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Issue 23690003: Revert "Add Chromium-style TimeDelta, Time and TimeTicks classes, and a new ElapsedTimer class." (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 7 years, 3 months ago
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1 // Copyright 2012 the V8 project authors. All rights reserved. 1 // Copyright 2012 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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53 53
54 void* Histogram::CreateHistogram() const { 54 void* Histogram::CreateHistogram() const {
55 return isolate()->stats_table()-> 55 return isolate()->stats_table()->
56 CreateHistogram(name_, min_, max_, num_buckets_); 56 CreateHistogram(name_, min_, max_, num_buckets_);
57 } 57 }
58 58
59 59
60 // Start the timer. 60 // Start the timer.
61 void HistogramTimer::Start() { 61 void HistogramTimer::Start() {
62 if (Enabled()) { 62 if (Enabled()) {
63 timer_.Start(); 63 stop_time_ = 0;
64 start_time_ = OS::Ticks();
64 } 65 }
65 if (FLAG_log_internal_timer_events) { 66 if (FLAG_log_internal_timer_events) {
66 LOG(isolate(), TimerEvent(Logger::START, name())); 67 LOG(isolate(), TimerEvent(Logger::START, name()));
67 } 68 }
68 } 69 }
69 70
70 71
71 // Stop the timer and record the results. 72 // Stop the timer and record the results.
72 void HistogramTimer::Stop() { 73 void HistogramTimer::Stop() {
73 if (Enabled()) { 74 if (Enabled()) {
75 stop_time_ = OS::Ticks();
74 // Compute the delta between start and stop, in milliseconds. 76 // Compute the delta between start and stop, in milliseconds.
75 AddSample(static_cast<int>(timer_.Elapsed().InMilliseconds())); 77 int milliseconds = static_cast<int>(stop_time_ - start_time_) / 1000;
76 timer_.Stop(); 78 AddSample(milliseconds);
77 } 79 }
78 if (FLAG_log_internal_timer_events) { 80 if (FLAG_log_internal_timer_events) {
79 LOG(isolate(), TimerEvent(Logger::END, name())); 81 LOG(isolate(), TimerEvent(Logger::END, name()));
80 } 82 }
81 } 83 }
82 84
83 } } // namespace v8::internal 85 } } // namespace v8::internal
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