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Schedutil always requests max frequency whenever a RT task is running. Now that we have a better estimate of the utilization of RT runqueues, it is possible to make a less conservative decision and scale frequency according to the needs of the RT tasks. To do so, protect the RT-go-to-max code with a new sched_feature. The sched_feature is disabled by default, hence favoring energy savings as required in mobile environments. Signed-off-by: Quentin Perret <quentin.perret@arm.com> Change-Id: Ic9f01c8703d4f843addaa0d684012a422fe9f3b8
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.
See Documentation/00-INDEX for a list of what is contained in each file.
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.