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  1. #include <iostream>
  2. #include <vector>
  3. #include <string>
  4. #include <chrono>
  5.  
  6. #include <execinfo.h>
  7.  
  8.  
  9. using namespace std;
  10.  
  11.  
  12. static size_t backtrace_size;
  13.  
  14.  
  15. const size_t max_backtrace_size = 100;
  16. void *backtrace_buf[max_backtrace_size];   
  17. static void track()
  18. {
  19.     if(backtrace_size > 0)
  20.         ::backtrace(backtrace_buf, backtrace_size);
  21. }
  22.  
  23.  
  24. static void op(size_t i)
  25. {
  26.     if(i == 0)
  27.     {
  28.         track();
  29.         return;
  30.     }
  31.     op(i - 1);
  32. }
  33.  
  34.  
  35. int main(int argc, char *argv[])
  36. {
  37.     const size_t stack_depth = stoll(string(argv[1]));
  38.     backtrace_size = stoll(string(argv[2]));
  39.     const size_t num_its = stoll(string(argv[3]));
  40.  
  41.     const chrono::time_point<std::chrono::system_clock> start = chrono::system_clock::now();
  42.     for(size_t i = 0; i < num_its; ++i)
  43.     {
  44.         op(stack_depth);
  45.     }
  46.     const chrono::time_point<std::chrono::system_clock> end = chrono::system_clock::now();
  47.     cout << std::chrono::duration<double>(end - start).count() << endl;
  48.  
  49.     return 0; 
  50. }
Runtime error #stdin #stdout #stderr 0s 3268KB
comments (?)
stdin 
Standard input is empty
stdout 
Standard output is empty
stderr 
terminate called after throwing an instance of 'std::logic_error'
  what():  basic_string::_S_construct null not valid
https://ideone.com/tT3LQa
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
public

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