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I am learning DTrace, and it is very powerful tool. But one problem is that DTrace outputs too much information and most of those are NS classes.
But my question is how I can filter system classes if users’ classes do not have proper prefix?
(There was a similar Stack Overflow question for this topic, [How to detect without the system method or system framework with DTrace on Mac OS X?].)
DTrace uses Filename generation-like syntax to specify probe names. E.g. you could specify first characters of a class name by using brackets
[and].E.g. if you want to filter all NS* classes:
But you have to repeat it for each prefix Apple uses, like CA, IK etc.