xref: /aosp_15_r20/external/perfetto/src/trace_processor/importers/fuchsia/fuchsia_record.h (revision 6dbdd20afdafa5e3ca9b8809fa73465d530080dc)
1 /*
2  * Copyright (C) 2019 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #ifndef SRC_TRACE_PROCESSOR_IMPORTERS_FUCHSIA_FUCHSIA_RECORD_H_
18 #define SRC_TRACE_PROCESSOR_IMPORTERS_FUCHSIA_FUCHSIA_RECORD_H_
19 
20 #include "perfetto/trace_processor/trace_blob_view.h"
21 #include "src/trace_processor/containers/string_pool.h"
22 
23 #include <vector>
24 
25 namespace perfetto {
26 namespace trace_processor {
27 
28 struct FuchsiaThreadInfo {
29   uint64_t pid;
30   uint64_t tid;
31 };
32 
33 // Data from a trace provider that is necessary for interpreting a binary
34 // record. Namely, the record itself and the entries of the string table and the
35 // thread table that are referenced by the record. This enables understanding
36 // the binary record after arbitrary reordering.
37 class FuchsiaRecord {
38  public:
FuchsiaRecord(TraceBlobView record_view)39   explicit FuchsiaRecord(TraceBlobView record_view)
40       : record_view_(std::move(record_view)) {}
41 
42   struct StringTableEntry {
43     uint32_t index;
44     StringPool::Id string_id;
45   };
46 
47   struct ThreadTableEntry {
48     uint32_t index;
49     FuchsiaThreadInfo info;
50   };
51 
52   void InsertString(uint32_t, StringPool::Id);
53   StringPool::Id GetString(uint32_t);
54 
55   void InsertThread(uint32_t, FuchsiaThreadInfo);
56   FuchsiaThreadInfo GetThread(uint32_t);
57 
set_ticks_per_second(uint64_t ticks_per_second)58   void set_ticks_per_second(uint64_t ticks_per_second) {
59     ticks_per_second_ = ticks_per_second;
60   }
61 
get_ticks_per_second()62   uint64_t get_ticks_per_second() { return ticks_per_second_; }
63 
record_view()64   TraceBlobView* record_view() { return &record_view_; }
65 
66  private:
67   TraceBlobView record_view_;
68 
69   std::vector<StringTableEntry> string_entries_;
70   std::vector<ThreadTableEntry> thread_entries_;
71 
72   uint64_t ticks_per_second_ = 1000000000;
73 };
74 
75 }  // namespace trace_processor
76 }  // namespace perfetto
77 
78 #endif  // SRC_TRACE_PROCESSOR_IMPORTERS_FUCHSIA_FUCHSIA_RECORD_H_
79