Linux performance monitoring tool nmon installation and usage tutorial analysis

1. Introduction to nmon

Nmon (Nigel's Monitor) is a free tool provided by IBM for monitoring AIX and Linux system resources. This tool can collect the server system resource consumption and output it to a specific file, and can use Excel analysis tools (Nmon Analyser) to perform statistical analysis of the data.

An open source performance monitoring tool that monitors resource consumption information of a Linux system and can output the results to a file, and then generate data files and graphical results through the nmon_analyser tool.

2. Installation and use of nmon software

1. Software Download

Linux online installation:

wget

http://sourceforge.net/projects/nmon/files/nmon_linux_14i.tar.gz

Official website download path:

http://nmon.sourceforge.net/pmwiki.php?n=Site.Download

Choose the appropriate version, my Linux is centos

2. Software Installation

1. The downloaded software is a tar compressed file

2. Unzip it

tar -zxvf nmon_linux_14i.tar.gz

After decompression, the picture is as follows:

3. Software Usage

1. Since the nmon_x86_64_centos6 file does not have execution permissions, grant it permissions first

chmod +x nmon_x86_64_centos6

2. Use nmon to start monitoring the system

Parameter explanation:

-s 10 Collect data every 10 seconds.

-c 60 collects data 60 times, that is, collects data for ten minutes.

-f The generated data file name includes the time when the file was created.

-m The directory where the generated data files are stored.

Get the following files:

4. nmon file analysis

Analysis tool download address:

https://www.ibm.com/developerworks/community/wikis/home?lang=en

Transfer the previously generated nmon data file to a Windows machine and open the analysis tool with Excel.

Click the "Analyze nmon data" button in the Excel file and select the nmon data file. This will generate an analysis result file: hostname_090824_1306.nmon.xls. Open the generated file with Excel to see the results.

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