t/run-fio-tests.py: Accept a wider range of IOPS values

[fio.git] / fio.1

diff --git a/fio.1 b/fio.1
index 1db12c2ff41e7e5bd2df03cd75e55be177611a69..47bc15920831804ed3bba30ddc42685889f6d785 100644 (file)
--- a/fio.1
+++ b/fio.1
@@ -804,7 +804,11 @@ so. Default: false.
 When running a random write test across an entire drive many more zones will be
 open than in a typical application workload. Hence this command line option
 that allows to limit the number of open zones. The number of open zones is
 When running a random write test across an entire drive many more zones will be
 open than in a typical application workload. Hence this command line option
 that allows to limit the number of open zones. The number of open zones is

-defined as the number of zones to which write commands are issued.
+defined as the number of zones to which write commands are issued by all
+threads/processes.
+.TP
+.BI job_max_open_zones \fR=\fPint
+Limit on the number of simultaneously opened zones per single thread/process.

 .TP
 .BI zone_reset_threshold \fR=\fPfloat
 A number between zero and one that indicates the ratio of logical blocks with
 .TP
 .BI zone_reset_threshold \fR=\fPfloat
 A number between zero and one that indicates the ratio of logical blocks with


@@ -1629,6 +1633,12 @@ I/O. Requires \fBfilename\fR option to specify either block or
 character devices. This engine supports trim operations. The
 sg engine includes engine specific options.
 .TP
 character devices. This engine supports trim operations. The
 sg engine includes engine specific options.
 .TP

+.B libzbc
+Synchronous I/O engine for SMR hard-disks using the \fBlibzbc\fR
+library. The target can be either an sg character device or
+a block device file. This engine supports the zonemode=zbd zone
+operations.
+.TP

 .B null
 Doesn't transfer any data, just pretends to. This is mainly used to
 exercise fio itself and for debugging/testing purposes.
 .B null
 Doesn't transfer any data, just pretends to. This is mainly used to
 exercise fio itself and for debugging/testing purposes.


@@ -1800,7 +1810,8 @@ Set the percentage of I/O that will be issued with higher priority by setting
 the priority bit. Non-read I/O is likely unaffected by ``cmdprio_percentage``.
 This option cannot be used with the `prio` or `prioclass` options. For this
 option to set the priority bit properly, NCQ priority must be supported and
 the priority bit. Non-read I/O is likely unaffected by ``cmdprio_percentage``.
 This option cannot be used with the `prio` or `prioclass` options. For this
 option to set the priority bit properly, NCQ priority must be supported and

-enabled and `direct=1' option must be used.
+enabled and `direct=1' option must be used. fio must also be run as the root
+user.

 .TP
 .BI (io_uring)fixedbufs
 If fio is asked to do direct IO, then Linux will map pages for each IO call, and
 .TP
 .BI (io_uring)fixedbufs
 If fio is asked to do direct IO, then Linux will map pages for each IO call, and


@@ -2269,6 +2280,11 @@ The percentage of I/Os that must fall within the criteria specified by
 defaults to 100.0, meaning that all I/Os must be equal or below to the value
 set by \fBlatency_target\fR.
 .TP
 defaults to 100.0, meaning that all I/Os must be equal or below to the value
 set by \fBlatency_target\fR.
 .TP

+.BI latency_run \fR=\fPbool
+Used with \fBlatency_target\fR. If false (default), fio will find the highest
+queue depth that meets \fBlatency_target\fR and exit. If true, fio will continue
+running and try to meet \fBlatency_target\fR by adjusting queue depth.
+.TP

 .BI max_latency \fR=\fPtime
 If set, fio will exit the job with an ETIMEDOUT error if it exceeds this
 maximum latency. When the unit is omitted, the value is interpreted in
 .BI max_latency \fR=\fPtime
 If set, fio will exit the job with an ETIMEDOUT error if it exceeds this
 maximum latency. When the unit is omitted, the value is interpreted in