X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=README;h=92cf5c4948677df98640b0e093df73a527246aac;hp=3cf3f13395414bcbcf19c0b6246092fd7216455e;hb=8756e4d421722eaeb089067aeaaf317d05d53a57;hpb=4785f99523f5c69635eb4bd826f25cd2e264cda7

diff --git a/README b/README
index 3cf3f133..92cf5c49 100644
--- a/README
+++ b/README
@@ -44,10 +44,10 @@ The <jobs> format is as follows:
 	size=x		Set file size to x bytes (x string can include k/m/g)
 	ioengine=x	'x' may be: aio/libaio/linuxaio for Linux aio,
 			posixaio for POSIX aio, sync for regular read/write io,
-			mmap for mmap'ed io, or sgio for direct SG_IO io. The
-			latter only works on Linux on SCSI (or SCSI-like
-			devices, such as usb-storage or sata/libata driven)
-			devices.
+			mmap for mmap'ed io, splice for using splice/vmsplice,
+			or sgio for direct SG_IO io. The latter only works on
+			Linux on SCSI (or SCSI-like devices, such as
+			usb-storage or sata/libata driven) devices.
 	iodepth=x	For async io, allow 'x' ios in flight
 	overwrite=x	If 'x', layout a write file first.
 	prio=x		Run io at prio X, 0-7 is the kernel allowed range
@@ -86,6 +86,11 @@ The <jobs> format is as follows:
 			can be used to gauge hard drive speed over the entire
 			platter, without reading everything. Both x/y can
 			include k/m/g suffix.
+	iolog=x		Open and read io pattern from file 'x'. The file must
+			contain one io action per line in the following format:
+			rw, offset, length
+			where with rw=0/1 for read/write, and the offset
+			and length entries being in bytes.
 
 
 Examples using a job file