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1 // Copyright (c) 2015, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2015, the Dart project authors. Please see the AUTHORS file |
2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
4 | 4 |
5 #include "vm/timeline_analysis.h" | 5 #include "vm/timeline_analysis.h" |
6 | 6 |
7 #include "vm/flags.h" | 7 #include "vm/flags.h" |
8 | 8 |
9 namespace dart { | 9 namespace dart { |
10 | 10 |
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33 ASSERT(*b != NULL); | 33 ASSERT(*b != NULL); |
34 return (*a)->LowerTimeBound() - (*b)->LowerTimeBound(); | 34 return (*a)->LowerTimeBound() - (*b)->LowerTimeBound(); |
35 } | 35 } |
36 | 36 |
37 | 37 |
38 void TimelineAnalysisThread::Finalize() { | 38 void TimelineAnalysisThread::Finalize() { |
39 blocks_.Sort(CompareBlocksLowerTimeBound); | 39 blocks_.Sort(CompareBlocksLowerTimeBound); |
40 } | 40 } |
41 | 41 |
42 | 42 |
| 43 TimelineAnalysisThreadEventIterator::TimelineAnalysisThreadEventIterator( |
| 44 TimelineAnalysisThread* thread) { |
| 45 Reset(thread); |
| 46 } |
| 47 |
| 48 |
| 49 TimelineAnalysisThreadEventIterator::~TimelineAnalysisThreadEventIterator() { |
| 50 Reset(NULL); |
| 51 } |
| 52 |
| 53 |
| 54 void TimelineAnalysisThreadEventIterator::Reset( |
| 55 TimelineAnalysisThread* thread) { |
| 56 current_ = NULL; |
| 57 thread_ = thread; |
| 58 block_cursor_ = 0; |
| 59 event_cursor_ = 0; |
| 60 if (thread_ == NULL) { |
| 61 return; |
| 62 } |
| 63 if (thread_->NumBlocks() == 0) { |
| 64 return; |
| 65 } |
| 66 TimelineEventBlock* block = thread_->At(block_cursor_); |
| 67 ASSERT(!block->IsEmpty()); |
| 68 current_ = block->At(event_cursor_++); |
| 69 } |
| 70 |
| 71 |
| 72 bool TimelineAnalysisThreadEventIterator::HasNext() const { |
| 73 return current_ != NULL; |
| 74 } |
| 75 |
| 76 |
| 77 TimelineEvent* TimelineAnalysisThreadEventIterator::Next() { |
| 78 ASSERT(current_ != NULL); |
| 79 TimelineEvent* r = current_; |
| 80 current_ = NULL; |
| 81 |
| 82 TimelineEventBlock* block = thread_->At(block_cursor_); |
| 83 if (event_cursor_ == block->length()) { |
| 84 // Reached the end of this block, move to the next. |
| 85 block_cursor_++; |
| 86 if (block_cursor_ == thread_->NumBlocks()) { |
| 87 // Exhausted our supply of blocks. |
| 88 return r; |
| 89 } |
| 90 // Grab next block. |
| 91 block = thread_->At(block_cursor_); |
| 92 event_cursor_ = 0; |
| 93 ASSERT(!block->IsEmpty()); |
| 94 } |
| 95 current_ = block->At(event_cursor_++); |
| 96 return r; |
| 97 } |
| 98 |
| 99 |
43 TimelineAnalysis::TimelineAnalysis(Zone* zone, | 100 TimelineAnalysis::TimelineAnalysis(Zone* zone, |
44 Isolate* isolate, | 101 Isolate* isolate, |
45 TimelineEventRecorder* recorder) | 102 TimelineEventRecorder* recorder) |
46 : zone_(zone), | 103 : zone_(zone), |
47 isolate_(isolate), | 104 isolate_(isolate), |
48 recorder_(recorder), | 105 recorder_(recorder), |
49 has_error_(false), | 106 has_error_(false), |
50 error_msg_(NULL) { | 107 error_msg_(NULL) { |
51 ASSERT(zone_ != NULL); | 108 ASSERT(zone_ != NULL); |
52 ASSERT(isolate_ != NULL); | 109 ASSERT(isolate_ != NULL); |
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84 } | 141 } |
85 // New thread. | 142 // New thread. |
86 thread = new TimelineAnalysisThread(tid); | 143 thread = new TimelineAnalysisThread(tid); |
87 threads_.Add(thread); | 144 threads_.Add(thread); |
88 return thread; | 145 return thread; |
89 } | 146 } |
90 | 147 |
91 | 148 |
92 void TimelineAnalysis::DiscoverThreads() { | 149 void TimelineAnalysis::DiscoverThreads() { |
93 TimelineEventBlockIterator it(recorder_); | 150 TimelineEventBlockIterator it(recorder_); |
94 while (it.Next()) { | 151 while (it.HasNext()) { |
95 TimelineEventBlock* block = it.current(); | 152 TimelineEventBlock* block = it.Next(); |
96 ASSERT(block != NULL); | 153 ASSERT(block != NULL); |
97 if (block->IsEmpty()) { | 154 if (block->IsEmpty()) { |
98 // Skip empty blocks. | 155 // Skip empty blocks. |
99 continue; | 156 continue; |
100 } | 157 } |
101 if (!block->CheckBlock()) { | 158 if (!block->CheckBlock()) { |
102 // Skip bad blocks. | 159 // Skip bad blocks. |
103 // TODO(johnmccutchan): Make this into an error? | 160 // TODO(johnmccutchan): Make this into an error? |
104 continue; | 161 continue; |
105 } | 162 } |
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129 ASSERT(error_msg_ != NULL); | 186 ASSERT(error_msg_ != NULL); |
130 } | 187 } |
131 | 188 |
132 | 189 |
133 TimelinePauses::TimelinePauses(Zone* zone, | 190 TimelinePauses::TimelinePauses(Zone* zone, |
134 Isolate* isolate, | 191 Isolate* isolate, |
135 TimelineEventRecorder* recorder) | 192 TimelineEventRecorder* recorder) |
136 : TimelineAnalysis(zone, isolate, recorder) { | 193 : TimelineAnalysis(zone, isolate, recorder) { |
137 } | 194 } |
138 | 195 |
| 196 |
| 197 void TimelinePauses::CalculatePauseTimes() { |
| 198 } |
| 199 |
139 } // namespace dart | 200 } // namespace dart |
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