Merge branch 'master' into gfio

[fio.git] / HOWTO

diff --git a/HOWTO b/HOWTO
index ea8730caea033ec4fce10d00ceef7256170bfd8e..9ac485b6147ae278f15b474e3b9bac1af932d967 100644 (file)
--- a/HOWTO
+++ b/HOWTO
@@ -9,6 +9,7 @@ Table of contents
 6. Normal output
 7. Terse output
 8. Trace file format
+9. CPU idleness profiling
 
 1.0 Overview and history
 ------------------------
@@ -775,7 +776,7 @@ random_generator=str        Fio supports the following engines for generating
                block sizes, not with workloads that use multiple block
                sizes. If used with such a workload, fio may read or write
                some blocks multiple times.
-               
+
 nice=int       Run the job with the given nice value. See man nice(2).
 
 prio=int       Set the io priority value of this job. Linux limits us to
@@ -1229,12 +1230,6 @@ exec_postrun=str After the job completes, issue the command specified
 ioscheduler=str        Attempt to switch the device hosting the file to the specified
                io scheduler before running.
 
-cpuload=int    If the job is a CPU cycle eater, attempt to use the specified
-               percentage of CPU cycles.
-
-cpuchunks=int  If the job is a CPU cycle eater, split the load into
-               cycles of the given time. In microseconds.
-
 disk_util=bool Generate disk utilization statistics, if the platform
                supports it. Defaults to on.
 
@@ -1394,6 +1389,11 @@ that defines them is selected.
                enabled when polling for a minimum of 0 events (eg when
                iodepth_batch_complete=0).
 
+[cpu] cpuload=int Attempt to use the specified percentage of CPU cycles.
+
+[cpu] cpuchunks=int Split the load into cycles of the given time. In
+               microseconds.
+
 [netsplice] hostname=str
 [net] hostname=str The host name or IP address to use for TCP or UDP based IO.
                If the job is a TCP listener or UDP reader, the hostname is not