X-Git-Url: https://git.kernel.dk/?a=blobdiff_plain;f=README;h=d5235de39a6ff7dfa32b9e055cbaac5974e7fc2a;hb=82830b03d854b8e018241b90c2d9fd83752a3236;hp=7a49dda519b170bdd3c6ed881a96f482ac8c52c9;hpb=217bc04bf276d3d99c616ae69b88ba5b04a36151;p=fio.git diff --git a/README b/README index 7a49dda5..d5235de3 100644 --- a/README +++ b/README @@ -141,9 +141,11 @@ always parsed and taken into account. Fio has an internal allocator for shared memory called smalloc. It allocates shared structures from this pool. The pool defaults to 1024k -in size, and can grow to 32 pools. If running large jobs with randommap +in size, and can grow to 128 pools. If running large jobs with randommap enabled it can run out of memory, in which case the --alloc-size switch -is handy for starting with a larger pool size. +is handy for starting with a larger pool size. The backing store is +files in /tmp. Fio cleans up after itself, while it is running you +may see .fio_smalloc.* files in /tmp. Job file @@ -200,8 +202,8 @@ The job file parameters are: also include k/m postfix. direct=x 1 for direct IO, 0 for buffered IO thinktime=x "Think" x usec after each io - rate=x Throttle rate to x KiB/sec - ratemin=x Quit if rate of x KiB/sec can't be met + rate=x Throttle rate to x KB/sec + ratemin=x Quit if rate of x KB/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.