On Thu, 30 Mar 2006 Weihang Jiang wrote :
> Hi Min,
> Thank you for your comments. Yes, only modifying tick/stick
> registers does not make system behavior 100% consistent with GEMS
> timing. But the bottom line is, it can enable the system level
> profiling tools(e.g. DTrace) to reflect on GEMS timing. Otherwise, we
> need to do the same jobs inside GEMS to profile system behavior.
I see, this makes sense. Can you give an example profiling task
that is easy to do in DTrace and harder to do in GEMS?
> Secondly, it will reduce the frequency of interrupt handlers, which
> are relying tick,stick,tick_cmp,stick_cmp registers.
This surprises me. Can you point me to the document that describes
how interrupt frequency is relying on these registers?
|
![[Computer Systems Lab]](https://www-auth.cs.wisc.edu/pics/csl_logo.gif){kind=logo}