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/*
* Copyright (C) 2021 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/metadata_minimal_module.h"
#include "perfetto/ext/base/base64.h"
#include "perfetto/ext/base/string_utils.h"
#include "src/trace_processor/importers/common/metadata_tracker.h"
#include "src/trace_processor/types/trace_processor_context.h"
#include "protos/perfetto/trace/chrome/chrome_benchmark_metadata.pbzero.h"
#include "protos/perfetto/trace/chrome/chrome_metadata.pbzero.h"
namespace perfetto {
namespace trace_processor {
using perfetto::protos::pbzero::TracePacket;
MetadataMinimalModule::MetadataMinimalModule(TraceProcessorContext* context)
: context_(context) {
RegisterForField(TracePacket::kChromeMetadataFieldNumber, context);
RegisterForField(TracePacket::kChromeBenchmarkMetadataFieldNumber, context);
}
ModuleResult MetadataMinimalModule::TokenizePacket(
const protos::pbzero::TracePacket::Decoder& decoder,
TraceBlobView*,
int64_t,
PacketSequenceState*,
uint32_t field_id) {
switch (field_id) {
case TracePacket::kChromeMetadataFieldNumber: {
ParseChromeMetadataPacket(decoder.chrome_metadata());
return ModuleResult::Handled();
}
case TracePacket::kChromeBenchmarkMetadataFieldNumber: {
ParseChromeBenchmarkMetadata(decoder.chrome_benchmark_metadata());
return ModuleResult::Handled();
}
}
return ModuleResult::Ignored();
}
void MetadataMinimalModule::ParseChromeBenchmarkMetadata(ConstBytes blob) {
TraceStorage* storage = context_->storage.get();
MetadataTracker* metadata = context_->metadata_tracker.get();
protos::pbzero::ChromeBenchmarkMetadata::Decoder packet(blob.data, blob.size);
if (packet.has_benchmark_name()) {
auto benchmark_name_id = storage->InternString(packet.benchmark_name());
metadata->SetMetadata(metadata::benchmark_name,
Variadic::String(benchmark_name_id));
}
if (packet.has_benchmark_description()) {
auto benchmark_description_id =
storage->InternString(packet.benchmark_description());
metadata->SetMetadata(metadata::benchmark_description,
Variadic::String(benchmark_description_id));
}
if (packet.has_label()) {
auto label_id = storage->InternString(packet.label());
metadata->SetMetadata(metadata::benchmark_label,
Variadic::String(label_id));
}
if (packet.has_story_name()) {
auto story_name_id = storage->InternString(packet.story_name());
metadata->SetMetadata(metadata::benchmark_story_name,
Variadic::String(story_name_id));
}
for (auto it = packet.story_tags(); it; ++it) {
auto story_tag_id = storage->InternString(*it);
metadata->AppendMetadata(metadata::benchmark_story_tags,
Variadic::String(story_tag_id));
}
if (packet.has_benchmark_start_time_us()) {
metadata->SetMetadata(metadata::benchmark_start_time_us,
Variadic::Integer(packet.benchmark_start_time_us()));
}
if (packet.has_story_run_time_us()) {
metadata->SetMetadata(metadata::benchmark_story_run_time_us,
Variadic::Integer(packet.story_run_time_us()));
}
if (packet.has_story_run_index()) {
metadata->SetMetadata(metadata::benchmark_story_run_index,
Variadic::Integer(packet.story_run_index()));
}
if (packet.has_had_failures()) {
metadata->SetMetadata(metadata::benchmark_had_failures,
Variadic::Integer(packet.had_failures()));
}
}
void MetadataMinimalModule::ParseChromeMetadataPacket(ConstBytes blob) {
TraceStorage* storage = context_->storage.get();
MetadataTracker* metadata = context_->metadata_tracker.get();
// TODO(b/322298334): There is no easy way to associate ChromeMetadataPacket
// with ChromeMetadata for the same instance, so we have opted for letters to
// differentiate Chrome instances for ChromeMetadataPacket. When a unifying
// Chrome instance ID is in place, update this code to use the same counter
// as ChromeMetadata values.
base::StackString<6> metadata_prefix(
"cr-%c-", static_cast<char>('a' + (chrome_metadata_count_ % 26)));
chrome_metadata_count_++;
// Typed chrome metadata proto. The untyped metadata is parsed below in
// ParseChromeEvents().
protos::pbzero::ChromeMetadataPacket::Decoder packet_decoder(blob.data,
blob.size);
if (packet_decoder.has_chrome_version_code()) {
metadata->SetDynamicMetadata(
storage->InternString(base::StringView(metadata_prefix.ToStdString() +
"playstore_version_code")),
Variadic::Integer(packet_decoder.chrome_version_code()));
}
if (packet_decoder.has_enabled_categories()) {
auto categories_id =
storage->InternString(packet_decoder.enabled_categories());
metadata->SetDynamicMetadata(
storage->InternString(base::StringView(metadata_prefix.ToStdString() +
"enabled_categories")),
Variadic::String(categories_id));
}
if (packet_decoder.has_field_trial_hashes()) {
std::string field_trials;
// Add a line break after every 2 field trial hashes to better utilize the
// UI space.
int line_size = 0;
for (auto it = packet_decoder.field_trial_hashes(); it; ++it) {
if (line_size == 2) {
field_trials.append("\n");
line_size = 1;
} else {
line_size++;
}
perfetto::protos::pbzero::ChromeMetadataPacket::FinchHash::Decoder
field_trial(*it);
base::StackString<45> field_trial_string(
"{ name: %u, group: %u } ", field_trial.name(), field_trial.group());
field_trials.append(field_trial_string.ToStdString());
}
StringId field_trials_string =
context_->storage->InternString(base::StringView(field_trials));
metadata->SetDynamicMetadata(
storage->InternString(base::StringView(metadata_prefix.ToStdString() +
"field_trial_hashes")),
Variadic::String(field_trials_string));
}
if (packet_decoder.has_background_tracing_metadata()) {
auto background_tracing_metadata =
packet_decoder.background_tracing_metadata();
std::string base64 = base::Base64Encode(background_tracing_metadata.data,
background_tracing_metadata.size);
metadata->SetDynamicMetadata(
storage->InternString("cr-background_tracing_metadata"),
Variadic::String(storage->InternString(base::StringView(base64))));
protos::pbzero::BackgroundTracingMetadata::Decoder metadata_decoder(
background_tracing_metadata.data, background_tracing_metadata.size);
if (metadata_decoder.has_scenario_name_hash()) {
metadata->SetDynamicMetadata(
storage->InternString("cr-scenario_name_hash"),
Variadic::Integer(metadata_decoder.scenario_name_hash()));
}
auto triggered_rule = metadata_decoder.triggered_rule();
if (!metadata_decoder.has_triggered_rule())
return;
protos::pbzero::BackgroundTracingMetadata::TriggerRule::Decoder
triggered_rule_decoder(triggered_rule.data, triggered_rule.size);
if (!triggered_rule_decoder.has_name_hash())
return;
metadata->SetDynamicMetadata(
storage->InternString("cr-triggered_rule_name_hash"),
Variadic::Integer(triggered_rule_decoder.name_hash()));
}
}
} // namespace trace_processor
} // namespace perfetto
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