Re: [Gems-users] ruby results

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

Is there anything that might prevent observe memory
function from being called? 

Thanks.

--- "Dave Z." <zhu_dave@xxxxxxxxx> wrote:

> Operate memory function was called many times, but
> observe memory function was not called at all.
> 
> --- Dan Gibson <degibson@xxxxxxxx> wrote:
> 
> 
> ---------------------------------
>     Add a printf("foo\n") to ruby's
> simics/commands.C
> in the operate memoryfunction and the observe memory
> function and recompile. If Ruby isreceiving
> requests,
> there should be a lot of foo's printed.
> 
> Dave Z. wrote:  
> simics> phys_mem.infoInformation about phys_mem
> [class
>
memory-space]===============================================
>                  Snoop device : none                
> 
> Timing model : ruby0Dave.--- Dan Gibson
> <degibson@xxxxxxxx> wrote:  
>       
> Try the following after
> ruby0.init:phys_mem0.infophys_mem.infoWhat does
> Simics
> print?Dave Z. wrote:    
>           
> Yes, the SIMICS_VERSION is set to 3.0 and
> theGEMS_ROOT
> is "..", which is fine. After loading      
>         
> Ruby,    
>           
> Simics runs very fast as if Ruby is not working     
> 
>         
> (which    
>           
> is true because the results are zero).Thanks,Dave---
> Dan Gibson <degibson@xxxxxxxx> wrote:        
>               
> Did you change the SIMICS_VERSION settings
> inMakefile.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
> asfollows: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:
> cpu0simics> load-module rubysuccessful installation
> of
> the ruby timing          
>                       
> model.    
>                             
> simics> ruby0.initRuby Timing ModeWarning:
> optimizations not enabled.Creating event
> queue...Creating event queue doneCreating system... 
> Processors: 2Creating system doneRuby initialization
> completesimics> c[cpu1] v:0x00000000000130c0
> p:0x001d68130c0           
>                       
> magic    
>                             
> (sethi 0x40000, %g0)Setting new inspection cpu:
> cpu1simics> cThis used to work with GEMS 1.3 and
> Simics          
>                       
> 2.2.19.    
>                             
>                 
>                 
> Is            
>                   
> there any ideas why it doesn't work with
> Simics3.0.22?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 AMSubject: [Gems-users] ruby
> resultsHi,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
> mycheckpoint, I do the
> following:instruction-fetch-mode
>
instruction-fetch-traceistc-disabledstc-disablecpu-switch-time
> 1magic-break-enableload-module rubyruby0.initThe
> 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 usinginstruction-cache-access-trace with
> a
> suitable                              
>                         
> cache                        
>                           
> line size.[cpu1 info] Note that on this
> cpu,instruction-fetch-trace is implemented
> usinginstruction-cache-access-trace with a suitable 
>  
> 
=== message truncated ===



 
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