[root@node1 ~]# man ipcs
IPCS(8) Linux Programmer’s Manual IPCS(8)
NAME
ipcs - provide information on ipc facilities
SYNOPSIS
ipcs [ -asmq ] [ -tclup ]
ipcs [ -smq ] -i id
ipcs -h
DESCRIPTION
ipcs provides information on the ipc facilities for which the calling process has read access.
The -i option allows a specific resource id to be specified. Only information on this id will be printed.
Resources may be specified as follows:
-m shared memory segments
-q message queues
-s semaphore arrays
-a all (this is the default)
The output format may be specified as follows:
-t time
-p pid
-c creator
-l limits
-u summary
SEE ALSO
ipcrm(8)
AUTHOR
krishna balasubramanian ([email protected])
Linux 0.99 9 October 1993 IPCS(8)
[root@node1 ~]# ipcs
------ Shared Memory Segments --------
key shmid owner perms bytes nattch status
0x7400821d 9601024 root 600 4 0
0x00000000 9961473 root 644 80 2
0x7400821c 9568258 root 600 4 0
0x00000000 9994243 root 644 16384 2
0x00000000 10027012 root 644 280 2
0x6c00002c 10059781 zabbix 600 995952 6
0x00000000 10092550 root 600 393216 2 dest
0x74008247 6553607 root 600 4 0
0x00000000 10125320 root 600 196608 2 dest
0x00000000 10158089 root 600 393216 2 dest
0x00000000 10190858 root 600 393216 2 dest
0x00000000 10223627 root 600 393216 2 dest
0x00000000 10256396 root 600 393216 2 dest
0x00000000 10289165 root 600 196608 2 dest
0x00000000 10321934 grid 600 393216 2 dest
0x00000000 10354703 grid 600 393216 2 dest
0x00000000 10387472 root 600 393216 2 dest
0x00000000 10420241 grid 600 393216 2 dest
0x00000000 10453010 grid 600 393216 2 dest
0x00000000 10485779 grid 600 196608 2 dest
0x00000000 10518548 grid 600 393216 2 dest
0x00000000 10551317 oracle 600 393216 2 dest
0x00000000 10584086 oracle 600 393216 2 dest
0x00000000 10616855 oracle 600 393216 2 dest
0x00000000 10649624 oracle 600 393216 2 dest
0x00000000 10682393 oracle 600 196608 2 dest
0x00000000 10715162 oracle 600 393216 2 dest
0x00000000 11632667 grid 640 4096 0
0x00000000 11665436 grid 640 4096 0
0xa65c9e90 11698205 grid 640 4096 0
0x00000000 11763742 oracle 640 4096 0
0x00000000 11796511 oracle 640 4096 0
0x0dbf9df8 11829280 oracle 640 4096 0
0x00000000 11042850 grid 600 196608 2 dest
0x00000000 11075619 grid 600 393216 2 dest
------ Semaphore Arrays --------
key semid owner perms nsems
0x000000a7 0 root 600 1
0x7a00002c 32769 zabbix 600 13
0xe43eb780 688130 grid 640 684
0x4f50ede4 819203 oracle 640 154
------ Message Queues --------
key msqid owner perms used-bytes messages
[root@node1 ~]#
[root@node1 ~]# ipcs -m
------ Shared Memory Segments --------
key shmid owner perms bytes nattch status
0x7400821d 9601024 root 600 4 0
0x00000000 9961473 root 644 80 2
0x7400821c 9568258 root 600 4 0
0x00000000 9994243 root 644 16384 2
0x00000000 10027012 root 644 280 2
0x6c00002c 10059781 zabbix 600 995952 6
0x00000000 10092550 root 600 393216 2 dest
0x74008247 6553607 root 600 4 0
0x00000000 10125320 root 600 196608 2 dest
0x00000000 10158089 root 600 393216 2 dest
0x00000000 10190858 root 600 393216 2 dest
0x00000000 10223627 root 600 393216 2 dest
0x00000000 10256396 root 600 393216 2 dest
0x00000000 10289165 root 600 196608 2 dest
0x00000000 10321934 grid 600 393216 2 dest
0x00000000 10354703 grid 600 393216 2 dest
0x00000000 10387472 root 600 393216 2 dest
0x00000000 10420241 grid 600 393216 2 dest
0x00000000 10453010 grid 600 393216 2 dest
0x00000000 10485779 grid 600 196608 2 dest
0x00000000 10518548 grid 600 393216 2 dest
0x00000000 10551317 oracle 600 393216 2 dest
0x00000000 10584086 oracle 600 393216 2 dest
0x00000000 10616855 oracle 600 393216 2 dest
0x00000000 10649624 oracle 600 393216 2 dest
0x00000000 10682393 oracle 600 196608 2 dest
0x00000000 10715162 oracle 600 393216 2 dest
0x00000000 11632667 grid 640 4096 0
0x00000000 11665436 grid 640 4096 0
0xa65c9e90 11698205 grid 640 4096 0
0x00000000 11763742 oracle 640 4096 0
0x00000000 11796511 oracle 640 4096 0
0x0dbf9df8 11829280 oracle 640 4096 0
0x00000000 11042850 grid 600 196608 2 dest
0x00000000 11075619 grid 600 393216 2 dest
[root@node1 ~]# ipcs -s
------ Semaphore Arrays --------
key semid owner perms nsems
0x000000a7 0 root 600 1
0x7a00002c 32769 zabbix 600 13
0xe43eb780 688130 grid 640 684
0x4f50ede4 819203 oracle 640 154
[root@node1 ~]# ipcs -q
------ Message Queues --------
key msqid owner perms used-bytes messages
[root@node1 ~]#
[root@node1 ~]# ipcs -l
------ Shared Memory Limits --------
max number of segments = 4096
max seg size (kbytes) = 67108864
max total shared memory (kbytes) = 134217728
min seg size (bytes) = 1
------ Semaphore Limits --------
max number of arrays = 2048
max semaphores per array = 5010
max semaphores system wide = 641280
max ops per semop call = 5010
semaphore max value = 32767
------ Messages: Limits --------
max queues system wide = 16
max size of message (bytes) = 65536
default max size of queue (bytes) = 65536
[root@node1 ~]#
[root@node1 ~]#
[root@node1 ~]# ipcs -u
------ Shared Memory Status --------
segments allocated 35
pages allocated 2131
pages resident 1231
pages swapped 0
Swap performance: 0 attempts 0 successes
------ Semaphore Status --------
used arrays = 4
allocated semaphores = 852
------ Messages: Status --------
allocated queues = 0
used headers = 0
used space = 0 bytes
[root@node1 ~]#
[root@node1 ~]# ipcs -t
------ Shared Memory Attach/Detach/Change Times --------
shmid owner attached detached changed
9601024 root Dec 1 19:18:46 Dec 1 19:18:46 Dec 1 19:18:46
9961473 root Dec 1 19:18:49 Dec 1 19:18:49 Dec 1 19:18:49
9568258 root Dec 1 19:18:46 Dec 1 19:18:46 Dec 1 19:18:46
9994243 root Dec 1 19:18:49 Dec 1 19:18:49 Dec 1 19:18:49
10027012 root Dec 1 19:18:49 Dec 1 19:18:49 Dec 1 19:18:49
10059781 zabbix Dec 4 11:43:56 Dec 4 11:43:56 Dec 1 19:22:12
10092550 root Dec 1 19:22:18 Dec 1 19:22:18 Dec 1 19:22:17
6553607 root Dec 1 19:18:42 Dec 1 19:18:45 Dec 1 19:18:42
10125320 root Dec 1 19:22:18 Dec 1 19:22:18 Dec 1 19:22:17
10158089 root Dec 1 19:22:18 Dec 1 19:22:18 Dec 1 19:22:18
10190858 root Dec 1 19:22:18 Not set Dec 1 19:22:18
10223627 root Dec 1 19:22:18 Not set Dec 1 19:22:18
10256396 root Dec 1 19:22:19 Dec 1 19:22:19 Dec 1 19:22:18
10289165 root Dec 1 19:22:19 Dec 1 19:22:19 Dec 1 19:22:19
10321934 grid Dec 1 19:22:20 Dec 1 19:22:20 Dec 1 19:22:19
10354703 grid Dec 1 19:35:43 Dec 1 19:35:43 Dec 1 19:22:19
10387472 root Dec 1 19:22:20 Not set Dec 1 19:22:20
10420241 grid Dec 1 19:22:20 Not set Dec 1 19:22:20
10453010 grid Dec 1 19:22:20 Not set Dec 1 19:22:20
10485779 grid Dec 1 19:35:43 Dec 1 19:35:43 Dec 1 19:22:20
10518548 grid Dec 1 19:22:20 Not set Dec 1 19:22:20
10551317 oracle Dec 1 19:22:22 Dec 1 19:22:22 Dec 1 19:22:22
10584086 oracle Dec 1 19:22:23 Dec 1 19:22:23 Dec 1 19:22:22
10616855 oracle Dec 1 19:22:23 Not set Dec 1 19:22:23
10649624 oracle Dec 1 19:22:23 Not set Dec 1 19:22:23
10682393 oracle Dec 1 19:22:23 Dec 1 19:22:23 Dec 1 19:22:23
10715162 oracle Dec 1 19:22:23 Not set Dec 1 19:22:23
11632667 grid Dec 4 11:39:41 Dec 4 11:39:41 Dec 1 20:31:31
11665436 grid Dec 4 11:39:41 Dec 4 11:39:41 Dec 1 20:31:31
11698205 grid Dec 4 11:39:41 Dec 4 11:39:41 Dec 1 20:31:31
11763742 oracle Dec 4 11:43:49 Dec 4 11:43:49 Dec 1 20:32:39
11796511 oracle Dec 4 11:43:49 Dec 4 11:43:49 Dec 1 20:32:39
11829280 oracle Dec 4 11:43:49 Dec 4 11:43:49 Dec 1 20:32:39
11042850 grid Dec 1 19:26:21 Not set Dec 1 19:26:21
11075619 grid Dec 1 19:26:21 Not set Dec 1 19:26:21
------ Semaphore Operation/Change Times --------
semid owner last-op last-changed
0 root Tue Dec 1 19:18:50 2015 Tue Dec 1 19:18:49 2015
32769 zabbix Fri Dec 4 11:44:19 2015 Tue Dec 1 19:22:12 2015
688130 grid Fri Dec 4 11:44:18 2015 Fri Dec 4 11:44:18 2015
819203 oracle Fri Dec 4 11:44:17 2015 Fri Dec 4 11:44:17 2015
------ Message Queues Send/Recv/Change Times --------
msqid owner send recv change
[root@node1 ~]# ipcs -c
------ Shared Memory Segment Creators/Owners --------
shmid perms cuid cgid uid gid
9601024 600 root root root root
9961473 644 root root root root
9568258 600 root root root root
9994243 644 root root root root
10027012 644 root root root root
10059781 600 zabbix zabbix zabbix zabbix
10092550 600 root root root root
6553607 600 root root root root
10125320 600 root root root root
10158089 600 root root root root
10190858 600 root root root root
10223627 600 root root root root
10256396 600 root root root root
10289165 600 root root root root
10321934 600 grid oinstall grid oinstall
10354703 600 grid oinstall grid oinstall
10387472 600 root root root root
10420241 600 grid oinstall grid oinstall
10453010 600 grid oinstall grid oinstall
10485779 600 grid oinstall grid oinstall
10518548 600 grid oinstall grid oinstall
10551317 600 oracle oinstall oracle oinstall
10584086 600 oracle oinstall oracle oinstall
10616855 600 oracle oinstall oracle oinstall
10649624 600 oracle oinstall oracle oinstall
10682393 600 oracle oinstall oracle oinstall
10715162 600 oracle oinstall oracle oinstall
11632667 640 grid oinstall grid oinstall
11665436 640 grid oinstall grid oinstall
11698205 640 grid oinstall grid oinstall
11763742 640 oracle asmadmin oracle asmadmin
11796511 640 oracle asmadmin oracle asmadmin
11829280 640 oracle asmadmin oracle asmadmin
11042850 600 grid oinstall grid oinstall
11075619 600 grid oinstall grid oinstall
------ Semaphore Arrays Creators/Owners --------
semid perms cuid cgid uid gid
0 600 root root root root
32769 600 zabbix zabbix zabbix zabbix
688130 640 grid oinstall grid oinstall
819203 640 oracle asmadmin oracle asmadmin
------ Message Queues: Creators/Owners --------
msqid perms cuid cgid uid gid
[root@node1 ~]#
[root@node1 ~]# ipcs -p
------ Shared Memory Creator/Last-op --------
shmid owner cpid lpid
9601024 root 8875 8875
9961473 root 9663 9671
9568258 root 8823 8823
9994243 root 9663 9671
10027012 root 9663 9671
10059781 zabbix 15404 17619
10092550 root 15608 15701
6553607 root 7032 7032
10125320 root 15608 15701
10158089 root 15655 15713
10190858 root 15717 15538
10223627 root 15715 15538
10256396 root 15657 15797
10289165 root 15657 15797
10321934 grid 15822 15887
10354703 grid 15824 23340
10387472 root 15787 15538
10420241 grid 15883 15623
10453010 grid 15889 15623
10485779 grid 15824 23340
10518548 grid 15903 15623
10551317 oracle 16001 16062
10584086 oracle 16003 16157
10616855 oracle 16064 15777
10649624 oracle 16066 15777
10682393 oracle 16003 16157
10715162 oracle 16078 15777
11632667 grid 13735 14350
11665436 grid 13735 14350
11698205 grid 13735 14350
11763742 oracle 14766 17565
11796511 oracle 14766 17565
11829280 oracle 14766 17565
11042850 grid 15815 15623
11075619 grid 15815 15623
------ Message Queues PIDs --------
msqid owner lspid lrpid
[root@node1 ~]#