1 /* 2 * Copyright (C) 2019 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef SRC_TRACE_PROCESSOR_IMPORTERS_FTRACE_RSS_STAT_TRACKER_H_ 18 #define SRC_TRACE_PROCESSOR_IMPORTERS_FTRACE_RSS_STAT_TRACKER_H_ 19 20 #include "perfetto/ext/base/flat_hash_map.h" 21 #include "perfetto/protozero/field.h" 22 #include "src/trace_processor/storage/trace_storage.h" 23 24 namespace perfetto { 25 namespace trace_processor { 26 27 class TraceProcessorContext; 28 29 class RssStatTracker { 30 public: 31 using ConstBytes = protozero::ConstBytes; 32 33 explicit RssStatTracker(TraceProcessorContext*); 34 35 void ParseRssStat(int64_t ts, 36 int32_t field_id, 37 uint32_t pid, 38 ConstBytes blob); 39 void ParseRssStat(int64_t ts, 40 uint32_t pid, 41 int64_t size, 42 uint32_t member, 43 std::optional<bool> curr, 44 std::optional<int64_t> mm_id); 45 46 private: 47 std::optional<UniqueTid> FindUtidForMmId(int64_t mm_id, 48 bool is_curr, 49 uint32_t pid); 50 51 base::FlatHashMap<int64_t, UniqueTid> mm_id_to_utid_; 52 std::vector<StringId> rss_members_; 53 TraceProcessorContext* const context_; 54 }; 55 56 } // namespace trace_processor 57 } // namespace perfetto 58 59 #endif // SRC_TRACE_PROCESSOR_IMPORTERS_FTRACE_RSS_STAT_TRACKER_H_ 60