Add suppor for logging fsync (and friends) latencies

[fio.git] / fio.1

diff --git a/fio.1 b/fio.1
index 80abc14fcf9a95318c767c2d67a299c93d424348..70eeeb0f6c8ca35634e98ed648b833df8299bb98 100644 (file)
--- a/fio.1
+++ b/fio.1
@@ -77,7 +77,14 @@ the I/O engine core to prevent writes due to unknown user space bug(s).
 .TP
 .BI \-\-eta \fR=\fPwhen
 Specifies when real\-time ETA estimate should be printed. \fIwhen\fR may
-be `always', `never' or `auto'.
+be `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.
+.TP
+.BI \-\-eta\-interval \fR=\fPtime
+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.
 .TP
 .BI \-\-eta\-newline \fR=\fPtime
 Force a new line for every \fItime\fR period passed. When the unit is omitted,
@@ -3559,8 +3566,7 @@ containing two hostnames `h1' and `h2' with IP addresses 192.168.10.120 and
 .RE
 .SH AUTHORS
 .B fio
-was written by Jens Axboe <jens.axboe@oracle.com>,
-now Jens Axboe <axboe@fb.com>.
+was written by Jens Axboe <axboe@kernel.dk>.
 .br
 This man page was written by Aaron Carroll <aaronc@cse.unsw.edu.au> based
 on documentation by Jens Axboe.