1 /* 2 * Copyright (C) 2015 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 SIMPLE_PERF_CALLCHAIN_H_ 18 #define SIMPLE_PERF_CALLCHAIN_H_ 19 20 #include <memory> 21 #include <vector> 22 23 struct SampleEntry; 24 25 struct CallChainNode { 26 uint64_t period; 27 uint64_t children_period; 28 std::vector<SampleEntry*> chain; 29 std::vector<std::unique_ptr<CallChainNode>> children; 30 }; 31 32 struct CallChainRoot { 33 uint64_t children_period; 34 std::vector<std::unique_ptr<CallChainNode>> children; 35 CallChainRootCallChainRoot36 CallChainRoot() : children_period(0) { 37 } 38 39 void AddCallChain(const std::vector<SampleEntry*>& callchain, uint64_t period); 40 void SortByPeriod(); 41 }; 42 43 #endif // SIMPLE_PERF_CALLCHAIN_H_ 44