Re: Monitor Stream Virtual Timer zSeries/Linux

2004-06-16 Thread Mike Fry
I have recently installed 2.4.21 of SuSe Linux (SP3) in order to use the Linux monitor stream support for z/VM. Statistics are gathered into APPLDATA monitor records and extracted via Monwrite. The data is then processed using MXG/SAS. Inspection of the data shows that the records (apart from

Re: Monitor Stream Virtual Timer zSeries/Linux

2004-06-16 Thread Rob van der Heij
Mike Fry wrote: The data is then processed using MXG/SAS. Inspection of the data shows that the records (apart from the date/time fields) are all the same. No doubt others who did play with this will know better, but iirc this will happen on an idle server because the reading the kernel meters

Re: Monitor Stream Virtual Timer zSeries/Linux

2004-06-16 Thread Barton Robinson
The implementation of these monitor buffers is inconsistent with the VM monitor architecture. They are NOT updated consistently based on time, but consistently based on CPU consumption. Thus you could NEVER correlate the Linux activity to the guest machine except by occasional accident. There are

Re: Monitor Stream Virtual Timer zSeries/Linux

2004-06-16 Thread David Kreuter
I vote no numbers. Bad numbers = bad decisions. From: Linux on 390 Port on behalf of Barton Robinson Sent: Wed 6/16/2004 12:07 PM To: [EMAIL PROTECTED] Subject: Re: Monitor Stream Virtual Timer zSeries/Linux The implementation of these monitor buffers

Re: Monitor Stream Virtual Timer zSeries/Linux

2004-06-16 Thread Rob van der Heij
David Kreuter wrote: I vote no numbers. Bad numbers = bad decisions. You can have them right now then. Happy? How about numbers that only reflect the load of computing those numbers? I believe it depends on the type of numbers. If someone is asking me about utilization of the filesystem, I don't