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// Copyright (c) 2016, The Monero Project
//
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without modification, are
// permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this list of
// conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice, this list
// of conditions and the following disclaimer in the documentation and/or other
// materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its contributors may be
// used to endorse or promote products derived from this software without specific
// prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#pragma once
#include <string>
#include <stdio.h>
#include "misc_log_ex.h"
#undef MONERO_DEFAULT_LOG_CATEGORY
#define MONERO_DEFAULT_LOG_CATEGORY "perf"
namespace tools
{
class PerformanceTimer;
extern el::Level performance_timer_log_level;
extern __thread std::vector<PerformanceTimer*> *performance_timers;
class PerformanceTimer
{
public:
PerformanceTimer(const std::string &s, uint64_t unit, el::Level l = el::Level::Debug): name(s), unit(unit), level(l), started(false)
{
ticks = epee::misc_utils::get_ns_count();
if (!performance_timers)
{
MLOG(level, "PERF ----------");
performance_timers = new std::vector<PerformanceTimer*>();
}
else
{
PerformanceTimer *pt = performance_timers->back();
if (!pt->started)
{
MLOG(pt->level, "PERF " << std::string((performance_timers->size()-1) * 2, ' ') << " " << pt->name);
pt->started = true;
}
}
performance_timers->push_back(this);
}
~PerformanceTimer()
{
performance_timers->pop_back();
ticks = epee::misc_utils::get_ns_count() - ticks;
char s[12];
snprintf(s, sizeof(s), "%8llu ", (unsigned long long)ticks / (1000000000 / unit));
MLOG(level, "PERF " << s << std::string(performance_timers->size() * 2, ' ') << " " << name);
if (performance_timers->empty())
{
delete performance_timers;
performance_timers = NULL;
}
}
private:
std::string name;
uint64_t unit;
el::Level level;
uint64_t ticks;
bool started;
};
void set_performance_timer_log_level(el::Level level);
#define PERF_TIMER_UNIT(name, unit) tools::PerformanceTimer pt_##name(#name, unit, tools::performance_timer_log_level)
#define PERF_TIMER_UNIT_L(name, unit, l) tools::PerformanceTimer pt_##name(#name, unit, l)
#define PERF_TIMER(name) PERF_TIMER_UNIT(name, 1000)
#define PERF_TIMER_L(name, l) PERF_TIMER_UNIT_L(name, 1000, l)
}
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