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Breno Leitao says: ==================== trace: add tracepoint for tcp_sendmsg_locked() Meta has been using BPF programs to monitor tcp_sendmsg() for years, indicating significant interest in observing this important functionality. Adding a proper tracepoint provides a stable API for all users who need visibility into TCP message transmission. David Ahern is using a similar functionality with a custom patch[1]. So, this means we have more than a single use case for this request, and it might be a good idea to have such feature upstream. Link: https://lore.kernel.org/all/70168c8f-bf52-4279-b4c4-be64527aa1ac@kernel.org/ [1] v2: https://lore.kernel.org/20250407-tcpsendmsg-v2-0-9f0ea843ef99@debian.org v1: https://lore.kernel.org/20250224-tcpsendmsg-v1-1-bac043c59cc8@debian.org ==================== Link: https://patch.msgid.link/20250408-tcpsendmsg-v3-0-208b87064c28@debian.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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.