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# ÐÞˢг̵÷ÀíÕ½ÂÔΪʵʱµ÷ÀíËã·¨
chrt -r -p 99 <PID>

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# ÉèÖÃÀú³ÌµÄÓÅÏȼ¶Îª½Ï¸ß¼¶±ð£¨¹æÄ££º-20 ~ 19£¬-20ÌåÏÖ×î¸ßÓÅÏȼ¶£©
nice -n -10 <command>

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#include <stdio.h>
#include <pthread.h>

void* task(void* arg) {
  // Ï̵߳ÄÏêϸʹÃü
  printf("Hello from thread!
");
  return NULL;
}

int main() {
  pthread_t tid;
  pthread_create(&tid, NULL, task, NULL);
  printf("Hello from main thread!
");
  pthread_join(tid, NULL);  // ÆÚ´ý×ÓÏ߳̿¢ÊÂ
  return 0;
}

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#include <iostream>
#include <unordered_map>

int main() {
  std::unordered_map<int, std::string> map;
  map[1] = "Hello";
  map[2] = "World";
  std::cout << map[1] << " " << map[2] << std::endl;
  return 0;
}

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# ʹÓÃtopÏÂÁîÉó²éCPUʹÓÃÂÊ
top

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# ÉèÖÃCPUƵÂÊΪ×î¸ßÐÔÄÜģʽ
sudo cpupower frequency-set --governor performance

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Linux Manual Pages

pthread Library Documentation

C++ Standard Library Documentation

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