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Kent Overstreet 9e260e4590 docs: bcachefs: idle work scheduling design doc
People have been asking to see the plan for this, so -

bcachefs has various background tasks that need to be scheduled to
balance efficiency, predictability of performance, etc.

The design and philosophy hasn't changed too much since bcache, which
was primarily designed for server usage, with sustained load in mind.

These days we're seeing more desktop usage - where we really want to let
the system idle effictively, to reduce total power usage - while also
still balancing previous concerns, we still want to let work accumulate
to a degree.

This lays out all the requirements and starts to sketch out the
algorithm I have in mind.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
History 2025-05-21 20:14:23 -04:00
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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.