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-rw-r--r--src/core/dbus-unit.c1
-rw-r--r--src/core/unit.c32
-rw-r--r--src/core/unit.h4
3 files changed, 29 insertions, 8 deletions
diff --git a/src/core/dbus-unit.c b/src/core/dbus-unit.c
index dca9f77528..d7929e5566 100644
--- a/src/core/dbus-unit.c
+++ b/src/core/dbus-unit.c
@@ -674,6 +674,7 @@ const sd_bus_vtable bus_unit_vtable[] = {
SD_BUS_PROPERTY("DropInPaths", "as", NULL, offsetof(Unit, dropin_paths), SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_PROPERTY("UnitFileState", "s", property_get_unit_file_state, 0, 0),
SD_BUS_PROPERTY("UnitFilePreset", "s", property_get_unit_file_preset, 0, 0),
+ BUS_PROPERTY_DUAL_TIMESTAMP("StateChangeTimestamp", offsetof(Unit, state_change_timestamp), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
BUS_PROPERTY_DUAL_TIMESTAMP("InactiveExitTimestamp", offsetof(Unit, inactive_exit_timestamp), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
BUS_PROPERTY_DUAL_TIMESTAMP("ActiveEnterTimestamp", offsetof(Unit, active_enter_timestamp), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
BUS_PROPERTY_DUAL_TIMESTAMP("ActiveExitTimestamp", offsetof(Unit, active_exit_timestamp), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
diff --git a/src/core/unit.c b/src/core/unit.c
index b6fbf4e785..05466a84f9 100644
--- a/src/core/unit.c
+++ b/src/core/unit.c
@@ -869,6 +869,7 @@ void unit_dump(Unit *u, FILE *f, const char *prefix) {
Iterator i;
const char *prefix2;
char
+ timestamp0[FORMAT_TIMESTAMP_MAX],
timestamp1[FORMAT_TIMESTAMP_MAX],
timestamp2[FORMAT_TIMESTAMP_MAX],
timestamp3[FORMAT_TIMESTAMP_MAX],
@@ -890,6 +891,7 @@ void unit_dump(Unit *u, FILE *f, const char *prefix) {
"%s\tInstance: %s\n"
"%s\tUnit Load State: %s\n"
"%s\tUnit Active State: %s\n"
+ "%s\nState Change Timestamp: %s\n"
"%s\tInactive Exit Timestamp: %s\n"
"%s\tActive Enter Timestamp: %s\n"
"%s\tActive Exit Timestamp: %s\n"
@@ -907,6 +909,7 @@ void unit_dump(Unit *u, FILE *f, const char *prefix) {
prefix, strna(u->instance),
prefix, unit_load_state_to_string(u->load_state),
prefix, unit_active_state_to_string(unit_active_state(u)),
+ prefix, strna(format_timestamp(timestamp0, sizeof(timestamp0), u->state_change_timestamp.realtime)),
prefix, strna(format_timestamp(timestamp1, sizeof(timestamp1), u->inactive_exit_timestamp.realtime)),
prefix, strna(format_timestamp(timestamp2, sizeof(timestamp2), u->active_enter_timestamp.realtime)),
prefix, strna(format_timestamp(timestamp3, sizeof(timestamp3), u->active_exit_timestamp.realtime)),
@@ -1821,19 +1824,17 @@ void unit_notify(Unit *u, UnitActiveState os, UnitActiveState ns, bool reload_su
/* Update timestamps for state changes */
if (m->n_reloading <= 0) {
- dual_timestamp ts;
-
- dual_timestamp_get(&ts);
+ dual_timestamp_get(&u->state_change_timestamp);
if (UNIT_IS_INACTIVE_OR_FAILED(os) && !UNIT_IS_INACTIVE_OR_FAILED(ns))
- u->inactive_exit_timestamp = ts;
+ u->inactive_exit_timestamp = u->state_change_timestamp;
else if (!UNIT_IS_INACTIVE_OR_FAILED(os) && UNIT_IS_INACTIVE_OR_FAILED(ns))
- u->inactive_enter_timestamp = ts;
+ u->inactive_enter_timestamp = u->state_change_timestamp;
if (!UNIT_IS_ACTIVE_OR_RELOADING(os) && UNIT_IS_ACTIVE_OR_RELOADING(ns))
- u->active_enter_timestamp = ts;
+ u->active_enter_timestamp = u->state_change_timestamp;
else if (UNIT_IS_ACTIVE_OR_RELOADING(os) && !UNIT_IS_ACTIVE_OR_RELOADING(ns))
- u->active_exit_timestamp = ts;
+ u->active_exit_timestamp = u->state_change_timestamp;
}
/* Keep track of failed units */
@@ -2553,10 +2554,13 @@ int unit_serialize(Unit *u, FILE *f, FDSet *fds, bool serialize_jobs) {
}
}
+ dual_timestamp_serialize(f, "state-change-timestamp", &u->state_change_timestamp);
+
dual_timestamp_serialize(f, "inactive-exit-timestamp", &u->inactive_exit_timestamp);
dual_timestamp_serialize(f, "active-enter-timestamp", &u->active_enter_timestamp);
dual_timestamp_serialize(f, "active-exit-timestamp", &u->active_exit_timestamp);
dual_timestamp_serialize(f, "inactive-enter-timestamp", &u->inactive_enter_timestamp);
+
dual_timestamp_serialize(f, "condition-timestamp", &u->condition_timestamp);
dual_timestamp_serialize(f, "assert-timestamp", &u->assert_timestamp);
@@ -2695,7 +2699,7 @@ int unit_deserialize(Unit *u, FILE *f, FDSet *fds) {
/* End marker */
if (isempty(l))
- return 0;
+ break;
k = strcspn(l, "=");
@@ -2735,6 +2739,9 @@ int unit_deserialize(Unit *u, FILE *f, FDSet *fds) {
} else /* legacy for pre-44 */
log_unit_warning(u, "Update from too old systemd versions are unsupported, cannot deserialize job: %s", v);
continue;
+ } else if (streq(l, "state-change-timestamp")) {
+ dual_timestamp_deserialize(v, &u->state_change_timestamp);
+ continue;
} else if (streq(l, "inactive-exit-timestamp")) {
dual_timestamp_deserialize(v, &u->inactive_exit_timestamp);
continue;
@@ -2841,6 +2848,15 @@ int unit_deserialize(Unit *u, FILE *f, FDSet *fds) {
log_unit_warning(u, "Failed to deserialize unit parameter '%s', ignoring.", l);
}
}
+
+ /* Versions before 228 did not carry a state change timestamp. In this case, take the current time. This is
+ * useful, so that timeouts based on this timestamp don't trigger too early, and is in-line with the logic from
+ * before 228 where the base for timeouts was not peristet across reboots. */
+
+ if (!dual_timestamp_is_set(&u->state_change_timestamp))
+ dual_timestamp_get(&u->state_change_timestamp);
+
+ return 0;
}
int unit_add_node_link(Unit *u, const char *what, bool wants, UnitDependency dep) {
diff --git a/src/core/unit.h b/src/core/unit.h
index 3eb3484fb7..f86a0f687b 100644
--- a/src/core/unit.h
+++ b/src/core/unit.h
@@ -121,6 +121,10 @@ struct Unit {
dual_timestamp condition_timestamp;
dual_timestamp assert_timestamp;
+ /* Updated whenever the low-level state changes */
+ dual_timestamp state_change_timestamp;
+
+ /* Updated whenever the (high-level) active state enters or leaves the active or inactive states */
dual_timestamp inactive_exit_timestamp;
dual_timestamp active_enter_timestamp;
dual_timestamp active_exit_timestamp;