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/*
* Copyright (c) 2019 Samsung Electronics Co., Ltd. All Rights Reserved
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef __NEURUN_UTIL_EVENT_COLLECTOR_GLOBAL_H__
#define __NEURUN_UTIL_EVENT_COLLECTOR_GLOBAL_H__
#include "misc/EventRecorder.h"
#include "misc/EventCollector.h"
namespace neurun
{
namespace util
{
/**
* @brief Singleton class for event collection from anywhere in code
*
*/
class EventCollectorGlobal
{
public:
/**
* @brief Get the singleton object of this class
*
* @return EventCollectorGlobal& Singleton object
*/
static EventCollectorGlobal &get();
public:
/**
* @brief Getter for event collector object
*
* @return EventCollector& Collector object
*/
EventCollector &collector() { return _collector; }
private:
EventCollectorGlobal();
~EventCollectorGlobal();
private:
EventRecorder _recorder;
EventCollector _collector;
};
/**
* @brief Helper class for emitting duration event which is handled automatically with ctor/dtor
*
*/
class EventDurationBlock
{
public:
/**
* @brief Raise a duration event with type of BEGIN
*
* @param tag A label for the duration event
*/
EventDurationBlock(const std::string &tag);
/**
* @brief Raise a duration event with type of END
*
*/
~EventDurationBlock();
private:
std::string _tag;
};
/**
* @brief Helper class for emitting duration event which is handled manually
*
* Usage:
* {
* ...
* EventDurationManual duration("some tag");
* duration.begin();
* ...
* ... // Code for duration
* ...
* duration.end();
* }
*
*/
class EventDurationManual
{
public:
/**
* @brief Construct a new Event Duration Manual object
*
* @param tag A label for the duration object
*/
EventDurationManual(const std::string &tag);
/**
* @brief Destroy the Event Duration Manual object
*
*/
~EventDurationManual();
/**
* @brief Raise a duration event with type of BEGIN
*
*/
void begin();
/**
* @brief Raise a duration event with type of END
*
*/
void end();
private:
std::string _tag;
bool _pair;
};
} // namespace util
} // namespace neurun
/**
* Helper Macro Definitions
*
* HOW TO USE
*
* void f(args)
* {
* EVENT_DURATION_FUNCTION();
* ...
* if(cond)
* {
* EVENT_DURATION_REGION("if branch");
* ...
* }
* ...
* }
*/
#define EVENT_DURATION_FUNCTION() \
::neurun::util::EventDurationBlock __event_duration__##__LINE__ { __FUNCTION__ }
#define EVENT_DURATION_REGION(tag) \
::neurun::util::EventDurationBlock __event_duration__##__LINE__ { tag }
#endif // __NEURUN_UTIL_EVENT_COLLECTOR_GLOBAL_H__
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