diff --git a/tezt/long_tests/logging.ml b/tezt/long_tests/logging.ml
index 10915dd673f078b4145728dcd2edce0954948a93..c0ef5a8dc3620b1e0708dd093a43549465e4c6b2 100644
--- a/tezt/long_tests/logging.ml
+++ b/tezt/long_tests/logging.ml
@@ -27,7 +27,7 @@
    -------
    Component: Client
    Invocation: dune exec tezt/long_tests/main.exe -- --file logging.ml
-   Subject: check regressions in the duration it takes for the client to load.
+   Subject: check regressions in the duration it takes to emit log events.
 *)
 
 open Internal_event
diff --git a/tezt/long_tests/main.ml b/tezt/long_tests/main.ml
index bd92ad54af7232f8d4ffb844ae3222173e2cb6f9..2dc482ed4e863cb9b707701b32e49e44bf93e881 100644
--- a/tezt/long_tests/main.ml
+++ b/tezt/long_tests/main.ml
@@ -50,7 +50,7 @@ let () =
       panels =
         Prt_client.grafana_panels @ Block_validation.grafana_panels
         @ Tenderbake.grafana_panels @ Logging.grafana_panels
-        @ Pipelining.grafana_panels;
+        @ Pipelining.grafana_panels @ Tezt_load_time.grafana_panels;
     }
 
 (* Executor for tests that don't take that long to run.
@@ -71,5 +71,6 @@ let () =
   Tenderbake.register ~executors:default_executors () ;
   Logging.register ~executors:default_executors () ;
   Pipelining.register ~executors:default_executors () ;
+  Tezt_load_time.register ~executors:default_executors () ;
   (* [Test.run] must be the last function to be called. *)
   Test.run ()
diff --git a/tezt/long_tests/tezt_load_time.ml b/tezt/long_tests/tezt_load_time.ml
new file mode 100644
index 0000000000000000000000000000000000000000..2842661560870bb88868681168c46ff591c4b4a0
--- /dev/null
+++ b/tezt/long_tests/tezt_load_time.ml
@@ -0,0 +1,64 @@
+(*****************************************************************************)
+(*                                                                           *)
+(* Open Source License                                                       *)
+(* Copyright (c) 2023 Nomadic Labs <contact@nomadic-labs.com>                *)
+(*                                                                           *)
+(* Permission is hereby granted, free of charge, to any person obtaining a   *)
+(* copy of this software and associated documentation files (the "Software"),*)
+(* to deal in the Software without restriction, including without limitation *)
+(* the rights to use, copy, modify, merge, publish, distribute, sublicense,  *)
+(* and/or sell copies of the Software, and to permit persons to whom the     *)
+(* Software is furnished to do so, subject to the following conditions:      *)
+(*                                                                           *)
+(* The above copyright notice and this permission notice shall be included   *)
+(* in all copies or substantial portions of the Software.                    *)
+(*                                                                           *)
+(* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR*)
+(* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,  *)
+(* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL   *)
+(* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER*)
+(* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING   *)
+(* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER       *)
+(* DEALINGS IN THE SOFTWARE.                                                 *)
+(*                                                                           *)
+(*****************************************************************************)
+
+(* Testing
+   -------
+   Component: Tezt
+   Invocation: dune exec tezt/long_tests/main.exe -- --file tezt_load_time.ml
+   Subject: check regressions in the duration it takes for the main tezt test suite to load.
+*)
+
+let tezt_load_time = "tezt load time"
+
+let grafana_panels : Grafana.panel list =
+  [
+    Row "Test: Tezt";
+    Grafana.simple_graph
+      ~measurement:tezt_load_time
+      ~test:tezt_load_time
+      ~field:"duration"
+      ();
+  ]
+
+let test_tezt_tests_suite_load_time ~executors () =
+  Long_test.register
+    ~__FILE__
+    ~title:tezt_load_time
+    ~tags:["client"; "load"]
+    ~timeout:(Minutes 2)
+    ~executors
+  @@ fun () ->
+  let* () = Process.run "dune" ["build"; "tezt/tests/main.exe"] in
+  Long_test.time_lwt ~repeat:5 tezt_load_time @@ fun () ->
+  let* () =
+    (* [--list] will ensure that we register all tests, and so get a
+       reasonable estimation of start up time. [--only 1] is passed to
+       make the output terser when running the test with debug
+       output. *)
+    Process.run "_build/default/tezt/tests/main.exe" ["--list"; "--only"; "1"]
+  in
+  unit
+
+let register ~executors () = test_tezt_tests_suite_load_time ~executors ()