Merge branch 'eta_overflow' of https://github.com/sitsofe/fio

[fio.git] / HOWTO

diff --git a/HOWTO b/HOWTO
index 4caaf542e0e4b89f4156309469e476700f4b372f..78fa6ccf4a61e623a44c0e1137f46cc416382ee8 100644 (file)
--- a/HOWTO
+++ b/HOWTO
@@ -173,7 +173,16 @@ Command line options
 .. option:: --eta=when
 
        Specifies when real-time ETA estimate should be printed.  `when` may be
-       `always`, `never` or `auto`.
+       `always`, `never` or `auto`. `auto` is the default, it prints ETA
+       when requested if the output is a TTY. `always` disregards the output
+       type, and prints ETA when requested. `never` never prints ETA.
+
+.. option:: --eta-interval=time
+
+       By default, fio requests client ETA status roughly every second. With
+       this option, the interval is configurable. Fio imposes a minimum
+       allowed time to avoid flooding the console, less than 250 msec is
+       not supported.
 
 .. option:: --eta-newline=time
 
@@ -2208,6 +2217,13 @@ I/O rate
        (https://en.wikipedia.org/wiki/Poisson_point_process). The lambda will be
        10^6 / IOPS for the given workload.
 
+.. option:: rate_ignore_thinktime=bool
+
+       By default, fio will attempt to catch up to the specified rate setting,
+       if any kind of thinktime setting was used. If this option is set, then
+       fio will ignore the thinktime and continue doing IO at the specified
+       rate, instead of entering a catch-up mode after thinktime is done.
+
 
 I/O latency
 ~~~~~~~~~~~