Core/Metric: Add new metric in World::UpdateSessions()

Add new metric about how long adding sessions took

(cherry picked from commit 5cd93df9eec1d1b310916fefecc9282e02e9cf2d)

1 files changed, 9 insertions, 4 deletions

diff --git a/src/server/game/World/World.cpp b/src/server/game/World/World.cpp
index fd2b5c2a557..a2931e2f70a 100644
--- a/src/server/game/World/World.cpp
+++ b/src/server/game/World/World.cpp
@@ -3337,10 +3337,15 @@ void World::UpdateSessions(uint32 diff)
     while (_linkSocketQueue.next(linkInfo))
         ProcessLinkInstanceSocket(std::move(linkInfo));
 
-    ///- Add new sessions
-    WorldSession* sess = nullptr;
-    while (addSessQueue.next(sess))
-        AddSession_ (sess);
+    {
+        TC_METRIC_DETAILED_NO_THRESHOLD_TIMER("world_update_time",
+            TC_METRIC_TAG("type", "Add sessions"),
+            TC_METRIC_TAG("parent_type", "Update sessions"));
+        ///- Add new sessions
+        WorldSession* sess = nullptr;
+        while (addSessQueue.next(sess))
+            AddSession_(sess);
+    }
 
     ///- Then send an update signal to remaining ones
     for (SessionMap::iterator itr = m_sessions.begin(), next; itr != m_sessions.end(); itr = next)