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analyze: split out "plot" verb

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This commit is contained in:
Lennart Poettering 2022-02-21 13:36:40 +01:00
parent 113dd9cbc4
commit ba474dada8
7 changed files with 508 additions and 487 deletions
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395
src/analyze/analyze-plot.c Normal file
View File

@ -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(" <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_scope != UNIT_FILE_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("<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 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 analyze_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 == UNIT_FILE_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 != UNIT_FILE_SYSTEM) {
n = acquire_host_info(bus, &host);
if (n < 0)
return n;
}
n = acquire_time_data(bus, &times);
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("<?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>",
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("<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 (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("</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 (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("</g>\n\n");
svg("</svg>\n");
return 0;
}

4
src/analyze/analyze-plot.h Normal file
View File

@ -0,0 +1,4 @@
/* SPDX-License-Identifier: LGPL-2.1-or-later */
#pragma once
int analyze_plot(int argc, char *argv[], void *userdata);

103
src/analyze/analyze-time-data.c
View File

@ -6,6 +6,8 @@
#include "bus-locator.h"
#include "bus-map-properties.h"
#include "bus-unit-util.h"
#include "special.h"
#include "strxcpyx.h"
static void subtract_timestamp(usec_t *a, usec_t b) {
assert(a);
@ -100,6 +102,107 @@ finish:
return 0;
}
static int bus_get_uint64_property(sd_bus *bus, const char *path, const char *interface, const char *property, uint64_t *val) {
_cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
int r;
assert(bus);
assert(path);
assert(interface);
assert(property);
assert(val);
r = sd_bus_get_property_trivial(
bus,
"org.freedesktop.systemd1",
path,
interface,
property,
&error,
't', val);
if (r < 0)
return log_error_errno(r, "Failed to parse reply: %s", bus_error_message(&error, r));
return 0;
}
int pretty_boot_time(sd_bus *bus, char **ret) {
BootTimes *t;
static char buf[4096];
size_t size;
char *ptr;
int r;
usec_t activated_time = USEC_INFINITY;
_cleanup_free_ char *path = NULL, *unit_id = NULL;
_cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
r = acquire_boot_times(bus, &t);
if (r < 0)
return r;
path = unit_dbus_path_from_name(SPECIAL_DEFAULT_TARGET);
if (!path)
return log_oom();
r = sd_bus_get_property_string(
bus,
"org.freedesktop.systemd1",
path,
"org.freedesktop.systemd1.Unit",
"Id",
&error,
&unit_id);
if (r < 0) {
log_error_errno(r, "default.target doesn't seem to exist: %s", bus_error_message(&error, r));
unit_id = NULL;
}
r = bus_get_uint64_property(bus, path,
"org.freedesktop.systemd1.Unit",
"ActiveEnterTimestampMonotonic",
&activated_time);
if (r < 0) {
log_info_errno(r, "Could not get time to reach default.target, ignoring: %m");
activated_time = USEC_INFINITY;
}
ptr = buf;
size = sizeof(buf);
size = strpcpyf(&ptr, size, "Startup finished in ");
if (t->firmware_time > 0)
size = strpcpyf(&ptr, size, "%s (firmware) + ", FORMAT_TIMESPAN(t->firmware_time - t->loader_time, USEC_PER_MSEC));
if (t->loader_time > 0)
size = strpcpyf(&ptr, size, "%s (loader) + ", FORMAT_TIMESPAN(t->loader_time, USEC_PER_MSEC));
if (t->kernel_done_time > 0)
size = strpcpyf(&ptr, size, "%s (kernel) + ", FORMAT_TIMESPAN(t->kernel_done_time, USEC_PER_MSEC));
if (t->initrd_time > 0)
size = strpcpyf(&ptr, size, "%s (initrd) + ", FORMAT_TIMESPAN(t->userspace_time - t->initrd_time, USEC_PER_MSEC));
size = strpcpyf(&ptr, size, "%s (userspace) ", FORMAT_TIMESPAN(t->finish_time - t->userspace_time, USEC_PER_MSEC));
if (t->kernel_done_time > 0)
strpcpyf(&ptr, size, "= %s ", FORMAT_TIMESPAN(t->firmware_time + t->finish_time, USEC_PER_MSEC));
if (unit_id && timestamp_is_set(activated_time)) {
usec_t base = t->userspace_time > 0 ? t->userspace_time : t->reverse_offset;
size = strpcpyf(&ptr, size, "\n%s reached after %s in userspace", unit_id,
FORMAT_TIMESPAN(activated_time - base, USEC_PER_MSEC));
} else if (unit_id && activated_time == 0)
size = strpcpyf(&ptr, size, "\n%s was never reached", unit_id);
else if (unit_id && activated_time == USEC_INFINITY)
size = strpcpyf(&ptr, size, "\nCould not get time to reach %s.", unit_id);
else if (!unit_id)
size = strpcpyf(&ptr, size, "\ncould not find default.target");
ptr = strdup(buf);
if (!ptr)
return log_oom();
*ret = ptr;
return 0;
}
UnitTimes* unit_times_free_array(UnitTimes *t) {
if (!t)
return NULL;

1
src/analyze/analyze-time-data.h
View File

@ -46,6 +46,7 @@ typedef struct UnitTimes {
} UnitTimes;
int acquire_boot_times(sd_bus *bus, BootTimes **ret);
int pretty_boot_time(sd_bus *bus, char **ret);
UnitTimes* unit_times_free_array(UnitTimes *t);
DEFINE_TRIVIAL_CLEANUP_FUNC(UnitTimes*, unit_times_free_array);

489
src/analyze/analyze.c
View File

@ -22,6 +22,7 @@
#include "analyze-elf.h"
#include "analyze-exit-status.h"
#include "analyze-filesystems.h"
#include "analyze-plot.h"
#include "analyze-security.h"
#include "analyze-service-watchdogs.h"
#include "analyze-syscall-filter.h"
@ -76,30 +77,12 @@
#include "verbs.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)
DotMode arg_dot = DEP_ALL;
char **arg_dot_from_patterns = NULL, **arg_dot_to_patterns = NULL;
static usec_t arg_fuzz = 0;
PagerFlags arg_pager_flags = 0;
BusTransport arg_transport = BUS_TRANSPORT_LOCAL;
static const char *arg_host = NULL;
const char *arg_host = NULL;
UnitFileScope arg_scope = UNIT_FILE_SYSTEM;
static RecursiveErrors arg_recursive_errors = RECURSIVE_ERRORS_YES;
static bool arg_man = true;
@ -124,16 +107,6 @@ STATIC_DESTRUCTOR_REGISTER(arg_security_policy, freep);
STATIC_DESTRUCTOR_REGISTER(arg_unit, freep);
STATIC_DESTRUCTOR_REGISTER(arg_profile, freep);
typedef struct HostInfo {
char *hostname;
char *kernel_name;
char *kernel_release;
char *kernel_version;
char *os_pretty_name;
char *virtualization;
char *architecture;
} HostInfo;
int acquire_bus(sd_bus **bus, bool *use_full_bus) {
bool user = arg_scope != UNIT_FILE_SYSTEM;
int r;
@ -149,30 +122,6 @@ int acquire_bus(sd_bus **bus, bool *use_full_bus) {
return bus_connect_transport_systemd(arg_transport, arg_host, user, bus);
}
static int bus_get_uint64_property(sd_bus *bus, const char *path, const char *interface, const char *property, uint64_t *val) {
_cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
int r;
assert(bus);
assert(path);
assert(interface);
assert(property);
assert(val);
r = sd_bus_get_property_trivial(
bus,
"org.freedesktop.systemd1",
path,
interface,
property,
&error,
't', val);
if (r < 0)
return log_error_errno(r, "Failed to parse reply: %s", bus_error_message(&error, r));
return 0;
}
int bus_get_unit_property_strv(sd_bus *bus, const char *path, const char *property, char ***strv) {
_cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
int r;
@ -196,10 +145,6 @@ int bus_get_unit_property_strv(sd_bus *bus, const char *path, const char *proper
return 0;
}
static int compare_unit_start(const UnitTimes *a, const UnitTimes *b) {
return CMP(a->activating, b->activating);
}
static int process_aliases(char *argv[], char *tempdir, char ***ret) {
_cleanup_strv_free_ char **filenames = NULL;
char **filename;
@ -247,436 +192,6 @@ static int process_aliases(char *argv[], char *tempdir, char ***ret) {
return 0;
}
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 != UNIT_FILE_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 pretty_boot_time(sd_bus *bus, char **_buf) {
BootTimes *t;
static char buf[4096];
size_t size;
char *ptr;
int r;
usec_t activated_time = USEC_INFINITY;
_cleanup_free_ char *path = NULL, *unit_id = NULL;
_cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
r = acquire_boot_times(bus, &t);
if (r < 0)
return r;
path = unit_dbus_path_from_name(SPECIAL_DEFAULT_TARGET);
if (!path)
return log_oom();
r = sd_bus_get_property_string(
bus,
"org.freedesktop.systemd1",
path,
"org.freedesktop.systemd1.Unit",
"Id",
&error,
&unit_id);
if (r < 0) {
log_error_errno(r, "default.target doesn't seem to exist: %s", bus_error_message(&error, r));
unit_id = NULL;
}
r = bus_get_uint64_property(bus, path,
"org.freedesktop.systemd1.Unit",
"ActiveEnterTimestampMonotonic",
&activated_time);
if (r < 0) {
log_info_errno(r, "Could not get time to reach default.target, ignoring: %m");
activated_time = USEC_INFINITY;
}
ptr = buf;
size = sizeof(buf);
size = strpcpyf(&ptr, size, "Startup finished in ");
if (t->firmware_time > 0)
size = strpcpyf(&ptr, size, "%s (firmware) + ", FORMAT_TIMESPAN(t->firmware_time - t->loader_time, USEC_PER_MSEC));
if (t->loader_time > 0)
size = strpcpyf(&ptr, size, "%s (loader) + ", FORMAT_TIMESPAN(t->loader_time, USEC_PER_MSEC));
if (t->kernel_done_time > 0)
size = strpcpyf(&ptr, size, "%s (kernel) + ", FORMAT_TIMESPAN(t->kernel_done_time, USEC_PER_MSEC));
if (t->initrd_time > 0)
size = strpcpyf(&ptr, size, "%s (initrd) + ", FORMAT_TIMESPAN(t->userspace_time - t->initrd_time, USEC_PER_MSEC));
size = strpcpyf(&ptr, size, "%s (userspace) ", FORMAT_TIMESPAN(t->finish_time - t->userspace_time, USEC_PER_MSEC));
if (t->kernel_done_time > 0)
strpcpyf(&ptr, size, "= %s ", FORMAT_TIMESPAN(t->firmware_time + t->finish_time, USEC_PER_MSEC));
if (unit_id && timestamp_is_set(activated_time)) {
usec_t base = t->userspace_time > 0 ? t->userspace_time : t->reverse_offset;
size = strpcpyf(&ptr, size, "\n%s reached after %s in userspace", unit_id,
FORMAT_TIMESPAN(activated_time - base, USEC_PER_MSEC));
} else if (unit_id && activated_time == 0)
size = strpcpyf(&ptr, size, "\n%s was never reached", unit_id);
else if (unit_id && activated_time == USEC_INFINITY)
size = strpcpyf(&ptr, size, "\nCould not get time to reach %s.", unit_id);
else if (!unit_id)
size = strpcpyf(&ptr, size, "\ncould not find default.target");
ptr = strdup(buf);
if (!ptr)
return log_oom();
*_buf = ptr;
return 0;
}
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 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;
}
static int analyze_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 == UNIT_FILE_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 != UNIT_FILE_SYSTEM) {
n = acquire_host_info(bus, &host);
if (n < 0)
return n;
}
n = acquire_time_data(bus, &times);
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("<?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>",
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("<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 (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("</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 (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("</g>\n\n");
svg("</svg>\n");
return 0;
}
static int list_dependencies_print(
const char *name,
unsigned level,

1
src/analyze/analyze.h
View File

@ -18,6 +18,7 @@ extern DotMode arg_dot;
extern char **arg_dot_from_patterns, **arg_dot_to_patterns;
extern PagerFlags arg_pager_flags;
extern BusTransport arg_transport;
extern const char *arg_host;
extern UnitFileScope arg_scope;
extern unsigned arg_iterations;
extern usec_t arg_base_time;

2
src/analyze/meson.build
View File

@ -19,6 +19,8 @@ systemd_analyze_sources = files('''
analyze-exit-status.h
analyze-filesystems.c
analyze-filesystems.h
analyze-plot.c
analyze-plot.h
analyze-security.c
analyze-security.h
analyze-service-watchdogs.c