X-Git-Url: https://git.kernel.dk/?a=blobdiff_plain;f=README;h=2a245dce1850bd7bc7e265d35d4616a828c65d3a;hb=84585003d025a38b91749cb0d68f6b5653d1f1a3;hp=f323384f4402df7b4b7185dd041dc5b15818e827;hpb=aae22ca71e8f5ac94a79f5dee161533a25852f6c;p=fio.git diff --git a/README b/README index f323384f..2a245dce 100644 --- a/README +++ b/README @@ -88,6 +88,8 @@ The job file parameters are: usb-storage or sata/libata driven) devices. 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, + if possible. prio=x Run io at prio X, 0-7 is the kernel allowed range prioclass=x Run io at prio class X bs=x Use 'x' for thread blocksize. May include k/m postfix. @@ -113,6 +115,7 @@ The job file parameters are: bwavgtime=x Average bandwidth stats over an x msec window. create_serialize=x If 'x', serialize file creation. create_fsync=x If 'x', run fsync() after file creation. + unlink If set, unlink files when done. end_fsync=x If 'x', run fsync() after end-of-job. loops=x Run the job 'x' number of times. verify=x If 'x' == md5, use md5 for verifies. If 'x' == crc32, @@ -142,6 +145,9 @@ The job file parameters are: exec_prerun=x Run 'x' before job io is begun. exec_postrun=x Run 'x' after job io has finished. 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. Examples using a job file