The following changes since commit 6d8fe6e847bb43cf7db5eee4cf58fd490f12be47: backend: respect return value of init_io_u_buffers (2022-11-30 19:58:34 -0700) are available in the Git repository at: git://git.kernel.dk/fio.git master for you to fetch changes up to 942d66c85ee8f007ea5f1097d097cf9a44b662a0: doc: update about size (2022-12-01 11:12:35 -0500) ---------------------------------------------------------------- Ankit Kumar (1): doc: update about size HOWTO.rst | 7 +++++-- fio.1 | 7 +++++-- 2 files changed, 10 insertions(+), 4 deletions(-) --- Diff of recent changes: diff --git a/HOWTO.rst b/HOWTO.rst index 2ea84558..0aaf033a 100644 --- a/HOWTO.rst +++ b/HOWTO.rst @@ -1875,8 +1875,11 @@ I/O size .. option:: size=int The total size of file I/O for each thread of this job. Fio will run until - this many bytes has been transferred, unless runtime is limited by other options - (such as :option:`runtime`, for instance, or increased/decreased by :option:`io_size`). + this many bytes has been transferred, unless runtime is altered by other means + such as (1) :option:`runtime`, (2) :option:`io_size` (3) :option:`number_ios`, + (4) gaps/holes while doing I/O's such as ``rw=read:16K``, or (5) sequential + I/O reaching end of the file which is possible when :option:`percentage_random` + is less than 100. Fio will divide this size between the available files determined by options such as :option:`nrfiles`, :option:`filename`, unless :option:`filesize` is specified by the job. If the result of division happens to be 0, the size is diff --git a/fio.1 b/fio.1 index 746c4472..62af0bd2 100644 --- a/fio.1 +++ b/fio.1 @@ -1676,8 +1676,11 @@ simulate a smaller amount of memory. The amount specified is per worker. .TP .BI size \fR=\fPint[%|z] The total size of file I/O for each thread of this job. Fio will run until -this many bytes has been transferred, unless runtime is limited by other options -(such as \fBruntime\fR, for instance, or increased/decreased by \fBio_size\fR). +this many bytes has been transferred, unless runtime is altered by other means +such as (1) \fBruntime\fR, (2) \fBio_size\fR, (3) \fBnumber_ios\fR, (4) +gaps/holes while doing I/O's such as `rw=read:16K', or (5) sequential I/O +reaching end of the file which is possible when \fBpercentage_random\fR is +less than 100. Fio will divide this size between the available files determined by options such as \fBnrfiles\fR, \fBfilename\fR, unless \fBfilesize\fR is specified by the job. If the result of division happens to be 0, the size is