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53fdfa68b9
All of the tools listed on the original documentation are now given their own individual doc pages. This makes it much easier to cross-reference them from other documentation locations (as many are used in CI/for specific architectures) and it also makes it easier for users to digest the information. Signed-off-by: Matteo Golin <matteo.golin@gmail.com>
43 lines
1.9 KiB
ReStructuredText
43 lines
1.9 KiB
ReStructuredText
===================
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``checkkconfig.py``
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===================
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``checkkconfig.py`` is a Python script that simulates the effects of modifying a CONFIG item.
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It can be used to check whether my config changes are what I expected.
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Help message::
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$ tools/checkkconfig.py -h
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usage: checkkconfig.py [-h] -f FILE (-s CONFIG VALUE | -d DIFF)
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optional arguments:
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-h, --help show this help message and exit
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-f FILE, --file FILE Path to the input defconfig file
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-s CONFIG_XXX VALUE, --single CONFIG VALUE
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Analyze single change: CONFIG_NAME y/m/n
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-d DIFF, --diff DIFF Analyze changes from diff file
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example: ./tools/checkkconfig.py -f defconfig -s ELF n
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outputs:
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Change report for ELF=n
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Config Option Old New
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----------------------------------------------------------------------
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BINFMT_LOADABLE y n
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ELF y n
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ELF_STACKSIZE 8192 <unset>
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LIBC_ARCH_ELF y n
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LIBC_MODLIB y n
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MODLIB_ALIGN_LOG2 2 <unset>
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MODLIB_BUFFERINCR 32 <unset>
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MODLIB_BUFFERSIZE 32 <unset>
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MODLIB_MAXDEPEND 2 <unset>
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MODLIB_RELOCATION_BUFFERCOUNT 256 <unset>
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MODLIB_SYMBOL_CACHECOUNT 256 <unset>
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As we can see, we can clearly know that
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if I turn off ELF in defconfig at this time,
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it will bring about the following configuration linkage changes
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It can also parse diff files, which can be used to check the changes of multiple
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configs.
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