initial import of Monero base code

2023-07-16 22:00:52 +01:00
parent 2af40522f9
commit bf78bd79a1
1294 changed files with 659699 additions and 0 deletions
@@ -0,0 +1,197 @@
+// Copyright (c) 2016-2023, 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.
+
+#include <vector>
+#include "time_helper.h"
+#include "perf_timer.h"
+
+#undef MONERO_DEFAULT_LOG_CATEGORY
+#define MONERO_DEFAULT_LOG_CATEGORY "perf"
+
+#define PERF_LOG_ALWAYS(level, cat, x) \
+  el::base::Writer(level, el::Color::Default, __FILE__, __LINE__, ELPP_FUNC, el::base::DispatchAction::FileOnlyLog).construct(cat) << x
+#define PERF_LOG(level, cat, x) \
+  do { \
+    if (ELPP->vRegistry()->allowed(level, cat)) PERF_LOG_ALWAYS(level, cat, x); \
+  } while(0)
+
+namespace tools
+{
+  uint64_t get_tick_count()
+  {
+#if defined(__x86_64__)
+    uint32_t hi, lo;
+    __asm__ volatile("rdtsc" : "=a"(lo), "=d"(hi));
+    return (((uint64_t)hi) << 32) | (uint64_t)lo;
+#else
+    return epee::misc_utils::get_ns_count();
+#endif
+  }
+
+#ifdef __x86_64__
+  uint64_t get_ticks_per_ns()
+  {
+    uint64_t t0 = epee::misc_utils::get_ns_count(), t1;
+    uint64_t r0 = get_tick_count();
+
+    while (1)
+    {
+      t1 = epee::misc_utils::get_ns_count();
+      if (t1 - t0 > 1*100000000) break; // work 0.1 seconds
+    }
+
+    uint64_t r1 = get_tick_count();
+    uint64_t tpns256 = 256 * (r1 - r0) / (t1 - t0);
+    return tpns256 ? tpns256 : 1;
+  }
+#endif
+
+#ifdef __x86_64__
+  uint64_t ticks_per_ns = get_ticks_per_ns();
+#endif
+
+  uint64_t ticks_to_ns(uint64_t ticks)
+  {
+#if defined(__x86_64__)
+    return 256 * ticks / ticks_per_ns;
+#else
+    return ticks;
+#endif
+  }
+}
+
+namespace tools
+{
+
+el::Level performance_timer_log_level = el::Level::Info;
+
+static __thread std::vector<LoggingPerformanceTimer*> *performance_timers = NULL;
+
+void set_performance_timer_log_level(el::Level level)
+{
+  if (level != el::Level::Debug && level != el::Level::Trace && level != el::Level::Info
+   && level != el::Level::Warning && level != el::Level::Error && level != el::Level::Fatal)
+  {
+    MERROR("Wrong log level: " << el::LevelHelper::convertToString(level) << ", using Info");
+    level = el::Level::Info;
+  }
+  performance_timer_log_level = level;
+}
+
+PerformanceTimer::PerformanceTimer(bool paused): started(true), paused(paused)
+{
+  if (paused)
+    ticks = 0;
+  else
+    ticks = get_tick_count();
+}
+
+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)
+{
+  const bool log = ELPP->vRegistry()->allowed(level, cat.c_str());
+  if (!performance_timers)
+  {
+    if (log)
+      PERF_LOG_ALWAYS(level, cat.c_str(), "PERF             ----------");
+    performance_timers = new std::vector<LoggingPerformanceTimer*>();
+    performance_timers->reserve(16); // how deep before realloc
+  }
+  else
+  {
+    LoggingPerformanceTimer *pt = performance_timers->back();
+    if (!pt->started && !pt->paused)
+    {
+      if (log)
+      {
+        size_t size = 0; for (const auto *tmp: *performance_timers) if (!tmp->paused) ++size;
+        PERF_LOG_ALWAYS(pt->level, cat.c_str(), "PERF           " << std::string((size-1) * 2, ' ') << "  " << pt->name);
+      }
+      pt->started = true;
+    }
+  }
+  performance_timers->push_back(this);
+}
+
+PerformanceTimer::~PerformanceTimer()
+{
+  if (!paused)
+    ticks = get_tick_count() - ticks;
+}
+
+LoggingPerformanceTimer::~LoggingPerformanceTimer()
+{
+  pause();
+  performance_timers->pop_back();
+  const bool log = ELPP->vRegistry()->allowed(level, cat.c_str());
+  if (log)
+  {
+    char s[12];
+    snprintf(s, sizeof(s), "%8llu  ", (unsigned long long)(ticks_to_ns(ticks) / (1000000000 / unit)));
+    size_t size = 0; for (const auto *tmp: *performance_timers) if (!tmp->paused || tmp==this) ++size;
+    PERF_LOG_ALWAYS(level, cat.c_str(), "PERF " << s << std::string(size * 2, ' ') << "  " << name);
+  }
+  if (performance_timers->empty())
+  {
+    delete performance_timers;
+    performance_timers = NULL;
+  }
+}
+
+void PerformanceTimer::pause()
+{
+  if (paused)
+    return;
+  ticks = get_tick_count() - ticks;
+  paused = true;
+}
+
+void PerformanceTimer::resume()
+{
+  if (!paused)
+    return;
+  ticks = get_tick_count() - ticks;
+  paused = false;
+}
+
+void PerformanceTimer::reset()
+{
+  if (paused)
+    ticks = 0;
+  else
+    ticks = get_tick_count();
+}
+
+uint64_t PerformanceTimer::value() const
+{
+  uint64_t v = ticks;
+  if (!paused)
+    v = get_tick_count() - v;
+  return ticks_to_ns(v);
+}
+
+}