mirror of
https://git.wownero.com/wownero/wownero.git
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197 lines
5.7 KiB
C++
197 lines
5.7 KiB
C++
// Copyright (c) 2016-2019, The Monero Project
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//
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without modification, are
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// permitted provided that the following conditions are met:
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//
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// 1. Redistributions of source code must retain the above copyright notice, this list of
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// conditions and the following disclaimer.
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//
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// 2. Redistributions in binary form must reproduce the above copyright notice, this list
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// of conditions and the following disclaimer in the documentation and/or other
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// materials provided with the distribution.
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//
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// 3. Neither the name of the copyright holder nor the names of its contributors may be
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// used to endorse or promote products derived from this software without specific
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// prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
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// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
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// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#include <vector>
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#include "misc_os_dependent.h"
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#include "perf_timer.h"
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#undef MONERO_DEFAULT_LOG_CATEGORY
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#define MONERO_DEFAULT_LOG_CATEGORY "perf"
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#define PERF_LOG_ALWAYS(level, cat, x) \
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el::base::Writer(level, __FILE__, __LINE__, ELPP_FUNC, el::base::DispatchAction::FileOnlyLog).construct(cat) << x
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#define PERF_LOG(level, cat, x) \
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do { \
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if (ELPP->vRegistry()->allowed(level, cat)) PERF_LOG_ALWAYS(level, cat, x); \
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} while(0)
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namespace tools
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{
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uint64_t get_tick_count()
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{
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#if defined(__x86_64__)
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uint32_t hi, lo;
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__asm__ volatile("rdtsc" : "=a"(lo), "=d"(hi));
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return (((uint64_t)hi) << 32) | (uint64_t)lo;
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#else
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return epee::misc_utils::get_ns_count();
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#endif
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}
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#ifdef __x86_64__
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uint64_t get_ticks_per_ns()
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{
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uint64_t t0 = epee::misc_utils::get_ns_count(), t1;
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uint64_t r0 = get_tick_count();
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while (1)
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{
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t1 = epee::misc_utils::get_ns_count();
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if (t1 - t0 > 1*1000000000) break; // work one second
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}
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uint64_t r1 = get_tick_count();
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uint64_t tpns256 = 256 * (r1 - r0) / (t1 - t0);
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return tpns256 ? tpns256 : 1;
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}
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#endif
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#ifdef __x86_64__
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uint64_t ticks_per_ns = get_ticks_per_ns();
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#endif
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uint64_t ticks_to_ns(uint64_t ticks)
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{
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#if defined(__x86_64__)
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return 256 * ticks / ticks_per_ns;
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#else
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return ticks;
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#endif
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}
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}
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namespace tools
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{
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el::Level performance_timer_log_level = el::Level::Info;
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static __thread std::vector<LoggingPerformanceTimer*> *performance_timers = NULL;
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void set_performance_timer_log_level(el::Level level)
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{
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if (level != el::Level::Debug && level != el::Level::Trace && level != el::Level::Info
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&& level != el::Level::Warning && level != el::Level::Error && level != el::Level::Fatal)
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{
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MERROR("Wrong log level: " << el::LevelHelper::convertToString(level) << ", using Info");
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level = el::Level::Info;
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}
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performance_timer_log_level = level;
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}
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PerformanceTimer::PerformanceTimer(bool paused): started(true), paused(paused)
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{
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if (paused)
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ticks = 0;
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else
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ticks = get_tick_count();
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}
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LoggingPerformanceTimer::LoggingPerformanceTimer(const std::string &s, const std::string &cat, uint64_t unit, el::Level l): PerformanceTimer(), name(s), cat(cat), unit(unit), level(l)
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{
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const bool log = ELPP->vRegistry()->allowed(level, cat.c_str());
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if (!performance_timers)
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{
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if (log)
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PERF_LOG_ALWAYS(level, cat.c_str(), "PERF ----------");
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performance_timers = new std::vector<LoggingPerformanceTimer*>();
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performance_timers->reserve(16); // how deep before realloc
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}
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else
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{
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LoggingPerformanceTimer *pt = performance_timers->back();
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if (!pt->started && !pt->paused)
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{
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if (log)
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{
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size_t size = 0; for (const auto *tmp: *performance_timers) if (!tmp->paused) ++size;
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PERF_LOG_ALWAYS(pt->level, cat.c_str(), "PERF " << std::string((size-1) * 2, ' ') << " " << pt->name);
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}
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pt->started = true;
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}
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}
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performance_timers->push_back(this);
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}
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PerformanceTimer::~PerformanceTimer()
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{
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if (!paused)
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ticks = get_tick_count() - ticks;
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}
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LoggingPerformanceTimer::~LoggingPerformanceTimer()
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{
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pause();
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performance_timers->pop_back();
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const bool log = ELPP->vRegistry()->allowed(level, cat.c_str());
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if (log)
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{
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char s[12];
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snprintf(s, sizeof(s), "%8llu ", (unsigned long long)(ticks_to_ns(ticks) / (1000000000 / unit)));
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size_t size = 0; for (const auto *tmp: *performance_timers) if (!tmp->paused || tmp==this) ++size;
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PERF_LOG_ALWAYS(level, cat.c_str(), "PERF " << s << std::string(size * 2, ' ') << " " << name);
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}
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if (performance_timers->empty())
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{
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delete performance_timers;
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performance_timers = NULL;
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}
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}
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void PerformanceTimer::pause()
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{
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if (paused)
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return;
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ticks = get_tick_count() - ticks;
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paused = true;
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}
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void PerformanceTimer::resume()
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{
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if (!paused)
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return;
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ticks = get_tick_count() - ticks;
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paused = false;
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}
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void PerformanceTimer::reset()
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{
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if (paused)
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ticks = 0;
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else
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ticks = get_tick_count();
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}
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uint64_t PerformanceTimer::value() const
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{
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uint64_t v = ticks;
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if (!paused)
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v = get_tick_count() - v;
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return ticks_to_ns(v);
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}
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}
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