From: Tomohiro Kusumi <tkusumi@xxxxxxxxxx> HOWTO mostly uses tab indentations for command line options and job file parameters, so replace white spaces with tabs. Signed-off-by: Tomohiro Kusumi <tkusumi@xxxxxxxxxx> --- HOWTO | 126 +++++++++++++++++++++++++++++++++--------------------------------- 1 file changed, 63 insertions(+), 63 deletions(-) diff --git a/HOWTO b/HOWTO index e982b1a..0b80a62 100644 --- a/HOWTO +++ b/HOWTO @@ -54,51 +54,51 @@ Command line options .. option:: --debug=type - Enable verbose tracing of various fio actions. May be ``all`` for all types - or individual types separated by a comma (e.g. ``--debug=file,mem`` will - enable file and memory debugging). Currently, additional logging is - available for: + Enable verbose tracing of various fio actions. May be ``all`` for all types + or individual types separated by a comma (e.g. ``--debug=file,mem`` will + enable file and memory debugging). Currently, additional logging is + available for: - *process* + *process* Dump info related to processes. - *file* + *file* Dump info related to file actions. - *io* + *io* Dump info related to I/O queuing. - *mem* + *mem* Dump info related to memory allocations. - *blktrace* + *blktrace* Dump info related to blktrace setup. - *verify* + *verify* Dump info related to I/O verification. - *all* + *all* Enable all debug options. - *random* + *random* Dump info related to random offset generation. - *parse* + *parse* Dump info related to option matching and parsing. - *diskutil* + *diskutil* Dump info related to disk utilization updates. - *job:x* + *job:x* Dump info only related to job number x. - *mutex* + *mutex* Dump info only related to mutex up/down ops. - *profile* + *profile* Dump info related to profile extensions. - *time* + *time* Dump info related to internal time keeping. - *net* + *net* Dump info related to networking connections. - *rate* + *rate* Dump info related to I/O rate switching. - *compress* + *compress* Dump info related to log compress/decompress. - *?* or *help* + *?* or *help* Show available debug options. .. option:: --parse-only - Parse options only, don\'t start any I/O. + Parse options only, don\'t start any I/O. .. option:: --output=filename @@ -124,9 +124,9 @@ Command line options .. option:: --append-terse - Print statistics in selected mode AND terse, semicolon-delimited format. - **Deprecated**, use :option:`--output-format` instead to select multiple - formats. + Print statistics in selected mode AND terse, semicolon-delimited format. + **Deprecated**, use :option:`--output-format` instead to select multiple + formats. .. option:: --terse-version=type @@ -146,9 +146,9 @@ Command line options .. option:: --crctest=[test] - Test the speed of the built-in checksumming functions. If no argument is - given, all of them are tested. Alternatively, a comma separated list can be passed, in - which case the given ones are tested. + Test the speed of the built-in checksumming functions. If no argument is + given, all of them are tested. Alternatively, a comma separated list can + be passed, in which case the given ones are tested. .. option:: --cmdhelp=command @@ -156,9 +156,9 @@ Command line options .. option:: --enghelp=[ioengine[,command]] - List all commands defined by :option:`ioengine`, or print help for `command` - defined by :option:`ioengine`. If no :option:`ioengine` is given, list all - available ioengines. + List all commands defined by :option:`ioengine`, or print help for `command` + defined by :option:`ioengine`. If no :option:`ioengine` is given, list all + available ioengines. .. option:: --showcmd=jobfile @@ -166,12 +166,12 @@ Command line options .. option:: --readonly - Turn on safety read-only checks, preventing writes. The ``--readonly`` - option is an extra safety guard to prevent users from accidentally starting - a write workload when that is not desired. Fio will only write if - `rw=write/randwrite/rw/randrw` is given. This extra safety net can be used - as an extra precaution as ``--readonly`` will also enable a write check in - the I/O engine core to prevent writes due to unknown user space bug(s). + Turn on safety read-only checks, preventing writes. The ``--readonly`` + option is an extra safety guard to prevent users from accidentally starting + a write workload when that is not desired. Fio will only write if + `rw=write/randwrite/rw/randrw` is given. This extra safety net can be used + as an extra precaution as ``--readonly`` will also enable a write check in + the I/O engine core to prevent writes due to unknown user space bug(s). .. option:: --eta=when @@ -190,30 +190,30 @@ Command line options .. option:: --section=name - Only run specified section `name` in job file. Multiple sections can be specified. - The ``--section`` option allows one to combine related jobs into one file. - E.g. one job file could define light, moderate, and heavy sections. Tell - fio to run only the "heavy" section by giving ``--section=heavy`` - command line option. One can also specify the "write" operations in one - section and "verify" operation in another section. The ``--section`` option - only applies to job sections. The reserved *global* section is always - parsed and used. + Only run specified section `name` in job file. Multiple sections can be specified. + The ``--section`` option allows one to combine related jobs into one file. + E.g. one job file could define light, moderate, and heavy sections. Tell + fio to run only the "heavy" section by giving ``--section=heavy`` + command line option. One can also specify the "write" operations in one + section and "verify" operation in another section. The ``--section`` option + only applies to job sections. The reserved *global* section is always + parsed and used. .. option:: --alloc-size=kb - Set the internal smalloc pool size to `kb` in KiB. The - ``--alloc-size`` switch allows one to use a larger pool size for smalloc. - If running large jobs with randommap enabled, fio can run out of memory. - Smalloc is an internal allocator for shared structures from a fixed size - memory pool and can grow to 16 pools. The pool size defaults to 16MiB. + Set the internal smalloc pool size to `kb` in KiB. The + ``--alloc-size`` switch allows one to use a larger pool size for smalloc. + If running large jobs with randommap enabled, fio can run out of memory. + Smalloc is an internal allocator for shared structures from a fixed size + memory pool and can grow to 16 pools. The pool size defaults to 16MiB. - NOTE: While running :file:`.fio_smalloc.*` backing store files are visible - in :file:`/tmp`. + NOTE: While running :file:`.fio_smalloc.*` backing store files are visible + in :file:`/tmp`. .. option:: --warnings-fatal - All fio parser warnings are fatal, causing fio to exit with an - error. + All fio parser warnings are fatal, causing fio to exit with an + error. .. option:: --max-jobs=nr @@ -221,17 +221,17 @@ Command line options .. option:: --server=args - Start a backend server, with `args` specifying what to listen to. - See `Client/Server`_ section. + Start a backend server, with `args` specifying what to listen to. + See `Client/Server`_ section. .. option:: --daemonize=pidfile - Background a fio server, writing the pid to the given `pidfile` file. + Background a fio server, writing the pid to the given `pidfile` file. .. option:: --client=hostname - Instead of running the jobs locally, send and run them on the given host or - set of hosts. See `Client/Server`_ section. + Instead of running the jobs locally, send and run them on the given host or + set of hosts. See `Client/Server`_ section. .. option:: --remote-config=file @@ -448,7 +448,7 @@ automatically substituted with the current system values when the job is run. Simple math is also supported on these keywords, so you can perform actions like:: - size=8*$mb_memory + size=8*$mb_memory and get that properly expanded to 8 times the size of memory in the machine. @@ -477,7 +477,7 @@ Parameter types ~~~~~~~~~~~~~~~ **str** - String. This is a sequence of alpha characters. + String: A sequence of alphanumeric characters. **time** Integer with possible time suffix. Without a unit value is interpreted as @@ -491,7 +491,7 @@ Parameter types Integer. A whole number value, which may contain an integer prefix and an integer suffix: - [*integer prefix*] **number** [*integer suffix*] + [*integer prefix*] **number** [*integer suffix*] The optional *integer prefix* specifies the number's base. The default is decimal. *0x* specifies hexadecimal. -- 2.9.4 -- To unsubscribe from this list: send the line "unsubscribe fio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html