global x, y = 1, z = 2
probe begin {
	printf("BEGIN\n")
	x++; y++; z++
}

probe kernel.function("vfs_read") {
	x++; y++; z++
        exit()
}

probe end {
	if (x == 2 && y == 3 && z == 4)
		printf("END PASS\n")
	else
		printf("END FAIL\n")
}

