| /* |
| * 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. |
| */ |
| |
| #ifndef TOOLS_TRACE_TO_TEXT_PROFILE_VISITOR_H_ |
| #define TOOLS_TRACE_TO_TEXT_PROFILE_VISITOR_H_ |
| |
| #include <vector> |
| |
| #include "perfetto/base/logging.h" |
| |
| #include "tools/trace_to_text/utils.h" |
| |
| #include "perfetto/trace/interned_data/interned_data.pb.h" |
| #include "perfetto/trace/profiling/profile_common.pb.h" |
| #include "perfetto/trace/profiling/profile_packet.pb.h" |
| #include "perfetto/trace/trace_packet.pb.h" |
| |
| namespace perfetto { |
| namespace trace_to_text { |
| |
| class ProfileVisitor { |
| public: |
| bool Visit(const std::vector<protos::ProfilePacket>&, |
| const std::vector<protos::InternedData>&); |
| virtual bool AddInternedString( |
| const protos::InternedString& interned_string) = 0; |
| virtual bool AddCallstack(const protos::Callstack& callstack) = 0; |
| virtual bool AddMapping(const protos::Mapping& mapping) = 0; |
| virtual bool AddFrame(const protos::Frame& frame) = 0; |
| virtual ~ProfileVisitor(); |
| }; |
| |
| template <typename F> |
| bool VisitCompletePacket(std::istream* input, F fn) { |
| std::map<uint32_t, std::vector<protos::ProfilePacket>> |
| rolling_profile_packets_by_seq; |
| std::map<uint32_t, std::vector<protos::InternedData>> |
| rolling_interned_data_by_seq; |
| bool success = true; |
| ForEachPacketInTrace(input, [&rolling_profile_packets_by_seq, |
| &rolling_interned_data_by_seq, &success, |
| &fn](const protos::TracePacket& packet) { |
| uint32_t seq_id = packet.trusted_packet_sequence_id(); |
| if (packet.has_interned_data()) |
| rolling_interned_data_by_seq[seq_id].emplace_back(packet.interned_data()); |
| |
| if (!packet.has_profile_packet()) |
| return; |
| |
| rolling_profile_packets_by_seq[seq_id].emplace_back( |
| packet.profile_packet()); |
| |
| const std::vector<protos::InternedData>& rolling_interned_data = |
| rolling_interned_data_by_seq[seq_id]; |
| const std::vector<protos::ProfilePacket>& rolling_profile_packets = |
| rolling_profile_packets_by_seq[seq_id]; |
| |
| if (!packet.profile_packet().continued()) { |
| for (size_t i = 1; i < rolling_profile_packets.size(); ++i) { |
| // Ensure we are not missing a chunk. |
| if (rolling_profile_packets[i - 1].index() + 1 != |
| rolling_profile_packets[i].index()) { |
| success = false; |
| return; |
| } |
| } |
| if (!fn(seq_id, rolling_profile_packets, rolling_interned_data)) |
| success = false; |
| |
| // We do not clear rolling_interned_data, as it is globally scoped. |
| rolling_profile_packets_by_seq.erase(seq_id); |
| } |
| }); |
| |
| if (!rolling_profile_packets_by_seq.empty()) { |
| PERFETTO_ELOG("WARNING: Truncated heap dump."); |
| return false; |
| } |
| return success; |
| } |
| |
| } // namespace trace_to_text |
| } // namespace perfetto |
| |
| #endif // TOOLS_TRACE_TO_TEXT_PROFILE_VISITOR_H_ |