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On my aarch64 big endian machine, the perf annotate does not work. # perf annotate Percent | Source code & Disassembly of [kernel.kallsyms] for cycles (253 samples, percent: local period) -------------------------------------------------------------------------------------------------------------- Percent | Source code & Disassembly of [kernel.kallsyms] for cycles (1 samples, percent: local period) ------------------------------------------------------------------------------------------------------------ Percent | Source code & Disassembly of [kernel.kallsyms] for cycles (47 samples, percent: local period) ------------------------------------------------------------------------------------------------------------- ... This is because the arch_find() function uses the normalized architecture name provided by normalize_arch(), and my machine's architecture name aarch64_be is not normalized to arm64. Like other architectures such as arm and powerpc, we can fuzzy match the architecture names associated with aarch64.* and normalize them. It seems that there is also arm64_be architecture name, which we also normalize to arm64. Signed-off-by: Li Huafei <lihuafei1@huawei.com> Reviewed-by: James Clark <james.clark@arm.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Dengcheng Zhu <dzhu@wavecomp.com> Cc: Ian Rogers <irogers@google.com> Cc: Jin Yao <yao.jin@linux.intel.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Martin Liška <mliska@suse.cz> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Riccardo Mancini <rickyman7@gmail.com> Cc: Zhang Jinhao <zhangjinhao2@huawei.com> Link: http //lore.kernel.org/lkml/20210726123854.13463-1-lihuafei1@huawei.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> |
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| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
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| kernel | ||
| lib | ||
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| README | ||
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 Restructured Text 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.