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