This report displays summary information about
z/OS UNIX interprocess
communication services. The report includes the following sections:
- Mem Map Files. Fields displayed in the mem map files section
of the IPC summary report includes summary information on mem mapped
files. IBM® might request this
information for problem determination.
- Message Queues. Fields displayed in the message queues
section of the IPC summary report include:
- Key
- The key of the message queue.
- ID
- The ID of the message queue.
- Msgsnd Waiters
- The number of processes in a msgsnd wait on the message queue.
- Msgrcv Waiters
- The number of processes in a msgrcv wait on the message queue.
- Last Msgsnd PID
- The Process ID of the last process that completed a msgsnd on
the message queue.
- Last Msgrcv PID
- The Process ID of the last process that completed a msgrcv on
the message queue.
- Bytes on Queue
- The number of bytes on the message queue.
- Messages on Queue
- The number of messages on the message queue.
- Semaphores. Fields displayed in the semaphores section
of the IPC summary report include:
- Key
- The key of the semaphore.
- ID
- The ID of the semaphore.
- Semaphore Number
- The number of semaphores in the semaphore set.
- Waiters
- The number of processes in a wait on the semaphore.
- Last PID
- The Process ID of the last process that completed an operation
on the semaphore.
- Processes with Adjustments
- The number of processes that contain adjustments for the semaphore.
- Shared Memory. Fields displayed in the shared memory section
of the IPC summary report include:
- Key
- The key of the shared memory segment.
- ID
- The ID of the shared memory segment.
- Size
- The size of the shared memory segment.
- Creators PID
- The Process ID of the process that created the shared memory segment.
- Last Operation PID
- The Process ID of the process that performed the last operation
on the shared memory segment.
- Last shmat Time
- The time of he last shmat operation for this shared memory segment.