genfio: Adding runtime=0 support

[fio.git] / tools / genfio

diff --git a/tools/genfio b/tools/genfio
index be981be7d3a1ab5d17740fdb806ddf0435ab5391..efc87a29514c72a48c54ff75baa1092c6c919e38 100755 (executable)
--- a/tools/genfio
+++ b/tools/genfio
@@ -44,8 +44,7 @@ show_help() {
                                        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)
-                                       A simple task is set of 4 benchmarks :
-                                       read,write,randread,randwrite
+                                       0 means till the end of the device
 -b blocksize[,blocksize1, ...]  : The blocksizes to test under fio format (4k, 1m, ...)
                                        Separated each blocksize with a comma
 -m mode1,[mode2,mode3, ...]     : Define the fio IO profile to use like read, write, randread, randwrite
@@ -78,11 +77,16 @@ cat >$TEMPLATE << EOF
 [global]
 ioengine=libaio
 invalidate=1
-runtime=$RUNTIME
 ramp_time=5
 direct=1
+EOF
 
+if [ "$RUNTIME" != "0" ]; then
+cat >>$TEMPLATE << EOF
+runtime=$RUNTIME
 EOF
+fi
+
 }
 
 gen_seq_suite() {
@@ -234,4 +238,8 @@ for BLK_SIZE in $(echo $BLOCK_SIZE | tr "," " "); do
 done
 ETA_H=$(($ETA / 3600))
 ETA_M=$((($ETA - ($ETA_H*3600)) / 60))
-echo "Estimated Time = $ETA seconds : $ETA_H hour $ETA_M minutes"
+if [ "$ETA_M" = "0" ]; then
+       echo "Cannot estimate ETA as RUNTIME=0"
+else
+       echo "Estimated Time = $ETA seconds : $ETA_H hour $ETA_M minutes"
+fi