1 /* 2 * Copyright 2005, Axel Dörfler, axeld@pinc-software.de. 3 * Distributed under the terms of the MIT License. 4 */ 5 6 7 #include <OS.h> 8 #include <stdio.h> 9 10 #ifdef __HAIKU__ 11 # include <syscalls.h> 12 #endif 13 14 15 int 16 main(int argc, char **argv) 17 { 18 const int32 loops = 100000; 19 bigtime_t startTime = system_time(); 20 21 for (int32 i = 0; i < loops; i++) { 22 #ifdef __HAIKU__ 23 _kern_is_computer_on(); 24 #else 25 is_computer_on(); 26 #endif 27 } 28 29 bigtime_t runTime = system_time() - startTime; 30 31 // empty loop time 32 33 startTime = system_time(); 34 35 for (int32 i = 0; i < loops; i++) 36 ; 37 38 runTime -= system_time() - startTime; 39 40 printf("%f usecs/syscall\n", 1.0 * runTime / loops); 41 return 0; 42 } 43