diff --git a/swh/scheduler/cli/simulator.py b/swh/scheduler/cli/simulator.py
--- a/swh/scheduler/cli/simulator.py
+++ b/swh/scheduler/cli/simulator.py
@@ -45,8 +45,14 @@
     help="Scheduling policy to simulate (only for origin_scheduler)",
 )
 @click.option("--runtime", "-t", type=float, help="Simulated runtime")
+@click.option(
+    "--plots/--no-plots",
+    "-H",
+    "showplots",
+    help="Show results as plots (with plotille)",
+)
 @click.pass_context
-def run_command(ctx, scheduler, policy, runtime):
+def run_command(ctx, scheduler, policy, runtime, showplots):
     """Run the scheduler simulator.
 
     By default, the simulation runs forever. You can cap the simulated runtime
@@ -60,9 +66,11 @@
     from swh.scheduler.simulator import run
 
     policy = policy if scheduler == "origin_scheduler" else None
-    run(
+    report = run(
         scheduler=ctx.obj["scheduler"],
         scheduler_type=scheduler,
         policy=policy,
         runtime=runtime,
     )
+
+    print(report.format(with_plots=showplots))
diff --git a/swh/scheduler/simulator/__init__.py b/swh/scheduler/simulator/__init__.py
--- a/swh/scheduler/simulator/__init__.py
+++ b/swh/scheduler/simulator/__init__.py
@@ -163,4 +163,4 @@
         print("total simulated time:", end_time - start_time)
         metrics = env.scheduler.update_metrics(timestamp=end_time)
         env.report.record_metrics(end_time, metrics)
-        print(env.report.format())
+        return env.report
diff --git a/swh/scheduler/simulator/common.py b/swh/scheduler/simulator/common.py
--- a/swh/scheduler/simulator/common.py
+++ b/swh/scheduler/simulator/common.py
@@ -90,31 +90,33 @@
 
         return figure.show(legend=True)
 
-    def format(self):
+    def format(self, with_plots=True):
         full_visits = self.visit_runtimes.get(("full", True), [])
-        histogram = self.runtime_histogram("full", True)
-        plot = self.metrics_plot()
         long_tasks = sum(runtime > self.DURATION_THRESHOLD for runtime in full_visits)
 
-        return (
-            textwrap.dedent(
-                f"""\
+        output = textwrap.dedent(
+            f"""\
                 Total visits: {self.total_visits}
                 Uneventful visits: {self.uneventful_visits}
                 Eventful visits: {len(full_visits)}
                 Very long running tasks: {long_tasks}
-                Visit time histogram for eventful visits:
                 """
-            )
-            + histogram
-            + "\n"
-            + textwrap.dedent(
-                """\
-                Metrics over time:
-                """
-            )
-            + plot
         )
+        if with_plots:
+            histogram = self.runtime_histogram("full", True)
+            plot = self.metrics_plot()
+            output += (
+                "Visit time histogram for eventful visits:"
+                + histogram
+                + "\n"
+                + textwrap.dedent(
+                    """\
+                    Metrics over time:
+                    """
+                )
+                + plot
+            )
+        return output
 
 
 @dataclass