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
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