event_type.h revision 67d3abd7b26a741347b33402ad32f5c6735ca0bd 
167d3abd7b26a741347b33402ad32f5c6735ca0bdYabin Cui/*
267d3abd7b26a741347b33402ad32f5c6735ca0bdYabin Cui * Copyright (C) 2015 The Android Open Source Project
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467d3abd7b26a741347b33402ad32f5c6735ca0bdYabin Cui * Licensed under the Apache License, Version 2.0 (the "License");
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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
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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>
2167d3abd7b26a741347b33402ad32f5c6735ca0bdYabin Cui#include <string>
2267d3abd7b26a741347b33402ad32f5c6735ca0bdYabin Cui#include <vector>
2367d3abd7b26a741347b33402ad32f5c6735ca0bdYabin Cui
2467d3abd7b26a741347b33402ad32f5c6735ca0bdYabin Cui// EventType represents one type of event, like cpu_cycle_event, cache_misses_event.
2567d3abd7b26a741347b33402ad32f5c6735ca0bdYabin Cui// The user knows one event type by its name, and the kernel knows one event type by its
2667d3abd7b26a741347b33402ad32f5c6735ca0bdYabin Cui// (type, config) pair. EventType connects the two representations, and tells the user if
2767d3abd7b26a741347b33402ad32f5c6735ca0bdYabin Cui// the event type is supported by the kernel.
2867d3abd7b26a741347b33402ad32f5c6735ca0bdYabin Cui
2967d3abd7b26a741347b33402ad32f5c6735ca0bdYabin Cuistruct EventType {
3067d3abd7b26a741347b33402ad32f5c6735ca0bdYabin Cui  bool IsSupportedByKernel() const;
3167d3abd7b26a741347b33402ad32f5c6735ca0bdYabin Cui
3267d3abd7b26a741347b33402ad32f5c6735ca0bdYabin Cui  const char* name;
3367d3abd7b26a741347b33402ad32f5c6735ca0bdYabin Cui  uint32_t type;
3467d3abd7b26a741347b33402ad32f5c6735ca0bdYabin Cui  uint64_t config;
3567d3abd7b26a741347b33402ad32f5c6735ca0bdYabin Cui};
3667d3abd7b26a741347b33402ad32f5c6735ca0bdYabin Cui
3767d3abd7b26a741347b33402ad32f5c6735ca0bdYabin Cuiclass EventTypeFactory {
3867d3abd7b26a741347b33402ad32f5c6735ca0bdYabin Cui public:
3967d3abd7b26a741347b33402ad32f5c6735ca0bdYabin Cui  static const std::vector<const EventType>& GetAllEventTypes();
4067d3abd7b26a741347b33402ad32f5c6735ca0bdYabin Cui  static const EventType* FindEventTypeByName(const std::string& name);
4167d3abd7b26a741347b33402ad32f5c6735ca0bdYabin Cui  static const EventType* FindEventTypeByConfig(uint32_t type, uint64_t config);
4267d3abd7b26a741347b33402ad32f5c6735ca0bdYabin Cui};
4367d3abd7b26a741347b33402ad32f5c6735ca0bdYabin Cui
4467d3abd7b26a741347b33402ad32f5c6735ca0bdYabin Cui#endif  // SIMPLE_PERF_EVENT_H_
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