Subject: Re: Using splsched()
To: Ignatios Souvatzis <firstname.lastname@example.org>
From: Chris G. Demetriou <email@example.com>
Date: 11/14/1997 11:55:02
> Eduardo Horvath says:
> > For kernel profiling you still need to build a profiling kernel and add
> > code to function entry and exits, don't you?
> No. You just need to start a timer which, periodically:
Right. That gets you # ticks / pc (-> function).
Buuilding the profiling kernel gets you call graphs, etc.
It's often ... Hard to make sense out of the raw time/function
information without information about who's calling it...
(In addition, the call graph information often makes finding gross
problems with the profiling run itself easier, so you don't go chasing