chromium/third_party/perfetto/src/trace_processor/importers/systrace/systrace_parser.h

/*
 * 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_SYSTRACE_SYSTRACE_PARSER_H_
#define SRC_TRACE_PROCESSOR_IMPORTERS_SYSTRACE_SYSTRACE_PARSER_H_

#include <ostream>

#include "src/trace_processor/types/trace_processor_context.h"

#include "perfetto/base/logging.h"
#include "perfetto/ext/base/string_utils.h"
#include "perfetto/ext/base/string_view.h"
#include "src/trace_processor/storage/trace_storage.h"

namespace perfetto {
namespace trace_processor {

namespace systrace_utils {

// Visible for unittesting.
enum class SystraceParseResult { … };

// Visible for unittesting.
struct SystraceTracePoint { … };

// We have to handle trace_marker events of a few different types:
// 1.   some random text
// 2.   B|1636|pokeUserActivity
// 3.   E|1636
// 4.   C|1636|wq:monitor|0
// 5.   S|1636|frame_capture|123
// 6.   F|1636|frame_capture|456
// 7.   C|3209|TransfersBytesPendingOnDisk-value|0|Blob
// 8.   I|4820|instant
// 9.   N|1938|track_name|instant_name
// 10.  G|1339|track_name|slice_name|789
// 11.  H|6890|track_name|slice_name|135
// 12.  H|6890|track_name|135
// Counters emitted by chromium can have a further "category group" appended
// ("Blob" in the example below). We ignore the category group.
inline SystraceParseResult ParseSystraceTracePoint(
    base::StringView str_untrimmed,
    SystraceTracePoint* out) { … }

// Visible for unittesting.
inline bool operator==(const SystraceTracePoint& x,
                       const SystraceTracePoint& y) { … }

}  // namespace systrace_utils

class SystraceParser : public Destructible { … };

}  // namespace trace_processor
}  // namespace perfetto

#endif  // SRC_TRACE_PROCESSOR_IMPORTERS_SYSTRACE_SYSTRACE_PARSER_H_