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Diffstat (limited to 'src/analyze/analyze.c')
-rw-r--r--src/analyze/analyze.c240
1 files changed, 144 insertions, 96 deletions
diff --git a/src/analyze/analyze.c b/src/analyze/analyze.c
index 9583458f72..db1e7f3f37 100644
--- a/src/analyze/analyze.c
+++ b/src/analyze/analyze.c
@@ -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;
- }
+static void subtract_timestamp(usec_t *a, usec_t b) {
+ assert(a);
- r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssssssouso)");
- if (r < 0) {
- bus_log_parse_error(r);
- goto fail;
+ if (*a > 0) {
+ assert(*a >= b);
+ *a -= b;
}
-
- 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;
-
- 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_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)
@@ -1331,7 +1379,7 @@ int main(int argc, char *argv[]) {
arg_user ? MANAGER_USER : MANAGER_SYSTEM,
arg_man);
else {
- _cleanup_bus_close_unref_ sd_bus *bus = NULL;
+ _cleanup_bus_flush_close_unref_ sd_bus *bus = NULL;
r = bus_open_transport_systemd(arg_transport, arg_host, arg_user, &bus);
if (r < 0) {
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-11-04 13:15:15 +0000