Re: [Gems-users] Tracing TLB Misses

[Dan Gibson <degibson@xxxxxxxx>]

I think this probably wasn't meant for the gems-users list =).
I logged in and changed Luke's password to something else. I'll give 
Luke the new password personally.
Regards,
Dan Gibson

Philip Garcia wrote:
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> okay, I set you up an account on my workstation  
> 3632-10.ece.wisc.edu.  The username is lyen and the password is  
> lyen2006.   I have also gone ahead and added a symlink to gems in  
> your directory called luke-simics.   I have tested, and opal appears  
> to compile fine in there.  in simics/home/MOESI_CMP_directory there's  
> a runme script i've been launching simics with that sets the  
> parameters, and loads the image.   I should be able to stop by a bit  
> after 3.  One of my labmates is giving a practice defense, and so I  
> want to goto that for a bit before I run off.
> Phil
> On Nov 20, 2006, at 10:19 AM, Luke Yen wrote:
>
>   
> > Hi Nikolas,
> >
> >   The way to do this is to register an exception callback so that  
> > Simics
> > can inform you whenever it is about to take an exception, and when
> > the exception completes:
> >
> >     SIM_hap_register_callback("Core_Exception", (cb_func_no_t)
> > ctrl_exception_start, (void *) NULL);
> >   SIM_hap_register_callback("Core_Exception_Return", (cb_func_no_t)
> > ctrl_exception_done, (void *) NULL);
> >
> >    You can do this using a Python script (independent of Opal or Ruby,
> > useful if you just want to profile without loading those modules).  
> > or do
> > this using C code in Ruby or Opal.
> >
> >   Then Simics will call ctrl_exception_start() before each  
> > exception (including TLB),
> > and ctrl_exception_done() after each exception completes.   
> > Arguments for
> > the callback functions are:
> >
> >   void ctrl_exception_start(void* desc, void* cpu, integer_t val)
> >
> >   where val is the exception number.  Again you can implement the  
> > callback
> > functions in python or C code.
> >
> >   Regards,
> >   Luke
> >
> > On Mon, 20 Nov 2006 nikolaos@xxxxxxxxxx wrote:
> >
> >     
> > > Hi all,
> > >
> > > I need to trace TLB misses (both D-TLB and I-TLB), and searching  
> > > through the
> > > source code I found the pseq_t::postException function. Would it  
> > > be correct to
> > > use this function to trace when the Fast_Data_Access_MMU_Miss  
> > > (0x68) and
> > > Fast_Instruction_Access_MMU_Miss (0x64) exceptions happen? Is  
> > > postException
> > > called for all exceptions that happen in Opal-Ruby?
> > >
> > > Thanks a lot,
> > >
> > > Nikolas Galanis
> > > _______________________________________________
> > > Gems-users mailing list
> > > Gems-users@xxxxxxxxxxx
> > > https://lists.cs.wisc.edu/mailman/listinfo/gems-users
> > > Use Google to search the GEMS Users mailing list by adding  
> > > "site:https://lists.cs.wisc.edu/archive/gems-users/"; to your search.
> > >       
> > _______________________________________________
> > Gems-users mailing list
> > Gems-users@xxxxxxxxxxx
> > https://lists.cs.wisc.edu/mailman/listinfo/gems-users
> > Use Google to search the GEMS Users mailing list by adding  
> > "site:https://lists.cs.wisc.edu/archive/gems-users/"; to your search.
> >     
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