diff --git a/services/surfaceflinger/FlagManager.cpp b/services/surfaceflinger/FlagManager.cpp
index 11a5e0d..1f8a3f5 100644
--- a/services/surfaceflinger/FlagManager.cpp
+++ b/services/surfaceflinger/FlagManager.cpp
@@ -104,6 +104,7 @@
     DUMP_FLAG(vrr_config);
     DUMP_FLAG(hotplug2);
     DUMP_FLAG(hdcp_level_hal);
+    DUMP_FLAG(multithreaded_present);
 
 #undef DUMP_FLAG
 }
@@ -169,6 +170,7 @@
 FLAG_MANAGER_READ_ONLY_FLAG(vrr_config, "debug.sf.enable_vrr_config")
 FLAG_MANAGER_READ_ONLY_FLAG(hotplug2, "")
 FLAG_MANAGER_READ_ONLY_FLAG(hdcp_level_hal, "")
+FLAG_MANAGER_READ_ONLY_FLAG(multithreaded_present, "debug.sf.multithreaded_present")
 
 /// Trunk stable server flags ///
 FLAG_MANAGER_SERVER_FLAG(late_boot_misc2, "")
diff --git a/services/surfaceflinger/FlagManager.h b/services/surfaceflinger/FlagManager.h
index 1a68993..10784a7 100644
--- a/services/surfaceflinger/FlagManager.h
+++ b/services/surfaceflinger/FlagManager.h
@@ -53,6 +53,7 @@
     bool vrr_config() const;
     bool hotplug2() const;
     bool hdcp_level_hal() const;
+    bool multithreaded_present() const;
 
     /// Trunk stable server flags ///
     bool late_boot_misc2() const;