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Utilization clamping can be used to boost the utilization of small tasks or cap that of big tasks. Thus, one of its possible usages is to bias tasks placement to "promote" small tasks on higher capacity (less energy efficient) CPUs or "constraint" big tasks on small capacity (more energy efficient) CPUs. When the Energy Aware Scheduler (EAS) looks for the most energy efficient CPU to run a task on, it currently considers only the effective utiliation estimated for a task. Fix this by adding an additional check to skip CPUs which capacity is smaller then the task clamped utilization. Change-Id: I43fa6fa27e27c1eb5272c6a45d1a6a5b0faae1aa Signed-off-by: Patrick Bellasi <patrick.bellasi@arm.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Peter Zijlstra <peterz@infradead.org> Signed-off-by: Quentin Perret <quentin.perret@arm.com>
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.