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_H_ 18 #define SIMPLE_PERF_EVENT_H_ 19 20 #include <stdint.h> 21 #include <memory> 22 #include <string> 23 #include <vector> 24 25 // EventType represents one type of event, like cpu_cycle_event, cache_misses_event. 26 // The user knows one event type by its name, and the kernel knows one event type by its 27 // (type, config) pair. EventType connects the two representations, and tells the user if 28 // the event type is supported by the kernel. 29 30 struct EventType { EventTypeEventType31 EventType(const std::string& name, uint32_t type, uint64_t config) 32 : name(name), type(type), config(config) { 33 } 34 EventTypeEventType35 EventType() : type(0), config(0) { 36 } 37 38 std::string name; 39 uint32_t type; 40 uint64_t config; 41 }; 42 43 const std::vector<EventType>& GetAllEventTypes(); 44 const EventType* FindEventTypeByConfig(uint32_t type, uint64_t config); 45 const EventType* FindEventTypeByName(const std::string& name); 46 47 struct EventTypeAndModifier { 48 std::string name; 49 EventType event_type; 50 std::string modifier; 51 bool exclude_user; 52 bool exclude_kernel; 53 bool exclude_hv; 54 bool exclude_host; 55 bool exclude_guest; 56 int precise_ip : 2; 57 EventTypeAndModifierEventTypeAndModifier58 EventTypeAndModifier() 59 : exclude_user(false), 60 exclude_kernel(false), 61 exclude_hv(false), 62 exclude_host(false), 63 exclude_guest(false), 64 precise_ip(0) { 65 } 66 }; 67 68 std::unique_ptr<EventTypeAndModifier> ParseEventType(const std::string& event_type_str); 69 70 #endif // SIMPLE_PERF_EVENT_H_ 71