.. -*- coding: utf-8 -*-
================
OS statistics.
================
.. contents::
CPU consumption.
================
Linux interactive.
------------------
::
$ top
$ htop
http://htop.sourceforge.net/
home page
Linux static.
-------------
::
$ ps -eo %cpu,pid,cmd --sort=%cpu
FreeBSD interactive.
--------------------
::
$ top
Windows.
--------
::
cmd> taskmgr
Solaris.
--------
Interactive::
$ perfmeter
Static::
$ prstat
$ mpstat <num> <seconds>
See
http://developers.sun.com/solaris/articles/prstat.html
Topping top in Solaris 8 with prstat.
Memory consumption.
===================
Linux interactive.
------------------
::
$ top
Linux static.
-------------
Vitual and resident memory size::
$ ps -eo vsz,rsz,pid,cmd --sort=vsz --width 3000
Swap size and usage::
$ free
FreeBSD interactive.
--------------------
::
$ top
FreeBSD static.
---------------
Swap size::
$ swapinfo
$ pstat -s
Swap usage::
$ vmstat
Solaris.
--------
::
$ sar -g
$ vmstat
$ prstat -s size
$ prstat -a
Windows.
--------
::
cmd> taskmgr
and add colums TODO.
Opened file by process.
=======================
Linux.
------
::
$ lsof -p <pid>
FreeBSD.
--------
::
$ fstat -p <pid>
Windows interactive.
--------------------
procexp.exe from Sysinternals.
Windows static.
---------------
handle.exe from Sysinternals::
cmd> handle -p 1265
C: File (RW-) C:\Program Files\Common Files\GTK\2.0\bin
288: Section \BaseNamedObjects\mmGlobalPnpInfo
Opened file by user.
====================
FreeBSD.
--------
::
$ fstat -u <user>
Opened network connection by process.
=====================================
Linux.
------
::
$ lsof -i[46][protocol][@{hostname|hostaddr}][:{service|port}]
46 - IPV4 or IPV6
protocol - tcp, udp
FreeBSD.
--------
TODO
Windows.
--------
::
cmd> netstat -o
Type Local addr Remote addr State PID
TCP user:1154 localhost:1153 ESTABLISHED 1512
TCP user:5152 localhost:1052 CLOSE_WAIT 1524
TCP user:1036 services.int:5222 ESTABLISHED 1188
Locked file by process.
=======================
Linux.
------
::
$ lsof <file>
FreeBSD.
--------
TODO
Solaris.
--------
TODO
Windows interactive.
--------------------
procexp.exe from Sysinternals.
Windows static.
---------------
handle.exe from Sysinternals::
cmd> handle d:\home
ispell.exe pid: 244 784: D:\home\drivers\token_api\src
Far.exe pid: 432 10C: D:\home\drivers\token_api