54 CMF MONITOR CMFMON User Guide
SENQ
SENQ
[TYPE=S|
D|A|E]
[,RESOURCE=(majorname|(majorname,minorname)]
[,SYSNAME=sysname]
Overview
Collects data on all enqueue conflicts or the status of enqueues for specific resources. The
default is to record detail information for all resources experiencing contention. Data is
recorded in SMF79 subtype 7 records.
The data collected reflects the resource contention at the time the record is created. Contention
that occurs solely between recording intervals is not recorded.
Parameters
TYPE Specifies the enqueue activity to measure and the level of detail recorded.
Possible values are:
S Collects summary data for the resource specified on the
RESOURCE parameter. If the RESOURCE parameter is omitted,
data is collected for all resources experiencing contention. For
each resource, the following is recorded:
• Resource major and minor name.
• Scope of the enqueue.
• Number of tasks that own the resource.
• Number of tasks awaiting exclusive ownership of the
resource.
• Number of tasks awaiting shared use of the resource.
D Collects detail data for the resource specified on the RESOURCE
parameter. If the RESOURCE parameter is omitted, data is
collected for all resources experiencing contention. For each
resource, the following is recorded:
• Resource major and minor name.
• Scope of the enqueue.
• Name of each job that either owns or awaits use of the
resource.
A Collects data on all resources held by jobs on the system
specified on the SYSNAME parameter.
E Collects data on all resources held exclusively by jobs on the
system specified on the SYSNAME parameter.
