Linux Performance Tools-SAR learning

Brief introduction

SAR is a performance tool under Linux that can observe information such as CPU, memory, IO, run queue, context switch per second, and so on.

Software Tools Installation

#Ubuntu sudo Install sysstat# CentOS Yum Install  -ivh sysstat-10.0. 0-1. i586.rpm

SOURCE Installation

1 #Download2 wgethttp//pagesperso-orange.fr/sebastien.godard/sysstat-10.0.0.tar.bz23#Tarand CD4 Tar-XVJF sysstat-10.0.0.Tar. bz25CD sysstat-10.0.0/6#configure ("--help"can help you understand the parameters)7#--enable-Install-cron Auto startup when Linux start8./configure--enable-Install-Cron9# MakeTen  Make One# Make Install, SAR and Systat tools would be locatedinch/usr/local/bin A sudo  Make Install

Beta version

Statistical information

1) CPU Statistic information

1 1 3 (31time)

2) Memory Idle and utilization

3) Swap space already in use

4) Integrated I/O activity data

5) Standalone block device I/O activity data

6) display the actual device name at the same time

7) Show Context switch per second

8) Run Queue and load report

9) Other functions, please man SAR

Linux Performance Tools-SAR learning