Test virtual interface [NOT FOR REVIEW]

components/tracing/test/trace_event_perftest.cc

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/bind.h"
 #include "base/memory/ptr_util.h"
 #include "base/memory/ref_counted_memory.h"
 #include "base/run_loop.h"
 #include "base/threading/thread.h"
 #include "base/trace_event/trace_event.h"
 #include "base/trace_event/trace_event_argument.h"
 #include "perf_test_helpers.h"
 #include "testing/gtest/include/gtest/gtest.h"
+#include "tracing_interface_simulator.h"
 
 namespace tracing {
 namespace {
 
 using base::Bind;
 using base::Thread;
 using base::Unretained;
 using base::WaitableEvent;
 using base::trace_event::TraceConfig;
 using base::trace_event::TraceLog;
@@ skipping 134 matching lines @@
       complete_events[i]->Wait();
     }
   }
 
   EndTraceAndFlush();
   for (int i = 0; i < kNumThreads; i++) {
     threads[i]->Stop();
   }
 }
 
+TEST_F(TraceEventPerfTest, Submit_50000_TRACE_EVENT_TEST_via_virtual_calls) {
+  BeginTrace();
+  InitTracingInterface();
+  IterableStopwatch stopwatch("events");
+  for (int lap = 0; lap < kNumRuns; lap++) {
+    for (int i = 0; i < 50000; i++) {
+      TRACE_EVENT_VIRTUAL_TEST("test_category", "test call");
+    }
+    stopwatch.NextLap();
+  }
+  EndTraceAndFlush();
+}
+
+TEST_F(TraceEventPerfTest, Submit_50000_TRACE_EVENT_TEST_via_direct_calls) {
+  BeginTrace();
+  IterableStopwatch stopwatch("events");
+  for (int lap = 0; lap < kNumRuns; lap++) {
+    for (int i = 0; i < 50000; i++) {
+      TRACE_EVENT_DIRECT_TEST("test_category", "test call");
+    }
+    stopwatch.NextLap();
+  }
+  EndTraceAndFlush();
+}
+
 }  // namespace
 }  // namespace tracing