From b750101eb236130cf056c675997decbac904cc49 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 17:35:18 +0200 Subject: Adding upstream version 252.22. Signed-off-by: Daniel Baumann --- src/analyze/analyze-plot.c | 395 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 395 insertions(+) create mode 100644 src/analyze/analyze-plot.c (limited to 'src/analyze/analyze-plot.c') diff --git a/src/analyze/analyze-plot.c b/src/analyze/analyze-plot.c new file mode 100644 index 0000000..100bdc3 --- /dev/null +++ b/src/analyze/analyze-plot.c @@ -0,0 +1,395 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ + +#include "analyze.h" +#include "analyze-plot.h" +#include "analyze-time-data.h" +#include "bus-error.h" +#include "bus-map-properties.h" +#include "sort-util.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(" \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(" ", (b) ? "left" : "right", SCALE_X * (x) + (b ? 5.0 : -5.0), SCALE_Y * (y) + 14.0); \ + svg(format, ## __VA_ARGS__); \ + svg("\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_scope != LOOKUP_SCOPE_SYSTEM) { + r = bus_connect_transport(arg_transport, arg_host, false, &system_bus); + if (r < 0) { + log_debug_errno(r, "Failed to connect to system bus, ignoring: %m"); + goto manager; + } + } + + r = bus_map_all_properties( + system_bus ?: bus, + "org.freedesktop.hostname1", + "/org/freedesktop/hostname1", + hostname_map, + BUS_MAP_STRDUP, + &error, + NULL, + host); + if (r < 0) { + log_debug_errno(r, "Failed to get host information from systemd-hostnamed, ignoring: %s", + bus_error_message(&error, r)); + sd_bus_error_free(&error); + } + +manager: + r = bus_map_all_properties( + bus, + "org.freedesktop.systemd1", + "/org/freedesktop/systemd1", + manager_map, + BUS_MAP_STRDUP, + &error, + NULL, + host); + if (r < 0) + return log_error_errno(r, "Failed to get host information from systemd: %s", + bus_error_message(&error, r)); + + *hi = TAKE_PTR(host); + return 0; +} + +static int 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("\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(" \n" + " %.01fs\n", + SCALE_X * i, + SCALE_X * i, + SCALE_Y * height, + SCALE_X * i, + -5.0, + 0.000001 * i); + else if (i % 1000000 == 0) + svg(" \n" + " %.01fs\n", + SCALE_X * i, + SCALE_X * i, + SCALE_Y * height, + SCALE_X * i, + -5.0, + 0.000001 * i); + else + svg(" \n", + SCALE_X * i, + SCALE_X * i, + SCALE_Y * height); + } +} + +static int plot_unit_times(UnitTimes *u, double width, int y) { + bool b; + + if (!u->name) + return 0; + + svg_bar("activating", u->activating, u->activated, y); + svg_bar("active", u->activated, u->deactivating, y); + svg_bar("deactivating", u->deactivating, u->deactivated, y); + + /* place the text on the left if we have passed the half of the svg width */ + b = u->activating * SCALE_X < width / 2; + if (u->time) + svg_text(b, u->activating, y, "%s (%s)", + u->name, FORMAT_TIMESPAN(u->time, USEC_PER_MSEC)); + else + svg_text(b, u->activating, y, "%s", u->name); + + return 1; +} + +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_scope == LOOKUP_SCOPE_SYSTEM; + BootTimes *boot; + UnitTimes *u; + int n, m = 1, y = 0, r; + double width; + + r = acquire_bus(&bus, &use_full_bus); + if (r < 0) + return bus_log_connect_error(r, arg_transport); + + n = acquire_boot_times(bus, &boot); + if (n < 0) + return n; + + n = pretty_boot_time(bus, &pretty_times); + if (n < 0) + return n; + + if (use_full_bus || arg_scope != LOOKUP_SCOPE_SYSTEM) { + n = acquire_host_info(bus, &host); + if (n < 0) + return n; + } + + n = acquire_time_data(bus, ×); + if (n <= 0) + return n; + + typesafe_qsort(times, n, compare_unit_start); + + width = SCALE_X * (boot->firmware_time + boot->finish_time); + if (width < 800.0) + width = 800.0; + + if (boot->firmware_time > boot->loader_time) + m++; + if (boot->loader_time > 0) { + m++; + if (width < 1000.0) + width = 1000.0; + } + if (boot->initrd_time > 0) + m++; + if (boot->kernel_done_time > 0) + m++; + + for (u = times; u->has_data; u++) { + double text_start, text_width; + + if (u->activating > boot->finish_time) { + u->name = mfree(u->name); + continue; + } + + /* If the text cannot fit on the left side then + * increase the svg width so it fits on the right. + * TODO: calculate the text width more accurately */ + text_width = 8.0 * strlen(u->name); + text_start = (boot->firmware_time + u->activating) * SCALE_X; + if (text_width > text_start && text_width + text_start > width) + width = text_width + text_start; + + if (u->deactivated > u->activating && + u->deactivated <= boot->finish_time && + u->activated == 0 && u->deactivating == 0) + u->activated = u->deactivating = u->deactivated; + if (u->activated < u->activating || u->activated > boot->finish_time) + u->activated = boot->finish_time; + if (u->deactivating < u->activated || u->deactivating > boot->finish_time) + u->deactivating = boot->finish_time; + if (u->deactivated < u->deactivating || u->deactivated > boot->finish_time) + u->deactivated = boot->finish_time; + m++; + } + + svg("\n" + "\n"); + + 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("\n" + "\n" + "\n" + "\n" + "\n\n" + "\n\n", GIT_VERSION); + + /* style sheet */ + svg("\n \n\n\n"); + + svg("\n"); + svg("%s", pretty_times); + if (host) + svg("%s %s (%s %s %s) %s %s", + isempty(host->os_pretty_name) ? "Linux" : host->os_pretty_name, + strempty(host->hostname), + strempty(host->kernel_name), + strempty(host->kernel_release), + strempty(host->kernel_version), + strempty(host->architecture), + strempty(host->virtualization)); + + svg("\n", 20.0 + (SCALE_X * boot->firmware_time)); + svg_graph_box(m, -(double) boot->firmware_time, boot->finish_time); + + if (boot->firmware_time > 0) { + svg_bar("firmware", -(double) boot->firmware_time, -(double) boot->loader_time, y); + svg_text(true, -(double) boot->firmware_time, y, "firmware"); + y++; + } + if (boot->loader_time > 0) { + svg_bar("loader", -(double) boot->loader_time, 0, y); + svg_text(true, -(double) boot->loader_time, y, "loader"); + y++; + } + if (boot->kernel_done_time > 0) { + svg_bar("kernel", 0, boot->kernel_done_time, y); + svg_text(true, 0, y, "kernel"); + y++; + } + if (boot->initrd_time > 0) { + svg_bar("initrd", boot->initrd_time, boot->userspace_time, y); + if (boot->initrd_security_start_time < boot->initrd_security_finish_time) + svg_bar("security", boot->initrd_security_start_time, boot->initrd_security_finish_time, y); + if (boot->initrd_generators_start_time < boot->initrd_generators_finish_time) + svg_bar("generators", boot->initrd_generators_start_time, boot->initrd_generators_finish_time, y); + if (boot->initrd_unitsload_start_time < boot->initrd_unitsload_finish_time) + svg_bar("unitsload", boot->initrd_unitsload_start_time, boot->initrd_unitsload_finish_time, y); + svg_text(true, boot->initrd_time, y, "initrd"); + y++; + } + + for (u = times; u->has_data; u++) { + if (u->activating >= boot->userspace_time) + break; + + y += plot_unit_times(u, width, y); + } + + svg_bar("active", boot->userspace_time, boot->finish_time, y); + if (boot->security_start_time > 0) + svg_bar("security", boot->security_start_time, boot->security_finish_time, y); + svg_bar("generators", boot->generators_start_time, boot->generators_finish_time, y); + svg_bar("unitsload", boot->unitsload_start_time, boot->unitsload_finish_time, y); + svg_text(true, boot->userspace_time, y, "systemd"); + y++; + + for (; u->has_data; u++) + y += plot_unit_times(u, width, y); + + svg("\n"); + + /* Legend */ + svg("\n"); + y++; + svg_bar("activating", 0, 300000, y); + svg_text(true, 400000, y, "Activating"); + y++; + svg_bar("active", 0, 300000, y); + svg_text(true, 400000, y, "Active"); + y++; + svg_bar("deactivating", 0, 300000, y); + svg_text(true, 400000, y, "Deactivating"); + y++; + if (boot->security_start_time > 0) { + svg_bar("security", 0, 300000, y); + svg_text(true, 400000, y, "Setting up security module"); + y++; + } + svg_bar("generators", 0, 300000, y); + svg_text(true, 400000, y, "Generators"); + y++; + svg_bar("unitsload", 0, 300000, y); + svg_text(true, 400000, y, "Loading unit files"); + y++; + + svg("\n\n"); + + svg("\n"); + + return EXIT_SUCCESS; +} -- cgit v1.2.3