1 files changed, 48 insertions, 0 deletions
diff --git a/pw_perf_test/examples/example_perf_test.cc b/pw_perf_test/examples/example_perf_test.cc
new file mode 100644
index 000000000..b1318b062
--- /dev/null
+++ b/pw_perf_test/examples/example_perf_test.cc
@@ -0,0 +1,48 @@
+// Copyright 2022 The Pigweed Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License"); you may not
+// use this file except in compliance with the License. You may obtain a copy of
+// the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+// License for the specific language governing permissions and limitations under
+// the License.
+
+#include "pw_perf_test/perf_test.h"
+
+constexpr int kGlobalVariablePerfTest = 4;
+
+namespace pw::perf_test {
+namespace {
+
+void SimpleTestingFunction(pw::perf_test::State& state) {
+  while (state.KeepRunning()) {
+    // Intentionally empty.
+  }
+}
+
+void FunctionWithDelay(pw::perf_test::State& state, int a, int b) {
+  while (state.KeepRunning()) {
+    for (volatile int i = 0; i < a * b * 100000; i = i + 1) {
+    }
+  }
+}
+
+int TestSimple(int a, int b) { return a + b; }
+
+PW_PERF_TEST(IntialTest, SimpleTestingFunction);
+
+PW_PERF_TEST(FunctionWithParameters, FunctionWithDelay, 5, 5);
+
+PW_PERF_TEST(LambdaFunction, [](pw::perf_test::State& state_) {
+  FunctionWithDelay(state_, kGlobalVariablePerfTest, 4);
+});
+
+PW_PERF_TEST_SIMPLE(SimpleTest, TestSimple, 2, 4);
+PW_PERF_TEST_SIMPLE(SimpleLambda, [](int a, int b) { return a + b; }, 1, 3);
+}  // namespace
+}  // namespace pw::perf_test