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This article mainly explains "how to use the host performance analysis tool nmon under the Linux system". The explanation in the article is simple and clear and easy to learn and understand. please follow the editor's train of thought to study and learn "how to use the host performance analysis tool nmon under the Linux system".

Nmon is a tool that collects and analyzes the performance data of AIX or Linux hosts. It is easy to use. There are mainly two, one is a tool for nmon to collect data, commonly known as nmon_**, such as nmon_aix5.3, and the other is a tool for analyzing results, which is an excel file named: nmon analyser v33A.xls.

Nmon displays all important performance tuning information on a single screen and updates it dynamically. You can also capture the same data to a text file to facilitate later analysis and graphics of the report.

The nmon_analyser tool takes files generated by the NMON performance tool as input, converts them to Microsoft Excel spreadsheets, and automatically generates the corresponding graphics.

The nmon tool provides AIX and Linux performance experts with the ability to monitor and analyze performance data, including:

CPU utilization rate

Memory usage

Kernel statistics and run queue information

Disk Icano speed, transfer and read / write ratio

Free space in the file system

Disk adapter

Network Icano speed, transmission and read / write ratio

Page space and page speed

Processes that consume the most resources

Computer details and resources

IBM does not provide formal support for the tool, and you have to use it at your own risk, but you can get a lot of valuable performance statistics from it. Among them, the nmon for linux version was open source on July 27th, 2009.

Take a look at the basic installation and use of nmon

Nmon (short for nigel's monitor) is a tool for displaying system performance information.

The code is as follows:

$sudo apt-get install nmon

$nmon

Nmon can display information about netwrok,cpu, memory and disk usage.

Nmon displays cpu information (press c)

Nmon displays network information (press n)

Nman displays disk information (press d)

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