Log and dump short ios

[fio.git] / HOWTO

diff --git a/HOWTO b/HOWTO
index 08a2b68dac71cdbd2cd101d02fa2f2859b22cd8c..aeb87ddb37cc59cdd057a56bd99ea9f901efbd68 100644 (file)
--- a/HOWTO
+++ b/HOWTO
@@ -684,6 +684,7 @@ 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
   IO depths    : 1=0.1%, 2=0.3%, 4=0.5%, 8=99.0%, 16=0.0%, 32=0.0%, >32=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%
 
@@ -715,6 +716,8 @@ 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 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
                time from when IO leaves fio and when it gets completed.
                The numbers follow the same pattern as the IO depths,