Run nmon -h and actually read every line – three times – you need to understand and remember it all. So they are now on-screen or saved to the nmon file in addition to the UNIX view. Over committed CPUs in a highly virtualised environment can get a lot of this. Find the duplicate idea: If you use -g auto and the -D you also get more disk stats: If you can’t find links to the above – then you just failed the Performance Tuning IQ test:

ibm nmon linux

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An unstacked graph would not work as all the lines would be on top of each other. Here is what I recommend.

ibm nmon linux

My first non is: You may have noticed nmon file names are very carefully designed: You are facing a major data management issue due to too much data. If I had a directory full of many days I would select just one day.

ibm nmon linux

Sc reen Shot s nmon for Linux Help – http: On AIX, there is the topas command that can ljnux reports to a file but this is not in a format that can be used easily as a source for a spread sheet or web tools like rrdtool.

If it is a once only exercise then you are not going to want to find the hardware and spend a couple of weeks setting these tools up. Please help improve it by removing promotional content and inappropriate external linksand by adding encyclopedic content written from a neutral point of view.


Next we save these to a. This article contains content that is written like an advertisement. Kbm Blog Log in to participate. Excel is likely to grind the laptop a halt and then explode at a few MB of data. Lower is better for efficient use of CPUs. They deserve what that asked for: You don’t have a nmon problem or a Excel problem but you do have a too much data problem.

Well, I hope this lets you quickly analyse vast numbers of nmon file.

nmon for Linux v16 – New Stats, On-screen Facelift & more (AIXpert Blog)

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A couple of times a month I get a question like this: If you stop and think, it is obvious that you are never ever going to load 35 GB in to Excel on a laptop with 8 to 16 GB of memory. Please help improve it or discuss these issues on the talk page.

ibm nmon linux

Don’t try to do a capacity planning exercise using performance tuning data. Above you can quickly determine your spare capacity and how Linux is spreading work across threads and cores. A great way to ignore sudden peaks in volatile stats.


nmon analyser — A free tool to produce AIX performance reports

Use h to display a list of the options. We can also do some sanity checks: Below we now noticed the CPU cores in a single machine or VM can be running at different MHz ratings so we captures them On-screen and in the nmon file. I am going to assume you are a real technical person – no Windows tools here!

In our example we should quiz the IT staff to decide a busy day then focus on that – latter we might explore other days for comparison.

Previous Entry Main Next Entry. AIXpert Blog Log in to participate. Which are out side of the Best Practice settings? If you are get to the European or USA ones you have a good change of meeting me and linuux me for one of my own sessions!

So we have have 6 directors for the 6 servers and roughly 40 LPARs for for ish days. Linux utility dstat can be used to produce text data, even in comma separated value format, which is quite suitable for spreadsheet programs. AIXpert Blog Log in to participate.