
+ unit_times_clear(u);
+ 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;
+
+ limit_times_to_boot(boot, u);
+
+ m++;
+ }
+
+ svg("<?xml version=\"1.0\" standalone=\"no\"?>\n"
+ "<!DOCTYPE svg PUBLIC \"-//W3C//DTD SVG 1.1//EN\" "
+ "\"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd\">\n");
+
+ svg("<svg width=\"%.0fpx\" height=\"%.0fpx\" version=\"1.1\" "
+ "xmlns=\"http://www.w3.org/2000/svg\">\n\n",
+ 80.0 + width, 150.0 + (m * SCALE_Y) +
+ 5 * SCALE_Y /* legend */);
+
+ /* write some basic info as a comment, including some help */
+ svg("<!-- This file is a systemd-analyze SVG file. It is best rendered in a -->\n"
+ "<!-- browser such as Chrome, Chromium or Firefox. Other applications -->\n"
+ "<!-- that render these files properly but much slower are ImageMagick, -->\n"
+ "<!-- gimp, inkscape, etc. To display the files on your system, just -->\n"
+ "<!-- point your browser to this file. -->\n\n"
+ "<!-- This plot was generated by systemd-analyze version %-16.16s -->\n\n", GIT_VERSION);
+
+ /* style sheet */
+ svg("<defs>\n <style type=\"text/css\">\n <![CDATA[\n"
+ " rect { stroke-width: 1; stroke-opacity: 0; }\n"
+ " rect.background { fill: rgb(255,255,255); }\n"
+ " rect.activating { fill: rgb(255,0,0); fill-opacity: 0.7; }\n"
+ " rect.active { fill: rgb(200,150,150); fill-opacity: 0.7; }\n"
+ " rect.deactivating { fill: rgb(150,100,100); fill-opacity: 0.7; }\n"
+ " rect.kernel { fill: rgb(150,150,150); fill-opacity: 0.7; }\n"
+ " rect.initrd { fill: rgb(150,150,150); fill-opacity: 0.7; }\n"
+ " rect.firmware { fill: rgb(150,150,150); fill-opacity: 0.7; }\n"
+ " rect.loader { fill: rgb(150,150,150); fill-opacity: 0.7; }\n"
+ " rect.userspace { fill: rgb(150,150,150); fill-opacity: 0.7; }\n"
+ " rect.security { fill: rgb(144,238,144); fill-opacity: 0.7; }\n"
+ " rect.generators { fill: rgb(102,204,255); fill-opacity: 0.7; }\n"
+ " rect.unitsload { fill: rgb( 82,184,255); fill-opacity: 0.7; }\n"
+ " rect.box { fill: rgb(240,240,240); stroke: rgb(192,192,192); }\n"
+ " line { stroke: rgb(64,64,64); stroke-width: 1; }\n"
+ "// line.sec1 { }\n"
+ " line.sec5 { stroke-width: 2; }\n"
+ " line.sec01 { stroke: rgb(224,224,224); stroke-width: 1; }\n"
+ " text { font-family: Verdana, Helvetica; font-size: 14px; }\n"
+ " text.left { font-family: Verdana, Helvetica; font-size: 14px; text-anchor: start; }\n"
+ " text.right { font-family: Verdana, Helvetica; font-size: 14px; text-anchor: end; }\n"
+ " text.sec { font-size: 10px; }\n"
+ " ]]>\n </style>\n</defs>\n\n");
+
+ svg("<rect class=\"background\" width=\"100%%\" height=\"100%%\" />\n");
+ svg("<text x=\"20\" y=\"50\">%s</text>", pretty_times);
+ if (host)
+ svg("<text x=\"20\" y=\"30\">%s %s (%s %s %s) %s %s</text>",
+ os_release_pretty_name(host->os_pretty_name, NULL),
+ strempty(host->hostname),
+ strempty(host->kernel_name),
+ strempty(host->kernel_release),
+ strempty(host->kernel_version),
+ strempty(host->architecture),
+ strempty(host->virtualization));
+
+ svg("<g transform=\"translate(%.3f,100)\">\n", 20.0 + (SCALE_X * boot->firmware_time));
+ svg_graph_box(m, -(double) boot->firmware_time, boot->finish_time);
+
+ if (timestamp_is_set(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 (timestamp_is_set(boot->loader_time)) {
+ svg_bar("loader", -(double) boot->loader_time, 0, y);
+ svg_text(true, -(double) boot->loader_time, y, "loader");
+ y++;
+ }
+ if (timestamp_is_set(boot->kernel_done_time)) {
+ svg_bar("kernel", 0, boot->kernel_done_time, y);
+ svg_text(true, 0, y, "kernel");
+ y++;
+ }
+ if (timestamp_is_set(boot->initrd_time)) {
+ svg_bar("initrd", boot->initrd_time, boot->userspace_time, y);
+ if (boot->initrd_security_start_time < boot->initrd_security_finish_time)
+ svg_bar("security", boot->initrd_security_start_time, boot->initrd_security_finish_time, y);
+ if (boot->initrd_generators_start_time < boot->initrd_generators_finish_time)
+ svg_bar("generators", boot->initrd_generators_start_time, boot->initrd_generators_finish_time, y);
+ if (boot->initrd_unitsload_start_time < boot->initrd_unitsload_finish_time)
+ svg_bar("unitsload", boot->initrd_unitsload_start_time, boot->initrd_unitsload_finish_time, y);
+ svg_text(true, boot->initrd_time, y, "initrd");
+ y++;
+ }
+
+ for (u = times; u->has_data; u++) {
+ if (u->activating >= boot->userspace_time)
+ break;
+
+ y += plot_unit_times(u, width, y);
+ }
+
+ svg_bar("active", boot->userspace_time, boot->finish_time, y);
+ if (timestamp_is_set(boot->security_start_time))
+ svg_bar("security", boot->security_start_time, boot->security_finish_time, y);
+ svg_bar("generators", boot->generators_start_time, boot->generators_finish_time, y);
+ svg_bar("unitsload", boot->unitsload_start_time, boot->unitsload_finish_time, y);
+ svg_text(true, boot->userspace_time, y, "systemd");
+ y++;
+
+ for (; u->has_data; u++)
+ y += plot_unit_times(u, width, y);
+
+ svg("</g>\n");
+
+ /* Legend */
+ svg("<g transform=\"translate(20,100)\">\n");
+ y++;
+ svg_bar("activating", 0, 300000, y);
+ svg_text(true, 400000, y, "Activating");
+ y++;
+ svg_bar("active", 0, 300000, y);
+ svg_text(true, 400000, y, "Active");
+ y++;
+ svg_bar("deactivating", 0, 300000, y);
+ svg_text(true, 400000, y, "Deactivating");
+ y++;
+ if (timestamp_is_set(boot->security_start_time)) {
+ svg_bar("security", 0, 300000, y);
+ svg_text(true, 400000, y, "Setting up security module");
+ y++;
+ }
+ svg_bar("generators", 0, 300000, y);
+ svg_text(true, 400000, y, "Generators");
+ y++;
+ svg_bar("unitsload", 0, 300000, y);
+ svg_text(true, 400000, y, "Loading unit files");
+ y++;
+
+ svg("</g>\n\n");
+
+ svg("</svg>\n");
+
+ return 0;
+}
+
+static int show_table(Table *table, const char *word) {
+ int r;
+
+ assert(table);
+ assert(word);
+
+ if (table_get_rows(table) > 1) {
+ table_set_header(table, arg_legend);
+
+ if (!FLAGS_SET(arg_json_format_flags, JSON_FORMAT_OFF))
+ r = table_print_json(table, NULL, arg_json_format_flags | JSON_FORMAT_COLOR_AUTO);
+ else
+ r = table_print(table, NULL);
+ if (r < 0)
+ return table_log_print_error(r);
+ }
+
+ if (arg_legend) {
+ if (table_get_rows(table) > 1)
+ printf("\n%zu %s listed.\n", table_get_rows(table) - 1, word);
+ else
+ printf("No %s.\n", word);
+ }
+
+ return 0;
+}
+
+static int produce_plot_as_text(UnitTimes *times, const BootTimes *boot) {
+ _cleanup_(table_unrefp) Table *table = NULL;
+ int r;
+
+ table = table_new("name", "activated", "activating", "time", "deactivated", "deactivating");
+ if (!table)
+ return log_oom();
+
+ for (; times->has_data; times++) {
+ limit_times_to_boot(boot, times);
+
+ r = table_add_many(
+ table,
+ TABLE_STRING, times->name,
+ TABLE_TIMESPAN_MSEC, times->activated,
+ TABLE_TIMESPAN_MSEC, times->activating,
+ TABLE_TIMESPAN_MSEC, times->time,
+ TABLE_TIMESPAN_MSEC, times->deactivated,
+ TABLE_TIMESPAN_MSEC, times->deactivating);
+ if (r < 0)
+ return table_log_add_error(r);
+ }
+
+ return show_table(table, "Units");
+}
+
+int verb_plot(int argc, char *argv[], void *userdata) {
+ _cleanup_(free_host_infop) HostInfo *host = NULL;
+ _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
+ _cleanup_(unit_times_free_arrayp) UnitTimes *times = NULL;
+ _cleanup_free_ char *pretty_times = NULL;
+ bool use_full_bus = arg_runtime_scope == RUNTIME_SCOPE_SYSTEM;
+ BootTimes *boot;
+ int n, r;
+
+ r = acquire_bus(&bus, &use_full_bus);
+ if (r < 0)
+ return bus_log_connect_error(r, arg_transport);
+
+ n = acquire_boot_times(bus, /* require_finished = */ true, &boot);
+ if (n < 0)
+ return n;
+
+ n = pretty_boot_time(bus, &pretty_times);
+ if (n < 0)
+ return n;
+
+ if (use_full_bus || arg_runtime_scope != RUNTIME_SCOPE_SYSTEM) {
+ n = acquire_host_info(bus, &host);
+ if (n < 0)
+ return n;
+ }
+
+ n = acquire_time_data(bus, /* require_finished = */ true, &times);
+ if (n <= 0)
+ return n;
+
+ typesafe_qsort(times, n, compare_unit_start);
+
+ if (!FLAGS_SET(arg_json_format_flags, JSON_FORMAT_OFF) || arg_table)
+ r = produce_plot_as_text(times, boot);
+ else
+ r = produce_plot_as_svg(times, host, boot, pretty_times);
+ if (r < 0)
+ return r;
+
+ return EXIT_SUCCESS;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-22 13:52:07 +0000