how to trace the behavior of different components of a computer by GEM5

最新推荐文章于 2025-04-24 20:51:18 发布
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本文介绍如何从GEM5运行的基准测试中获取内存访问轨迹。通过命令行参数设置，作者展示了如何使用`gem5.opt`进行特定配置，并详细解释了`--debug-flags`选项的作用。

Recently, I am trying to get the memory access trace from some benchmarks runing on GEM5. By reading the references http://www.m5sim.org/Main_Page, I got it done.

Below is an example:

1)scons build/X86_MESI_CMP_directory/gem5.opt  PROTOCOL=MESI_CMP_directory RUBY=true

2) ./build/X86_MESI_CMP_directory/gem5.opt --debug-flags=RubyMemory --trace-file rubymemory130704 configs/example/ruby_fs.py --kernel=/home/starking/fullsystem/m5_system_2.0b3/binaries/x86_64-vmlinux-2.6.28.4-smp  --disk-image=/home/starking/fullsystem/m5_system_2.0b3/disks/x86root-parsec.img  --mem-size=1024MB --ruby


the point is --debug-flag , the choices to select could be displayed by the command: ./build/X86_MESI_CMP_directory/gem5.opt --debug-help
For just the memory access traces are what I want, so in the example above I chose --debug-flags=RubyMemory

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