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7ee7642c91
select_idle_capacity() not only looks for an idle cpu that fits for the waking task but also for cpu with highest bandwidth when no cpu fits. Start the loop with target cpu so it will be selected 1st when no cpu fits but several cpus shared the same bandwidth. Starting with target cpu prevents the task to migrate between cpus with same bandwidth at every wakeup when no cpu fits. Signed-off-by: Vincent Guittot <vincent.guittot@linaro.org> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Link: https://lkml.kernel.org/r/20230711081359.868862-1-vincent.guittot@linaro.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 Restructured Text 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.