2 * Copyright (C) 2015 The Android Open Source Project
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
17 #ifndef SIMPLE_PERF_EVENT_H_
18 #define SIMPLE_PERF_EVENT_H_
25 // A uint32_t value far from 0 is picked, so it is unlikely to conflict with further
26 // PERF_TYPE_* events.
27 static constexpr uint32_t SIMPLEPERF_TYPE_USER_SPACE_SAMPLERS = 32768;
30 SIMPLEPERF_CONFIG_INPLACE_SAMPLER,
33 // EventType represents one type of event, like cpu_cycle_event, cache_misses_event.
34 // The user knows one event type by its name, and the kernel knows one event type by its
35 // (type, config) pair. EventType connects the two representations, and tells the user if
36 // the event type is supported by the kernel.
39 EventType(const std::string& name, uint32_t type, uint64_t config,
40 const std::string& description, const std::string& limited_arch)
41 : name(name), type(type), config(config), description(description),
42 limited_arch(limited_arch) {
45 EventType() : type(0), config(0) {
51 std::string description;
52 std::string limited_arch;
55 const std::vector<EventType>& GetAllEventTypes();
56 const EventType* FindEventTypeByName(const std::string& name);
58 struct EventTypeAndModifier {
69 EventTypeAndModifier()
70 : exclude_user(false),
71 exclude_kernel(false),
79 std::unique_ptr<EventTypeAndModifier> ParseEventType(const std::string& event_type_str);
81 #endif // SIMPLE_PERF_EVENT_H_