Description of GUICACHE
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From Kris Buelens, IBM Belgium
The GUICACHE procedure is an EXEC that allows you to easily look at all performance counters maintained by 3990-like cache controllers. The counters include things like: "number of Reads", "number of cache hits", etc. Performance monitor cache reports are also based on these counters.
The counters available from the controller are all cumulative, so by
taking a measurement before and after some VM command, you can see what
happens in the controller.
The GUICACHE EXEC does exactly this: it prompts you for a command, and then shows all counters, before and after the command and the delta.
The data can be saved in a CMS file.