Index: base/test/perf_time_logger.h |
diff --git a/base/test/perf_time_logger.h b/base/test/perf_time_logger.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..f23c5306c1020c02bc4db3c478655c785074e8f6 |
--- /dev/null |
+++ b/base/test/perf_time_logger.h |
@@ -0,0 +1,37 @@ |
+// Copyright 2013 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. |
+ |
+#ifndef BASE_TEST_PERF_TIME_LOGGER_H_ |
+#define BASE_TEST_PERF_TIME_LOGGER_H_ |
+ |
+#include <string> |
+ |
+#include "base/basictypes.h" |
+#include "base/test/perftimer.h" |
+ |
+namespace base { |
+ |
+// Automates calling LogPerfResult for the common case where you want |
+// to measure the time that something took. Call Done() when the test |
+// is complete if you do extra work after the test or there are stack |
+// objects with potentially expensive constructors. Otherwise, this |
+// class with automatically log on destruction. |
+class PerfTimeLogger { |
+ public: |
+ explicit PerfTimeLogger(const char* test_name); |
+ ~PerfTimeLogger(); |
+ |
+ void Done(); |
+ |
+ private: |
+ bool logged_; |
+ std::string test_name_; |
+ PerfTimer timer_; |
+ |
+ DISALLOW_COPY_AND_ASSIGN(PerfTimeLogger); |
+}; |
+ |
+} // namespace base |
+ |
+#endif // BASE_TEST_PERF_TIME_LOGGER_H_ |