the two commands are: -build/X86_SE/m5.debug -d tracediff-5552-1 --trace-flags=Exec,-ExecTicks configs/example/cmp.py -F 500000000 --maxtick 1000000000000 --caches --l2cache --l2size 4MB -b cactus 2>&1 | +build/X86_SE/m5.debug -d tracediff-5552-2 --trace-flags=Exec,-ExecTicks configs/example/cmp.py -F 500000000 --maxtick 1000000000000 --caches --l2cache --l2size 2MB -b cactus 2>&1 |
You mean that I must manually execute then and the manually compare the trace files. Right? What is the power of tracediff then? It only generate the commands? On 2/15/12, Jack Harvard <[email protected]> wrote: > The warning message is due to not using "--debug-flags", as you used > "--trace-flags". You can just run one of the two commands being > generated, and see what happens, just to make sure all the options are > correctly applied. > > Jack Harvard > > On Wed, Feb 15, 2012 at 10:14 AM, Mahmood Naderan <[email protected]> > wrote: >> Well I tried something but see no result: >> >> mahmood@tu1:gem5$ util/tracediff build/X86_SE/m5.debug >> --trace-flags="Exec,-ExecTicks" configs/example/cmp.py -F 500000000 >> --maxtick 1000000000000 --caches --l2cache "--l2size 4MB|--l2size 2MB" >> -b cactus >> **** >> **** WARNING: no debug flags set... you may not be diffing much! >> **** >> Executing /home/mahmood/gem5/util/rundiff 'build/X86_SE/m5.debug -d >> tracediff-5552-1 --trace-flags=Exec,-ExecTicks configs/example/cmp.py >> -F 500000000 --maxtick 1000000000000 --caches --l2cache --l2size 4MB >> -b cactus 2>&1 |' 'build/X86_SE/m5.debug -d tracediff-5552-2 >> --trace-flags=Exec,-ExecTicks configs/example/cmp.py -F 500000000 >> --maxtick 1000000000000 --caches --l2cache --l2size 2MB -b cactus 2>&1 >> |' 2>&1 > tracediff-5552.out >> >> >> Immediately the execution ends. There are no files in >> tracediff-5552-1/ and tracediff-5552-2/ >> >> What is wrong with that? >> >> On 2/15/12, Jack Harvard <[email protected]> wrote: >>> Tracediff is a small perl script, ./util/tracediff, have a look at the >>> file directly, that should answer your question. >>> >>> Jack Harvard >>> >>> On Tue, Feb 14, 2012 at 3:10 PM, Mahmood Naderan <[email protected]> >>> wrote: >>>> Hi >>>> How can I use tracediff? The document at >>>> http://gem5.org/Debugging#tracediff is not very clear. >>>> >>>> Consider I want to run two simulations with different cache size. The >>>> benchmark and instructions are equal. Normal steps are: >>>> >>>> 1- chanage L2Cache size to 2MB in common/Caches.py >>>> 2- run build/X86_SE/m5.fast configs/example/cmp.py --caches --l2cache -b >>>> gcc >>>> 3- chanage L2Cache size to 512kB in common/Caches.py >>>> 4- run build/X86_SE/m5.fast configs/example/cmp.py --caches --l2cache -b >>>> gcc >>>> >>>> seems that tracediff only works when command lines change. Is that >>>> right? >>>> -- >>>> // Naderan *Mahmood; >>>> _______________________________________________ >>>> gem5-users mailing list >>>> [email protected] >>>> http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users >>> _______________________________________________ >>> gem5-users mailing list >>> [email protected] >>> http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users >>> >> >> >> -- >> -- >> // Naderan *Mahmood; >> _______________________________________________ >> gem5-users mailing list >> [email protected] >> http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users > _______________________________________________ > gem5-users mailing list > [email protected] > http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users > -- -- // Naderan *Mahmood; _______________________________________________ gem5-users mailing list [email protected] http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users
