X-Git-Url: https://git.kernel.dk/?a=blobdiff_plain;f=HOWTO;h=d8c6b9414eef85be48779d7018682cf2bbd07470;hb=380065aa652b87093d6bbd240e70db30bd6f193d;hp=3d6b354b87b7df40f723c497ab82b1424cd287f6;hpb=1d2af02a16fc3c3561c994be4de887b926b2b774;p=fio.git

diff --git a/HOWTO b/HOWTO
index 3d6b354b..d8c6b941 100644
--- a/HOWTO
+++ b/HOWTO
@@ -344,7 +344,7 @@ ioengine=str	Defines how the job issues io to the file. The following
 
 			psync 	Basic pread(2) or pwrite(2) io.
 
-			vsync	Basic readv(2) or writev(3) IO.
+			vsync	Basic readv(2) or writev(2) IO.
 
 			libaio	Linux native asynchronous io.
 
@@ -383,7 +383,10 @@ ioengine=str	Defines how the job issues io to the file. The following
 				cycles according to the cpuload= and
 				cpucycle= options. Setting cpuload=85
 				will cause that job to do nothing but burn
-				85% of the CPU.
+				85% of the CPU. In case of SMP machines,
+				use numjobs=<no_of_cpu> to get desired CPU
+				usage, as the cpuload only loads a single
+				CPU at the desired rate.
 
 			guasi	The GUASI IO engine is the Generic Userspace
 				Asyncronous Syscall Interface approach