| /* |
| * Copyright (C) 2018 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/trace_storage.h" |
| |
| #include <string.h> |
| |
| namespace perfetto { |
| namespace trace_processor { |
| |
| TraceStorage::TraceStorage() { |
| // Upid/utid 0 is reserved for idle processes/threads. |
| unique_processes_.emplace_back(0); |
| unique_threads_.emplace_back(0); |
| |
| // Reserve string ID 0 for the empty string. |
| InternString(""); |
| |
| } |
| |
| TraceStorage::~TraceStorage() {} |
| |
| void TraceStorage::AddSliceToCpu(uint32_t cpu, |
| uint64_t start_ns, |
| uint64_t duration_ns, |
| UniqueTid utid) { |
| slices_.AddSlice(cpu, start_ns, duration_ns, utid); |
| } |
| |
| StringId TraceStorage::InternString(base::StringView str) { |
| auto hash = str.Hash(); |
| auto id_it = string_index_.find(hash); |
| if (id_it != string_index_.end()) { |
| PERFETTO_DCHECK(base::StringView(string_pool_[id_it->second]) == str); |
| return id_it->second; |
| } |
| string_pool_.emplace_back(str.ToStdString()); |
| StringId string_id = string_pool_.size() - 1; |
| string_index_.emplace(hash, string_id); |
| return string_id; |
| } |
| |
| void TraceStorage::ResetStorage() { |
| *this = TraceStorage(); |
| } |
| |
| } // namespace trace_processor |
| } // namespace perfetto |