© Copyright IBM Corporation 2015

nmon for AIX & Linux

Getting StartedNigel Griffiths

POWER Advanced Technology Support

IBM Europe

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Let talk about

Year 18

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Let talk about nmon

View & Analysing AIX / Linux Performance data

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Let talk about nmon

View & Analysing AIX / Linux Performance data

View Online

Performance Tuning

� Right NOW !!

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Let talk about nmon

View & Analysing AIX / Linux Performance data

Post mortem Analyse���� Graphing

Capacity Tuning�Trends & resource settings

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Let talk about nmon

How many different code based for nmon?

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Let talk about nmon

How many different code based for nmon?

Answer: FIVE

1) Classic for AIX 3 & 4 ���� /dev/kmem2) Classic for AIX 5 & 6 ���� Perfstat library3) topas_nmon ���� Officially IBM supported4) nmon for Linux old ���� Closed source 5) nmon for Linux now ���� Open source

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Let talk about nmon

Where do I get my nmon?

1) Classic for AIX 3 & 4 ���� /dev/kmem2) Classic for AIX 5 & 6 ���� Perfstat library3) topas_nmon ���� Officially IBM supported4) nmon for Linux old ���� Closed source 5) nmon for Linux now ���� Open source

nmon.sourceforge.net

Download binary or codeSince AIX 5.3 TL9 & AIX 6 TL2

Default installed with AIX

Download from binaries

DeveloperWorks

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Timeline – 18 years

1997 ;. 2000 2003 2006 2009 2015

AIX 3.1.5 - 4.2

Benchmarking

Tuning/Reports

nmon for Linux

x86����POWER����x86����mainframe

embedded

x86_64

Open

Source’d

AIX command

topas_nmon

merged in to topas

nmon12f function

Released with AIX

AIX 5.3 TL09 +

AIX 6.1 TL02 +

nmon10 AIX5

Uses public API

& libperfstat

nmon9f AIX4

Last AIX 4.3.3

Used /dev/kmem

20052003

nmon12f AIX6

2008

nmon

analyser

nmon2rrd

nmon2web

nmon

Consolidator

topas CEC

reports

analyserpGraph =

java

Lotus 1-2-3

Then Excel

Website generators

Multiple machines

2007200119994.3.3

2010

60+ flavours!

nmonchart

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nmon flow

Screennmon

file

0

20

40

60

80

100

120

140

160

180

Stephen’s

nmon

AnalyserNigel’s

nmon2rrd

C filter

Java Dynamic Graphs

rrdtoolopen

source

Scripts- Create rrd

- Load rrd

- Graph rrd

index.html

-f or -F optionnmon

Federico’s

pGraph

Website +.jpg graphs

Bruce’s

nmon2web

Perl

rrdtoolopen

source

Scriptsrrdtool scripts

+ CPU & RAM

aggregation

Stephen’s

nmon

Consolidator

0

10

2 0

3 0

4 0

5 0

6 0

7 0

8 0

9 0

10 0

Excel graphs

Others

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is half the story

The other half is due to the nmon Analyser

Excel spreadsheets from Stephen Atkins, UK

Another personal time project

The sole designer/developer:� nmon analyser

� nmon Consolidation

� Topas CEC analyser

Now supported by Ron McCargar

• Thanks Ron

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More and Downloads

1. http://tinyurl.com/new-nmon-analyser

2. http://tinyurl.com/nmon4linux or

http://nmon.sourceforge.net

3. http://tinyurl.com/PerfToolsForum

4. http://tinyurl.com/OtherPerformanceTools

5. http://tinyurl.com/nmonClassic

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IBM Power Technical Universities sessions, schedule, personal agenda, feedback websiteruns on Apache on POWER8 under Linux

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Live Demonstration Time

1. nmon for AIX online blue

2. interaction with topas online ~

3. nmon for Linux website & Repository violet

4. nmon for Linux online violet

5. nmon capture blue

6. nmon files format & open in spread sheets

7. nmon Analyser nmon_Demo

8. nmonchart blue

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© 2015 IBM

15Are you keeping up to date?

mr_nmon on twitter

– Only used to POWER / AIX

technical content, hints, tips and links

125 techie hands-on videos on YouTube at

http://www.youtube.com/nigelargriffiths

AIXpert Blog

– Lots of mini articles & thoughts

– http://tinyurl.com/AIXpert

Also:– http://tinyurl.com/ibmAIXVUG

– http:/tinyurl.com/newAIXwiki