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_EVENT_ATTR_H_ 18 #define SIMPLE_PERF_EVENT_ATTR_H_ 19 20 #include <stddef.h> 21 22 #include <string> 23 #include <vector> 24 25 #include "perf_event.h" 26 27 struct EventType; 28 29 struct EventAttrWithId { 30 const perf_event_attr* attr; 31 std::vector<uint64_t> ids; 32 }; 33 34 perf_event_attr CreateDefaultPerfEventAttr(const EventType& event_type); 35 void DumpPerfEventAttr(const perf_event_attr& attr, size_t indent = 0); 36 bool GetCommonEventIdPositionsForAttrs(std::vector<perf_event_attr>& attrs, 37 size_t* event_id_pos_in_sample_records, 38 size_t* event_id_reverse_pos_in_non_sample_records); 39 bool IsTimestampSupported(const perf_event_attr& attr); 40 bool IsCpuSupported(const perf_event_attr& attr); 41 // Return event name with modifier if the event is found, otherwise return "unknown". 42 std::string GetEventNameByAttr(const perf_event_attr& attr); 43 44 #endif // SIMPLE_PERF_EVENT_ATTR_H_ 45
