splice: fix problem with current mainline kernels

[fio.git] / HOWTO

diff --git a/HOWTO b/HOWTO
index 6ece3c183ae473cd7de3cc4f95e733de6ca888be..5d757b2d17f716d3b143171cf716d1c8fba6e2a0 100644 (file)
--- a/HOWTO
+++ b/HOWTO
@@ -347,7 +347,7 @@ ioengine=str        Defines how the job issues io to the file. The following
                        netsplice Like net, but uses splice/vmsplice to
                                map data and send/receive.
 
-                       cpu     Doesn't transfer any data, but burns CPU
+                       cpuio   Doesn't transfer any data, but burns CPU
                                cycles according to the cpuload= and
                                cpucycle= options. Setting cpuload=85
                                will cause that job to do nothing but burn
@@ -756,7 +756,7 @@ Client1 (g=0): err= 0:
     slat (msec): min=    0, max=  136, avg= 0.03, stdev= 1.92
     clat (msec): min=    0, max=  631, avg=48.50, stdev=86.82
     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
+  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%
      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%,
@@ -787,7 +787,9 @@ runt=               The runtime of that thread
                only really useful if the threads in this group are on the
                same disk, since they are then competing for disk access.
 cpu=           CPU usage. User and system time, along with the number
-               of context switches this thread went through.
+               of context switches this thread went through, usage of
+               system and user time, and finally the number of major
+               and minor page faults.
 IO depths=     The distribution of io depths over the job life time. The
                numbers are divided into powers of 2, so for example the
                16= entries includes depths up to that value but higher