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