Swap test program

swap_test.c

// $ gcc swap_test.c -o swap_test
// $ sudo sysctl vm.swappiness=100
// $ ./swap_test
#include <stdlib.h>
#include <stdio.h>
#include <string.h>

int main(int argc, char** argv) {
	int max = -1;
	int mb = 0;
	char* buffer;

	if(argc > 1)
		max = atoi(argv[1]);

	while((buffer=malloc(10*1024*1024)) != NULL && mb != max) {
		memset(buffer, 0, 10*1024*1024);
		mb+=10;
		printf("Allocated %d MB\n", mb);
		sleep(1);
	}      
	return 0;
}