Changeset View
Changeset View
Standalone View
Standalone View
usr.bin/systat/systat.1
Show First 20 Lines • Show All 273 Lines • ▼ Show 20 Lines | |||||
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. | and a summary of disk activity. | ||||
bcr: I would change the last "and" here to "as well as" to make this long sentence a bit more… | |||||
The next column is the total space available in the partition. | .Pp | ||||
The swap areas are displayed first with their name, sizes and | |||||
percentage usage. | |||||
Done Inline Actionss/percentage usage/usage percentage/ bcr: s/percentage usage/usage percentage/ | |||||
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. | ||||
.Pp | |||||
Below the swap space statistics, | |||||
processes are listed in order of higher swap area usage. | |||||
Pid, username, a part of command line, the total number of swap spaces | |||||
kibUnsubmitted Done Inline Actions..., the total use of swap space in bytes, ... kib: ..., the total use of swap space in bytes, ... | |||||
in bytes, the size of process, and per-process swap usage percentage and | |||||
Done Inline Actionss/and/as well as/ (in this line here, see above) bcr: s/and/as well as/ (in this line here, see above) | |||||
per-system swap space percentage. | |||||
.Pp | |||||
At the bottom left is the disk usage display. | |||||
It reports the number of | |||||
kilobytes per transaction, transactions per second, megabytes | |||||
per second and the percentage of the time the disk was busy averaged | |||||
over the refresh period of the display (by default, five seconds). | |||||
The system keeps statistics on most every storage device. | |||||
In general, up | |||||
to seven devices are displayed. | |||||
The devices displayed by default are the | |||||
first devices in the kernel's device list. | |||||
See | |||||
.Xr devstat 3 | |||||
and | |||||
.Xr devstat 9 | |||||
for details on the devstat system. | |||||
.It Ic vmstat | .It Ic vmstat | ||||
Take over the entire display and show a (rather crowded) compendium | Take over the entire display and show a (rather crowded) compendium | ||||
of statistics related to virtual memory usage, process scheduling, | of statistics related to virtual memory usage, process scheduling, | ||||
device interrupts, system name translation caching, disk I/O etc. | device interrupts, system name translation caching, disk I/O etc. | ||||
.Pp | .Pp | ||||
The upper left quadrant of the screen shows the number | The upper left quadrant of the screen shows the number | ||||
of users logged in and the load average over the last one, five, | of users logged in and the load average over the last one, five, | ||||
and fifteen minute intervals. | and fifteen minute intervals. | ||||
▲ Show 20 Lines • Show All 361 Lines • Show Last 20 Lines |
I would change the last "and" here to "as well as" to make this long sentence a bit more legible. Otherwise, it's just one long sentence connected by and's. I'm prone to do this myself, but I think we don't need to break up this sentence into two either.