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Issue 1062053004: Revert of CpuProfiler: public API for deopt info in cpu profiler. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 5 years, 8 months ago
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1 // Copyright 2010 the V8 project authors. All rights reserved. 1 // Copyright 2010 the V8 project 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 V8_V8_PROFILER_H_ 5 #ifndef V8_V8_PROFILER_H_
6 #define V8_V8_PROFILER_H_ 6 #define V8_V8_PROFILER_H_
7 7
8 #include <vector>
9 #include "v8.h" 8 #include "v8.h"
10 9
11 /** 10 /**
12 * Profiler support for the V8 JavaScript engine. 11 * Profiler support for the V8 JavaScript engine.
13 */ 12 */
14 namespace v8 { 13 namespace v8 {
15 14
16 class HeapGraphNode; 15 class HeapGraphNode;
17 struct HeapStatsUpdate; 16 struct HeapStatsUpdate;
18 17
19 typedef uint32_t SnapshotObjectId; 18 typedef uint32_t SnapshotObjectId;
20 19
21
22 struct V8_EXPORT CpuProfileDeoptInfo {
23 struct Frame {
24 int script_id;
25 size_t position;
26 };
27 /** A pointer to a static string owned by v8. */
28 const char* deopt_reason;
29 std::vector<Frame> stack;
30 };
31
32
33 /** 20 /**
34 * CpuProfileNode represents a node in a call graph. 21 * CpuProfileNode represents a node in a call graph.
35 */ 22 */
36 class V8_EXPORT CpuProfileNode { 23 class V8_EXPORT CpuProfileNode {
37 public: 24 public:
38 struct LineTick { 25 struct LineTick {
39 /** The 1-based number of the source line where the function originates. */ 26 /** The 1-based number of the source line where the function originates. */
40 int line; 27 int line;
41 28
42 /** The count of samples associated with the source line. */ 29 /** The count of samples associated with the source line. */
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91 78
92 /** Returns id of the node. The id is unique within the tree */ 79 /** Returns id of the node. The id is unique within the tree */
93 unsigned GetNodeId() const; 80 unsigned GetNodeId() const;
94 81
95 /** Returns child nodes count of the node. */ 82 /** Returns child nodes count of the node. */
96 int GetChildrenCount() const; 83 int GetChildrenCount() const;
97 84
98 /** Retrieves a child node by index. */ 85 /** Retrieves a child node by index. */
99 const CpuProfileNode* GetChild(int index) const; 86 const CpuProfileNode* GetChild(int index) const;
100 87
101 /** Retrieves deopt infos for the node. */
102 const std::vector<CpuProfileDeoptInfo>& GetDeoptInfos() const;
103
104 static const int kNoLineNumberInfo = Message::kNoLineNumberInfo; 88 static const int kNoLineNumberInfo = Message::kNoLineNumberInfo;
105 static const int kNoColumnNumberInfo = Message::kNoColumnInfo; 89 static const int kNoColumnNumberInfo = Message::kNoColumnInfo;
106 }; 90 };
107 91
108 92
109 /** 93 /**
110 * CpuProfile contains a CPU profile in a form of top-down call tree 94 * CpuProfile contains a CPU profile in a form of top-down call tree
111 * (from main() down to functions that do all the work). 95 * (from main() down to functions that do all the work).
112 */ 96 */
113 class V8_EXPORT CpuProfile { 97 class V8_EXPORT CpuProfile {
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621 uint32_t index; // Index of the time interval that was changed. 605 uint32_t index; // Index of the time interval that was changed.
622 uint32_t count; // New value of count field for the interval with this index. 606 uint32_t count; // New value of count field for the interval with this index.
623 uint32_t size; // New value of size field for the interval with this index. 607 uint32_t size; // New value of size field for the interval with this index.
624 }; 608 };
625 609
626 610
627 } // namespace v8 611 } // namespace v8
628 612
629 613
630 #endif // V8_V8_PROFILER_H_ 614 #endif // V8_V8_PROFILER_H_
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