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c5d60de181
Now perf uses the capstone library to disassemble the instructions in x86. capstone is used (if available) for perf annotate to speed up. Currently it only supports x86 architecture. This patch includes changes to enable this in powerpc. For now, only for data type sort keys, this method is used and only binary code (raw instruction) is read. This is because powerpc approach to understand instructions and reg fields uses raw instruction. The "cs_disasm" is currently not enabled. While attempting to do cs_disasm, observation is that some of the instructions were not identified (ex: extswsli, maddld) and it had to fallback to use objdump. Hence enabling "cs_disasm" is added in comment section as a TODO for powerpc. Reviewed-by: Kajol Jain <kjain@linux.ibm.com> Reviewed-by: Namhyung Kim <namhyung@kernel.org> Signed-off-by: Athira Rajeev <atrajeev@linux.vnet.ibm.com> Tested-by: Kajol Jain <kjain@linux.ibm.com> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Akanksha J N <akanksha@linux.ibm.com> Cc: Christophe Leroy <christophe.leroy@csgroup.eu> Cc: Disha Goel <disgoel@linux.vnet.ibm.com> Cc: Hari Bathini <hbathini@linux.ibm.com> Cc: Ian Rogers <irogers@google.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Madhavan Srinivasan <maddy@linux.ibm.com> Cc: Segher Boessenkool <segher@kernel.crashing.org> Link: https://lore.kernel.org/lkml/20240718084358.72242-15-atrajeev@linux.vnet.ibm.com [ Use dso__nsinfo(dso) as required to match EXTRA_CFLAGS=-DREFCNT_CHECKING=1 build expectations ] Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> |
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Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.