Split poisson rate control into read/write/trim

[fio.git] / fio.1

diff --git a/fio.1 b/fio.1
index f486276358b4230fdea4693b7662b0d3b3d9a6eb..b59025dc983375408350d6a09ba7afbb59428829 100644 (file)
--- a/fio.1
+++ b/fio.1
@@ -1,4 +1,4 @@
-.TH fio 1 "December 2016" "User Manual"
+.TH fio 1 "March 2017" "User Manual"

 .SH NAME
 fio \- flexible I/O tester
 .SH SYNOPSIS
 .SH NAME
 fio \- flexible I/O tester
 .SH SYNOPSIS


@@ -811,10 +811,12 @@ and discarding before overwriting. The trimwrite mode works well for this
 constraint.
 .TP
 .B pmemblk
 constraint.
 .TP
 .B pmemblk

-Read and write through the NVML libpmemblk interface.
+Read and write using filesystem DAX to a file on a filesystem mounted with
+DAX on a persistent memory device through the NVML libpmemblk library.

 .TP
 .B dev-dax
 .TP
 .B dev-dax

-Read and write through a DAX device exposed from persistent memory.
+Read and write using device DAX to a persistent memory device
+(e.g., /dev/dax0.0) through the NVML libpmem library.

 .RE
 .P
 .RE
 .RE
 .P
 .RE


@@ -1412,7 +1414,7 @@ option.  The allowed values are:
 .RS
 .RS
 .TP
 .RS
 .RS
 .TP

-.B md5 crc16 crc32 crc32c crc32c-intel crc64 crc7 sha256 sha512 sha1 xxhash
+.B md5 crc16 crc32 crc32c crc32c-intel crc64 crc7 sha256 sha512 sha1 sha3-224 sha3-256 sha3-384 sha3-512 xxhash

 Store appropriate checksum in the header of each block. crc32c-intel is
 hardware accelerated SSE4.2 driven, falls back to regular crc32c if
 not supported by the system.
 Store appropriate checksum in the header of each block. crc32c-intel is
 hardware accelerated SSE4.2 driven, falls back to regular crc32c if
 not supported by the system.


@@ -1546,6 +1548,10 @@ Wait for preceding jobs in the job file to exit before starting this one.
 Start a new reporting group.  If not given, all jobs in a file will be part
 of the same reporting group, unless separated by a stonewall.
 .TP
 Start a new reporting group.  If not given, all jobs in a file will be part
 of the same reporting group, unless separated by a stonewall.
 .TP

+.BI stats \fR=\fPbool
+By default, fio collects and shows final output results for all jobs that run.
+If this option is set to 0, then fio will ignore it in the final stat output.
+.TP

 .BI numjobs \fR=\fPint
 Number of clones (processes/threads performing the same workload) of this job.
 Default: 1.
 .BI numjobs \fR=\fPint
 Number of clones (processes/threads performing the same workload) of this job.
 Default: 1.


@@ -2582,3 +2588,10 @@ See \fBREADME\fR.
 For further documentation see \fBHOWTO\fR and \fBREADME\fR.
 .br
 Sample jobfiles are available in the \fBexamples\fR directory.
 For further documentation see \fBHOWTO\fR and \fBREADME\fR.
 .br
 Sample jobfiles are available in the \fBexamples\fR directory.

+.br
+These are typically located under /usr/share/doc/fio.
+
+\fBHOWTO\fR:  http://git.kernel.dk/?p=fio.git;a=blob_plain;f=HOWTO
+.br
+\fBREADME\fR: http://git.kernel.dk/?p=fio.git;a=blob_plain;f=README
+.br