#include <getopt.h>
#include <locale.h>
#include <sys/utsname.h>
+#include <fnmatch.h>
#include "install.h"
#include "log.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
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;
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));
+ 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));
+ 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));
+ 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));
+ 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));
+ 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));
+ 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));
+ size = strpcpyf(&ptr, size, "= %s", format_timespan(ts, sizeof(ts), t->finish_time - t->userspace_time, USEC_PER_MSEC));
ptr = strdup(buf);
if (!ptr)
for (u = times; u < times + n; u++) {
char ts[FORMAT_TIMESPAN_MAX];
+ bool b;
if (!u->name)
continue;
svg_bar("active", u->aet, u->axt, y);
svg_bar("deactivating", u->axt, u->iet, y);
- if (u->ixt * SCALE_X > width * 2 / 3)
- svg_text(false, u->ixt, y, u->time? "%s (%s)" : "%s", u->name, format_timespan(ts, sizeof(ts), u->time));
+ 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(true, u->ixt, y, u->time? "%s (%s)" : "%s", u->name, format_timespan(ts, sizeof(ts), u->time));
+ svg_text(b, u->ixt, y, "%s", u->name);
y++;
}
svg("</g>\n\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;
char ts[FORMAT_TIMESPAN_MAX];
if (times[i].time > 0)
- printf("%16s %s\n", format_timespan(ts, sizeof(ts), times[i].time), times[i].name);
+ 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 graph_one_property(const char *name, const char *prop, DBusMessageIter *iter) {
+static int graph_one_property(const char *name, const char *prop, DBusMessageIter *iter, char* patterns[]) {
static const char * const colors[] = {
"Requires", "[color=\"black\"]",
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) {
+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;
}
dbus_message_iter_recurse(&sub2, &sub3);
- r = graph_one_property(u->id, prop, &sub3);
+ r = graph_one_property(u->id, prop, &sub3, patterns);
if (r < 0)
return r;
}
return 0;
}
-static int dot(DBusConnection *bus) {
+static int dot(DBusConnection *bus, char* patterns[]) {
_cleanup_dbus_message_unref_ DBusMessage *reply = NULL;
DBusMessageIter iter, sub;
int r;
if (r < 0)
return -EIO;
- r = graph_one(bus, &u);
+ r = graph_one(bus, &u, patterns);
if (r < 0)
return r;
}
" --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\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_SYSTEM,
+ ARG_DOT_FROM_PATTERN,
+ ARG_DOT_TO_PATTERN,
+ ARG_FUZZ
};
static const struct option options[] = {
{ "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 }
};
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;
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);
+ 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;
~ianmdlvl / elogind.git / blobdiff