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Eric Dumazet says: ==================== net: optimize TX throughput and efficiency In this series, I replace the busylock spinlock we have in __dev_queue_xmit() and use lockless list (llist) to reduce spinlock contention to the minimum. Idea is that only one cpu might spin on the qdisc spinlock, while others simply add their skb in the llist. After this series, we get a 300 % (4x) improvement on heavy TX workloads, sending twice the number of packets per second, for half the cpu cycles. ==================== Link: https://patch.msgid.link/20251014171907.3554413-1-edumazet@google.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
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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.