| Property | Value |
|---|---|
| OID | 1.1e |
| Description | IPC |
| Label | |
| Type | node |
| Format | N |
| Flags |
|
| Child | Description |
|---|---|
| kern.ipc.maxsockbuf | Maximum socket buffer size |
| kern.ipc.sockbuf_waste_factor | Socket buffer size waste factor |
| kern.ipc.somaxconn | Maximum listen socket pending connection accept queue size (compat) |
| kern.ipc.max_linkhdr | Size of largest link layer header |
| kern.ipc.max_protohdr | Size of largest protocol layer header |
| kern.ipc.max_hdr | Size of largest link plus protocol header |
| kern.ipc.max_datalen | Minimum space left in mbuf after max_hdr |
| kern.ipc.sooverinterval | Delay in seconds between warnings for listen socket overflows |
| kern.ipc.maxsockets | Maximum number of sockets available |
| kern.ipc.numopensockets | Number of open sockets |
| kern.ipc.soacceptqueue | Maximum listen socket pending connection accept queue size |
| kern.ipc.posix_shm_list | POSIX SHM list |
| kern.ipc.shmsegs | Array of struct shmid_kernel for each potential shared memory segment |
| kern.ipc.shm_allow_removed | Enable/Disable attachment to attached segments marked for removal |
| kern.ipc.shm_use_phys | Enable/Disable locking of shared memory pages in core |
| kern.ipc.shmall | Maximum number of pages available for shared memory |
| kern.ipc.shmseg | Number of segments per process |
| kern.ipc.shmmni | Number of shared memory identifiers |
| kern.ipc.shmmin | Minimum shared memory segment size |
| kern.ipc.shmmax | Maximum shared memory segment size |
| kern.ipc.sema | Array of struct semid_kernel for each potential semaphore |
| kern.ipc.semaem | Adjust on exit max value |
| kern.ipc.semvmx | Semaphore maximum value |
| kern.ipc.semusz | Size in bytes of undo structure |
| kern.ipc.semume | Max undo entries per process |
| kern.ipc.semopm | Max operations per semop call |
| kern.ipc.semmsl | Max semaphores per id |
| kern.ipc.semmnu | Maximum number of undo structures in the system |
| kern.ipc.semmns | Maximum number of semaphores in the system |
| kern.ipc.semmni | Number of semaphore identifiers |
| kern.ipc.msqids | Array of struct msqid_kernel for each potential message queue |
| kern.ipc.msgseg | Number of message segments |
| kern.ipc.msgssz | Size of a message segment |
| kern.ipc.msgtql | Maximum number of messages in the system |
| kern.ipc.msgmnb | Maximum number of bytes in a queue |
| kern.ipc.msgmni | Number of message queue identifiers |
| kern.ipc.msgmax | Maximum message size |
| kern.ipc.aio | socket AIO stats |
| kern.ipc.piperesizeallowed | Pipe resizing allowed |
| kern.ipc.piperesizefail | Pipe resize failures |
| kern.ipc.pipeallocfail | Pipe allocation failures |
| kern.ipc.pipefragretry | Pipe allocation retries due to fragmentation |
| kern.ipc.pipekva | Pipe KVA usage |
| kern.ipc.maxpipekva | Pipe KVA limit |
| kern.ipc.umtx_max_robust | Maximum number of robust mutexes allowed for each thread |
| kern.ipc.umtx_vnode_persistent | False forces destruction of umtx attached to file, on last close |
| kern.ipc.sfstat | sendfile statistics |
| kern.ipc.nmbufs | Maximum number of mbufs allowed |
| kern.ipc.nmbjumbo16 | Maximum number of mbuf 16k jumbo clusters allowed |
| kern.ipc.nmbjumbo9 | Maximum number of mbuf 9k jumbo clusters allowed |
| kern.ipc.nmbjumbop | Maximum number of mbuf page size jumbo clusters allowed |
| kern.ipc.nmbclusters | Maximum number of mbuf clusters allowed |
| kern.ipc.num_snd_tags | # of active mbuf send tags |
| kern.ipc.maxmbufmem | Maximum real memory allocatable to various mbuf types |
| kern.ipc.mb_use_ext_pgs | Use unmapped mbufs for sendfile(2) and TLS offload |