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Page size mismatch #69

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11d0652
Fix mismatch in page_size naming
malucius-rh Aug 4, 2026
1c86245
Change page_size to min_file_size
malucius-rh Aug 4, 2026
c5b77e3
Update the docs for s/page_size/min_file_size
malucius-rh Aug 4, 2026
c71cadb
internal doc update to reflect dual usage
malucius-rh Aug 5, 2026
2e259af
update readme to handle dual use of --min_file_size
malucius-rh Aug 5, 2026
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2 changes: 1 addition & 1 deletion README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -51,7 +51,7 @@ File & Filesystem Options:
Iozone-Specific Options:
--iozone_kit <kit>: Iozone package to download (default: iozone3_490).
--auto: Use auto-mode testing instead of throughput mode.
--page_size <KB>: Minimum file size for auto-mode (default: 1024 KB).
--min_file_size <KB>: Minimum file size for auto-mode and record size for throughput mode (default: 1024 KB).
--quick <factor>: Divisor for in-cache memory to speed up tests (default: 1).
--test_type <0,1,2,...>: Iozone test types (0=write, 1=read, etc.; default: 0,1).
--iozone_options <args>: Additional iozone arguments passed directly to the binary.
Expand Down
24 changes: 12 additions & 12 deletions iozone/iozone_run.sh
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Expand Up @@ -90,7 +90,7 @@ results_dir=`pwd`/results
devices_to_use="grab_disks"
out_dir=""
mount_location="/iozone/iozone"
page_size=1024
min_file_size=1024
total_memory=0
memory4_pagecache=0
incache_memory=0
Expand Down Expand Up @@ -227,7 +227,7 @@ usage()
echo "auto: operate in auto mode"
echo "iozone_umount: remount between tests. Only 1 mount point supported."
echo " Defaul is no"
echo "page_size <x>: Minimum file size in kBytes for auto mode. Default is 1024"
echo "min_file_size <x>: Minimum file size in kBytes for auto mode and record size for throughput mode. Default is 1024"
echo "quick <x>: Factor used to speed-up the runs."
echo " incache_memory=incache_memory/do_quick. Default is 1"
echo "test_type: Comma separated list of tests to run. Default is 0,1"
Expand Down Expand Up @@ -680,8 +680,8 @@ do_test_actual()
else
let "file_size=$max_file_size"
echo ================================================ >> ${iozone_output_file}
echo ${iozone_exe} -R ${4} ${6} -r ${page_size} -s${file_size}g -c -w -C ${iozone_args}-F ${5} >> ${iozone_output_file}
time taskset -c 0 ${iozone_exe} -R ${4} ${6} -r ${page_size} -s${file_size}g -c -w -C ${iozone_args} -F ${5} >> ${iozone_output_file}
echo ${iozone_exe} -R ${4} ${6} -r ${min_file_size} -s${file_size}g -c -w -C ${iozone_args}-F ${5} >> ${iozone_output_file}
time taskset -c 0 ${iozone_exe} -R ${4} ${6} -r ${min_file_size} -s${file_size}g -c -w -C ${iozone_args} -F ${5} >> ${iozone_output_file}
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status=$?
fi

Expand Down Expand Up @@ -935,7 +935,7 @@ print_system_and_run_info()
fmt_printline " readahead for LUN above" "${readahead}"
echo ""
fmt_printline "IOZONE version" `${iozone_exe} -v | grep Version | awk '{ print $3 }'`
fmt_printline " Smallest file to work on" "${page_size} (KB)"
fmt_printline " Smallest file to work on" "${min_file_size} (KB)"
fmt_printline " 90% of Free disk space available" "${free_space} (MB)"

if [ ${do_incache} -eq 1 ]; then
Expand Down Expand Up @@ -999,22 +999,22 @@ execute_iozone()
#Avoid mixing auto flags with throughput mode flags
if [[ ${auto} == 1 ]]; then
if [[ ${do_incache} -eq 1 ]]; then
test_specific_args=" -n ${page_size}k -g ${incache_maxfile}m -y 1k -q 1m"
test_specific_args=" -n ${min_file_size}k -g ${incache_maxfile}m -y 1k -q 1m"
do_test "In_Cache" "incache" ${test_specific_args}
fi

if [[ ${do_incache_fsync} -eq 1 ]]; then
test_specific_args=" -n ${page_size}k -g ${incache_maxfile}m -y 1k -q 1m -e"
test_specific_args=" -n ${min_file_size}k -g ${incache_maxfile}m -y 1k -q 1m -e"
do_test "In_Cache_+_Fsync" "incache+fsync" ${test_specific_args}
fi

if [[ ${do_incache_mmap} -eq 1 ]]; then
test_specific_args=" -n ${page_size}k -g ${incache_maxfile}m -y 1k -q 1m -B"
test_specific_args=" -n ${min_file_size}k -g ${incache_maxfile}m -y 1k -q 1m -B"
do_test "In_Cache_w_MMAP" "incache+mmap" ${test_specific_args}
fi

if [[ ${do_dio} -eq 1 ]]; then
test_specific_args="-I -n ${page_size}k -g ${dio_maxfile}m -y 64k -q 1m -i 0 -i 1 -i 2 -i 3 -i 4 -i 5"
test_specific_args="-I -n ${min_file_size}k -g ${dio_maxfile}m -y 64k -q 1m -i 0 -i 1 -i 2 -i 3 -i 4 -i 5"
do_test "Direct_IO" "directio" ${test_specific_args}
fi

Expand Down Expand Up @@ -1538,7 +1538,7 @@ ARGUMENT_LIST=(
"iterations"
"iozone_options"
"outcache_multiplier"
"page_size"
"min_file_size"
"quick"
"results_dir"
"test_prefix"
Expand Down Expand Up @@ -1667,8 +1667,8 @@ while [[ $# -gt 0 ]]; do
outcache_multiplier=$2
shift 1
;;
--pagesize)
pagesize=$2
--min_file_size)
min_file_size=$2
shift 1
;;
--quick)
Expand Down
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