Enqueue Conflict Report
The Enqueue Conflict Report provides information about resources that build up queues greater than the threshold specified on the ENQUEUE Analyzer control statement.
Data is collected for this report by using the ENQUEUE Extractor control statement. The information in this report can be helpful in locating bottlenecks.
The Enqueue Conflict Report can be requested in detailed or summary formats. A sample including both formats is shown in the following figure. The summary format does not include the OWNER OR REQUESTOR field.
BMC SOFTWARE, INC. XYZ COMPANY REPORT DATE: DD MMM YY 12.00
ACTL DD MMM YY HH.MM.SS DD MMM YY HH.MM.SS HQ LOCATION SYSTEM ID: SJSC Z 2.02.0
BASED ON REC TYPE/# RECS/# SAMPLES/REC HOURS: 77-1/60/0/14.84
GRS MODE: RING ------------------------------------ ENQUEUE CONFLICT SUMMARY REPORT ------------------------------------------------
(THRESHOLD PERCENT = .00 )
CONFLICT --DURATION-- (MAJOR) (MINOR) --DEPTH-- EVNT -STAT CHNG-
PERCENT DDD.HH.MM.SS QNAME RNAME SCOPE AVG MAX CNT %NODET
0 00.00.00 ARCENQG BOLSTC.ETC.IPNODES SYSTEM 1.0 1 1 4 0
0 00.00.00 ARCENQG OMVSKERN.STANDARD.TCPXLBIN SYSTEM 1.0 1 3 6 16.67
0 00.00.00 ARCENQG OMVSKERN.TCPIP.DATA SYSTEM 1.0 1 2 4 0
0.02 00.00.08 ARCENQG SYS1.TCPPARMS SYSTEM 1.1 2 20 42 2.38
0.01 00.00.03 ARCENQG TCPIP.ETC.PROTO SYSTEM 1.0 1 2 4 0
0.01 00.00.03 ARCENQG TCPIP.STANDARD.TCPXLBIN SYSTEM 1.0 1 5 10 0
0.01 00.00.03 ARCENQG TSGSTC.STANDARD.TCPXLBIN SYSTEM 1.0 1 2 6 0
0 00.00.01 ARCENQG TSGSTC.TCPIP.DATA SYSTEM 1.0 1 1 2 0
0.03 00.00.18 BBIUSER FSTR.BUILDSTAMP SYSTEMS 1.0 1 5 18 5.56
0.02 00.00.09 BBIUSER ISTR.BUILDSTAMP SYSTEMS 1.0 1 1 10 20.00
0 00.00.00 BBIUSER JO8D.BUILDSTAMP SYSTEMS 1.0 1 1 2 0
0.01 00.00.06 BBIUSER X21F.BUILDSTAMP SYSTEM 1.0 1 2 4 0
0 00.00.00 BBMHFS00 /BBM/DEPLOY/CJSLC/PLEXMGR-CJSLC/201001200905 SYSTEM 1.0 1 1 2 0
6CCD6CCDDDE6CDEDC6DDCEDCD6CDEDC6FFFFFFFFFFFF
12241457368131233173574790312331201001200905
0 00.00.00 BBMHFS00 /BBM/DEPLOY/CJSLC/PLEXMGR-CJSLC/201001200936 SYSTEM 1.0 1 1 2 0
6CCD6CCDDDE6CDEDC6DDCEDCD6CDEDC6FFFFFFFFFFFF
12241457368131233173574790312331201001200936
0 00.00.00 BBMHFS00 /BBM/DEPLOY/CJSLC/PLEXMGR-CJSLC/201001200939 SYSTEM 1.0 1 1 2 0
6CCD6CCDDDE6CDEDC6DDCEDCD6CDEDC6FFFFFFFFFFFF
12241457368131233173574790312331201001200939
0 00.00.00 BBMHFS00 /BBM/DEPLOY/CJSLC/PLEXMGR-CJSLC/201001200947 SYSTEM 1.0 1 1 2 0
6CCD6CCDDDE6CDEDC6DDCEDCD6CDEDC6FFFFFFFFFFFF
12241457368131233173574790312331201001200947
GRS MODE: RING ------------------------------------ ENQUEUE CONFLICT DETAIL REPORT -------------------------------------------------
(THRESHOLD PERCENT = .00 )
CONFLT --DURATION-- (MAJOR) (MINOR) OWNER OR SYSTEM --DEPTH-- EVNT -STAT CHNG-
PERCNT DDD.HH.MM.SS QNAME RNAME WAITER NAME SCOPE AVG MAX CNT %NODET
0 00.00.00 ARCENQG BOLSTC.ETC.IPNODES DEENDIST-O/E SJSC SYSTEM 1.0 1 1 4 0
DIB2DIST-W/E SJSC SYSTEM
0 00.00.00 ARCENQG OMVSKERN.STANDARD.TCPXLBIN MIMGR -O/E SJSC SYSTEM 1.0 1 3 6 16.67
OMVSKERN-W/E SJSC SYSTEM
0 00.00.00 ARCENQG OMVSKERN.TCPIP.DATA MIMGR -O/E SJSC SYSTEM 1.0 1 2 4 0
OMVSKERN-W/E SJSC SYSTEM
0 00.00.02 ARCENQG SYS1.TCPPARMS MIMGR -O/E SJSC SYSTEM 1.0 1 6 12 0
JES2S001-W/E SJSC SYSTEM
0.01 00.00.07 ARCENQG SYS1.TCPPARMS MIMGR -O/E SJSC SYSTEM 1.1 2 14 30 3.33
OMVSKERN-W/E SJSC SYSTEM
0.01 00.00.03 ARCENQG TCPIP.ETC.PROTO MIMGR -O/E SJSC SYSTEM 1.0 1 2 4 0
OMVSKERN-W/E SJSC SYSTEM
0 00.00.00 ARCENQG TCPIP.STANDARD.TCPXLBIN -O/S SYSTEM 1.0 1 1 2 0
-W/S SYSTEM
0 00.00.01 ARCENQG TCPIP.STANDARD.TCPXLBIN MIMGR -O/E SJSC SYSTEM 1.0 1 1 2 0
BOLMZWTP-W/E SJSC SYSTEM
0 00.00.00 ARCENQG TCPIP.STANDARD.TCPXLBIN MIMGR -O/E SJSC SYSTEM 1.0 1 1 2 0
DIB2DIST-W/E SJSC SYSTEM
0 00.00.02 ARCENQG TCPIP.STANDARD.TCPXLBIN MIMGR -O/E SJSC SYSTEM 1.0 1 2 4 0
SMBD5 -W/E SJSC SYSTEM
0 00.00.02 ARCENQG TSGSTC.STANDARD.TCPXLBIN BMCJCOCD-O/E SJSC SYSTEM 1.0 1 1 4 0
BMCJCOSS-W/E SJSC SYSTEM
0 00.00.00 ARCENQG TSGSTC.STANDARD.TCPXLBIN MIMGR -O/E SJSC SYSTEM 1.0 1 1 2 0
JES2S001-W/E SJSC SYSTEM
0 00.00.01 ARCENQG TSGSTC.TCPIP.DATA MIMGR -O/E SJSC SYSTEM 1.0 1 1 2 0
JES2S001-W/E SJSC SYSTEM
0.03 00.00.18 BBIUSER FSTR.BUILDSTAMP DC$BSTR -O/E SJSB SYSTEMS 1.0 1 5 18 5.56
DC$BBID -W/E SJSD SYSTEMS
0.02 00.00.09 BBIUSER ISTR.BUILDSTAMP DC$BSTR -O/E SJSB SYSTEMS 1.0 1 1 10 20.00
DC$DSTR -W/E SJSD SYSTEMS
Enqueue Conflict Report field descriptions
The table below describes each field in the Enqueue Conflict Report.
Field | Description | |
|---|---|---|
GRS MODE | displayed at the end of the most recently recorded interval; possible values are
| |
CONFLICT PERCENT | percentage of time that a conflict was observed for this enqueue request To calculate the conflict percent, use this formula:
| |
DURATION | length of time that the conflict existed--reported in hours, minutes, seconds (hh.mm.ss) The duration of the conflicts reflects actual time. For example, if job B waits 10 minutes for a resource held exclusively by job A, and job C starts 5 minutes after job B but waits for the same resource held by job A, the duration reported would be 15 minutes (assuming that jobs B and C could share the resource). | |
(MAJOR) QNAME | major name used for the enqueue request; an * means that the resource was still held when the measurement interval ended This field works in combination with (MINOR) RNAME values. | |
(MINOR) RNAME | minor name used for the enqueue request Three messages can be produced by this report:
The last warning message indicates that enqueue conflict events during the interval exceeded the CMF MONITOR Extractor table capacity. The data in the report is accurate for the QNAME-RNAME combinations printed, but other QNAME-RNAME combinations occurred that were not printed. | |
THRESHOLD PERCENT | value supplied in the ENQUEUE control statement, used to determine when the enqueue conflict occurred | |
OWNER OR REQUESTOR | job name or Started Task name of the owner or requestor of the resource During the contention event, CMF MONITOR selects the job or Started Task when the wait queue is the longest. Codes appear to the right of the owner or requestor name. Valid codes are | |
O | requestor owned the resource | |
W | requestor was waiting for the resource | |
S | requestor made a shared request | |
E | requestor made an exclusive request | |
SYSTEM NAME | name of the system on which job is running; if a name is not available, this field contains NONAME | |
SCOPE | scope of the enqueue request. There are two values for this field: | |
SYSTEM | indicates that a serially reusable resource is being shared among address spaces on this system | |
SYSTEMS | indicates that the resource is being shared among systems; enqueue requests with a scope of STEP are not reported | |
AVG DEPTH | average of the longest wait queue from each contention event | |
MAX DEPTH | maximum queue depth observed for this major- or minor-name request | |
EVENT | total number of resource contention events | |
CONTENTION STATUS CHANGE - COUNT | total number of resource contention status change events (z/OS 2.2 or later) | |
CONTENTION STATUS CHANGE - PERCENT NO DETAIL | percentage of resource contention status change events with no separate detail data (z/OS 2.2 or later) | |