Add option to skip delays when replaying traces
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
diff --git a/HOWTO b/HOWTO
index 0ef7ca4..2bbaad0 100644
--- a/HOWTO
+++ b/HOWTO
@@ -986,6 +986,13 @@
for how to capture such logging data. For blktrace replay,
the file needs to be turned into a blkparse binary data
file first (blkparse <device> -o /dev/null -d file_for_fio.bin).
+
+replay_no_stall=int When replaying I/O with read_iolog the default behavior
+ is to attempt to respect the time stamps within the log and replay
+ them with the appropriate delay between IOPS. By setting this variable
+ fio will not respect the timestamps and attempt to replay them as fast
+ as possible while still respecting ordering. The result is the same
+ I/O pattern to a given device, but different timings.
write_bw_log=str If given, write a bandwidth log of the jobs in this job
file. Can be used to store data of the bandwidth of the