net engine: improve host/port parsing

[fio.git] / HOWTO

diff --git a/HOWTO b/HOWTO
index 36e42aaf6b9defb210d83d0b538284bea7f6a4d6..15ee367b57ea1ea4a907d33a7fab77c01c5905b2 100644 (file)
--- a/HOWTO
+++ b/HOWTO
@@ -339,7 +339,8 @@ zero_buffers        If this option is given, fio will init the IO buffers to
 refill_buffers If this option is given, fio will refill the IO buffers
                on every submit. The default is to only fill it at init
                time and reuse that data. Only makes sense if zero_buffers
-               isn't specified, naturally.
+               isn't specified, naturally. If data verification is enabled,
+               refill_buffers is also automatically enabled.
 
 nrfiles=int    Number of files to use for this job. Defaults to 1.
 
@@ -823,6 +824,8 @@ Client1 (g=0): err= 0:
     bw (KiB/s) : min=    0, max= 1196, per=51.00%, avg=664.02, stdev=681.68
   cpu        : usr=1.49%, sys=0.25%, ctx=7969, majf=0, minf=17
   IO depths    : 1=0.1%, 2=0.3%, 4=0.5%, 8=99.0%, 16=0.0%, 32=0.0%, >32=0.0%
+     submit    : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
+     complete  : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
      issued r/w: total=0/32768, short=0/0
      lat (msec): 2=1.6%, 4=0.0%, 10=3.2%, 20=12.8%, 50=38.4%, 100=24.8%,
      lat (msec): 250=15.2%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2048=0.0%
@@ -860,6 +863,11 @@ IO depths= The distribution of io depths over the job life time. The
                16= entries includes depths up to that value but higher
                than the previous entry. In other words, it covers the
                range from 16 to 31.
+IO submit=     How many pieces of IO were submitting in a single submit
+               call. Each entry denotes that amount and below, until
+               the previous entry - eg, 8=100% mean that we submitted
+               anywhere in between 5-8 ios per submit call.
+IO complete=   Like the above submit number, but for completions instead.
 IO issued=     The number of read/write requests issued, and how many
                of them were short.
 IO latencies=  The distribution of IO completion latencies. This is the