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

/*
 * Copyright (C) 2018 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.
 */

#include "src/trace_processor/importers/systrace/systrace_parser.h"

#include <optional>

#include "perfetto/ext/base/string_utils.h"
#include "src/trace_processor/importers/common/async_track_set_tracker.h"
#include "src/trace_processor/importers/common/event_tracker.h"
#include "src/trace_processor/importers/common/process_tracker.h"
#include "src/trace_processor/importers/common/slice_tracker.h"
#include "src/trace_processor/importers/common/track_tracker.h"
#include "src/trace_processor/storage/trace_storage.h"

namespace perfetto {
namespace trace_processor {

SystraceParser::SystraceParser(TraceProcessorContext* ctx)
    : … { … }

SystraceParser::~SystraceParser() = default;

void SystraceParser::ParsePrintEvent(int64_t ts,
                                     uint32_t pid,
                                     base::StringView event) { … }

void SystraceParser::ParseZeroEvent(int64_t ts,
                                    uint32_t pid,
                                    int32_t flag,
                                    base::StringView name,
                                    uint32_t tgid,
                                    int64_t value) { … }

void SystraceParser::ParseKernelTracingMarkWrite(int64_t ts,
                                                 uint32_t pid,
                                                 char trace_type,
                                                 bool trace_begin,
                                                 base::StringView trace_name,
                                                 uint32_t tgid,
                                                 int64_t value) { … }

// TODO(rsavitski): try to remove most special casing of tgid 0, as it is valid
// for kernel systrace points (due to systrace from interrupts).
void SystraceParser::ParseSystracePoint(
    int64_t ts,
    uint32_t pid,
    systrace_utils::SystraceTracePoint point) { … }

void SystraceParser::PostProcessSpecialSliceBegin(int64_t ts,
                                                  base::StringView name) { … }

}  // namespace trace_processor
}  // namespace perfetto