global foo

probe begin
{
	foo <<< -1
	foo <<< 1
	print(@hist_log(foo))
	foreach (bucket in @hist_log(foo))
		if (@hist_log(foo)[bucket])
                	printf("bucket %d: %d\n", bucket, @hist_log(foo)[bucket])
	print("\n\n\n")
	delete foo


	foo <<< 0
	print(@hist_log(foo))
	foreach (bucket in @hist_log(foo))
		if (@hist_log(foo)[bucket])
                	printf("bucket %d: %d\n", bucket, @hist_log(foo)[bucket])
	print("\n\n\n")
	delete foo

	foo <<< 0x7fffffffffffffff
	print(@hist_log(foo))
	foreach (bucket in @hist_log(foo))
		if (@hist_log(foo)[bucket])
                	printf("bucket %d: %d\n", bucket, @hist_log(foo)[bucket])
	print("\n\n\n")
	delete foo

	foo <<< 1
	foo <<< 2
	foo <<< 3
	foo <<< 4
	print(@hist_log(foo))
	foreach (bucket in @hist_log(foo))
		if (@hist_log(foo)[bucket])
                	printf("bucket %d: %d\n", bucket, @hist_log(foo)[bucket])
	exit()
}