#include <sys/types.h>
#include <sys/sysctl.h>
#include <err.h>
#include <stdlib.h>

#define	BUFSZ	(16 * 1024 * 1024)

int
main(void)
{
	char *buf;
	size_t sz;
	int i, mib[3];

	buf = calloc(1, BUFSZ);
	if (buf == NULL)
		err(1, "calloc");

	mib[0] = CTL_KERN;
	mib[1] = KERN_PROC;
	mib[2] = KERN_PROC_ALL;
	for (i = 0; i < 2000; i++) {
		sz = BUFSZ;
		if (sysctl(mib, sizeof(mib) / sizeof(mib[0]), buf, &sz, NULL,
		    0) != 0)
			err(1, "sysctl");
	}
	return (0);
}