Use the sar -m command to report interprocess communication activities.
$ sar -m 00:00:00 msg/s sema/s 01:00:00 0.00 0.00 |
These figures are usually zero (0.00), unless you are running applications that use messages or semaphores.
The following list describes the output from the -m option.
The number of message operations (sends and receives) per second
The number of semaphore operations per second
The following abbreviated example shows output from the sar -m command.
$ sar -m SunOS balmyday 5.10 s10_51 sun4u 03/18/2004 00:00:00 msg/s sema/s 01:00:00 0.00 0.00 02:00:02 0.00 0.00 03:00:00 0.00 0.00 04:00:00 0.00 0.00 05:00:01 0.00 0.00 06:00:00 0.00 0.00 Average 0.00 0.00 |