Re: [Gems-users] ruby results

[Dan Gibson <degibson@xxxxxxxx>]

Did you change the SIMICS_VERSION settings in Makefile.simics_version 
and did you change the GEMS_ROOT setting in the two module makefiles? 
After changing, you must perform a full recompile.
Dave Z. wrote:
> I'm using the -stall option when I'm starting Simics.
> But the results are all zero. In my benchmarks, I'm
> using processor_bind to bind a thread to a processor.
> For example, the layout of my benchmarks are as
> follows:
>
> Thread0 (assigned to cpu0)
> MAGIC_BREAKPOINT;
> ...
>
> Thread1 (assigned to cpu1)
> ...
> MAGIC_BREAKPOINT;
>
> So, when Thread0 reaches the breakpoint, I load ruby
> and when Thread1 reaches the breakpoint, I dump the
> ruby stats. But the results I get are all zero. The
> Simics ouput is as follows:
>
> simics> c
> [cpu0] v:0x0000000000011184 p:0x001fdefd184  magic
> (sethi 0x40000, %g0)
> Setting new inspection cpu: cpu0
> simics> load-module ruby
> successful installation of the ruby timing model.
> simics> ruby0.init
> Ruby Timing Mode
> Warning: optimizations not enabled.
> Creating event queue...
> Creating event queue done
> Creating system...
>   Processors: 2
> Creating system done
> Ruby initialization complete
> simics> c
> [cpu1] v:0x00000000000130c0 p:0x001d68130c0  magic
> (sethi 0x40000, %g0)
> Setting new inspection cpu: cpu1
> simics> c
>
> This used to work with GEMS 1.3 and Simics 2.2.19. Is
> there any ideas why it doesn't work with Simics
> 3.0.22?
>
> Thanks a lot!
>
>
> --- Dan Gibson <degibson@xxxxxxxx> wrote:
>
>   
> > Use the -stall option on the simics command line.
> >
> > Dave Z. wrote:
> >
> >     
> > > Hi, 
> > >
> > > Is the following problem not a GEMS issue?
> > >
> > > Thanks,
> > >
> > > Dave
> > >
> > > ----- Original Message ----
> > > From: Dave Z. <zhu_dave@xxxxxxxxx>
> > > To: gems Users <gems-users@xxxxxxxxxxx>
> > > Sent: Tuesday, November 21, 2006 11:57:21 AM
> > > Subject: [Gems-users] ruby results
> > >
> > > Hi,
> > >
> > > I've upgraded my Simics version to 3.0.22.
> > >       
> > Everything
> >     
> > > seems to work fine except for the Ruby results. I'm
> > > not sure if this is a GEMS problem, but the results
> > >       
> > I
> >     
> > > get regarding the memory requests (misses,
> > >       
> > coherence
> >     
> > > events, etc.) are all zero. After reading my
> > > checkpoint, I do the following:
> > >
> > > instruction-fetch-mode instruction-fetch-trace
> > > istc-disable
> > > dstc-disable
> > > cpu-switch-time 1
> > > magic-break-enable
> > > load-module ruby
> > > ruby0.init
> > >
> > > The only thing different from my old configuration
> > >       
> > is
> >     
> > > that I get a warning info as follows:
> > >
> > > [cpu0 info] Note that on this cpu,
> > > instruction-fetch-trace is implemented using
> > > instruction-cache-access-trace with a suitable
> > >       
> > cache
> >     
> > > line size.
> > > [cpu1 info] Note that on this cpu,
> > > instruction-fetch-trace is implemented using
> > > instruction-cache-access-trace with a suitable
> > >       
> > cache
> >     
> > > line size.
> > >
> > > The Simics folks say that it's a harmless info
> > >       
> > message
> >     
> > > and the simulation results shouldn't change.
> > >
> > > Am I missing something? Has anyone had the same
> > > problem before?
> > >
> > > Thanks for your help!
> > >
> > >
> > >
> > >       
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