/*
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* Copyright (C) 2019 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef SRC_TRACE_PROCESSOR_FUCHSIA_TRACE_TOKENIZER_H_
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#define SRC_TRACE_PROCESSOR_FUCHSIA_TRACE_TOKENIZER_H_
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#include "src/trace_processor/chunked_trace_reader.h"
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#include "src/trace_processor/fuchsia_trace_utils.h"
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#include "src/trace_processor/trace_blob_view.h"
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#include "src/trace_processor/trace_storage.h"
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namespace perfetto {
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namespace trace_processor {
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class TraceProcessorContext;
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// The Fuchsia trace format is documented at
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// https://fuchsia.googlesource.com/fuchsia/+/HEAD/docs/development/tracing/trace-format/README.md
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class FuchsiaTraceTokenizer : public ChunkedTraceReader {
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public:
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explicit FuchsiaTraceTokenizer(TraceProcessorContext*);
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~FuchsiaTraceTokenizer() override;
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// ChunkedTraceReader implementation
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bool Parse(std::unique_ptr<uint8_t[]>, size_t) override;
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private:
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struct ProviderInfo {
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std::string name;
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std::unordered_map<uint64_t, StringId> string_table;
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std::unordered_map<uint64_t, fuchsia_trace_utils::ThreadInfo> thread_table;
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uint64_t ticks_per_second = 1000000000;
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};
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struct RunningThread {
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fuchsia_trace_utils::ThreadInfo info;
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int64_t start_ts;
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};
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void ParseRecord(TraceBlobView);
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void RegisterProvider(uint32_t, std::string);
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TraceProcessorContext* const context_;
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std::vector<uint8_t> leftover_bytes_;
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// Map from tid to pid. Used because in some places we do not get pid info.
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// Fuchsia tids are never reused.
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std::unordered_map<uint64_t, uint64_t> pid_table_;
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std::unordered_map<uint32_t, std::unique_ptr<ProviderInfo>> providers_;
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ProviderInfo* current_provider_;
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std::unordered_map<uint32_t, RunningThread> cpu_threads_;
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};
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} // namespace trace_processor
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} // namespace perfetto
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#endif // SRC_TRACE_PROCESSOR_FUCHSIA_TRACE_TOKENIZER_H_
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