Re: [Gems-users] Ruby statistics issue

[Dan Gibson <degibson@xxxxxxxx>]

You need to run Simics (e.g., with cpu0.step-break and c) after loading and init-ing Ruby (see below inlined).

Regards,
Dan

On Sun, Jul 19, 2009 at 1:52 PM, <holey003@xxxxxxx> wrote:

Hi,

I am running 'conswtch' transactional benchmark provided in GEMS. Simics is
configured as 4 core CMP. I have compiled ruby using the instruction given
on this webpage
http://www.cs.wisc.edu/gems/doc/gems-wiki/moin.cgi/QuickStart i.e. using
command "make PROTOCOL=MOSI_SMP_bcast DESTINATION=MOSI_SMP_bcast". But at
the end of simulation, all the ruby statistics are zero. Looks like
simulation run is disconnected from ruby. I have used following script for
the run.

##### Simulation script starts ######
magic-break-enable
read-configuration
"/scratch/tianwu/para_taint/htm/simics_space/simics-3.0.30/bin/anup_space/fourCPUtest_new.chk"
#con0.input "psrset -c 0 \n"
con0.input "psrset -c 1 \n"
con0.input "psrset -c 2 \n"
con0.input "psrset -c 3 \n"
con0.input "/host/benchmarks/conswtch/conswtch 3 3 \n"
c
cpu0.step-break 200000000
c
istc-disable
dstc-disable
stc-status
conf.sim.cpu_switch_time = 1
magic-break-enable
cpu0.step-break 100000

instruction-fetch-mode instruction-fetch-trace
instruction-fetch-mode
c
load-module ruby
ruby0.setparam g_PROCS_PER_CHIP 1
ruby0.setparam g_NUM_PROCESSORS 4
ruby0.init
cpu0.step-break 10000000

# Don't forget a 'c' here!
c
 

ruby0.dump-short-stats ./stats_short.txt
ruby0.dump-stats ./stats.txt

###### Script ends #######

Following is a compact data from stats I got. Everything is zero.

Ruby_current_time: 1
Ruby_start_time: 1
Ruby_cycles: 0

Total_misses: 0
total_misses: 0 [ 0 0 0 0 ]
user_misses: 0 [ 0 0 0 0 ]
supervisor_misses: 0 [ 0 0 0 0 ]

instruction_executed: 4 [ 1 1 1 1 ]
simics_cycles_executed: 4 [ 1 1 1 1 ]
cycles_per_instruction: 0 [ 0 0 0 0 ]
misses_per_thousand_instructions: 0 [ 0 0 0 0 ]

transactions_started: 0 [ 0 0 0 0 ]
transactions_ended: 0 [ 0 0 0 0 ]
instructions_per_transaction: 0 [ 0 0 0 0 ]
cycles_per_transaction: 0 [ 0 0 0 0 ]
misses_per_transaction: 0 [ 0 0 0 0 ]


What could go wrong in such case?

Thanks and regards,
Anup
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