fio: make gauss a duplicate of normal for file_service_type

[fio.git] / fio.1

diff --git a/fio.1 b/fio.1
index ac87c9ddd6efe316e98d584a8e9346b7104f6916..ab042081ddc83ddf270c1ad9dfcc1573e4f12b48 100644 (file)
--- a/fio.1
+++ b/fio.1
@@ -1,4 +1,4 @@
-.TH fio 1 "May 2017" "User Manual"
+.TH fio 1 "June 2017" "User Manual"
 .SH NAME
 fio \- flexible I/O tester
 .SH SYNOPSIS
@@ -676,8 +676,11 @@ Use a zipfian distribution to decide what file to access.
 .B pareto
 Use a pareto distribution to decide what file to access.
 .TP
+.B normal
+Use a Gaussian (normal) distribution to decide what file to access.
+.TP
 .B gauss
-Use a gaussian (normal) distribution to decide what file to access.
+Alias for normal.
 .RE
 .P
 For \fBrandom\fR, \fBroundrobin\fR, and \fBsequential\fR, a postfix can be
@@ -916,8 +919,8 @@ bytes or a percentage. If a percentage is given, the next \fBblockalign\fR-ed
 offset will be used. Data before the given offset will not be touched. This
 effectively caps the file size at (real_size - offset). Can be combined with
 \fBsize\fR to constrain the start and end range of the I/O workload. A percentage
-can be specified by the percentage number plus 1 with preceding '-'. For example,
--1 is parsed as 0%, -10 is parsed as 9%, -101 is parsed as 100%.
+can be specified by a number between 1 and 100 followed by '%', for example,
+offset=20% to specify 20%.
 .TP
 .BI offset_increment \fR=\fPint
 If this is provided, then the real offset becomes the
@@ -1004,8 +1007,8 @@ Zipf distribution
 .B pareto
 Pareto distribution
 .TP
-.B gauss
-Normal (gaussian) distribution
+.B normal
+Normal (Gaussian) distribution
 .TP
 .B zoned
 Zoned random distribution
@@ -1017,8 +1020,8 @@ For \fBpareto\fR, it's the pareto power. Fio includes a test program, genzipf,
 that can be used visualize what the given input values will yield in terms of
 hit rates. If you wanted to use \fBzipf\fR with a theta of 1.2, you would use
 random_distribution=zipf:1.2 as the option. If a non-uniform model is used,
-fio will disable use of the random map. For the \fBgauss\fR distribution, a
-normal deviation is supplied as a value between 0 and 100.
+fio will disable use of the random map. For the \fBnormal\fR distribution, a
+normal (Gaussian) deviation is supplied as a value between 0 and 100.
 .P
 .RS
 For a \fBzoned\fR distribution, fio supports specifying percentages of IO