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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_IMPORTERS_FTRACE_FTRACE_TOKENIZER_H_
18 #define SRC_TRACE_PROCESSOR_IMPORTERS_FTRACE_FTRACE_TOKENIZER_H_
19 
20 #include "protos/perfetto/trace/ftrace/ftrace_event_bundle.pbzero.h"
21 #include "src/trace_processor/importers/common/trace_blob_view.h"
22 #include "src/trace_processor/storage/trace_storage.h"
23 #include "src/trace_processor/types/trace_processor_context.h"
24 
25 namespace perfetto {
26 namespace trace_processor {
27 
28 class PacketSequenceState;
29 
30 class FtraceTokenizer {
31  public:
FtraceTokenizer(TraceProcessorContext * context)32   explicit FtraceTokenizer(TraceProcessorContext* context)
33       : context_(context) {}
34 
35   void TokenizeFtraceBundle(TraceBlobView bundle, PacketSequenceState*);
36 
37  private:
38   void TokenizeFtraceEvent(uint32_t cpu,
39                            TraceBlobView event,
40                            PacketSequenceState*);
41   void TokenizeFtraceCompactSched(uint32_t cpu,
42                                   const uint8_t* data,
43                                   size_t size);
44   void TokenizeFtraceCompactSchedSwitch(
45       uint32_t cpu,
46       const protos::pbzero::FtraceEventBundle::CompactSched::Decoder& compact,
47       const std::vector<StringId>& string_table);
48   void TokenizeFtraceCompactSchedWaking(
49       uint32_t cpu,
50       const protos::pbzero::FtraceEventBundle::CompactSched::Decoder& compact,
51       const std::vector<StringId>& string_table);
52 
53   TraceProcessorContext* context_;
54 };
55 
56 }  // namespace trace_processor
57 }  // namespace perfetto
58 
59 #endif  // SRC_TRACE_PROCESSOR_IMPORTERS_FTRACE_FTRACE_TOKENIZER_H_
60