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Both of these passes gather information about how to create the decoders. AUX records determine formatted/unformatted, and the HW_IDs determine the traceID/metadata mappings. Therefore it makes sense to cache the information and wait until both passes are over until creating the decoders, rather than creating them at the first HW_ID found. This will allow a simplification of the creation process where cs_etm_queue->traceid_list will exclusively used to create the decoders, rather than the current two methods depending on whether the trace is formatted or not. Previously the sample CPU from the AUX record was used to initialize the decoder CPU, but actually sample CPU == AUX queue index in per-CPU mode, so saving the sample CPU isn't required. Similarly formatted/unformatted was used upfront to create the decoders, but now it's cached until later. Reviewed-by: Anshuman Khandual <anshuman.khandual@arm.com> Reviewed-by: Mike Leach <mike.leach@linaro.org> Signed-off-by: James Clark <james.clark@arm.com> Signed-off-by: James Clark <james.clark@linaro.org> Tested-by: Ganapatrao Kulkarni <gankulkarni@os.amperecomputing.com> Tested-by: Leo Yan <leo.yan@arm.com> Acked-by: Suzuki Poulouse <suzuki.poulose@arm.com> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Alexandre Torgue <alexandre.torgue@foss.st.com> Cc: Ian Rogers <irogers@google.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: John Garry <john.g.garry@oracle.com> Cc: Kan Liang <kan.liang@linux.intel.com> Cc: Leo Yan <leo.yan@linux.dev> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Maxime Coquelin <mcoquelin.stm32@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Will Deacon <will@kernel.org> Link: https://lore.kernel.org/r/20240722101202.26915-2-james.clark@linaro.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> |
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| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| io_uring | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| rust | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .editorconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| .rustfmt.toml | ||
| COPYING | ||
| CREDITS | ||
| Kbuild | ||
| Kconfig | ||
| MAINTAINERS | ||
| Makefile | ||
| 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 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.