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1 // Copyright 2016 The Chromium Authors. All rights reserved. | 1 // Copyright 2016 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 // Defines StructTraits specializations for translating between mojo types and | 5 // Defines StructTraits specializations for translating between mojo types and |
6 // base::StackSamplingProfiler types, with data validity checks. | 6 // base::StackSamplingProfiler types, with data validity checks. |
7 | 7 |
8 #ifndef COMPONENTS_METRICS_CALL_STACK_PROFILE_STRUCT_TRAITS_H_ | 8 #ifndef COMPONENTS_METRICS_CALL_STACK_PROFILE_STRUCT_TRAITS_H_ |
9 #define COMPONENTS_METRICS_CALL_STACK_PROFILE_STRUCT_TRAITS_H_ | 9 #define COMPONENTS_METRICS_CALL_STACK_PROFILE_STRUCT_TRAITS_H_ |
10 | 10 |
11 #include <vector> | 11 #include <vector> |
12 | 12 |
13 #include "base/files/file_path.h" | 13 #include "base/files/file_path.h" |
14 #include "base/profiler/stack_sampling_profiler.h" | 14 #include "base/profiler/stack_sampling_profiler.h" |
15 #include "components/metrics/public/interfaces/call_stack_profile_collector.mojo
m.h" | 15 #include "components/metrics/public/interfaces/call_stack_profile_collector.mojo
m.h" |
16 | 16 |
17 namespace mojo { | 17 namespace mojo { |
18 | 18 |
19 template <> | 19 template <> |
20 struct StructTraits<metrics::mojom::CallStackModule, | 20 struct StructTraits<metrics::mojom::CallStackModuleDataView, |
21 base::StackSamplingProfiler::Module> { | 21 base::StackSamplingProfiler::Module> { |
22 static uint64_t base_address( | 22 static uint64_t base_address( |
23 const base::StackSamplingProfiler::Module& module) { | 23 const base::StackSamplingProfiler::Module& module) { |
24 return module.base_address; | 24 return module.base_address; |
25 } | 25 } |
26 static const std::string& id( | 26 static const std::string& id( |
27 const base::StackSamplingProfiler::Module& module) { | 27 const base::StackSamplingProfiler::Module& module) { |
28 return module.id; | 28 return module.id; |
29 } | 29 } |
30 static const base::FilePath& filename( | 30 static const base::FilePath& filename( |
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43 !data.ReadFilename(&filename)) | 43 !data.ReadFilename(&filename)) |
44 return false; | 44 return false; |
45 | 45 |
46 *out = | 46 *out = |
47 base::StackSamplingProfiler::Module(data.base_address(), id, filename); | 47 base::StackSamplingProfiler::Module(data.base_address(), id, filename); |
48 return true; | 48 return true; |
49 } | 49 } |
50 }; | 50 }; |
51 | 51 |
52 template <> | 52 template <> |
53 struct StructTraits<metrics::mojom::CallStackFrame, | 53 struct StructTraits<metrics::mojom::CallStackFrameDataView, |
54 base::StackSamplingProfiler::Frame> { | 54 base::StackSamplingProfiler::Frame> { |
55 static uint64_t instruction_pointer( | 55 static uint64_t instruction_pointer( |
56 const base::StackSamplingProfiler::Frame& frame) { | 56 const base::StackSamplingProfiler::Frame& frame) { |
57 return frame.instruction_pointer; | 57 return frame.instruction_pointer; |
58 } | 58 } |
59 static uint64_t module_index( | 59 static uint64_t module_index( |
60 const base::StackSamplingProfiler::Frame& frame) { | 60 const base::StackSamplingProfiler::Frame& frame) { |
61 return frame.module_index == | 61 return frame.module_index == |
62 base::StackSamplingProfiler::Frame::kUnknownModuleIndex ? | 62 base::StackSamplingProfiler::Frame::kUnknownModuleIndex ? |
63 static_cast<uint64_t>(-1) : | 63 static_cast<uint64_t>(-1) : |
64 frame.module_index; | 64 frame.module_index; |
65 } | 65 } |
66 | 66 |
67 static bool Read(metrics::mojom::CallStackFrameDataView data, | 67 static bool Read(metrics::mojom::CallStackFrameDataView data, |
68 base::StackSamplingProfiler::Frame* out) { | 68 base::StackSamplingProfiler::Frame* out) { |
69 size_t module_index = data.module_index() == static_cast<uint64_t>(-1) ? | 69 size_t module_index = data.module_index() == static_cast<uint64_t>(-1) ? |
70 base::StackSamplingProfiler::Frame::kUnknownModuleIndex : | 70 base::StackSamplingProfiler::Frame::kUnknownModuleIndex : |
71 data.module_index(); | 71 data.module_index(); |
72 | 72 |
73 // We can't know whether the module_index field is valid at this point since | 73 // We can't know whether the module_index field is valid at this point since |
74 // we don't have access to the number of modules here. This will be checked | 74 // we don't have access to the number of modules here. This will be checked |
75 // in CallStackProfile's Read function below. | 75 // in CallStackProfile's Read function below. |
76 *out = base::StackSamplingProfiler::Frame(data.instruction_pointer(), | 76 *out = base::StackSamplingProfiler::Frame(data.instruction_pointer(), |
77 module_index); | 77 module_index); |
78 return true; | 78 return true; |
79 } | 79 } |
80 }; | 80 }; |
81 | 81 |
82 template <> | 82 template <> |
83 struct StructTraits<metrics::mojom::CallStackProfile, | 83 struct StructTraits<metrics::mojom::CallStackProfileDataView, |
84 base::StackSamplingProfiler::CallStackProfile> { | 84 base::StackSamplingProfiler::CallStackProfile> { |
85 static const std::vector<base::StackSamplingProfiler::Module>& modules( | 85 static const std::vector<base::StackSamplingProfiler::Module>& modules( |
86 const base::StackSamplingProfiler::CallStackProfile& profile) { | 86 const base::StackSamplingProfiler::CallStackProfile& profile) { |
87 return profile.modules; | 87 return profile.modules; |
88 } | 88 } |
89 static const std::vector<base::StackSamplingProfiler::Sample>& samples( | 89 static const std::vector<base::StackSamplingProfiler::Sample>& samples( |
90 const base::StackSamplingProfiler::CallStackProfile& profile) { | 90 const base::StackSamplingProfiler::CallStackProfile& profile) { |
91 return profile.samples; | 91 return profile.samples; |
92 } | 92 } |
93 static const base::TimeDelta profile_duration( | 93 static const base::TimeDelta profile_duration( |
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129 out->samples = std::move(samples); | 129 out->samples = std::move(samples); |
130 out->profile_duration = profile_duration; | 130 out->profile_duration = profile_duration; |
131 out->sampling_period = sampling_period; | 131 out->sampling_period = sampling_period; |
132 return true; | 132 return true; |
133 } | 133 } |
134 }; | 134 }; |
135 | 135 |
136 } // mojo | 136 } // mojo |
137 | 137 |
138 #endif // COMPONENTS_METRICS_CALL_STACK_PROFILE_STRUCT_TRAITS_H_ | 138 #endif // COMPONENTS_METRICS_CALL_STACK_PROFILE_STRUCT_TRAITS_H_ |
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