$ fio
--debug Enable some debugging options (see below)
--output Write output to file
- --timeout Runtime in seconds
+ --runtime Runtime in seconds
--latency-log Generate per-job latency logs
--bandwidth-log Generate per-job bandwidth logs
--minimal Minimal (terse) output
--version Print version info and exit
- --terse-version=type Terse version output format (default 3, or 2).
+ --terse-version=type Terse version output format (default 3, or 2 or 4).
--help Print this page
--cmdhelp=cmd Print command help, "all" for all of them
--enghelp=engine Print ioengine help, or list available ioengines
May be "always", "never" or "auto"
--section=name Only run specified section in job file.
Multiple sections can be specified.
- --alloc-size=kb Set smalloc pool to this size in kb (def 1024)
- --warnings-fatal Fio parser warnings are fatal
+ --alloc-size=kb Set smalloc pool to this size in kb (def 1024)
+ --warnings-fatal Fio parser warnings are fatal
--max-jobs Maximum number of threads/processes to support
--server=args Start backend server. See Client/Server section.
--client=host Connect to specified backend.
process Dump info related to processes
file Dump info related to file actions
- io Dump info related to IO queuing
- mem Dump info related to memory allocations
+ 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
+ all Enable all debug options
random Dump info related to random offset generation
parse Dump info related to option matching and parsing
diskutil Dump info related to disk utilization updates