X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=README;h=7e87c47b8ef8ea52940b0757884d4cf9164b2435;hp=be32af4ed76f08412fc83e2a0165b882020e8059;hb=4539ed73159735c20cf6c2808eea84d0cc25a608;hpb=61697c37566a211ad3fd70f46397d9b7675b0fc2 diff --git a/README b/README index be32af4e..7e87c47b 100644 --- a/README +++ b/README @@ -14,18 +14,27 @@ Source fio resides in a git repo, the canonical place is: -git://brick.kernel.dk/data/git/fio.git +git://git.kernel.dk/fio.git + +The http protocol also works, path is the same. Snapshots are frequently generated and they include the git meta data as well. You can download them here: http://brick.kernel.dk/snaps/ -Pascal Bleser has fio RPMs in his repository, you -can find them here: +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 +Dag Wieërs has RPMs for Red Hat related distros, find them here: + +http://dag.wieers.com/rpm/packages/fio/ + +Mandriva has integrated fio into their package repository, so installing +on that distro should be as easy as typing 'urpmi fio'. + Mailing list ------------ @@ -61,6 +70,7 @@ $ fio --version Print version info and exit --help Print this page --cmdhelp=cmd Print command help, "all" for all of them + --showcmd Turn a job file into command line options Any parameters following the options will be assumed to be job files, unless they match a job file parameter. You can add as many as you want, @@ -100,12 +110,13 @@ 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, sync for regular read/write io, - mmap for mmap'ed io, splice for using splice/vmsplice, - or sgio for direct SG_IO io. The latter only works on - Linux on SCSI (or SCSI-like devices, such as - usb-storage or sata/libata driven) devices. Fio also - has a null io engine, which is mainly used for testing - fio itself. + mmap for mmap'ed io, syslet-rw for syslet driven + read/write, splice for using splice/vmsplice, + sgio for direct SG_IO io, net for network io, or cpuio + for a cycler burner load. sgio only works on Linux on + SCSI (or SCSI-like devices, such as usb-storage or + sata/libata driven) devices. Fio also has a null io + engine, which is mainly used for testing fio itself. iodepth=x For async io, allow 'x' ios in flight overwrite=x If 'x', layout a write file first. nrfiles=x Spread io load over 'x' number of files per job, @@ -121,6 +132,7 @@ The job file parameters are: ratemin=x Quit if rate of x KiB/sec can't be met ratecycle=x ratemin averaged over x msecs cpumask=x Only allow job to run on CPUs defined by mask. + cpus_allowed=x Like 'cpumask', but allow text setting of CPU affinity. fsync=x If writing with buffered IO, fsync after every 'x' blocks have been written. end_fsync=x If 'x', run fsync() after end-of-job. @@ -171,7 +183,7 @@ The job file parameters are: ioscheduler=x Use ioscheduler 'x' for this job. cpuload=x For a CPU io thread, percentage of CPU time to attempt to burn. - cpuchunks=x Split burn cycles into pieces of x. + cpuchunks=x Split burn cycles into pieces of x usecs. Author