From 9cbc65b732ad9afdfbd067fa3ce856f35a07cb81 Mon Sep 17 00:00:00 2001
From: Ivan Enderlin <ivan@mnt.io>
Date: Thu, 19 Mar 2026 10:06:04 +0100
Subject: [PATCH] chore(sdk): Add a `trace!` log in
 `ThreadEventCacheStateLockWriteGuard::handle_sync.

---
 crates/matrix-sdk/src/event_cache/caches/room/mod.rs   | 1 -
 crates/matrix-sdk/src/event_cache/caches/thread/mod.rs | 4 +++-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/crates/matrix-sdk/src/event_cache/caches/room/mod.rs b/crates/matrix-sdk/src/event_cache/caches/room/mod.rs
index e96273a01..8c8ad837b 100644
--- a/crates/matrix-sdk/src/event_cache/caches/room/mod.rs
+++ b/crates/matrix-sdk/src/event_cache/caches/room/mod.rs
@@ -556,7 +556,6 @@ impl RoomEventCacheInner {
             return Ok(());
         }
 
-        // Add all the events to the backend.
         trace!("adding new events");
 
         let (stored_prev_batch_token, timeline_event_diffs) =
diff --git a/crates/matrix-sdk/src/event_cache/caches/thread/mod.rs b/crates/matrix-sdk/src/event_cache/caches/thread/mod.rs
index 426aea03b..3356f3f35 100644
--- a/crates/matrix-sdk/src/event_cache/caches/thread/mod.rs
+++ b/crates/matrix-sdk/src/event_cache/caches/thread/mod.rs
@@ -23,7 +23,7 @@ use matrix_sdk_base::event_cache::{Event, store::EventCacheStoreLock};
 use ruma::{EventId, OwnedEventId, OwnedRoomId, OwnedUserId};
 pub(super) use state::LockedThreadEventCacheState;
 use tokio::sync::broadcast::{Receiver, Sender};
-use tracing::error;
+use tracing::{error, trace};
 
 use self::pagination::ThreadPagination;
 use super::{
@@ -121,6 +121,8 @@ impl ThreadEventCache {
             return Ok(());
         }
 
+        trace!("adding new events");
+
         let mut state = self.inner.state.write().await?;
         let timeline_event_diffs = state.handle_sync(events).await?;