X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=options.c;h=3de0221e26eb5ab03d4f6e664be41e5c50ce5bb6;hp=bd8141a83f34d8a012742991dbd1422fb20c54d6;hb=ea1fd2e63ed831ae038b2778e1474517bfb15da3;hpb=9e684a4976b7934f5ce011ea281dfef3352e5738

diff --git a/options.c b/options.c
index bd8141a8..3de0221e 100644
--- a/options.c
+++ b/options.c
@@ -245,12 +245,9 @@ static int str_verify_cb(void *data, const char *mem)
 {
 	struct thread_data *td = data;
 
-	if (td->o.verify != VERIFY_CRC32C_INTEL)
-		return 0;
-
-	if (!crc32c_intel_works()) {
-		log_info("fio: System does not support hw accelerated crc32c. Falling back to sw crc32c.\n");
-		td->o.verify = VERIFY_CRC32C;
+	if (td->o.verify == VERIFY_CRC32C_INTEL ||
+	    td->o.verify == VERIFY_CRC32C) {
+		crc32c_intel_probe();
 	}
 
 	return 0;
@@ -1121,6 +1118,14 @@ static struct fio_option options[FIO_MAX_OPTS] = {
 		.help	= "Start IO from this offset",
 		.def	= "0",
 	},
+	{
+		.name	= "offset_increment",
+		.type	= FIO_OPT_STR_VAL,
+		.off1	= td_var_offset(offset_increment),
+		.help	= "What is the increment from one offset to the next",
+		.parent = "offset",
+		.def	= "0",
+	},
 	{
 		.name	= "bs",
 		.alias	= "blocksize",
@@ -1482,12 +1487,12 @@ static struct fio_option options[FIO_MAX_OPTS] = {
 			    .help = "Use crc32 checksums for verification",
 			  },
 			  { .ival = "crc32c-intel",
-			    .oval = VERIFY_CRC32C_INTEL,
-			    .help = "Use hw crc32c checksums for verification",
+			    .oval = VERIFY_CRC32C,
+			    .help = "Use crc32c checksums for verification (hw assisted, if available)",
 			  },
 			  { .ival = "crc32c",
 			    .oval = VERIFY_CRC32C,
-			    .help = "Use crc32c checksums for verification",
+			    .help = "Use crc32c checksums for verification (hw assisted, if available)",
 			  },
 			  { .ival = "crc16",
 			    .oval = VERIFY_CRC16,
@@ -2016,6 +2021,21 @@ static struct fio_option options[FIO_MAX_OPTS] = {
 		.help	= "Slightly scramble buffers on every IO submit",
 		.def	= "1",
 	},
+	{
+		.name	= "buffer_compress_percentage",
+		.type	= FIO_OPT_INT,
+		.off1	= td_var_offset(compress_percentage),
+		.maxval	= 100,
+		.minval	= 1,
+		.help	= "How compressible the buffer is (approximately)",
+	},
+	{
+		.name	= "buffer_compress_chunk",
+		.type	= FIO_OPT_INT,
+		.off1	= td_var_offset(compress_chunk),
+		.parent	= "buffer_compress_percentage",
+		.help	= "Size of compressible region in buffer",
+	},
 	{
 		.name	= "clat_percentiles",
 		.type	= FIO_OPT_BOOL,