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 "perfetto/trace_processor/trace_blob_view.h" 21 #include "src/trace_processor/importers/common/clock_tracker.h" 22 #include "src/trace_processor/storage/trace_storage.h" 23 #include "src/trace_processor/types/trace_processor_context.h" 24 25 #include "protos/perfetto/trace/ftrace/ftrace_event_bundle.pbzero.h" 26 27 namespace perfetto { 28 namespace trace_processor { 29 30 class PacketSequenceState; 31 32 class FtraceTokenizer { 33 public: FtraceTokenizer(TraceProcessorContext * context)34 explicit FtraceTokenizer(TraceProcessorContext* context) 35 : context_(context) {} 36 37 base::Status TokenizeFtraceBundle(TraceBlobView bundle, 38 PacketSequenceState*, 39 uint32_t packet_sequence_id); 40 41 private: 42 void TokenizeFtraceEvent(uint32_t cpu, 43 ClockTracker::ClockId, 44 TraceBlobView event, 45 PacketSequenceState* state); 46 void TokenizeFtraceCompactSched(uint32_t cpu, 47 ClockTracker::ClockId, 48 protozero::ConstBytes); 49 void TokenizeFtraceCompactSchedSwitch( 50 uint32_t cpu, 51 ClockTracker::ClockId, 52 const protos::pbzero::FtraceEventBundle::CompactSched::Decoder& compact, 53 const std::vector<StringId>& string_table); 54 void TokenizeFtraceCompactSchedWaking( 55 uint32_t cpu, 56 ClockTracker::ClockId, 57 const protos::pbzero::FtraceEventBundle::CompactSched::Decoder& compact, 58 const std::vector<StringId>& string_table); 59 60 void HandleFtraceClockSnapshot(int64_t ftrace_ts, 61 int64_t boot_ts, 62 uint32_t packet_sequence_id); 63 64 int64_t latest_ftrace_clock_snapshot_ts_ = 0; 65 TraceProcessorContext* context_; 66 }; 67 68 } // namespace trace_processor 69 } // namespace perfetto 70 71 #endif // SRC_TRACE_PROCESSOR_IMPORTERS_FTRACE_FTRACE_TOKENIZER_H_ 72