X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=fio.1;h=6e7d1f8b1e4647e3e87912304a67c5e51101222b;hp=b943db2289d66c87ced5bd3b7112cf9b580db8ab;hb=41a8278a1bb21f523d2195c23faac4b8831678ba;hpb=9acb08a9957b1111a06fbca6af113fa0c98dbd7c diff --git a/fio.1 b/fio.1 index b943db22..6e7d1f8b 100644 --- a/fio.1 +++ b/fio.1 @@ -113,6 +113,8 @@ All fio parser warnings are fatal, causing fio to exit with an error. .TP .BI \-\-max\-jobs \fR=\fPnr Set the maximum number of threads/processes to support to \fInr\fR. +NOTE: On Linux, it may be necessary to increase the shared-memory limit +(`/proc/sys/kernel/shmmax') if fio runs into errors while creating jobs. .TP .BI \-\-server \fR=\fPargs Start a backend server, with \fIargs\fR specifying what to listen to. @@ -1577,6 +1579,10 @@ the engine filename, e.g. `ioengine=external:/tmp/foo.o' to load ioengine `foo.o' in `/tmp'. The path can be either absolute or relative. See `engines/skeleton_external.c' in the fio source for details of writing an external I/O engine. +.TP +.B filecreate +Create empty files only. \fBfilesize\fR still needs to be specified so that fio +will run and grab latency results, but no IO will actually be done on the files. .SS "I/O engine specific parameters" In addition, there are some parameters which are only valid when a specific \fBioengine\fR is in use. These are used identically to normal parameters,