X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=README;h=2eec1a2a92d8a92b2296b99c381713c037423144;hp=d5235de39a6ff7dfa32b9e055cbaac5974e7fc2a;hb=ff21745102e2410df4b950ca2ff774ad5ea717d1;hpb=5338f35ddd52203048e2f6262b7254dddc2d8d52 diff --git a/README b/README index d5235de3..2eec1a2a 100644 --- a/README +++ b/README @@ -23,18 +23,41 @@ well. You can download them here: http://brick.kernel.dk/snaps/ -Pascal Bleser has fio RPMs in his repository for -SUSE variants, you can find them here: +Binary packages +--------------- + +Debian: +Starting with Debian "Squeeze", fio packages are part of the official +Debian repository. http://packages.debian.org/search?keywords=fio + +Ubuntu: +Starting with Ubuntu 10.04 LTS (aka "Lucid Lynx"), fio packages are part +of the Ubuntu "universe" repository. +http://packages.ubuntu.com/search?keywords=fio + +SUSE: +Pascal Bleser has fio RPMs in his repository for SUSE +variants, you can find them here: http://linux01.gwdg.de/~pbleser/rpm-navigation.php?cat=System/fio +Red Hat, CentOS & Co: Dag Wieërs has RPMs for Red Hat related distros, find them here: - http://dag.wieers.com/rpm/packages/fio/ +Mandriva: Mandriva has integrated fio into their package repository, so installing on that distro should be as easy as typing 'urpmi fio'. +Solaris: +Packages for Solaris are available from OpenCSW. Install their pkgutil +tool (http://www.opencsw.org/get-it/pkgutil/) and then install fio via +'pkgutil -i fio'. + +Windows: +Bruce Cran has fio packages for Windows at +http://www.bluestop.org/fio . + Mailing list ------------ @@ -48,8 +71,11 @@ majordomo@vger.kernel.org with subscribe fio -in the body of the email. There is no archive for the new list yet, -archives for the old list can be found here: +in the body of the email. Archives can be found here: + +http://www.spinics.net/lists/fio/ + +and archives for the old list can be found here: http://maillist.kernel.dk/fio-devel/ @@ -57,10 +83,14 @@ http://maillist.kernel.dk/fio-devel/ Building -------- -Just type 'make' and 'make install'. If on FreeBSD, for now you have to -specify the FreeBSD Makefile with -f and use gmake (not make), eg: +Just type 'make' and 'make install'. If on BSD, for now you have to +specify the BSD Makefile with -f and use gmake (not make), eg: -$ gmake -f Makefile.Freebsd && gmake -f Makefile.FreeBSD install +$ gmake -f Makefile.FreeBSD && gmake -f Makefile.FreeBSD install + +Same goes for AIX: + +$ gmake -f Makefile.aix && gmake -f Makefile.aix install Likewise with OpenSolaris, use the Makefile.solaris to compile there. The OpenSolaris make should work fine. This might change in the @@ -99,6 +129,7 @@ $ fio May be "always", "never" or "auto" --section=name Only run specified section in job file --alloc-size=kb Set smalloc pool to this size in kb (def 1024) + --warnings-fatal Fio parser warnings are fatal Any parameters following the options will be assumed to be job files, @@ -106,7 +137,7 @@ unless they match a job file parameter. You can add as many as you want, each job file will be regarded as a separate group and fio will stonewall its execution. -The --readonly switch is an extra safety guard to prevent accidentically +The --readonly switch is an extra safety guard to prevent accidentally turning on a write setting when that is not desired. Fio will only write if rw=write/randwrite/rw/randrw is given, but this extra safety net can be used as an extra precaution. It will also enable a write check in the @@ -127,6 +158,8 @@ options in fio. Currently the options are: diskutil Dump info related to disk utilization updates job:x Dump info only related to job number x mutex Dump info only related to mutex up/down ops + profile Dump info related to profile extensions + time Dump info related to internal time keeping ? or help Show available debug options. You can specify as many as you want, eg --debug=file,mem will enable @@ -180,7 +213,8 @@ The job file parameters are: size=x Set file size to x bytes (x string can include k/m/g) ioengine=x 'x' may be: aio/libaio/linuxaio for Linux aio, posixaio for POSIX aio, solarisaio for Solaris - native async IO, sync for regular read/write io, + native async IO, windowsaio for Windows native async IO, + sync for regular read/write io, psync for regular pread/pwrite io, vsync for regular readv/writev (with queuing emulation) mmap for mmap'ed io, syslet-rw for syslet driven read/write, splice for @@ -246,7 +280,9 @@ The job file parameters are: and length entries being in bytes. write_iolog=x Write an iolog to file 'x' in the same format as iolog. The iolog options are exclusive, if both given the - read iolog will be performed. + read iolog will be performed. Specify a separate file + for each job, otherwise the iologs will be interspersed + and the file may be corrupt. write_bw_log Write a bandwidth log. write_lat_log Write a latency log. lockmem=x Lock down x amount of memory on the machine, to @@ -265,10 +301,10 @@ The job file parameters are: Platforms --------- -Fio works on (at least) Linux, Solaris, and FreeBSD. Some features and/or -options may only be available on some of the platforms, typically because -those features only apply to that platform (like the solarisaio engine, or -the splice engine on Linux). +Fio works on (at least) Linux, Solaris, AIX, OSX, NetBSD, Windows and FreeBSD. +Some features and/or options may only be available on some of the platforms, +typically because those features only apply to that platform (like the +solarisaio engine, or the splice engine on Linux). Some features are not available on FreeBSD/Solaris even if they could be implemented, I'd be happy to take patches for that. An example of that is @@ -286,6 +322,23 @@ your mileage may vary. Sending me patches for other platforms is greatly appreciated. There's a lot of value in having the same test/benchmark tool available on all platforms. +Note that POSIX aio is not enabled by default on AIX. If you get messages like: + + Symbol resolution failed for /usr/lib/libc.a(posix_aio.o) because: + Symbol _posix_kaio_rdwr (number 2) is not exported from dependent module /unix. + +you need to enable POSIX aio. Run the following commands as root: + + # lsdev -C -l posix_aio0 + posix_aio0 Defined Posix Asynchronous I/O + # cfgmgr -l posix_aio0 + # lsdev -C -l posix_aio0 + posix_aio0 Available Posix Asynchronous I/O + +POSIX aio should work now. To make the change permanent: + + # chdev -l posix_aio0 -P -a autoconfig='available' + posix_aio0 changed Author