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calculating current memory usage

Comment:

If i run accounting/type=image and sum up the 'WS size' fields would i get the correct representation of current memory usage on the box ?

Name: Joseph.Huber
Date: May 30, 2008 at 14:48:29 Pacific

Reply:

No, image accounting gives the resource usage of terminated process/images. To get the current memory use, easiest is to use SHOW MEMORY: it summarizes everything. It depends in what You are interested (working sets, virtual size,global pages,...), You have to loop over all current processes and sum up the values using f$getjpi() lexical function. As a starting point, look into the procedure http://wwwvms.mppmu.mpg.de/vms$comm... (Was posted to comp.os.vms some years ago). It lists all process. Modify it to sum up e.g. all working set sizes.

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