/* XMRig * Copyright (c) 2018-2020 SChernykh * Copyright (c) 2016-2020 XMRig , * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see . */ #include "crypto/rx/Profiler.h" #include "base/io/log/Log.h" #include "base/io/log/Tags.h" #include #include #include #include #include #ifdef XMRIG_FEATURE_PROFILING ProfileScopeData* ProfileScopeData::s_data[MAX_DATA_COUNT] = {}; volatile long ProfileScopeData::s_dataCount = 0; double ProfileScopeData::s_tscSpeed = 0.0; #ifndef NOINLINE #ifdef __GNUC__ #define NOINLINE __attribute__ ((noinline)) #elif _MSC_VER #define NOINLINE __declspec(noinline) #else #define NOINLINE #endif #endif static std::string get_thread_id() { std::stringstream ss; ss << std::this_thread::get_id(); std::string s = ss.str(); if (s.length() > ProfileScopeData::MAX_THREAD_ID_LENGTH) { s.resize(ProfileScopeData::MAX_THREAD_ID_LENGTH); } return s; } NOINLINE void ProfileScopeData::Register(ProfileScopeData* data) { #ifdef _MSC_VER const long id = _InterlockedIncrement(&s_dataCount) - 1; #else const long id = __sync_fetch_and_add(&s_dataCount, 1); #endif if (static_cast(id) < MAX_DATA_COUNT) { s_data[id] = data; const std::string s = get_thread_id(); memcpy(data->m_threadId, s.c_str(), s.length() + 1); } } NOINLINE void ProfileScopeData::Init() { using namespace std::chrono; const uint64_t t1 = static_cast(time_point_cast(high_resolution_clock::now()).time_since_epoch().count()); const uint64_t count1 = ReadTSC(); for (;;) { const uint64_t t2 = static_cast(time_point_cast(high_resolution_clock::now()).time_since_epoch().count()); const uint64_t count2 = ReadTSC(); if (t2 - t1 > 1000000000) { s_tscSpeed = (count2 - count1) * 1e9 / (t2 - t1); LOG_INFO("%s TSC speed = %.3f GHz", xmrig::Tags::profiler(), s_tscSpeed / 1e9); return; } } } #endif /* XMRIG_FEATURE_PROFILING */