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-rw-r--r--src/analyze/analyze.c409
1 files changed, 267 insertions, 142 deletions
diff --git a/src/analyze/analyze.c b/src/analyze/analyze.c
index c0863e4167..f05f1e5581 100644
--- a/src/analyze/analyze.c
+++ b/src/analyze/analyze.c
@@ -20,25 +20,25 @@
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
-#include <stdio.h>
-#include <stdlib.h>
#include <getopt.h>
#include <locale.h>
+#include <stdio.h>
+#include <stdlib.h>
#include "sd-bus.h"
-#include "bus-util.h"
+
+#include "analyze-verify.h"
#include "bus-error.h"
-#include "log.h"
-#include "build.h"
-#include "util.h"
-#include "strxcpyx.h"
-#include "strv.h"
-#include "unit-name.h"
-#include "special.h"
+#include "bus-util.h"
#include "hashmap.h"
+#include "log.h"
#include "pager.h"
-#include "analyze-verify.h"
+#include "special.h"
+#include "strv.h"
+#include "strxcpyx.h"
#include "terminal-util.h"
+#include "unit-name.h"
+#include "util.h"
#define SCALE_X (0.1 / 1000.0) /* pixels per us */
#define SCALE_Y (20.0)
@@ -88,6 +88,18 @@ struct boot_times {
usec_t generators_finish_time;
usec_t unitsload_start_time;
usec_t unitsload_finish_time;
+
+ /*
+ * If we're analyzing the user instance, all timestamps will be offset
+ * by its own start-up timestamp, which may be arbitrarily big.
+ * With "plot", this causes arbitrarily wide output SVG files which almost
+ * completely consist of empty space. Thus we cancel out this offset.
+ *
+ * This offset is subtracted from times above by acquire_boot_times(),
+ * but it still needs to be subtracted from unit-specific timestamps
+ * (so it is stored here for reference).
+ */
+ usec_t reverse_offset;
};
struct unit_times {
@@ -188,95 +200,13 @@ static void free_unit_times(struct unit_times *t, unsigned n) {
free(t);
}
-static int acquire_time_data(sd_bus *bus, struct unit_times **out) {
- _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
- _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
- int r, c = 0;
- struct unit_times *unit_times = NULL;
- size_t size = 0;
- UnitInfo u;
-
- r = sd_bus_call_method(
- bus,
- "org.freedesktop.systemd1",
- "/org/freedesktop/systemd1",
- "org.freedesktop.systemd1.Manager",
- "ListUnits",
- &error, &reply,
- NULL);
- if (r < 0) {
- log_error("Failed to list units: %s", bus_error_message(&error, -r));
- goto fail;
- }
-
- r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssssssouso)");
- if (r < 0) {
- bus_log_parse_error(r);
- goto fail;
- }
-
- while ((r = bus_parse_unit_info(reply, &u)) > 0) {
- struct unit_times *t;
-
- if (!GREEDY_REALLOC(unit_times, size, c+1)) {
- r = log_oom();
- goto fail;
- }
-
- t = unit_times+c;
- t->name = NULL;
-
- assert_cc(sizeof(usec_t) == sizeof(uint64_t));
-
- if (bus_get_uint64_property(bus, u.unit_path,
- "org.freedesktop.systemd1.Unit",
- "InactiveExitTimestampMonotonic",
- &t->activating) < 0 ||
- bus_get_uint64_property(bus, u.unit_path,
- "org.freedesktop.systemd1.Unit",
- "ActiveEnterTimestampMonotonic",
- &t->activated) < 0 ||
- bus_get_uint64_property(bus, u.unit_path,
- "org.freedesktop.systemd1.Unit",
- "ActiveExitTimestampMonotonic",
- &t->deactivating) < 0 ||
- bus_get_uint64_property(bus, u.unit_path,
- "org.freedesktop.systemd1.Unit",
- "InactiveEnterTimestampMonotonic",
- &t->deactivated) < 0) {
- r = -EIO;
- goto fail;
- }
-
- if (t->activated >= t->activating)
- t->time = t->activated - t->activating;
- else if (t->deactivated >= t->activating)
- t->time = t->deactivated - t->activating;
- else
- t->time = 0;
-
- if (t->activating == 0)
- continue;
+static void subtract_timestamp(usec_t *a, usec_t b) {
+ assert(a);
- t->name = strdup(u.id);
- if (t->name == NULL) {
- r = log_oom();
- goto fail;
- }
- c++;
- }
- if (r < 0) {
- bus_log_parse_error(r);
- goto fail;
+ if (*a > 0) {
+ assert(*a >= b);
+ *a -= b;
}
-
- *out = unit_times;
- return c;
-
-fail:
- if (unit_times)
- free_unit_times(unit_times, (unsigned) c);
- return r;
}
static int acquire_boot_times(sd_bus *bus, struct boot_times **bt) {
@@ -355,10 +285,30 @@ static int acquire_boot_times(sd_bus *bus, struct boot_times **bt) {
return -EINPROGRESS;
}
- if (times.initrd_time)
- times.kernel_done_time = times.initrd_time;
- else
- times.kernel_done_time = times.userspace_time;
+ if (arg_user) {
+ /*
+ * User-instance-specific timestamps processing
+ * (see comment to reverse_offset in struct boot_times).
+ */
+ times.reverse_offset = times.userspace_time;
+
+ times.firmware_time = times.loader_time = times.kernel_time = times.initrd_time = times.userspace_time = 0;
+ subtract_timestamp(&times.finish_time, times.reverse_offset);
+
+ subtract_timestamp(&times.security_start_time, times.reverse_offset);
+ subtract_timestamp(&times.security_finish_time, times.reverse_offset);
+
+ subtract_timestamp(&times.generators_start_time, times.reverse_offset);
+ subtract_timestamp(&times.generators_finish_time, times.reverse_offset);
+
+ subtract_timestamp(&times.unitsload_start_time, times.reverse_offset);
+ subtract_timestamp(&times.unitsload_finish_time, times.reverse_offset);
+ } else {
+ if (times.initrd_time)
+ times.kernel_done_time = times.initrd_time;
+ else
+ times.kernel_done_time = times.userspace_time;
+ }
cached = true;
@@ -378,6 +328,107 @@ static void free_host_info(struct host_info *hi) {
free(hi);
}
+static int acquire_time_data(sd_bus *bus, struct unit_times **out) {
+ _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
+ _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
+ int r, c = 0;
+ struct boot_times *boot_times = NULL;
+ struct unit_times *unit_times = NULL;
+ size_t size = 0;
+ UnitInfo u;
+
+ r = acquire_boot_times(bus, &boot_times);
+ if (r < 0)
+ goto fail;
+
+ r = sd_bus_call_method(
+ bus,
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager",
+ "ListUnits",
+ &error, &reply,
+ NULL);
+ if (r < 0) {
+ log_error("Failed to list units: %s", bus_error_message(&error, -r));
+ goto fail;
+ }
+
+ r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssssssouso)");
+ if (r < 0) {
+ bus_log_parse_error(r);
+ goto fail;
+ }
+
+ while ((r = bus_parse_unit_info(reply, &u)) > 0) {
+ struct unit_times *t;
+
+ if (!GREEDY_REALLOC(unit_times, size, c+1)) {
+ r = log_oom();
+ goto fail;
+ }
+
+ t = unit_times+c;
+ t->name = NULL;
+
+ assert_cc(sizeof(usec_t) == sizeof(uint64_t));
+
+ if (bus_get_uint64_property(bus, u.unit_path,
+ "org.freedesktop.systemd1.Unit",
+ "InactiveExitTimestampMonotonic",
+ &t->activating) < 0 ||
+ bus_get_uint64_property(bus, u.unit_path,
+ "org.freedesktop.systemd1.Unit",
+ "ActiveEnterTimestampMonotonic",
+ &t->activated) < 0 ||
+ bus_get_uint64_property(bus, u.unit_path,
+ "org.freedesktop.systemd1.Unit",
+ "ActiveExitTimestampMonotonic",
+ &t->deactivating) < 0 ||
+ bus_get_uint64_property(bus, u.unit_path,
+ "org.freedesktop.systemd1.Unit",
+ "InactiveEnterTimestampMonotonic",
+ &t->deactivated) < 0) {
+ r = -EIO;
+ goto fail;
+ }
+
+ subtract_timestamp(&t->activating, boot_times->reverse_offset);
+ subtract_timestamp(&t->activated, boot_times->reverse_offset);
+ subtract_timestamp(&t->deactivating, boot_times->reverse_offset);
+ subtract_timestamp(&t->deactivated, boot_times->reverse_offset);
+
+ if (t->activated >= t->activating)
+ t->time = t->activated - t->activating;
+ else if (t->deactivated >= t->activating)
+ t->time = t->deactivated - t->activating;
+ else
+ t->time = 0;
+
+ if (t->activating == 0)
+ continue;
+
+ t->name = strdup(u.id);
+ if (t->name == NULL) {
+ r = log_oom();
+ goto fail;
+ }
+ c++;
+ }
+ if (r < 0) {
+ bus_log_parse_error(r);
+ goto fail;
+ }
+
+ *out = unit_times;
+ return c;
+
+fail:
+ if (unit_times)
+ free_unit_times(unit_times, (unsigned) c);
+ return r;
+}
+
static int acquire_host_info(sd_bus *bus, struct host_info **hi) {
int r;
struct host_info *host;
@@ -450,10 +501,7 @@ static int pretty_boot_time(sd_bus *bus, char **_buf) {
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)
- strpcpyf(&ptr, size, "= %s", format_timespan(ts, sizeof(ts), t->firmware_time + t->finish_time, USEC_PER_MSEC));
- else
- strpcpyf(&ptr, size, "= %s", format_timespan(ts, sizeof(ts), t->finish_time - t->userspace_time, USEC_PER_MSEC));
+ strpcpyf(&ptr, size, "= %s", format_timespan(ts, sizeof(ts), t->firmware_time + t->finish_time, USEC_PER_MSEC));
ptr = strdup(buf);
if (!ptr)
@@ -534,8 +582,7 @@ static int analyze_plot(sd_bus *bus) {
if (u->activating < boot->userspace_time ||
u->activating > boot->finish_time) {
- free(u->name);
- u->name = NULL;
+ u->name = mfree(u->name);
continue;
}
@@ -712,9 +759,9 @@ static int list_dependencies_print(const char *name, unsigned int level, unsigne
if (times) {
if (times->time)
- printf("%s%s @%s +%s%s", ANSI_HIGHLIGHT_RED_ON, name,
+ printf("%s%s @%s +%s%s", ANSI_HIGHLIGHT_RED, name,
format_timespan(ts, sizeof(ts), times->activating - boot->userspace_time, USEC_PER_MSEC),
- format_timespan(ts2, sizeof(ts2), times->time, USEC_PER_MSEC), ANSI_HIGHLIGHT_OFF);
+ format_timespan(ts2, sizeof(ts2), times->time, USEC_PER_MSEC), ANSI_NORMAL);
else if (times->activated > boot->userspace_time)
printf("%s @%s", name, format_timespan(ts, sizeof(ts), times->activated - boot->userspace_time, USEC_PER_MSEC));
else
@@ -797,11 +844,8 @@ static int list_dependencies_one(sd_bus *bus, const char *name, unsigned int lev
STRV_FOREACH(c, deps) {
times = hashmap_get(unit_times_hashmap, *c);
- if (times && times->activated
- && times->activated <= boot->finish_time
- && (service_longest - times->activated) <= arg_fuzz) {
+ if (times && times->activated && times->activated <= boot->finish_time && (service_longest - times->activated) <= arg_fuzz)
to_print++;
- }
}
if (!to_print)
@@ -883,8 +927,8 @@ static int list_dependencies(sd_bus *bus, const char *name) {
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);
+ printf("%s%s +%s%s\n", ANSI_HIGHLIGHT_RED, id,
+ format_timespan(ts, sizeof(ts), times->time, USEC_PER_MSEC), ANSI_NORMAL);
else if (times->activated > boot->userspace_time)
printf("%s @%s\n", id, format_timespan(ts, sizeof(ts), times->activated - boot->userspace_time, USEC_PER_MSEC));
else
@@ -968,7 +1012,7 @@ static int analyze_time(sd_bus *bus) {
return 0;
}
-static int graph_one_property(sd_bus *bus, const UnitInfo *u, const char* prop, const char *color, char* patterns[]) {
+static int graph_one_property(sd_bus *bus, const UnitInfo *u, const char* prop, const char *color, char* patterns[], char* from_patterns[], char* to_patterns[]) {
_cleanup_strv_free_ char **units = NULL;
char **unit;
int r;
@@ -980,9 +1024,9 @@ static int graph_one_property(sd_bus *bus, const UnitInfo *u, const char* prop,
match_patterns = strv_fnmatch(patterns, u->id, 0);
- if (!strv_isempty(arg_dot_from_patterns) &&
+ if (!strv_isempty(from_patterns) &&
!match_patterns &&
- !strv_fnmatch(arg_dot_from_patterns, u->id, 0))
+ !strv_fnmatch(from_patterns, u->id, 0))
return 0;
r = bus_get_unit_property_strv(bus, u->unit_path, prop, &units);
@@ -994,9 +1038,9 @@ static int graph_one_property(sd_bus *bus, const UnitInfo *u, const char* prop,
match_patterns2 = strv_fnmatch(patterns, *unit, 0);
- if (!strv_isempty(arg_dot_to_patterns) &&
+ if (!strv_isempty(to_patterns) &&
!match_patterns2 &&
- !strv_fnmatch(arg_dot_to_patterns, *unit, 0))
+ !strv_fnmatch(to_patterns, *unit, 0))
continue;
if (!strv_isempty(patterns) && !match_patterns && !match_patterns2)
@@ -1008,35 +1052,35 @@ static int graph_one_property(sd_bus *bus, const UnitInfo *u, const char* prop,
return 0;
}
-static int graph_one(sd_bus *bus, const UnitInfo *u, char *patterns[]) {
+static int graph_one(sd_bus *bus, const UnitInfo *u, char *patterns[], char *from_patterns[], char *to_patterns[]) {
int r;
assert(bus);
assert(u);
if (arg_dot == DEP_ORDER ||arg_dot == DEP_ALL) {
- r = graph_one_property(bus, u, "After", "green", patterns);
+ r = graph_one_property(bus, u, "After", "green", patterns, from_patterns, to_patterns);
if (r < 0)
return r;
}
if (arg_dot == DEP_REQUIRE ||arg_dot == DEP_ALL) {
- r = graph_one_property(bus, u, "Requires", "black", patterns);
+ r = graph_one_property(bus, u, "Requires", "black", patterns, from_patterns, to_patterns);
if (r < 0)
return r;
- r = graph_one_property(bus, u, "RequiresOverridable", "black", patterns);
+ r = graph_one_property(bus, u, "RequiresOverridable", "black", patterns, from_patterns, to_patterns);
if (r < 0)
return r;
- r = graph_one_property(bus, u, "RequisiteOverridable", "darkblue", patterns);
+ r = graph_one_property(bus, u, "RequisiteOverridable", "darkblue", patterns, from_patterns, to_patterns);
if (r < 0)
return r;
- r = graph_one_property(bus, u, "Wants", "grey66", patterns);
+ r = graph_one_property(bus, u, "Wants", "grey66", patterns, from_patterns, to_patterns);
if (r < 0)
return r;
- r = graph_one_property(bus, u, "Conflicts", "red", patterns);
+ r = graph_one_property(bus, u, "Conflicts", "red", patterns, from_patterns, to_patterns);
if (r < 0)
return r;
- r = graph_one_property(bus, u, "ConflictedBy", "red", patterns);
+ r = graph_one_property(bus, u, "ConflictedBy", "red", patterns, from_patterns, to_patterns);
if (r < 0)
return r;
}
@@ -1044,12 +1088,69 @@ static int graph_one(sd_bus *bus, const UnitInfo *u, char *patterns[]) {
return 0;
}
+static int expand_patterns(sd_bus *bus, char **patterns, char ***ret) {
+ _cleanup_strv_free_ char **expanded_patterns = NULL;
+ char **pattern;
+ int r;
+
+ STRV_FOREACH(pattern, patterns) {
+ _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
+ _cleanup_free_ char *unit = NULL, *unit_id = NULL;
+
+ if (strv_extend(&expanded_patterns, *pattern) < 0)
+ return log_oom();
+
+ if (string_is_glob(*pattern))
+ continue;
+
+ unit = unit_dbus_path_from_name(*pattern);
+ if (!unit)
+ return log_oom();
+
+ r = sd_bus_get_property_string(
+ bus,
+ "org.freedesktop.systemd1",
+ unit,
+ "org.freedesktop.systemd1.Unit",
+ "Id",
+ &error,
+ &unit_id);
+ if (r < 0)
+ return log_error_errno(r, "Failed to get ID: %s", bus_error_message(&error, r));
+
+ if (!streq(*pattern, unit_id)) {
+ if (strv_extend(&expanded_patterns, unit_id) < 0)
+ return log_oom();
+ }
+ }
+
+ *ret = expanded_patterns;
+ expanded_patterns = NULL; /* do not free */
+
+ return 0;
+}
+
static int dot(sd_bus *bus, char* patterns[]) {
_cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
+ _cleanup_strv_free_ char **expanded_patterns = NULL;
+ _cleanup_strv_free_ char **expanded_from_patterns = NULL;
+ _cleanup_strv_free_ char **expanded_to_patterns = NULL;
int r;
UnitInfo u;
+ r = expand_patterns(bus, patterns, &expanded_patterns);
+ if (r < 0)
+ return r;
+
+ r = expand_patterns(bus, arg_dot_from_patterns, &expanded_from_patterns);
+ if (r < 0)
+ return r;
+
+ r = expand_patterns(bus, arg_dot_to_patterns, &expanded_to_patterns);
+ if (r < 0)
+ return r;
+
r = sd_bus_call_method(
bus,
"org.freedesktop.systemd1",
@@ -1072,7 +1173,7 @@ static int dot(sd_bus *bus, char* patterns[]) {
while ((r = bus_parse_unit_info(reply, &u)) > 0) {
- r = graph_one(bus, &u, patterns);
+ r = graph_one(bus, &u, expanded_patterns, expanded_from_patterns, expanded_to_patterns);
if (r < 0)
return r;
}
@@ -1116,10 +1217,8 @@ static int dump(sd_bus *bus, char **args) {
&error,
&reply,
"");
- if (r < 0) {
- log_error("Failed issue method call: %s", bus_error_message(&error, -r));
- return r;
- }
+ if (r < 0)
+ return log_error_errno(r, "Failed issue method call: %s", bus_error_message(&error, r));
r = sd_bus_message_read(reply, "s", &text);
if (r < 0)
@@ -1150,11 +1249,36 @@ static int set_log_level(sd_bus *bus, char **args) {
&error,
"s",
args[0]);
- if (r < 0) {
- log_error("Failed to issue method call: %s", bus_error_message(&error, -r));
- return -EIO;
+ if (r < 0)
+ return log_error_errno(r, "Failed to issue method call: %s", bus_error_message(&error, r));
+
+ return 0;
+}
+
+static int set_log_target(sd_bus *bus, char **args) {
+ _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
+ int r;
+
+ assert(bus);
+ assert(args);
+
+ if (strv_length(args) != 1) {
+ log_error("This command expects one argument only.");
+ return -E2BIG;
}
+ r = sd_bus_set_property(
+ bus,
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager",
+ "LogTarget",
+ &error,
+ "s",
+ args[0]);
+ if (r < 0)
+ return log_error_errno(r, "Failed to issue method call: %s", bus_error_message(&error, r));
+
return 0;
}
@@ -1184,7 +1308,8 @@ static void help(void) {
" critical-chain Print a tree of the time critical chain of units\n"
" plot Output SVG graphic showing service initialization\n"
" dot Output dependency graph in dot(1) format\n"
- " set-log-level LEVEL Set logging threshold for systemd\n"
+ " set-log-level LEVEL Set logging threshold for manager\n"
+ " set-log-target TARGET Set logging target for manager\n"
" dump Output state serialization of service manager\n"
" verify FILE... Check unit files for correctness\n"
, program_invocation_short_name);
@@ -1238,9 +1363,7 @@ static int parse_argv(int argc, char *argv[]) {
return 0;
case ARG_VERSION:
- puts(PACKAGE_STRING);
- puts(SYSTEMD_FEATURES);
- return 0;
+ return version();
case ARG_USER:
arg_user = true;
@@ -1333,7 +1456,7 @@ int main(int argc, char *argv[]) {
else {
_cleanup_bus_flush_close_unref_ sd_bus *bus = NULL;
- r = bus_open_transport_systemd(arg_transport, arg_host, arg_user, &bus);
+ r = bus_connect_transport_systemd(arg_transport, arg_host, arg_user, &bus);
if (r < 0) {
log_error_errno(r, "Failed to create bus connection: %m");
goto finish;
@@ -1353,6 +1476,8 @@ int main(int argc, char *argv[]) {
r = dump(bus, argv+optind+1);
else if (streq(argv[optind], "set-log-level"))
r = set_log_level(bus, argv+optind+1);
+ else if (streq(argv[optind], "set-log-target"))
+ r = set_log_target(bus, argv+optind+1);
else
log_error("Unknown operation '%s'.", argv[optind]);
}
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2025-04-11 02:51:34 +0000