Documentation/scheduler/sched-util-clamp.rst

10 Utilization clamping, also known as util clamp or uclamp, is a scheduler
18 used, util clamp will influence the CPU frequency selection as well.
21 util clamp acts on that to achieve its goal by clamping the signal to a certain
25 The right way to view util clamp is as a mechanism to make request or hint on
42 As an example, a game can use util clamp to form a feedback loop with its
115 :ref:`3.4.1 <sched-util-clamp-min-rt-default>` on how to change RT tasks
130 Since the goal of util clamp is to allow requesting a minimum and maximum
138 a task requests to run at UTIL_MIN = 512, then the util signal of the rq needs
142 To be able to aggregate the util clamp value of all the tasks attached to the
270 When multiple tasks are attached to the same rq, then util clamp must make sure
294 aggregation is the cause of one of limitations when using util clamp, in
300 As stated earlier, util clamp is a property of every task in the system. But
304 The effective util clamp value of any task is restricted as follows:
505 .. _sched-util-clamp-min-rt-default:
517 Application developer are encouraged to use the per task util clamp interface
522 4. How to use util clamp
527 decision. However, with util clamp user space can hint to the scheduler to make
540 There are enough possibilities to create a whole framework based on util clamp