167d3abd7b26a741347b33402ad32f5c6735ca0bdYabin Cui/*
267d3abd7b26a741347b33402ad32f5c6735ca0bdYabin Cui * Copyright (C) 2015 The Android Open Source Project
367d3abd7b26a741347b33402ad32f5c6735ca0bdYabin Cui *
467d3abd7b26a741347b33402ad32f5c6735ca0bdYabin Cui * Licensed under the Apache License, Version 2.0 (the "License");
567d3abd7b26a741347b33402ad32f5c6735ca0bdYabin Cui * you may not use this file except in compliance with the License.
667d3abd7b26a741347b33402ad32f5c6735ca0bdYabin Cui * You may obtain a copy of the License at
767d3abd7b26a741347b33402ad32f5c6735ca0bdYabin Cui *
867d3abd7b26a741347b33402ad32f5c6735ca0bdYabin Cui *      http://www.apache.org/licenses/LICENSE-2.0
967d3abd7b26a741347b33402ad32f5c6735ca0bdYabin Cui *
1067d3abd7b26a741347b33402ad32f5c6735ca0bdYabin Cui * Unless required by applicable law or agreed to in writing, software
1167d3abd7b26a741347b33402ad32f5c6735ca0bdYabin Cui * distributed under the License is distributed on an "AS IS" BASIS,
1267d3abd7b26a741347b33402ad32f5c6735ca0bdYabin Cui * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
1367d3abd7b26a741347b33402ad32f5c6735ca0bdYabin Cui * See the License for the specific language governing permissions and
1467d3abd7b26a741347b33402ad32f5c6735ca0bdYabin Cui * limitations under the License.
1567d3abd7b26a741347b33402ad32f5c6735ca0bdYabin Cui */
1667d3abd7b26a741347b33402ad32f5c6735ca0bdYabin Cui
1767d3abd7b26a741347b33402ad32f5c6735ca0bdYabin Cui#ifndef SIMPLE_PERF_EVENT_H_
1867d3abd7b26a741347b33402ad32f5c6735ca0bdYabin Cui#define SIMPLE_PERF_EVENT_H_
1967d3abd7b26a741347b33402ad32f5c6735ca0bdYabin Cui
2067d3abd7b26a741347b33402ad32f5c6735ca0bdYabin Cui#include <stdint.h>
21d115b2f738f2cef352877b26c2d93460ac9fea25Yabin Cui#include <memory>
2267d3abd7b26a741347b33402ad32f5c6735ca0bdYabin Cui#include <string>
2367d3abd7b26a741347b33402ad32f5c6735ca0bdYabin Cui#include <vector>
2467d3abd7b26a741347b33402ad32f5c6735ca0bdYabin Cui
2526968e6c48dea2eaa217991ade5a04e801f1be8fYabin Cui// A uint32_t value far from 0 is picked, so it is unlikely to conflict with further
2626968e6c48dea2eaa217991ade5a04e801f1be8fYabin Cui// PERF_TYPE_* events.
2726968e6c48dea2eaa217991ade5a04e801f1be8fYabin Cuistatic constexpr uint32_t SIMPLEPERF_TYPE_USER_SPACE_SAMPLERS = 32768;
2826968e6c48dea2eaa217991ade5a04e801f1be8fYabin Cui
2926968e6c48dea2eaa217991ade5a04e801f1be8fYabin Cuienum {
3026968e6c48dea2eaa217991ade5a04e801f1be8fYabin Cui  SIMPLEPERF_CONFIG_INPLACE_SAMPLER,
3126968e6c48dea2eaa217991ade5a04e801f1be8fYabin Cui};
3226968e6c48dea2eaa217991ade5a04e801f1be8fYabin Cui
3367d3abd7b26a741347b33402ad32f5c6735ca0bdYabin Cui// EventType represents one type of event, like cpu_cycle_event, cache_misses_event.
3467d3abd7b26a741347b33402ad32f5c6735ca0bdYabin Cui// The user knows one event type by its name, and the kernel knows one event type by its
3567d3abd7b26a741347b33402ad32f5c6735ca0bdYabin Cui// (type, config) pair. EventType connects the two representations, and tells the user if
3667d3abd7b26a741347b33402ad32f5c6735ca0bdYabin Cui// the event type is supported by the kernel.
3767d3abd7b26a741347b33402ad32f5c6735ca0bdYabin Cui
3867d3abd7b26a741347b33402ad32f5c6735ca0bdYabin Cuistruct EventType {
39f569b478e74560a2d9e29a96824e16b93a55b97fYabin Cui  EventType(const std::string& name, uint32_t type, uint64_t config)
40f569b478e74560a2d9e29a96824e16b93a55b97fYabin Cui      : name(name), type(type), config(config) {
41f569b478e74560a2d9e29a96824e16b93a55b97fYabin Cui  }
42f569b478e74560a2d9e29a96824e16b93a55b97fYabin Cui
43f569b478e74560a2d9e29a96824e16b93a55b97fYabin Cui  EventType() : type(0), config(0) {
44f569b478e74560a2d9e29a96824e16b93a55b97fYabin Cui  }
45f569b478e74560a2d9e29a96824e16b93a55b97fYabin Cui
46f569b478e74560a2d9e29a96824e16b93a55b97fYabin Cui  std::string name;
4767d3abd7b26a741347b33402ad32f5c6735ca0bdYabin Cui  uint32_t type;
4867d3abd7b26a741347b33402ad32f5c6735ca0bdYabin Cui  uint64_t config;
4967d3abd7b26a741347b33402ad32f5c6735ca0bdYabin Cui};
5067d3abd7b26a741347b33402ad32f5c6735ca0bdYabin Cui
51d115b2f738f2cef352877b26c2d93460ac9fea25Yabin Cuiconst std::vector<EventType>& GetAllEventTypes();
529fd3cc1048a3d0338df4a48760dfd655560992a1Yabin Cuiconst EventType* FindEventTypeByName(const std::string& name);
53d115b2f738f2cef352877b26c2d93460ac9fea25Yabin Cui
54d115b2f738f2cef352877b26c2d93460ac9fea25Yabin Cuistruct EventTypeAndModifier {
555872ac6f1f5b804ffea38ff59025441618802d6bYabin Cui  std::string name;
56d115b2f738f2cef352877b26c2d93460ac9fea25Yabin Cui  EventType event_type;
5704d08a35c5e1cabdf6eb7397536a790b0ff44459Yabin Cui  std::string modifier;
58d115b2f738f2cef352877b26c2d93460ac9fea25Yabin Cui  bool exclude_user;
59d115b2f738f2cef352877b26c2d93460ac9fea25Yabin Cui  bool exclude_kernel;
60d115b2f738f2cef352877b26c2d93460ac9fea25Yabin Cui  bool exclude_hv;
61d115b2f738f2cef352877b26c2d93460ac9fea25Yabin Cui  bool exclude_host;
62d115b2f738f2cef352877b26c2d93460ac9fea25Yabin Cui  bool exclude_guest;
63d115b2f738f2cef352877b26c2d93460ac9fea25Yabin Cui  int precise_ip : 2;
64d115b2f738f2cef352877b26c2d93460ac9fea25Yabin Cui
65d115b2f738f2cef352877b26c2d93460ac9fea25Yabin Cui  EventTypeAndModifier()
66d115b2f738f2cef352877b26c2d93460ac9fea25Yabin Cui      : exclude_user(false),
67d115b2f738f2cef352877b26c2d93460ac9fea25Yabin Cui        exclude_kernel(false),
68d115b2f738f2cef352877b26c2d93460ac9fea25Yabin Cui        exclude_hv(false),
69d115b2f738f2cef352877b26c2d93460ac9fea25Yabin Cui        exclude_host(false),
70d115b2f738f2cef352877b26c2d93460ac9fea25Yabin Cui        exclude_guest(false),
71d115b2f738f2cef352877b26c2d93460ac9fea25Yabin Cui        precise_ip(0) {
72d115b2f738f2cef352877b26c2d93460ac9fea25Yabin Cui  }
7367d3abd7b26a741347b33402ad32f5c6735ca0bdYabin Cui};
7467d3abd7b26a741347b33402ad32f5c6735ca0bdYabin Cui
759fd3cc1048a3d0338df4a48760dfd655560992a1Yabin Cuistd::unique_ptr<EventTypeAndModifier> ParseEventType(const std::string& event_type_str);
76d115b2f738f2cef352877b26c2d93460ac9fea25Yabin Cui
7767d3abd7b26a741347b33402ad32f5c6735ca0bdYabin Cui#endif  // SIMPLE_PERF_EVENT_H_
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