Add option for specifically setting buffer contents

[fio.git] / HOWTO

diff --git a/HOWTO b/HOWTO
index 2183be10205345f85c9eb97305b054f77d60d928..c3672d85d361638e532434a758b05f31a429a424 100644 (file)
--- a/HOWTO
+++ b/HOWTO
@@ -547,6 +547,11 @@ buffer_compress_chunk=int  See buffer_compress_percentage. This
                alternate random and zeroed data throughout the IO
                buffer.
 
+buffer_pattern=str     If set, fio will fill the io buffers with this pattern.
+               If not set, the contents of io buffers is defined by the other
+               options related to buffer contents. The setting can be any
+               pattern of bytes, and can be prefixed with 0x for hex values.
+
 nrfiles=int    Number of files to use for this job. Defaults to 1.
 
 openfiles=int  Number of files to keep open at the same time. Defaults to