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e31c0eb103
Adds the support for HiSilicon NoC (Network on Chip) PMU which will be used to monitor the events on the system bus. The PMU device will be named after the SCL ID (either Super CPU cluster or Super IO cluster) and the index ID, just similar to other HiSilicon Uncore PMUs. Below PMU formats are provided besides the event: - ch: the transaction channel (data, request, response, etc) which can be used to filter the counting. - tt_en: tracetag filtering enable. Just as other HiSilicon Uncore PMUs the NoC PMU supports only counting the transactions with tracetag. The NoC PMU doesn't have an interrupt to indicate the overflow. However we have a 64 bit counter which is large enough and it's nearly impossible to overflow. Reviewed-by: Jonathan Cameron <jonathan.cameron@huawei.com> Signed-off-by: Yicong Yang <yangyicong@hisilicon.com> Signed-off-by: Will Deacon <will@kernel.org> |
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| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| io_uring | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| rust | ||
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| virt | ||
| .clang-format | ||
| .clippy.toml | ||
| .cocciconfig | ||
| .editorconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
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| .pylintrc | ||
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| 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.