sysstat (''system statistics'') is a collection of
performance monitoring
A performance is an act of staging or presenting a play, concert, or other form of entertainment. It is also defined as the action or process of carrying out or accomplishing an action, task, or function.
Management science
In the work place ...
tools for Linux. It is available on
Unix
Unix (; trademarked as UNIX) is a family of multitasking, multiuser computer operating systems that derive from the original AT&T Unix, whose development started in 1969 at the Bell Labs research center by Ken Thompson, Dennis Ritchie, ...
and
Unix-like
A Unix-like (sometimes referred to as UN*X or *nix) operating system is one that behaves in a manner similar to a Unix system, although not necessarily conforming to or being certified to any version of the Single UNIX Specification. A Unix-li ...
operating systems
An operating system (OS) is system software that manages computer hardware, software resources, and provides common services for computer programs.
Time-sharing operating systems schedule tasks for efficient use of the system and may also in ...
.
Software included in sysstat package:
*
sar Collect, report, or save system activity information.
*
iostat
iostat (''input/output statistics'') is a computer system monitor tool used to collect and show operating system storage input and output statistics. It is often used to identify performance issues with storage devices, including local disks, or ...
(1) reports basic CPU statistics and input/output statistics for devices, partitions and network filesystems.
*
mpstat
mpstat is a computer command-line software used in Unix-type operating systems to report (on the screen) processor-related statistics. It is used in computer monitoring in order to diagnose problems or to build statistics about a computer's CPU ...
(1) reports individual or combined processor related statistics.
*
pidstat(1) reports statistics for Linux tasks (processes) : I/O, CPU, memory, etc.
*
nfsiostat(1) reports input/output statistics for network filesystems (NFS).
*
cifsiostat(1) reports I/O statistics for CIFS resources.
References
2. "http://sebastien.godard.pagesperso-orange.fr/". , SYSSTAT Utilities Homepage. Retrieved 21 September 2020
See also
*
sar (Unix)
System Activity Report (sar) is a Unix System V-derived system monitor command used to report on various system loads, including CPU activity, memory/paging, interrupts, device load, network and swap space utilization. Sar uses /proc filesys ...
Utility software
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