Improve logging accuracy

[fio.git] / HOWTO

diff --git a/HOWTO b/HOWTO
index 1f523d384ad85f64b38889aa364a4b0f150fec66..a74a1127141ba7a93837f83da64fa3775c8b941a 100644 (file)
--- a/HOWTO
+++ b/HOWTO
@@ -1263,10 +1263,14 @@ exitall_on_error        When one job finishes in error, terminate the rest. The
                default is to wait for each job to finish.
 
 bwavgtime=int  Average the calculated bandwidth over the given time. Value
-               is specified in milliseconds.
+               is specified in milliseconds. If the job also does bandwidth
+               logging through 'write_bw_log', then the minimum of this option
+               and 'log_avg_msec' will be used.  Default: 500ms.
 
 iopsavgtime=int        Average the calculated IOPS over the given time. Value
-               is specified in milliseconds.
+               is specified in milliseconds. If the job also does IOPS logging
+               through 'write_iops_log', then the minimum of this option and
+               'log_avg_msec' will be used.  Default: 500ms.
 
 create_serialize=bool  If true, serialize the file creating for the jobs.
                        This may be handy to avoid interleaving of data