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Gathering interface statistics can be a relatively expensive operation on certain systems as it requires iterating over all the cpus. RTEXT_FILTER_SKIP_STATS was first introduced [1] to skip AF_INET6 statistics from interface dumps and it was then extended [2] to also exclude IFLA_VF_INFO. The semantics of the flag does not seem to be limited to AF_INET or VF statistics and having a way to query the interface status (e.g: carrier, address) without retrieving its statistics seems reasonable. So this patch extends the use RTEXT_FILTER_SKIP_STATS to also affect IFLA_STATS. [1] https://lore.kernel.org/all/20150911204848.GC9687@oracle.com/ [2] https://lore.kernel.org/all/20230611105108.122586-1-gal@nvidia.com/ Signed-off-by: Adrian Moreno <amorenoz@redhat.com> Reviewed-by: Toke Høiland-Jørgensen <toke@redhat.com> Reviewed-by: Eric Dumazet <edumazet@google.com> Reviewed-by: Nicolas Dichtel <nicolas.dichtel@6wind.com> Link: https://patch.msgid.link/20251103154006.1189707-1-amorenoz@redhat.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
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| ipc | ||
| kernel | ||
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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 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.