diff options
| author | Konstantin Belousov <kib@FreeBSD.org> | 2021-10-26 08:43:08 +0000 |
|---|---|---|
| committer | Konstantin Belousov <kib@FreeBSD.org> | 2021-11-01 00:44:51 +0000 |
| commit | f33a9999e2a458afe4b9c8f5cee42b30feb308ee (patch) | |
| tree | 21704f68156b2d49a18a46fbfa1e7b172934d675 /usr.bin/systat/systat.1 | |
| parent | cfccf3baca5c26feb9fb4b72a980ea85d3f4f810 (diff) | |
Augment systat(1) -swap to display large swap space processes
(cherry picked from commit 57e5da2c98003e5ab77a337e9fbe22ab7e512ba7)
Diffstat (limited to 'usr.bin/systat/systat.1')
| -rw-r--r-- | usr.bin/systat/systat.1 | 30 |
1 files changed, 27 insertions, 3 deletions
diff --git a/usr.bin/systat/systat.1 b/usr.bin/systat/systat.1 index 5ad8078a85a4..1f6ddaeafb1a 100644 --- a/usr.bin/systat/systat.1 +++ b/usr.bin/systat/systat.1 @@ -279,9 +279,11 @@ not display kilobytes per transaction). .El .It Ic swap Show information about swap space usage on all the -swap areas compiled into the kernel. -The first column is the device name of the partition. -The next column is the total space available in the partition. +swap areas compiled into the kernel and processes that are swapped out +as well as a summary of disk activity. +.Pp +The swap areas are displayed first with their name, sizes and +usage percentage. The .Ar Used column indicates the total blocks used so far; @@ -289,6 +291,28 @@ the graph shows the percentage of space in use on each partition. If there are more than one swap partition in use, a total line is also shown. 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 use of swap space +in bytes, the size of process, as well as per-process swap usage percentage and +per-system swap space percentage are shown per process. +.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 Take over the entire display and show a (rather crowded) compendium of statistics related to virtual memory usage, process scheduling, |