genfio: Claryfing default options

[fio.git] / tools / genfio

diff --git a/tools/genfio b/tools/genfio
index 306d97e5b481288642947d61e39e72aa554b53ff..195a86135e460ef32f0d48d5137744f6ae529195 100755 (executable)
--- a/tools/genfio
+++ b/tools/genfio
@@ -37,20 +37,26 @@ show_help() {
        cat << EOF
 -h                             : Show this help & exit
 -c                             : Enable cached-based IOs
-                                       by default, fio is run in direct mode
+                                       Disabled by default
 -a                             : Run sequential test then parallel one
+                                       Disabled by default
 -s                             : Run sequential test (default value)
                                        one test after another then one disk after another
+                                       Disabled by default
 -p                             : Run parallel test
                                        one test after anoter but all disks at the same time
+                                       Enabled by default
 -d disk1[,disk2,disk3,..]      : Run the tests on the selected disks
                                        Separated each disk with a comma
                                        Disk name shall be "sdxx", /dev/ shall NOT be used here
--r seconds                     : Time in seconds per benchmark (300 as default)
+-r seconds                     : Time in seconds per benchmark
                                        0 means till the end of the device
+                                       Default is 300 seconds
 -b blocksize[,blocksize1, ...]  : The blocksizes to test under fio format (4k, 1m, ...)
                                        Separated each blocksize with a comma
+                                       Default is 4k
 -m mode1,[mode2,mode3, ...]     : Define the fio IO profile to use like read, write, randread, randwrite
+                                       Default is "read,write,randread,randwrite"
 
 Example:
 
@@ -229,7 +235,8 @@ esac
 
 if [ -z "$DISKS" ]; then
        echo "Missing DISKS !"
-       echo "Exiting !"
+       echo "Please read the help !"
+       show_help
        exit 1
 fi