Add support for --remote-config

[fio.git] / fio.1

diff --git a/fio.1 b/fio.1
index e3334bd2b4de0a6b8850d669bce8932a48409982..91c307482e1588cec985afb398ffc7f2fa074ee0 100644 (file)
--- a/fio.1
+++ b/fio.1
@@ -115,7 +115,29 @@ and there may be any number of global sections.  Specific job definitions
 may override any parameter set in global sections.
 .SH "JOB PARAMETERS"
 .SS Types
-Some parameters may take arguments of a specific type.  The types used are:
+Some parameters may take arguments of a specific type.
+Anywhere a numeric value is required, an arithmetic expression may be used,
+provided it is surrounded by parentheses. Supported operators are:
+.RS
+.RS
+.TP
+.B addition (+)
+.TP
+.B subtraction (-)
+.TP
+.B multiplication (*)
+.TP
+.B division (/)
+.TP
+.B modulus (%)
+.TP
+.B exponentiation (^)
+.RE
+.RE
+.P
+For time values in expressions, units are microseconds by default. This is
+different than for time values not in expressions (not enclosed in
+parentheses). The types used are:
 .TP
 .I str
 String: a sequence of alphanumeric characters.
@@ -481,6 +503,13 @@ setting can be any pattern of bytes, and can be prefixed with 0x for hex
 values. It may also be a string, where the string must then be wrapped with
 "".
 .TP
+.BI dedupe_percentage \fR=\fPint
+If set, fio will generate this percentage of identical buffers when writing.
+These buffers will be naturally dedupable. The contents of the buffers depend
+on what other buffer compression settings have been set. It's possible to have
+the individual buffers either fully compressible, or not at all. This option
+only controls the distribution of unique buffers.
+.TP
 .BI nrfiles \fR=\fPint
 Number of files to use for this job.  Default: 1.
 .TP
@@ -680,7 +709,9 @@ Fio will normally perform IOs until it has exhausted the size of the region
 set by \fBsize\fR, or if it exhaust the allocated time (or hits an error
 condition). With this setting, the range/size can be set independently of
 the number of IOs to perform. When fio reaches this number, it will exit
-normally and report status.
+normally and report status. Note that this does not extend the amount
+of IO that will be done, it will only stop fio if this condition is met
+before other end-of-job criteria.
 .TP
 .BI fsync \fR=\fPint
 How many I/Os to perform before issuing an \fBfsync\fR\|(2) of dirty data.  If
@@ -1817,6 +1848,14 @@ does on the server side, to allow IP/hostname/socket and port strings.
 You can connect to multiple clients as well, to do that you could run:
 
 fio \-\-client=server2 \-\-client=server2 <job file(s)>
+
+If the job file is located on the fio server, then you can tell the server
+to load a local file as well. This is done by using \-\-remote-config:
+
+fio \-\-client=server \-\-remote-config /path/to/file.fio
+
+Then the fio serer will open this local (to the server) job file instead
+of being passed one from the client.
 .SH AUTHORS
 
 .B fio