X-Git-Url: https://git.kernel.dk/?a=blobdiff_plain;f=options.c;h=7a4e7b5773c4fb675779addb179d0a8863a26400;hb=d5d94597468c6fc9821149b113f03839d7c948c8;hp=f5cab6558c8d636411f4055370019d47dedb619b;hpb=8f91cc3f7835cdca84944d456e1da77d44a7c354;p=fio.git

diff --git a/options.c b/options.c
index f5cab655..7a4e7b57 100644
--- a/options.c
+++ b/options.c
@@ -376,6 +376,23 @@ static int str_rwmix_write_cb(void *data, unsigned long long *val)
 	return 0;
 }
 
+static int str_perc_rand_cb(void *data, unsigned long long *val)
+{
+	struct thread_data *td = data;
+
+	td->o.perc_rand = *val;
+	return 0;
+}
+
+static int str_perc_seq_cb(void *data, unsigned long long *val)
+{
+	struct thread_data *td = data;
+
+	td->o.perc_rand = 100 - *val;
+	return 0;
+}
+
+
 static int str_exitall_cb(void)
 {
 	exitall_on_terminate = 1;
@@ -805,7 +822,7 @@ static int str_verify_pattern_cb(void *data, const char *input)
 {
 	struct thread_data *td = data;
 	long off;
-	int i = 0, j = 0, len, k, base = 10;
+	int i = 0, j = 0, len, k, base = 10, pattern_length;
 	char *loc1, *loc2;
 
 	loc1 = strstr(input, "0x");
@@ -844,10 +861,23 @@ static int str_verify_pattern_cb(void *data, const char *input)
 	 * Fill the pattern all the way to the end. This greatly reduces
 	 * the number of memcpy's we have to do when verifying the IO.
 	 */
+	pattern_length = i;
 	while (i > 1 && i * 2 <= MAX_PATTERN_SIZE) {
 		memcpy(&td->o.verify_pattern[i], &td->o.verify_pattern[0], i);
 		i *= 2;
 	}
+
+	/*
+	 * Fill remainder, if the pattern multiple ends up not being
+	 * MAX_PATTERN_SIZE.
+	 */
+	while (i > 1 && i < MAX_PATTERN_SIZE) {
+		unsigned int b = min(pattern_length, MAX_PATTERN_SIZE - i);
+
+		memcpy(&td->o.verify_pattern[i], &td->o.verify_pattern[0], b);
+		i += b;
+	}
+
 	if (i == 1) {
 		/*
 		 * The code in verify_io_u_pattern assumes a single byte pattern
@@ -1629,6 +1659,32 @@ struct fio_option fio_options[FIO_MAX_OPTS] = {
 		.category = FIO_OPT_C_IO,
 		.group	= FIO_OPT_G_RANDOM,
 	},
+	{
+		.name	= "percentage_random",
+		.lname	= "Percentage Random",
+		.type	= FIO_OPT_INT,
+		.cb	= str_perc_rand_cb,
+		.maxval	= 100,
+		.help	= "Percentage of seq/random mix that should be random",
+		.def	= "100",
+		.interval = 5,
+		.inverse = "percentage_sequential",
+		.category = FIO_OPT_C_IO,
+		.group	= FIO_OPT_G_RANDOM,
+	},
+	{
+		.name	= "percentage_sequential",
+		.lname	= "Percentage Sequential",
+		.type	= FIO_OPT_INT,
+		.cb	= str_perc_seq_cb,
+		.maxval	= 100,
+		.help	= "Percentage of seq/random mix that should be sequential",
+		.def	= "0",
+		.interval = 5,
+		.inverse = "percentage_random",
+		.category = FIO_OPT_C_IO,
+		.group	= FIO_OPT_G_RANDOM,
+	},
 	{
 		.name	= "nrfiles",
 		.lname	= "Number of files",
@@ -2766,7 +2822,6 @@ struct fio_option fio_options[FIO_MAX_OPTS] = {
 		.type	= FIO_OPT_BOOL,
 		.off1	= td_var_offset(group_reporting),
 		.help	= "Do reporting on a per-group basis",
-		.def	= "1",
 		.category = FIO_OPT_C_STAT,
 		.group	= FIO_OPT_G_INVALID,
 	},