Linux 线程占用CPU过高定位分析

 1 #include <iostream>
 2 #include <thread>
 3 #include <vector>
 4 
 5 
 6 int main(int argc, char **argv) {
 7   
 8     std::vector<std::thread> test_threads;
 9     for(int i = 0; i < 9; i++){
10       test_threads.push_back(std::thread([]{
11     while(1){
12       std::this_thread::sleep_for(std::chrono::milliseconds(500));
13     }
14       }));
15     }
16     test_threads.push_back(std::thread([]{
17       while(1){
18     　　std::cout<<"cpu"<<std::endl;
19       }
20     }));
21     
22     for(auto &x : test_threads){
23       x.join();
24     }
25     
26     return 0;
27 }