Performance testing-System Monitoring Tool nmon

I. Overview

This article mainly describes nmon.

1. Introduction to nmon

2. Download, install and use nmon

3. Analysis and use of nmon analysis, meaning of each item

 

Ii. Details:

1. Introduction to nmon:

Nmon is a tool provided by IBM to monitor resources of Aix and Linux systems for free, this tool can collect the data consumed by server system resources and output a specific file, and then use the Analysis Tool (nmon Analyser) for statistical analysis of data.

 

Nmon records the following data:

CPU usage

Memory usage

Disk I/O speed, transfer and read/write ratio, error statistics rate, and transfer Package Size

Processes that consume the most

Computer details and resources

Page space and page I/O speed

Custom disk groups

Network File System

 

Nmon tool Workflow

Step1. execute the nmon command. The nmon tool displays the output content on the computer screen and generates a copy of The nmon file.

Step2. export the generated nmon file to the Windows operating system and use the analysis tool to analyze the generated data file

Step3. this analysis tool draws the collected data into related charts for analysis and use.

 

2. Download, install and use nmon

Nmon:

Official Website: DownloadLinuxCorresponding nmon

Other download: http://down.51cto.com/data/849411

 

A. Installation: After downloading the file, upload it to a directory in Linux, run the tar-xvf file.tar command, and decompress the package.

B. Modify the CHMOD nmon_linux_x86 permission,

C. Run./nmon_linux_x86-F-r test-S 10-C 15. A test file is generated at this time, which is used to write the monitoring results into the file in real time.

D. run. /nmon_linux_x86: the main monitoring window appears. Enter the corresponding letters according to the menu to monitor the system. For example, enter C, M, D, and N, that is, monitor CPU, memory, disks, and netword.

 

E. After a period of time, convert the generated test. nmon file into a CSV file, sort test. nmon> test.csv, and then download wondinds local

F. Open the nmon analysis tool and import test.csv to generate

 

3. Analysis and use of nmon analysis, meaning of each item

For details, refer to Google or Baidu or the nmon analysis user guide.

Performance testing-System Monitoring Tool nmon