Нагрузка в Linux

k
               cpu-time averaged core usage, in 1k units

unsigned long num_calls;  /* how many times this command called */
double mem_usage;		/* total memory usage */
//skip
#define NC s->num_calls
#define DNC ((double) NC) 
#define K s->mem_usage
//skip

      /* I don't understand why this works.  ac_mem is in pages, isn't it,                                        
      * and dividing that by the number of KB per page can't give the                                            
      * right number, i.e ac_mem=10 and getpagesize=4096 then                                                    
      * 10/(4096/1024) == 10/4 = 2.5 and not 40 KB.  Or am I missing                                             
      * something? */

      if (print_ksec)
        printf ("%9.0fk*sec", (CP ? ((K * CP) / DNC) : K));
      else
        printf ("%9.0fk", K / DNC); //here are our units