Hi Amin It works with cpu-type as "detailed" and "arm_detailed" (I don't know the difference between them...). And the parameter "-m 1000000000000" is also fine because hello app finishs before that.
Thank you very much! Regards Romulo On Sun, Jul 15, 2012 at 2:33 PM, Amin Farmahini <amin...@gmail.com> wrote: > What is the default cpu-type in gem5? If it is NOT O3 (detailed), then > your trace file will remain empty because your specified debug flag > (--debug-flags=O3PipeView) do not apply to simple and in-order cpus. > Also make sure "-m 1000000000000" is right. > > Amin > > On Sun, Jul 15, 2012 at 9:06 AM, Romulo Curty Cerqueira <cu...@ieee.org>wrote: > >> Hi gem5 users >> >> I have tried to test information visualization as described in >> http://www.m5sim.org/Visualization but when I run >> >> [user@machine gem5]$ ./build/ARM/gem5.debug --debug-flags=O3PipeView >> --trace-start=0 --trace-file=trace.out ./configs/example/se.py --caches -c >> ./tests/test-progs/hello/bin/arm/linux/hello -m 1000000000000 >> or >> [user@machine gem5]$ ./build/ARM/gem5.opt --debug-flags=O3PipeView >> --trace-start=0 --trace-file=trace.out ./configs/example/se.py --caches -c >> ./tests/test-progs/hello/bin/arm/linux/hello -m 1000000000000 >> >> it returns the same, as follows: >> >> gem5 Simulator System. http://gem5.org >> gem5 is copyrighted software; use the --copyright option for details. >> >> gem5 compiled Jul 13 2012 12:55:46 >> gem5 started Jul 15 2012 11:32:40 >> gem5 executing on i7-extreme >> command line: ./build/ARM/gem5.debug --debug-flags=O3PipeView >> --trace-start=0 --trace-file=trace.out ./configs/example/se.py --caches -c >> ./tests/test-progs/hello/bin/arm/linux/hello -m 1000000000000 >> Global frequency set at 1000000000000 ticks per second >> 0: system.remote_gdb.listener: listening for remote gdb #0 on port 7000 >> **** REAL SIMULATION **** >> info: Entering event queue @ 0. Starting simulation... >> Hello world! >> hack: be nice to actually delete the event here >> Exiting @ tick 3114000 because target called exit() >> >> and the file m5out/stats.txt is generated fine, but the file >> m5out/trace.out is generated with 0 bytes size, so the next >> http://www.m5sim.org/Visualization test command >> $ ./util/o3-pipeview.py -c 500 -o pipeview.out --color m5out/trace.out >> cannot work. >> >> I supposed I should use gem5.prof version, and I have also tried that. >> But it fails, as follows: >> >> [user@machine gem5]$ ./build/ARM/gem5.prof --debug-flags=O3PipeView >> --trace-start=0 --trace-file=trace.out ./configs/example/se.py --caches -c >> ./tests/test-progs/hello/bin/arm/linux/hello -m 1000000000000 >> >> gem5 Simulator System. http://gem5.org >> gem5 is copyrighted software; use the --copyright option for details. >> >> gem5 compiled Jul 15 2012 10:43:52 >> gem5 started Jul 15 2012 11:33:18 >> gem5 executing on i7-extreme >> command line: ./build/ARM/gem5.prof --debug-flags=O3PipeView >> --trace-start=0 --trace-file=trace.out ./configs/example/se.py --caches -c >> ./tests/test-progs/hello/bin/arm/linux/hello -m 1000000000000 >> fatal: Tracing is not enabled. Compile with TRACING_ON >> [user@machine gem5]$ >> >> So I have tried to recompile gem5 using (as found at old messages from >> this list, but I am not sure about this way...): >> >> [user@machine gem5]$ scons TRACING_ON=True build/ARM/gem5.prof >> and >> [user@machine gem5]$ scons TRACING_ON=1 build/ARM/gem5.prof >> >> and both commands compiles without errors but also fails to generate a >> non empty m5out/trace.out file after simulation, as above. >> >> My question: >> What should I do to have a non empty m5out/trace.out file after >> simulation? >> >> Thanks in advance for your attention. >> >> Regards >> >> Romulo >> >> _______________________________________________ >> gem5-users mailing list >> gem5-users@gem5.org >> http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users >> > > > _______________________________________________ > gem5-users mailing list > gem5-users@gem5.org > http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users >
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