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/*
* Copyright (C) 2022 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/translation_table_module.h"
#include "src/trace_processor/importers/common/args_translation_table.h"
#include "src/trace_processor/importers/common/slice_translation_table.h"
#include "src/trace_processor/importers/proto/packet_sequence_state_generation.h"
#include "protos/perfetto/trace/trace_packet.pbzero.h"
#include "protos/perfetto/trace/translation/translation_table.pbzero.h"
namespace perfetto {
namespace trace_processor {
using perfetto::protos::pbzero::TracePacket;
TranslationTableModule::TranslationTableModule(TraceProcessorContext* context)
: context_(context) {
RegisterForField(TracePacket::kTranslationTableFieldNumber, context);
}
TranslationTableModule::~TranslationTableModule() = default;
ModuleResult TranslationTableModule::TokenizePacket(
const protos::pbzero::TracePacket_Decoder& decoder,
TraceBlobView* /*packet*/,
int64_t /*packet_timestamp*/,
RefPtr<PacketSequenceStateGeneration> /*state*/,
uint32_t field_id) {
if (field_id != TracePacket::kTranslationTableFieldNumber) {
return ModuleResult::Ignored();
}
const auto translation_table =
protos::pbzero::TranslationTable::Decoder(decoder.translation_table());
if (translation_table.has_chrome_histogram()) {
ParseChromeHistogramRules(translation_table.chrome_histogram());
} else if (translation_table.has_chrome_user_event()) {
ParseChromeUserEventRules(translation_table.chrome_user_event());
} else if (translation_table.has_chrome_performance_mark()) {
ParseChromePerformanceMarkRules(
translation_table.chrome_performance_mark());
} else if (translation_table.has_slice_name()) {
ParseSliceNameRules(translation_table.slice_name());
}
return ModuleResult::Handled();
}
void TranslationTableModule::ParseChromeHistogramRules(
protozero::ConstBytes bytes) {
const auto chrome_histogram =
protos::pbzero::ChromeHistorgramTranslationTable::Decoder(bytes);
for (auto it = chrome_histogram.hash_to_name(); it; ++it) {
protos::pbzero::ChromeHistorgramTranslationTable::HashToNameEntry::Decoder
entry(*it);
context_->args_translation_table->AddChromeHistogramTranslationRule(
entry.key(), entry.value());
}
}
void TranslationTableModule::ParseChromeUserEventRules(
protozero::ConstBytes bytes) {
const auto chrome_user_event =
protos::pbzero::ChromeUserEventTranslationTable::Decoder(bytes);
for (auto it = chrome_user_event.action_hash_to_name(); it; ++it) {
protos::pbzero::ChromeUserEventTranslationTable::ActionHashToNameEntry::
Decoder entry(*it);
context_->args_translation_table->AddChromeUserEventTranslationRule(
entry.key(), entry.value());
}
}
void TranslationTableModule::ParseChromePerformanceMarkRules(
protozero::ConstBytes bytes) {
const auto chrome_performance_mark =
protos::pbzero::ChromePerformanceMarkTranslationTable::Decoder(bytes);
for (auto it = chrome_performance_mark.site_hash_to_name(); it; ++it) {
protos::pbzero::ChromePerformanceMarkTranslationTable::SiteHashToNameEntry::
Decoder entry(*it);
context_->args_translation_table
->AddChromePerformanceMarkSiteTranslationRule(entry.key(),
entry.value());
}
for (auto it = chrome_performance_mark.mark_hash_to_name(); it; ++it) {
protos::pbzero::ChromePerformanceMarkTranslationTable::MarkHashToNameEntry::
Decoder entry(*it);
context_->args_translation_table
->AddChromePerformanceMarkMarkTranslationRule(entry.key(),
entry.value());
}
}
void TranslationTableModule::ParseSliceNameRules(protozero::ConstBytes bytes) {
const auto slice_name =
protos::pbzero::SliceNameTranslationTable::Decoder(bytes);
for (auto it = slice_name.raw_to_deobfuscated_name(); it; ++it) {
protos::pbzero::SliceNameTranslationTable::RawToDeobfuscatedNameEntry::
Decoder entry(*it);
context_->slice_translation_table->AddNameTranslationRule(entry.key(),
entry.value());
}
}
} // namespace trace_processor
} // namespace perfetto
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