Please look at the snapshot of file below. This was causing trouble. I will
reproduce the problem if it does not make sense. np=2 was causing trouble. I
changes it to options.num_cpus=2, np=options.num_cpus and it worked. But if it
works for you, I might be wrong somewhere else.
#models multicore processor with two c with the new bus model
# Simple test script
#
# "m5 test.py"
import m5
from m5.objects import *
import os, optparse, sys
m5.AddToPath('../common')
import Simulation
from Caches import *
#from SharedBus import *
from cpu2000 import *
# Get paths we might need. It's expected this file is in m5/configs/example.
config_path = os.path.dirname(os.path.abspath(__file__))
config_root = os.path.dirname(config_path)
m5_root = os.path.dirname(config_root)
parser = optparse.OptionParser()
# Benchmark options
parser.add_option("-c", "--cmd",
default=os.path.join(m5_root,
"tests/test-progs/hello/bin/alpha/linux/hello"),
help="The binary to run in syscall emulation mode.")
parser.add_option("-o", "--options", default="",
help="The options to pass to the binary, use \" \" around the
entire\
string.")
parser.add_option("-i", "--input", default="",
help="A file of input to give to the binary.")
parser.add_option("--bench", action="store", type="string", default=None,
help="base names for --take-checkpoint and
--checkpoint-restore")
parser.add_option("-S", "--simpoint", action="store_true", default=False,
help="""Use workload simpoints as an instruction offset for
--checkpoint-restore or --take-checkpoint.""")
#Benchmark and Node options#
parser.add_option("-B", "--Benchmark", action="store")
parser.add_option("-N", "--Node", action="store",type="int")
parser.add_option("-O", "--Opt", action="store")
#
execfile(os.path.join(config_root, "common", "Options.py"))
(options, args) = parser.parse_args()
if options.detailed:
#check for SMT workload
workloads = options.cmd.split(';')
if len(workloads) > 1:
process = []
smt_idx = 0
inputs = []
if options.input != "":
inputs = options.input.split(';')
for wrkld in workloads:
smt_process = LiveProcess()
smt_process.executable = wrkld
smt_process.cmd = wrkld + " " + options.options
if inputs and inputs[smt_idx]:
smt_process.input = inputs[smt_idx]
process += [smt_process, ]
smt_idx += 1
if args:
print "Error: script doesn't take any positional arguments"
sys.exit(1)
if options.bench:
try:
if m5.build_env['TARGET_ISA'] != 'alpha':
print >>sys.stderr, "Simpoints code only works for Alpha ISA at
this time"
sys.exit(1)
exec("workload = %s('alpha', 'tru64', 'ref')" % options.bench)
process = workload.makeLiveProcess()
except:
print >>sys.stderr, "Unable to find workload for %s" % options.bench
sys.exit(1)
(CPUClass, test_mem_mode, FutureClass) = Simulation.setCPUClass(options)
#--------------------------------------------------------------------#
np =2
Benchmark=options.Benchmark
Node=options.Node
opt=options.Opt
#--------------------------------------------------------------------#
---- Original message ----
>Date: Sun, 26 Oct 2008 23:00:57 -0700
>From: Ali Saidi <[EMAIL PROTECTED]>
>Subject: Re: [m5-users] switch cpus problem
>To: M5 users mailing list <[email protected]>
>
>I don't understand how this can be an issue. Setting options.num_cpus
>from the command line should be equivalent to setting it in the code.
>Where are you setting it by hand? After it's used in fs.py?
>
>Ali
>
>
>
>On Oct 26, 2008, at 10:42 PM, Shoaib Akram wrote:
>
>> its kindof ugly what i am doing but...Instead of taking the number
>> of cpus from command line i am setting options.num_cpus=2 and then
>> np=options.num_cpus....if i do np=2 directly, I had that problem...
>>
>> ---- Original message ----
>>> Date: Fri, 24 Oct 2008 14:50:51 -0700
>>> From: "nathan binkert" <[EMAIL PROTECTED]>
>>> Subject: Re: [m5-users] switch cpus problem
>>> To: "M5 users mailing list" <[email protected]>
>>>
>>> I don't quite understand the problem, but if there is a bug we need
>>> to
>>> fix, a diff would be appreciated.
>>>
>>> Nate
>>>
>>> On Fri, Oct 24, 2008 at 2:46 PM, Shoaib Akram
>>> <[EMAIL PROTECTED]> wrote:
>>>> turns out that, changing
>>>> options.num_cpus=2
>>>> np=options.num_cpus
>>>> with np=2 was causing the problem...strange?
>>>>
>>>> ---- Original message ----
>>>>> Date: Fri, 24 Oct 2008 15:48:20 -0400
>>>>> From: Ali Saidi <[EMAIL PROTECTED]>
>>>>> Subject: Re: [m5-users] switch cpus problem
>>>>> To: M5 users mailing list <[email protected]>
>>>>>
>>>>> It seems like your checkpoint didn't have 2 cpus in it. If you
>>>>> look at
>>>>> m5.cpt do you see a system.cpu1 section?
>>>>>
>>>>> Ali
>>>>>
>>>>> On Oct 24, 2008, at 2:56 PM, Shoaib Akram wrote:
>>>>>
>>>>>> I am usig default Simulation.py. I think it is doing what you
>>>>>> mentioned plus I have used fast-forward with multiple cpus some
>>>>>> months back (dont know which release of m5 was it )...By the way,
>>>>>> when I use the method you describe, I get,
>>>>>>
>>>>>> Restoring from checkpoint
>>>>>> fatal: Can't unserialize 'system.cpu1:_status'
>>>>>>
>>>>>>
>>>>>> ---- Original message ----
>>>>>>> Date: Fri, 24 Oct 2008 13:26:30 -0400
>>>>>>> From: Ali Saidi <[EMAIL PROTECTED]>
>>>>>>> Subject: Re: [m5-users] switch cpus problem
>>>>>>> To: M5 users mailing list <[email protected]>
>>>>>>>
>>>>>>> It should work, although I generally use the checkpoint, restore,
>>>>>>> switch method when sampling. There might be a problem with fast-
>>>>>>> forwarding with multiple cpus. You should take a look at
>>>>>>> Simulation.py
>>>>>>> and see what happens after the atomic cpu exits. All the atompc
>>>>>>> cpus
>>>>>>> should be replaced with timing or detailed cpus and the atomic
>>>>>>> cpus
>>>>>>> should be deactivated. Are you sure you're specifying a different
>>>>>>> type
>>>>>>> of CPU after the switch?
>>>>>>>
>>>>>>> Ali
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> On Oct 24, 2008, at 6:17 AM, Shoaib Akram wrote:
>>>>>>>
>>>>>>>> I made some changes to memory system and collected data for
>>>>>>>> several
>>>>>>>> uniprocessor experiemts.However, for multiprogramming
>>>>>>>> workloads I
>>>>>>>> ran into this assertion at switch of cpus.
>>>>>>>>
>>>>>>>> m5.opt: build/ALPHA_SE/cpu/simple/atomic.cc:202: virtual void
>>>>>>>> AtomicSimpleCPU::resume(): Assertion `system->getMemoryMode() ==
>>>>>>>> Enums::atomic' failed.
>>>>>>>>
>>>>>>>> Any idea whats wrong? I use --fast-forward=X --max-inst=Y to
>>>>>>>> fast
>>>>>>>> forwarding.
>>>>>>>> _______________________________________________
>>>>>>>> m5-users mailing list
>>>>>>>> [email protected]
>>>>>>>> http://m5sim.org/cgi-bin/mailman/listinfo/m5-users
>>>>>>>>
>>>>>>>
>>>>>>> _______________________________________________
>>>>>>> m5-users mailing list
>>>>>>> [email protected]
>>>>>>> http://m5sim.org/cgi-bin/mailman/listinfo/m5-users
>>>>>> _______________________________________________
>>>>>> m5-users mailing list
>>>>>> [email protected]
>>>>>> http://m5sim.org/cgi-bin/mailman/listinfo/m5-users
>>>>>>
>>>>>
>>>>> _______________________________________________
>>>>> m5-users mailing list
>>>>> [email protected]
>>>>> http://m5sim.org/cgi-bin/mailman/listinfo/m5-users
>>>> _______________________________________________
>>>> m5-users mailing list
>>>> [email protected]
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>>>>
>>>>
>>> _______________________________________________
>>> m5-users mailing list
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>>> http://m5sim.org/cgi-bin/mailman/listinfo/m5-users
>> _______________________________________________
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>>
>
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