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| 1 // Copyright 2013 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #ifndef BASE_TEST_PERF_TIME_LOGGER_H_ |
| 6 #define BASE_TEST_PERF_TIME_LOGGER_H_ |
| 7 |
| 8 #include <string> |
| 9 |
| 10 #include "base/basictypes.h" |
| 11 #include "base/test/perftimer.h" |
| 12 |
| 13 namespace base { |
| 14 |
| 15 // Automates calling LogPerfResult for the common case where you want |
| 16 // to measure the time that something took. Call Done() when the test |
| 17 // is complete if you do extra work after the test or there are stack |
| 18 // objects with potentially expensive constructors. Otherwise, this |
| 19 // class with automatically log on destruction. |
| 20 class PerfTimeLogger { |
| 21 public: |
| 22 explicit PerfTimeLogger(const char* test_name); |
| 23 ~PerfTimeLogger(); |
| 24 |
| 25 void Done(); |
| 26 |
| 27 private: |
| 28 bool logged_; |
| 29 std::string test_name_; |
| 30 PerfTimer timer_; |
| 31 |
| 32 DISALLOW_COPY_AND_ASSIGN(PerfTimeLogger); |
| 33 }; |
| 34 |
| 35 } // namespace base |
| 36 |
| 37 #endif // BASE_TEST_PERF_TIME_LOGGER_H_ |
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