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1 // Copyright 2007-2008 the V8 project authors. All rights reserved. | 1 // Copyright 2007-2008 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | 27 |
28 #include "v8.h" | 28 #include "v8.h" |
29 | 29 |
30 #include "counters.h" | 30 #include "counters.h" |
31 #include "platform.h" | 31 #include "platform.h" |
32 | 32 |
33 namespace v8 { | 33 namespace v8 { |
34 namespace internal { | 34 namespace internal { |
35 | 35 |
36 CounterLookupCallback StatsTable::lookup_function_ = NULL; | 36 StatsTableData::StatsTableData() |
37 CreateHistogramCallback StatsTable::create_histogram_function_ = NULL; | 37 :lookup_function_(NULL), |
38 AddHistogramSampleCallback StatsTable::add_histogram_sample_function_ = NULL; | 38 create_histogram_function_(NULL), |
| 39 add_histogram_sample_function_(NULL) { |
| 40 } |
39 | 41 |
40 // Start the timer. | 42 // Start the timer. |
41 void StatsCounterTimer::Start() { | 43 void StatsCounterTimer::Start() { |
42 if (!counter_.Enabled()) | 44 if (!counter_.Enabled()) |
43 return; | 45 return; |
44 stop_time_ = 0; | 46 stop_time_ = 0; |
45 start_time_ = OS::Ticks(); | 47 start_time_ = OS::Ticks(); |
46 } | 48 } |
47 | 49 |
48 // Stop the timer and record the results. | 50 // Stop the timer and record the results. |
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69 if (histogram_ != NULL) { | 71 if (histogram_ != NULL) { |
70 stop_time_ = OS::Ticks(); | 72 stop_time_ = OS::Ticks(); |
71 | 73 |
72 // Compute the delta between start and stop, in milliseconds. | 74 // Compute the delta between start and stop, in milliseconds. |
73 int milliseconds = static_cast<int>(stop_time_ - start_time_) / 1000; | 75 int milliseconds = static_cast<int>(stop_time_ - start_time_) / 1000; |
74 StatsTable::AddHistogramSample(histogram_, milliseconds); | 76 StatsTable::AddHistogramSample(histogram_, milliseconds); |
75 } | 77 } |
76 } | 78 } |
77 | 79 |
78 } } // namespace v8::internal | 80 } } // namespace v8::internal |
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