Re: [Gems-users] ruby results

["Dave Z." <zhu_dave@xxxxxxxxx>]

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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