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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.
*/
#include "src/trace_processor/importers/proto/track_event_module.h"
#include "perfetto/base/build_config.h"
#include "perfetto/ext/base/string_utils.h"
#include "src/trace_processor/importers/common/track_tracker.h"
#include "src/trace_processor/importers/proto/track_event_tracker.h"
#include "src/trace_processor/timestamped_trace_piece.h"
#include "src/trace_processor/types/trace_processor_context.h"
#include "protos/perfetto/config/data_source_config.pbzero.h"
#include "protos/perfetto/config/trace_config.pbzero.h"
#include "protos/perfetto/trace/trace_packet.pbzero.h"
namespace perfetto {
namespace trace_processor {
using perfetto::protos::pbzero::TracePacket;
TrackEventModule::TrackEventModule(TraceProcessorContext* context)
: track_event_tracker_(new TrackEventTracker(context)),
tokenizer_(context, track_event_tracker_.get()),
parser_(context, track_event_tracker_.get()) {
RegisterForField(TracePacket::kTrackEventFieldNumber, context);
RegisterForField(TracePacket::kTrackDescriptorFieldNumber, context);
RegisterForField(TracePacket::kThreadDescriptorFieldNumber, context);
RegisterForField(TracePacket::kProcessDescriptorFieldNumber, context);
}
TrackEventModule::~TrackEventModule() = default;
ModuleResult TrackEventModule::TokenizePacket(
const TracePacket::Decoder& decoder,
TraceBlobView* packet,
int64_t packet_timestamp,
PacketSequenceState* state,
uint32_t field_id) {
switch (field_id) {
case TracePacket::kTrackDescriptorFieldNumber:
return tokenizer_.TokenizeTrackDescriptorPacket(state, decoder,
packet_timestamp);
case TracePacket::kTrackEventFieldNumber:
tokenizer_.TokenizeTrackEventPacket(state, decoder, packet,
packet_timestamp);
return ModuleResult::Handled();
case TracePacket::kThreadDescriptorFieldNumber:
// TODO(eseckler): Remove once Chrome has switched to TrackDescriptors.
return tokenizer_.TokenizeThreadDescriptorPacket(state, decoder);
}
return ModuleResult::Ignored();
}
void TrackEventModule::ParsePacket(const TracePacket::Decoder& decoder,
const TimestampedTracePiece& ttp,
uint32_t field_id) {
switch (field_id) {
case TracePacket::kTrackDescriptorFieldNumber:
PERFETTO_DCHECK(ttp.type == TimestampedTracePiece::Type::kTracePacket);
parser_.ParseTrackDescriptor(decoder.track_descriptor());
break;
case TracePacket::kTrackEventFieldNumber:
PERFETTO_DCHECK(ttp.type == TimestampedTracePiece::Type::kTrackEvent);
parser_.ParseTrackEvent(ttp.timestamp, ttp.track_event_data.get(),
decoder.track_event());
break;
case TracePacket::kProcessDescriptorFieldNumber:
// TODO(eseckler): Remove once Chrome has switched to TrackDescriptors.
PERFETTO_DCHECK(ttp.type == TimestampedTracePiece::Type::kTracePacket);
parser_.ParseProcessDescriptor(decoder.process_descriptor());
break;
case TracePacket::kThreadDescriptorFieldNumber:
// TODO(eseckler): Remove once Chrome has switched to TrackDescriptors.
PERFETTO_DCHECK(ttp.type == TimestampedTracePiece::Type::kTracePacket);
parser_.ParseThreadDescriptor(decoder.thread_descriptor());
break;
}
}
void TrackEventModule::OnIncrementalStateCleared(uint32_t packet_sequence_id) {
track_event_tracker_->OnIncrementalStateCleared(packet_sequence_id);
}
} // namespace trace_processor
} // namespace perfetto
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