simple malloc test for systems comparison

#include <stdlib.h>
#include <stdio.h>
#include <errno.h>
static int *intarr;
static const int iMax = 200000;
static const int iiMax = 500000;
int main()
{
int i;
for(i=0; i<iiMax; i++)
{
intarr = (int *) malloc(sizeof(int)*iMax);
if (errno)
{
perror(sys_errlist[errno]);
break;
}
else
printf("ok\n");
}
char c;
printf("%d",i*iMax);
scanf("%c",&c);
return 0;
}



output of top on centos:

top - 20:53:09 up 2 days, 22:52,  9 users,  load average: 2.74, 1.13, 0.77
Tasks: 168 total,   1 running, 167 sleeping,   0 stopped,   0 zombie
Cpu(s):  3.6%us,  1.7%sy,  0.0%ni, 94.2%id,  0.3%wa,  0.2%hi,  0.0%si,  0.0%st

PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND                   
28315 rtg       16   0  290g 999m  596 S    0 53.1   0:06.64 my_tst                     
4296 rtg       15   0  451m 5268 2360 S    0  0.3   0:20.46 nautilus