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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/ftrace/ftrace_module_impl.h"
#include "perfetto/base/build_config.h"
#include "perfetto/trace_processor/trace_blob_view.h"
#include "src/trace_processor/importers/ftrace/ftrace_parser.h"
#include "src/trace_processor/importers/ftrace/ftrace_tokenizer.h"
#include "src/trace_processor/timestamped_trace_piece.h"
#include "protos/perfetto/trace/trace_packet.pbzero.h"
namespace perfetto {
namespace trace_processor {
using perfetto::protos::pbzero::TracePacket;
FtraceModuleImpl::FtraceModuleImpl(TraceProcessorContext* context)
: tokenizer_(context), parser_(context) {
RegisterForField(TracePacket::kFtraceEventsFieldNumber, context);
RegisterForField(TracePacket::kFtraceStatsFieldNumber, context);
}
ModuleResult FtraceModuleImpl::TokenizePacket(
const protos::pbzero::TracePacket::Decoder& decoder,
TraceBlobView* packet,
int64_t /*packet_timestamp*/,
PacketSequenceState* seq_state,
uint32_t field_id) {
if (field_id == TracePacket::kFtraceEventsFieldNumber) {
auto ftrace_field = decoder.ftrace_events();
return tokenizer_.TokenizeFtraceBundle(
packet->slice(ftrace_field.data, ftrace_field.size), seq_state,
decoder.trusted_packet_sequence_id());
}
return ModuleResult::Ignored();
}
void FtraceModuleImpl::ParsePacket(
const protos::pbzero::TracePacket::Decoder& decoder,
const TimestampedTracePiece&,
uint32_t field_id) {
if (field_id == TracePacket::kFtraceStatsFieldNumber) {
parser_.ParseFtraceStats(decoder.ftrace_stats());
}
}
void FtraceModuleImpl::ParseFtracePacket(uint32_t cpu,
const TimestampedTracePiece& ttp) {
util::Status res = parser_.ParseFtraceEvent(cpu, ttp);
if (!res.ok()) {
PERFETTO_ELOG("%s", res.message().c_str());
}
}
} // namespace trace_processor
} // namespace perfetto
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