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      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_FUCHSIA_PROVIDER_VIEW_H_
     18 #define SRC_TRACE_PROCESSOR_FUCHSIA_PROVIDER_VIEW_H_
     19 
     20 #include "src/trace_processor/fuchsia_trace_utils.h"
     21 #include "src/trace_processor/trace_storage.h"
     22 
     23 #include <vector>
     24 
     25 namespace perfetto {
     26 namespace trace_processor {
     27 
     28 // Data from a trace provider that is necessary for interpreting a binary
     29 // record. Namely, the entries of the string table and the thread table that are
     30 // referenced by the record. This enables understanding the binary record after
     31 // arbitrary reordering.
     32 class FuchsiaProviderView {
     33  public:
     34   struct StringTableEntry {
     35     uint32_t index;
     36     StringId string_id;
     37   };
     38 
     39   struct ThreadTableEntry {
     40     uint32_t index;
     41     fuchsia_trace_utils::ThreadInfo info;
     42   };
     43 
     44   void InsertString(uint32_t, StringId);
     45   StringId GetString(uint32_t);
     46 
     47   void InsertThread(uint32_t, fuchsia_trace_utils::ThreadInfo);
     48   fuchsia_trace_utils::ThreadInfo GetThread(uint32_t);
     49 
     50   void set_ticks_per_second(uint64_t ticks_per_second) {
     51     ticks_per_second_ = ticks_per_second;
     52   }
     53 
     54   uint64_t get_ticks_per_second() { return ticks_per_second_; }
     55 
     56  private:
     57   std::vector<StringTableEntry> string_entries_;
     58   std::vector<ThreadTableEntry> thread_entries_;
     59 
     60   uint64_t ticks_per_second_ = 1000000000;
     61 };
     62 
     63 }  // namespace trace_processor
     64 }  // namespace perfetto
     65 
     66 #endif  // SRC_TRACE_PROCESSOR_FUCHSIA_PROVIDER_VIEW_H_
     67