test/sysperf/syscall4.c

   1 /*
   2  * syscall1.c
   3  *
   4  * $DragonFly: src/test/sysperf/syscall4.c,v 1.1 2003/11/19 00:59:19 dillon Exp $
   5  */
   6
   7 #include "blib.h"
   8
   9 int
  10 main(int ac, char **av)
  11 {
  12     const char *path;
  13     long long count = 0;
  14     long long max;
  15     struct stat st;
  16     int j;
  17
  18     printf("timing standard stat() syscall\n");
  19     if (ac > 1)
  20         path = av[1];
  21     else
  22         path = ".";
  23
  24     start_timing();
  25     while (stop_timing(0, NULL) == 0) {
  26         for (j = 0; j < 100; ++j)
  27             stat(path, &st);
  28         count += 100;
  29     }
  30     max = count;
  31     start_timing();
  32     for (count = 0; count < max; count += 100) {
  33         for (j = 0; j < 100; ++j)
  34             stat(path, &st);
  35     }
  36     stop_timing(count, "stat()");
  37     return(0);
  38 }
  39