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usr.bin/systat/systat.1
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Show the disk I/O statistics in bar graph form (default). | Show the disk I/O statistics in bar graph form (default). | ||||
.It Cm kbpt | .It Cm kbpt | ||||
Toggle the display of kilobytes per transaction. | Toggle the display of kilobytes per transaction. | ||||
(the default is to | (the default is to | ||||
not display kilobytes per transaction). | not display kilobytes per transaction). | ||||
.El | .El | ||||
.It Ic swap | .It Ic swap | ||||
Show information about swap space usage on all the | Show information about swap space usage on all the | ||||
swap areas compiled into the kernel. | swap areas compiled into the kernel and processes that are swapped out. | ||||
The first column is the device name of the partition. | The swap areas are displayed first with their name, sizes and | ||||
The next column is the total space available in the partition. | percentage usage. | ||||
Then, processes are listed in order of higher swap vm object counts. | |||||
Pid, username, a part of command line, the total number of swap objects | |||||
bcr: This sentence is just a listing with no verb. | |||||
in bytes, the size of process, and per-process swap usage percentage and | |||||
per-system swap space percentage. | |||||
A default vm objecte is converted to a swap vm objects when paging | |||||
bcrUnsubmitted Done Inline Actionss/objecte/object/ bcr: s/objecte/object/
s/objects/object/ | |||||
out to swap space first time. Even if such a swap object is paged-in, | |||||
the object remains as a swap object. | |||||
In other words, under some circumstances, the number of swap objects | |||||
may be higher than actual swap space usage. | |||||
One known case is when | |||||
.Dl $ swapoff -a | |||||
is run. | |||||
The | The | ||||
.Ar Used | .Ar Used | ||||
column indicates the total blocks used so far; | column indicates the total blocks used so far; | ||||
the graph shows the percentage of space in use on each partition. | the graph shows the percentage of space in use on each partition. | ||||
If there are more than one swap partition in use, | If there are more than one swap partition in use, | ||||
a total line is also shown. | a total line is also shown. | ||||
Areas known to the kernel, but not in use are shown as not available. | Areas known to the kernel, but not in use are shown as not available. | ||||
.It Ic vmstat | .It Ic vmstat | ||||
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This sentence is just a listing with no verb.