diff --git a/engine/src/flutter/flow/stopwatch.cc b/engine/src/flutter/flow/stopwatch.cc
index d61a591bd1c..1319959dd80 100644
--- a/engine/src/flutter/flow/stopwatch.cc
+++ b/engine/src/flutter/flow/stopwatch.cc
@@ -57,7 +57,7 @@ size_t Stopwatch::GetCurrentSample() const {
 }
 
 double StopwatchVisualizer::UnitFrameInterval(double raster_time_ms) const {
-  return raster_time_ms / stopwatch_.GetFrameBudget().count();
+  return raster_time_ms / frame_budget_.count();
 }
 
 double StopwatchVisualizer::UnitHeight(double raster_time_ms,
diff --git a/engine/src/flutter/flow/stopwatch.h b/engine/src/flutter/flow/stopwatch.h
index 5755b8d460b..cae8a6fa2c8 100644
--- a/engine/src/flutter/flow/stopwatch.h
+++ b/engine/src/flutter/flow/stopwatch.h
@@ -93,7 +93,12 @@ class FixedRefreshRateStopwatch : public Stopwatch {
 class StopwatchVisualizer {
  public:
   explicit StopwatchVisualizer(const Stopwatch& stopwatch)
-      : stopwatch_(stopwatch) {}
+      : stopwatch_(stopwatch) {
+    // Looking up the frame budget from the stopwatch delegate class may call
+    // into JNI or make platform calls which are slow. This value is safe to
+    // cache since the StopwatchVisualizer is recreated on each frame.
+    frame_budget_ = stopwatch_.GetFrameBudget();
+  }
 
   virtual ~StopwatchVisualizer() = default;
 
@@ -112,7 +117,10 @@ class StopwatchVisualizer {
   /// @brief      Converts a raster time to a unit height.
   double UnitHeight(double time_ms, double max_height) const;
 
+  fml::Milliseconds GetFrameBudget() const { return frame_budget_; }
+
   const Stopwatch& stopwatch_;
+  fml::Milliseconds frame_budget_;
 };
 
 }  // namespace flutter
diff --git a/engine/src/flutter/flow/stopwatch_dl.cc b/engine/src/flutter/flow/stopwatch_dl.cc
index 8c20b035e53..9f7fa3f37ae 100644
--- a/engine/src/flutter/flow/stopwatch_dl.cc
+++ b/engine/src/flutter/flow/stopwatch_dl.cc
@@ -30,7 +30,7 @@ void DlStopwatchVisualizer::Visualize(DlCanvas* canvas,
   auto const bottom = rect.bottom();
 
   // Scale the graph to show time frames up to those that are 3x the frame time.
-  auto const one_frame_ms = stopwatch_.GetFrameBudget().count();
+  auto const one_frame_ms = GetFrameBudget().count();
   auto const max_interval = one_frame_ms * 3.0;
   auto const max_unit_interval = UnitFrameInterval(max_interval);
   auto const sample_unit_width = (1.0 / kMaxSamples);
diff --git a/engine/src/flutter/flow/stopwatch_sk.cc b/engine/src/flutter/flow/stopwatch_sk.cc
index 16a3411fdf9..91d5bf94b2a 100644
--- a/engine/src/flutter/flow/stopwatch_sk.cc
+++ b/engine/src/flutter/flow/stopwatch_sk.cc
@@ -47,7 +47,7 @@ void SkStopwatchVisualizer::InitVisualizeSurface(SkISize size) const {
 
   // Scale the graph to show frame times up to those that are 3 times the frame
   // time.
-  const double one_frame_ms = stopwatch_.GetFrameBudget().count();
+  const double one_frame_ms = GetFrameBudget().count();
   const double max_interval = one_frame_ms * 3.0;
   const double max_unit_interval = UnitFrameInterval(max_interval);
 
@@ -101,7 +101,7 @@ void SkStopwatchVisualizer::Visualize(DlCanvas* canvas,
 
   // Scale the graph to show frame times up to those that are 3 times the frame
   // time.
-  const double one_frame_ms = stopwatch_.GetFrameBudget().count();
+  const double one_frame_ms = GetFrameBudget().count();
   const double max_interval = one_frame_ms * 3.0;
   const double max_unit_interval = UnitFrameInterval(max_interval);
 
diff --git a/engine/src/flutter/flow/stopwatch_unittests.cc b/engine/src/flutter/flow/stopwatch_unittests.cc
index f865b3831c3..c8fae3e0479 100644
--- a/engine/src/flutter/flow/stopwatch_unittests.cc
+++ b/engine/src/flutter/flow/stopwatch_unittests.cc
@@ -3,6 +3,7 @@
 // found in the LICENSE file.
 
 #include "flutter/flow/stopwatch.h"
+#include "fml/time/time_delta.h"
 #include "gmock/gmock.h"  // IWYU pragma: keep
 #include "gtest/gtest.h"
 
@@ -11,9 +12,14 @@ using testing::Return;
 namespace flutter {
 namespace testing {
 
-class MockRefreshRateUpdater : public Stopwatch::RefreshRateUpdater {
+class FakeRefreshRateUpdater : public Stopwatch::RefreshRateUpdater {
  public:
-  MOCK_METHOD(fml::Milliseconds, GetFrameBudget, (), (const, override));
+  fml::Milliseconds GetFrameBudget() const override { return budget_; }
+
+  void SetFrameBudget(fml::Milliseconds budget) { budget_ = budget; }
+
+ private:
+  fml::Milliseconds budget_;
 };
 
 TEST(Instrumentation, GetDefaultFrameBudgetTest) {
@@ -32,11 +38,10 @@ TEST(Instrumentation, GetOneShotFrameBudgetTest) {
 }
 
 TEST(Instrumentation, GetFrameBudgetFromUpdaterTest) {
-  MockRefreshRateUpdater updater;
+  FakeRefreshRateUpdater updater;
   fml::Milliseconds frame_budget_90fps = fml::RefreshRateToFrameBudget(90);
-  EXPECT_CALL(updater, GetFrameBudget())
-      .Times(1)
-      .WillOnce(Return(frame_budget_90fps));
+  updater.SetFrameBudget(frame_budget_90fps);
+
   Stopwatch stopwatch(updater);
   fml::Milliseconds actual_frame_budget = stopwatch.GetFrameBudget();
   EXPECT_EQ(frame_budget_90fps, actual_frame_budget);