Sysstat 11.0.7 / 11.1.7

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Sysstat, Sar, sadf, iostat, pidstat,mpstat, nfsiostat and cifsiostat commands for Linux.

Updated by godard on Tuesday, September 22, 2015.

The sysstat package contains the sar, sadf, iostat, nfsiostat, cifsiostat, pidstat and mpstat commands for Linux. The sar command collects and reports system activity information. The information collected by sar can be saved in a file in a binary format for future inspection. The statistics reported by sar concern I/O transfer rates, paging activity, process-related activities, interrupts, network activity, memory and swap space utilization, CPU utilization, kernel activities and TTY statistics, among others. The sadf command may be used to display data collected by sar in various formats (CSV, XML, database-friendly, etc.). The iostat command reports CPU utilization and I/O statistics for disks and network filesystems. The pidstat command reports statistics for Linux tasks (processes). The mpstat command reports global and per-processor statistics. Both UP and SMP machines are fully supported. Sysstat has also support for hotplug CPU's, and for National Language (NLS). The nfsiostat command reports I/O statistics for network filesystems. The cifsiostat command reports I/O statistics for CIFS filesystems.

Platforms: Linux

Latest releases :

11.1.7 [Devel]
September 22, 2015
This version adds color support for sar, iostat and mpstat commands.It also includes important fixes for tapestat (compilation problems) and pidstat.
11.0.7 [Stable]
Various fixes (pidstat, iostat).
11.0.6 [Stable]
This version includes bug fixes.
11.1.6 [Devel]
This version includes a new command (tapestat) aimed at displaying statistics for tape drives connected to the system.It also includes bug fixes.

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Contact Information

Author / maintainer:
Sebastien Godard
Web site:

User reviews

Displaying 3 of 3 comments.
By Anonymous on Sunday, March 18, 2007.

Download this as wanted sar. Old Solaris administrator. Immediately very impressed with the sar command, as it gives more information than that with Solaris.

Sar is back in my life at last
By Anonymous on Friday, December 14, 2001.

A very good tool that I used to use in the old SVR3/4 days of my life and it's back. Thanks Sebastien.

Sysstat - sar and iostat
By Chris Drabble on Saturday, July 1, 2000.

An invaluable set of utilities! Sar is found throughout the Unix world and I'm glad it's also on Linux - good one!.

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