X-Git-Url: https://git.kernel.dk/?a=blobdiff_plain;ds=sidebyside;f=README;h=e933bd55ef356a4eadebfc7bd1a9345ee094fd95;hb=062c6022d41233523669188e876e913abd6c4e2e;hp=a13151ce5ce0720715bbc27926cde4eb135ea79e;hpb=ee56ad500f6692381e131cc37299d23fa910a24a;p=fio.git

diff --git a/README b/README
index a13151ce..e933bd55 100644
--- a/README
+++ b/README
@@ -64,7 +64,7 @@ Command line
 $ fio
         --debug         Enable some debugging options (see below)
         --output        Write output to file
-        --runtime       Runtime in seconds
+        --timeout       Runtime in seconds
         --latency-log   Generate per-job latency logs
         --bandwidth-log Generate per-job bandwidth logs
         --minimal       Minimal (terse) output
@@ -72,7 +72,7 @@ $ fio
 	--help		Print this page
 	--cmdhelp=cmd	Print command help, "all" for all of them
 	--showcmd	Turn a job file into command line options
-	--readonly	Turn on safety read-only checks
+	--readonly	Turn on safety read-only checks, preventing writes
 	--eta=when	When ETA estimate should be printed
 			May be "always", "never" or "auto"
 
@@ -95,10 +95,13 @@ options in fio. Currently the options are:
 	file		Dump info related to file actions
 	io		Dump info related to IO queuing
 	mem		Dump info related to memory allocations
+	blktrace	Dump info related to blktrace setup
+	verify		Dump info related to IO verification
+	all		Enable all debug options
+	? or help	Show available debug options.
 
 You can specify as many as you want, eg --debug=file,mem will enable
-file and memory debugging. Specifying --debug=help or --debug=? will
-dump the current modifier list.
+file and memory debugging.
 
 
 Job file
@@ -133,14 +136,16 @@ The job file parameters are:
 	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,
-			psync for regular pread/pwrite io, mmap for mmap'ed io,
-			syslet-rw for syslet driven read/write, splice for using
-			splice/vmsplice, sgio for direct SG_IO io, net for
-			network io, or cpuio for a cycler burner load. sgio only
-			works on Linux on SCSI (or SCSI-like devices, such as
-			usb-storage or sata/libata driven) devices. Fio also has
-			a null io engine, which is mainly used for testing fio
-			itself.
+			psync for regular pread/pwrite io, vsync for regular
+			readv/writev (with queuing emulation) mmap for mmap'ed
+			io, syslet-rw for syslet driven read/write, splice for
+			using splice/vmsplice, sgio for direct SG_IO io, net
+			for network io, or cpuio for a cycler burner load. sgio
+			only works on Linux on SCSI (or SCSI-like devices, such
+			as usb-storage or sata/libata driven) devices. Fio also
+			has a null io engine, which is mainly used for testing
+			fio itself.
+
 	iodepth=x	For async io, allow 'x' ios in flight
 	overwrite=x	If 'x', layout a write file first.
 	nrfiles=x	Spread io load over 'x' number of files per job,