[benchmark] Add cover publish_state and call benchmarks (#15179)

tests/benchmarks/components/cover/__init__.py

@@ -0,0 +1,5 @@
+from tests.testing_helpers import ComponentManifestOverride
+
+
+def override_manifest(manifest: ComponentManifestOverride) -> None:
+    manifest.enable_codegen()

tests/benchmarks/components/cover/bench_cover_publish.cpp

@@ -0,0 +1,107 @@
+#include <benchmark/benchmark.h>
+
+#include "esphome/components/cover/cover.h"
+
+namespace esphome::benchmarks {
+
+// Inner iteration count to amortize CodSpeed instrumentation overhead.
+static constexpr int kInnerIterations = 2000;
+
+// Minimal Cover for benchmarking — control() is a no-op.
+class BenchCover : public cover::Cover {
+ public:
+  cover::CoverTraits get_traits() override { return this->traits_; }
+  void configure(const char *name) { this->configure_entity_(name, 0x12345678, 0); }
+
+  cover::CoverTraits traits_;
+
+ protected:
+  void control(const cover::CoverCall & /*call*/) override {}
+};
+
+// --- Cover::publish_state() with position updates ---
+// Measures the publish path for a garage door reporting position
+// during open/close — the hot path during movement.
+
+static void CoverPublish_Position(benchmark::State &state) {
+  BenchCover cover;
+  cover.configure("test_cover");
+  cover.traits_.set_supports_position(true);
+  cover.traits_.set_supports_tilt(false);
+
+  for (auto _ : state) {
+    for (int i = 0; i < kInnerIterations; i++) {
+      cover.position = static_cast<float>(i % 101) / 100.0f;
+      cover.current_operation = (i % 2 == 0) ? cover::COVER_OPERATION_OPENING : cover::COVER_OPERATION_CLOSING;
+      cover.publish_state(false);
+    }
+    benchmark::DoNotOptimize(cover.position);
+  }
+  state.SetItemsProcessed(state.iterations() * kInnerIterations);
+}
+BENCHMARK(CoverPublish_Position);
+
+// --- Cover::publish_state() with callback ---
+// Measures callback dispatch overhead.
+
+static void CoverPublish_WithCallback(benchmark::State &state) {
+  BenchCover cover;
+  cover.configure("test_cover");
+  cover.traits_.set_supports_position(true);
+
+  uint64_t callback_count = 0;
+  cover.add_on_state_callback([&callback_count]() { callback_count++; });
+
+  for (auto _ : state) {
+    for (int i = 0; i < kInnerIterations; i++) {
+      cover.position = static_cast<float>(i % 101) / 100.0f;
+      cover.publish_state(false);
+    }
+    benchmark::DoNotOptimize(callback_count);
+  }
+  state.SetItemsProcessed(state.iterations() * kInnerIterations);
+}
+BENCHMARK(CoverPublish_WithCallback);
+
+// --- CoverCall::perform() open/close cycle ---
+// Measures the full call path: validation + control delegation.
+
+static void CoverCall_OpenClose(benchmark::State &state) {
+  BenchCover cover;
+  cover.configure("test_cover");
+  cover.traits_.set_supports_position(true);
+
+  for (auto _ : state) {
+    for (int i = 0; i < kInnerIterations; i++) {
+      if (i % 2 == 0) {
+        cover.make_call().set_command_open().perform();
+      } else {
+        cover.make_call().set_command_close().perform();
+      }
+    }
+    benchmark::DoNotOptimize(cover.position);
+  }
+  state.SetItemsProcessed(state.iterations() * kInnerIterations);
+}
+BENCHMARK(CoverCall_OpenClose);
+
+// --- CoverCall::perform() set position ---
+// Measures the position-setting call path.
+
+static void CoverCall_SetPosition(benchmark::State &state) {
+  BenchCover cover;
+  cover.configure("test_cover");
+  cover.traits_.set_supports_position(true);
+
+  for (auto _ : state) {
+    for (int i = 0; i < kInnerIterations; i++) {
+      float pos = static_cast<float>(i % 101) / 100.0f;
+      cover.make_call().set_position(pos).perform();
+    }
+    benchmark::DoNotOptimize(cover.position);
+  }
+  state.SetItemsProcessed(state.iterations() * kInnerIterations);
+}
+BENCHMARK(CoverCall_SetPosition);
+
+}  // namespace esphome::benchmarks

tests/benchmarks/components/cover/benchmark.yaml

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+cover: