Electroneum
performance_utils.h
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1 // Copyrights(c) 2017-2021, The Electroneum Project
2 // Copyrights(c) 2014-2019, The Monero Project
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30 // Parts of this file are originally copyright (c) 2012-2013 The Cryptonote developers
31 
32 #pragma once
33 
34 #include <iostream>
35 
36 #include <boost/config.hpp>
37 
38 #ifdef BOOST_WINDOWS
39 #include <windows.h>
40 #endif
41 
42 void set_process_affinity(int core)
43 {
44 #if defined (__APPLE__) || defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__DragonFly__) || defined(__NetBSD__) || defined(__sun)
45  return;
46 #elif defined(BOOST_WINDOWS)
47  DWORD_PTR mask = 1;
48  for (int i = 0; i < core; ++i)
49  {
50  mask <<= 1;
51  }
52  ::SetProcessAffinityMask(::GetCurrentProcess(), core);
53 #elif defined(BOOST_HAS_PTHREADS)
54  cpu_set_t cpuset;
55  CPU_ZERO(&cpuset);
56  CPU_SET(core, &cpuset);
57  if (0 != ::pthread_setaffinity_np(::pthread_self(), sizeof(cpuset), &cpuset))
58  {
59  std::cout << "pthread_setaffinity_np - ERROR" << std::endl;
60  }
61 #endif
62 }
63 
65 {
66 #if defined(__APPLE__) || defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__DragonFly__) || defined(_NetBSD_) || defined(__sun)
67  return;
68 #elif defined(BOOST_WINDOWS)
69  ::SetPriorityClass(::GetCurrentProcess(), HIGH_PRIORITY_CLASS);
70 #elif defined(BOOST_HAS_PTHREADS)
71  pthread_attr_t attr;
72  int policy = 0;
73  int max_prio_for_policy = 0;
74 
75  ::pthread_attr_init(&attr);
76  ::pthread_attr_getschedpolicy(&attr, &policy);
77  max_prio_for_policy = ::sched_get_priority_max(policy);
78 
79  if (0 != ::pthread_setschedprio(::pthread_self(), max_prio_for_policy))
80  {
81  std::cout << "pthread_setschedprio - ERROR" << std::endl;
82  }
83 
84  ::pthread_attr_destroy(&attr);
85 #endif
86 }
void set_process_affinity(int core)
void set_thread_high_priority()