Add files that were droped by our export process

Those files are not linked anywhere and where removed by the
export process either by accident or for better support from IntelliJ.
According to ij.bazel.build a non linked target will not be analyzed
so it should be safe.

PiperOrigin-RevId: 169229654

1 files changed, 57 insertions, 0 deletions

diff --git a/src/test/java/com/google/devtools/build/lib/profiler/AutoProfilerBenchmark.java b/src/test/java/com/google/devtools/build/lib/profiler/AutoProfilerBenchmark.java
new file mode 100644
index 0000000000..671c96e711
--- /dev/null
+++ b/src/test/java/com/google/devtools/build/lib/profiler/AutoProfilerBenchmark.java
@@ -0,0 +1,57 @@
+// Copyright 2015 The Bazel Authors. All rights reserved.
+//
+// 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
+//
+//    http://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.
+package com.google.devtools.build.lib.profiler;
+
+import com.google.caliper.BeforeExperiment;
+import com.google.caliper.Benchmark;
+import com.google.devtools.build.lib.clock.BlazeClock;
+import com.google.devtools.build.lib.profiler.Profiler.ProfiledTaskKinds;
+import com.google.devtools.build.lib.vfs.inmemoryfs.InMemoryFileSystem;
+
+/**
+ * Microbenchmarks for the overhead of {@link AutoProfiler} over using {@link Profiler} manually.
+ */
+public class AutoProfilerBenchmark {
+
+  private final Object obj = new Object();
+  private final ProfilerTask profilerTaskType = ProfilerTask.TEST;
+
+  @BeforeExperiment
+  void startProfiler() throws Exception {
+    Profiler.instance().start(ProfiledTaskKinds.ALL,
+        new InMemoryFileSystem().getPath("/out.dat").getOutputStream(), "benchmark", false,
+        BlazeClock.instance(), BlazeClock.instance().nanoTime());
+  }
+
+  @BeforeExperiment
+  void stopProfiler() throws Exception {
+    Profiler.instance().stop();
+  }
+
+  @Benchmark
+  void profiledWithAutoProfiler(int reps) {
+    for (int i = 0; i < reps; i++) {
+      try (AutoProfiler p = AutoProfiler.profiled(obj, profilerTaskType)) {
+      }
+    }
+  }
+
+  @Benchmark
+  void profiledManually(int reps) {
+    for (int i = 0; i < reps; i++) {
+      long startTime = Profiler.nanoTimeMaybe();
+      Profiler.instance().logSimpleTask(startTime, profilerTaskType, obj);
+    }
+  }
+}