diff --git a/pyphare/pyphare/simulator/monitoring.py b/pyphare/pyphare/simulator/monitoring.py
index 3d7abbf74..a6ea53b1b 100644
--- a/pyphare/pyphare/simulator/monitoring.py
+++ b/pyphare/pyphare/simulator/monitoring.py
@@ -1,10 +1,13 @@
 #
+# Resource monitoring requires phlop
+#  python3 -m pip install phlop
 #
 #
 
 import os
 from pathlib import Path
 
+from pyphare import cpp
 from pyphare.logger import getLogger
 
 logger = getLogger(__name__)
@@ -31,34 +34,35 @@ def valdict(**kwargs):
 _globals = valdict(stats_man=None)
 
 
-def monitoring_yaml_file(cpplib):
-    path = Path(".phare") / "stats" / f"rank.{cpplib.mpi_rank()}.yaml"
+def monitoring_yaml_file():
+    path = Path(".phare") / "stats" / f"rank.{cpp.mpi_rank()}.yaml"
     path.parent.mkdir(exist_ok=True, parents=True)
     return path
 
 
-def setup_monitoring(cpplib, interval=10):
+def setup_monitoring(interval=10):
     if not have_phlop():
         return
 
     from phlop.app import stats_man as sm  # pylint: disable=import-error
 
     _globals.stats_man = sm.AttachableRuntimeStatsManager(
-        valdict(yaml=monitoring_yaml_file(cpplib), interval=interval),
-        dict(rank=cpplib.mpi_rank()),
+        valdict(yaml=monitoring_yaml_file(), interval=interval),
+        dict(rank=cpp.mpi_rank()),
     ).start()
 
 
-def monitoring_shutdown(cpplib):
+def monitoring_shutdown():
     if not have_phlop():
         return
 
     if _globals.stats_man:
+        cpp.mpi_barrier()  # force similar end time
         _globals.stats_man.kill().join()
 
 
-def timing_setup(cpplib):
-    if cpplib.mpi_rank() == 0:
+def timing_setup():
+    if cpp.mpi_rank() == 0:
         try:
             Path(".phare/timings").mkdir(parents=True, exist_ok=True)
         except FileNotFoundError:
diff --git a/pyphare/pyphare/simulator/simulator.py b/pyphare/pyphare/simulator/simulator.py
index ada192774..28c3918da 100644
--- a/pyphare/pyphare/simulator/simulator.py
+++ b/pyphare/pyphare/simulator/simulator.py
@@ -33,7 +33,7 @@ def simulator_shutdown():
 
 def make_cpp_simulator(cpp_lib, hier):
     if SCOPE_TIMING:
-        mon.timing_setup(cpp_lib)
+        mon.timing_setup()
 
     make_sim = "make_simulator"
     assert hasattr(cpp_lib, make_sim)
@@ -199,7 +199,8 @@ def run(self, plot_times=False, monitoring=None):
         if self.simulation.dry_run:
             return self
         if monitoring:
-            mon.setup_monitoring(self.cpp_lib)
+            interval = monitoring if isinstance(monitoring, int) else 100  # seconds
+            mon.setup_monitoring(interval)
         perf = []
         end_time = self.cpp_sim.endTime()
         t = self.cpp_sim.currentTime()
@@ -221,7 +222,7 @@ def run(self, plot_times=False, monitoring=None):
         if plot_times:
             plot_timestep_time(perf)
 
-        mon.monitoring_shutdown(self.cpp_lib)
+        mon.monitoring_shutdown()
         return self.reset()
 
     def _auto_dump(self):