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sched/deadline: Update GRUB description in the documentation

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Update the details of GRUB to reflect the updated logic.

Signed-off-by: Vineeth Pillai (Google) <vineeth@bitbyteword.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Daniel Bristot de Oliveira <bristot@kernel.org>
Acked-by: Juri Lelli <juri.lelli@redhat.com>
Link: https://lore.kernel.org/r/20230530135526.2385378-2-vineeth@bitbyteword.org
This commit is contained in:
Vineeth Pillai 2023-05-30 09:55:26 -04:00 committed by Peter Zijlstra
parent 6a9d623aad
commit e20f204c88
1 changed files with 4 additions and 1 deletions
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5
Documentation/scheduler/sched-deadline.rst
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@ -203,12 +203,15 @@ Deadline Task Scheduling
- Total bandwidth (this_bw): this is the sum of all tasks "belonging" to the
runqueue, including the tasks in Inactive state.
- Maximum usable bandwidth (max_bw): This is the maximum bandwidth usable by
deadline tasks and is currently set to the RT capacity.
The algorithm reclaims the bandwidth of the tasks in Inactive state.
It does so by decrementing the runtime of the executing task Ti at a pace equal
to
dq = -max{ Ui / Umax, (1 - Uinact - Uextra) } dt
dq = -(max{ Ui, (Umax - Uinact - Uextra) } / Umax) dt
where: