client: display summed total of all clients when all stats have been received

[fio.git] / fio.1

diff --git a/fio.1 b/fio.1
index e8fb57f4ca33a2035c445d8ab31dbc5f794fbcc1..0517e33fa87e698c4ee08f6dc2eeeacedf7d9127 100644 (file)
--- a/fio.1
+++ b/fio.1
@@ -329,6 +329,13 @@ default is to only fill it at init time and reuse that data. Only makes sense
 if zero_buffers isn't specified, naturally. If data verification is enabled,
 refill_buffers is also automatically enabled.
 .TP
 if zero_buffers isn't specified, naturally. If data verification is enabled,
 refill_buffers is also automatically enabled.
 .TP

+.BI scramble_buffers \fR=\fPbool
+If \fBrefill_buffers\fR is too costly and the target is using data
+deduplication, then setting this option will slightly modify the IO buffer
+contents to defeat normal de-dupe attempts. This is not enough to defeat
+more clever block compression attempts, but it will stop naive dedupe
+of blocks. Default: true.
+.TP

 .BI nrfiles \fR=\fPint
 Number of files to use for this job.  Default: 1.
 .TP
 .BI nrfiles \fR=\fPint
 Number of files to use for this job.  Default: 1.
 .TP


@@ -409,8 +416,9 @@ itself and for debugging and testing purposes.
 .TP
 .B net
 Transfer over the network.  \fBfilename\fR must be set appropriately to
 .TP
 .B net
 Transfer over the network.  \fBfilename\fR must be set appropriately to

-`\fIhost\fR/\fIport\fR' regardless of data direction.  If receiving, only the
-\fIport\fR argument is used.
+`\fIhost\fR,\fIport\fR,\fItype\fR' regardless of data direction. \fItype\fR
+is one of \fBtcp\fR, \fBudp\fR, or \fBunix\fR. For UNIX domain sockets,
+the \fIhost\fR parameter is a file system path.

 .TP
 .B netsplice
 Like \fBnet\fR, but uses \fIsplice\fR\|(2) and \fIvmsplice\fR\|(2) to map data
 .TP
 .B netsplice
 Like \fBnet\fR, but uses \fIsplice\fR\|(2) and \fIvmsplice\fR\|(2) to map data


@@ -666,6 +674,10 @@ Terminate all jobs when one finishes.  Default: wait for each job to finish.
 Average bandwidth calculations over the given time in milliseconds.  Default:
 500ms.
 .TP
 Average bandwidth calculations over the given time in milliseconds.  Default:
 500ms.
 .TP

+.BI iopsavgtime \fR=\fPint
+Average IOPS calculations over the given time in milliseconds.  Default:
+500ms.
+.TP

 .BI create_serialize \fR=\fPbool
 If true, serialize file creation for the jobs.  Default: true.
 .TP
 .BI create_serialize \fR=\fPbool
 If true, serialize file creation for the jobs.  Default: true.
 .TP


@@ -838,6 +850,11 @@ Same as \fBwrite_bw_log\fR, but writes I/O completion latencies.  If no
 filename is given with this option, the default filename of "jobname_type.log"
 is used. Even if the filename is given, fio will still append the type of log.
 .TP
 filename is given with this option, the default filename of "jobname_type.log"
 is used. Even if the filename is given, fio will still append the type of log.
 .TP

+.BI write_iops_log \fR=\fPstr
+Same as \fBwrite_bw_log\fR, but writes IOPS. If no filename is given with this
+option, the default filename of "jobname_type.log" is used. Even if the
+filename is given, fio will still append the type of log.
+.TP

 .BI disable_lat \fR=\fPbool
 Disable measurements of total latency numbers. Useful only for cutting
 back the number of calls to gettimeofday, as that does impact performance at
 .BI disable_lat \fR=\fPbool
 Disable measurements of total latency numbers. Useful only for cutting
 back the number of calls to gettimeofday, as that does impact performance at


@@ -924,7 +941,7 @@ Enable the reporting of percentiles of completion latencies.
 Overwrite the default list of percentiles for completion
 latencies. Each number is a floating number in the range (0,100], and
 the maximum length of the list is 20. Use ':' to separate the
 Overwrite the default list of percentiles for completion
 latencies. Each number is a floating number in the range (0,100], and
 the maximum length of the list is 20. Use ':' to separate the

-numbers. For example, --percentile_list=99.5:99.9 will cause fio to
+numbers. For example, \-\-percentile_list=99.5:99.9 will cause fio to

 report the values of completion latency below which 99.5% and 99.9% of
 the observed latencies fell, respectively.
 .SH OUTPUT
 report the values of completion latency below which 99.5% and 99.9% of
 the observed latencies fell, respectively.
 .SH OUTPUT