The EXCLUDE option specifies the devices for which seeks data
should not be collected.
TheDISPLAY option enables the contents of the list to be
reviewed.
The DELETE option cancels the list, thus freeing the occupied
real storage.A device list established with the IICLUD! or EXCLUDE option is retained across separate monitoring sessions. A list is not cleared when a MOlITOR STOP co •• mand is entered;
however, theDISPLAY and DELETE options are provided for list
revision whenSEEKS analysis is completed.
Though asmany device addresses as can fit on
linemay be entered, for performance reasons
be kept as short as possible.
a single input
the list should
TheMONITOR command's response to unusual conditions are detailed in the
following paragraphs.Auto.s!if SHUTDOWN: Data collection is terminated with a MOlITOR STOP SPOCL coiiand: The spool file is closed and moved for data reduction to the
reader chain of the designated virtualmachine. FAILURE: The current monitor data collection buffer is abandoned
butthe--Spool file containing all previously output buffers is closed
andmade available to the virtual reader of the designated virtual machine for further data reduction. PROGRAM LOAD: If automatic monitoring has been specified with
theSYSMON--iacro of- DMKSYS and the IPL occurs within the time range
specified on thatsame macro, monitor data collection is automatically started. The -operator is infor.-ed-butnoaction is-required. He say, however, use the MOlITOR DISPLAY SPOOL command to check the
specifications forautomatic monitoring. If automatic monitor data collection is
and systemmessages are issued indicating serious loss
several checks should bemade by the operator:
regularly active
of spool space,• Ensure that adequate arrangements have been made to read and reduce
themonitor spool files on a day-to-day basis so that the occupied
spool space can be returned to thesystem. • Ensure that the data collection classes do not include trace classes,
which produce large volumes of data (e.g.IITSIM or SEEKs). Do this
with theHORITOR DISPLAY command remembering that the specifications
of theDMKSYS maerQ SIS MOB may be temporarily overridden by the
operator or systems analyst using theMONITOR command. • If spool space is a scarce or critical resource, monitoring can
either be done to tape or theLIMIT parameter used. The LIMIT parameter of the SYSMON macro or the LIMIT option of the MOlITOR START SPOOL command can be used to restrict the maximum size of the
monitor spool file by terminating monitoring when themaximum record
count is reached.
102V8/370 Operator's Guide
should not be collected.
The
reviewed.
The DELETE option cancels the list, thus freeing the occupied
real storage.
however, the
revision when
Though as
line
be kept as short as possible.
a single input
the list should
The
following paragraphs.
reader chain of the designated virtual
but
and
the
specified on that
specifications for
and system
several checks should be
regularly active
of spool space,
the
spool space can be returned to the
which produce large volumes of data (e.g.
with the
of the
operator or systems analyst using the
either be done to tape or the
monitor spool file by terminating monitoring when the
count is reached.
102