X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=README;h=bc2574e7f781b11815fde6eba24732c5610a0e70;hp=9121d4cf914795b8cb9d745b58066a62a7788681;hb=fc1a471326fb5248a74ed3a206d37884b812c853;hpb=20dc95c47087d486b5d4608fc15b1c2021761923

diff --git a/README b/README
index 9121d4cf..bc2574e7 100644
--- a/README
+++ b/README
@@ -33,19 +33,21 @@ $ fio
 	-l Generate per-job latency logs
 	-w Generate per-job bandwidth logs
 	-f <file> Read <file> for job descriptions
+	-h Print help info
 	-v Print version information and exit
 
 The <jobs> format is as follows:
 
 	directory=x	Use 'x' as the top level directory for storing files
-	rw=x		'x' may be: read, randread, write, or randwrite
+	rw=x		'x' may be: read, randread, write, randwrite,
+			rw (read-write mix), randrw (read-write random mix)
 	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
@@ -71,6 +73,7 @@ The <jobs> format is as follows:
 	bwavgtime=x	Average bandwidth stats over an x msec window.
 	create_serialize=x	If 'x', serialize file creation.
 	create_fsync=x	If 'x', run fsync() after file creation.
+	end_fsync=x	If 'x', run fsync() after end-of-job.
 	loops=x		Run the job 'x' number of times.
 	verify=x	If 'x' == md5, use md5 for verifies. If 'x' == crc32,
 			use crc32 for verifies. md5 is 'safer', but crc32 is
@@ -84,6 +87,11 @@ 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