<s>
Resource	B-Application
Measurement	I-Application
Facility	I-Application
(	O
RMF	O
)	O
is	O
a	O
performance	O
monitor	O
for	O
the	O
z/OS	B-Application
Operating	B-General_Concept
System	I-General_Concept
.	O
</s>
<s>
The	O
data	O
is	O
written	O
to	O
SMF	B-Application
data	O
sets	O
.	O
</s>
<s>
RMF	O
Monitor	O
I	O
uses	O
the	O
SMF	B-Application
data	O
record	O
types	O
70	O
to	O
78	O
.	O
</s>
<s>
In	O
addition	O
a	O
dataspace	O
can	O
be	O
created	O
for	O
the	O
Monitor	O
I	O
data	O
gather	O
in	O
which	O
the	O
most	O
recent	O
RMF	O
SMF	B-Application
data	O
records	O
are	O
buffered	O
so	O
that	O
the	O
RMF	O
Postprocessor	O
can	O
access	O
and	O
process	O
them	O
immediately	O
.	O
</s>
<s>
The	O
data	O
gatherer	O
also	O
collects	O
some	O
special	O
data	O
for	O
long-term	O
data	O
analysis	O
and	O
records	O
them	O
in	O
RMF	O
SMF	B-Application
records	O
too	O
.	O
</s>
<s>
This	O
function	O
also	O
records	O
information	O
in	O
RMF	O
SMF	B-Application
record	O
type	O
79	O
and	O
provides	O
interfaces	O
for	O
other	O
reporting	O
functions	O
like	O
SDSF	B-Application
.	O
</s>
<s>
RMF	O
Postprocessor	O
is	O
the	O
reporting	O
tool	O
for	O
RMF	O
SMF	B-Application
records	O
of	O
type	O
70	O
to	O
78	O
.	O
</s>
<s>
It	O
generates	O
a	O
big	O
number	O
of	O
tabular	O
and	O
textual	O
reports	O
for	O
long-term	O
data	O
analysis	O
which	O
provide	O
a	O
lot	O
of	O
detail	O
of	O
z/OS	B-Application
and	O
System	O
z	O
performance	O
.	O
</s>
<s>
The	O
function	O
is	O
written	O
in	O
ISPF	B-Operating_System
and	O
runs	O
under	O
a	O
TSO	B-Application
session	O
on	O
z/OS	B-Application
.	O
</s>
<s>
They	O
allow	O
multiple	O
z/OS	B-Application
systems	O
to	O
be	O
displayed	O
in	O
the	O
same	O
data	O
view	O
.	O
</s>
<s>
RMF	O
is	O
significantly	O
enhanced	O
with	O
every	O
release	O
of	O
the	O
z/OS	B-Application
Operating	B-General_Concept
System	I-General_Concept
–	O
that	O
is	O
approximately	O
once	O
a	O
year	O
–	O
with	O
other	O
enhancements	O
occurring	O
in	O
support	O
of	O
new	O
hardware	O
,	O
such	O
as	O
new	O
processor	O
models	O
.	O
</s>
