Additional missing tracing spans on state_res::resolve components.

Signed-off-by: Jason Volk <jason@zemos.net>

src/core/matrix/state_res/resolve/auth_difference.rs

@@ -24,6 +24,7 @@ use crate::utils::stream::{IterStream, ReadyExt};
 /// ## Returns
 ///
 /// Outputs the event IDs that are not present in all the auth chains.
+#[tracing::instrument(level = "debug", skip_all)]
 pub(super) fn auth_difference<'a, AuthSets, Id>(auth_sets: AuthSets) -> impl Stream<Item = Id>
 where
 	AuthSets: Stream<Item = AuthSet<Id>>,

src/core/matrix/state_res/resolve/conflicted_subgraph.rs

@@ -25,6 +25,7 @@ struct Local {
 	stack: Vec<Vec<OwnedEventId>>,
 }
 
+#[tracing::instrument(name = "conflicted_subgraph", level = "debug", skip_all)]
 pub(super) fn conflicted_subgraph_dfs<ConflictedEventIds, Fetch, Fut, Pdu>(
 	conflicted_event_ids: ConflictedEventIds,
 	fetch: &Fetch,
@@ -65,6 +66,15 @@ where
 		.flatten_stream()
 }
 
+#[tracing::instrument(
+	name = "descent",
+	level = "trace",
+	skip_all,
+	fields(
+		event_id = %conflicted_event_id,
+		event_ids = conflicted_event_ids.len(),
+	)
+)]
 async fn subgraph_descent<Fetch, Fut, Pdu>(
 	state: Arc<Global>,
 	conflicted_event_id: OwnedEventId,

src/core/matrix/state_res/resolve/iterative_auth_check.rs

@@ -79,11 +79,11 @@ where
 
 #[tracing::instrument(
 	name = "check",
-	level = "debug",
+	level = "trace",
 	skip_all,
 	fields(
 		%event_id,
-		%state_key,
+		?state_key,
 	)
 )]
 async fn auth_check<Fetch, Fut, Pdu>(

src/core/matrix/state_res/resolve/power_sort.rs

@@ -98,6 +98,7 @@ where
 /// Add the event with the given event ID and all the events in its auth chain
 /// that are in the full conflicted set to the graph.
 #[tracing::instrument(
+	name = "auth_chain",
 	level = "trace",
 	skip_all,
 	fields(
@@ -182,6 +183,7 @@ where
 /// Returns the power level of the sender of the event or an `Err(_)` if one of
 /// the auth events if malformed.
 #[tracing::instrument(
+	name = "sender_power",
 	level = "trace",
 	skip_all,
 	fields(

src/core/matrix/state_res/resolve/split_conflicted.rs

@@ -25,6 +25,7 @@ use crate::validated;
 /// ## Returns
 ///
 /// Returns an `(unconflicted_state, conflicted_states)` tuple.
+#[tracing::instrument(name = "split", level = "debug", skip_all)]
 pub(super) async fn split_conflicted_state<'a, Maps, Id>(
 	state_maps: Maps,
 ) -> (StateMap<Id>, StateMap<Vec<Id>>)