X-Git-Url: https://git.kernel.dk/?a=blobdiff_plain;f=README;h=a56f633767a36958d8818087d1bf6eeadce91e0b;hb=a08bc17f470c3ae3abbc90f9ca77c37866ad0028;hp=69803403ac83c2cd8f7c5d424317fa9e3ee3fba6;hpb=21ab9d1d05055893ee0b1bed35e55e87b88b422b;p=fio.git diff --git a/README b/README index 69803403..a56f6337 100644 --- a/README +++ b/README @@ -14,7 +14,9 @@ Source fio resides in a git repo, the canonical place is: -git://brick.kernel.dk/data/git/fio.git +git://git.kernel.dk/data/git/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: @@ -65,6 +67,7 @@ $ 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, @@ -106,11 +109,11 @@ The job file parameters are: posixaio for POSIX aio, sync for regular read/write io, mmap for mmap'ed io, syslet-rw for syslet driven read/write, splice for using splice/vmsplice, - sgio for direct SG_IO io, or net for network io. 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. + 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, @@ -176,7 +179,7 @@ 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