Messages in this thread Patch in this message | | | Date | Mon, 19 Jun 2023 11:04:52 -0000 | From | "tip-bot2 for Vineeth Pillai" <> | Subject | [tip: sched/core] sched/deadline: Update GRUB description in the documentation |
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The following commit has been merged into the sched/core branch of tip:
Commit-ID: e20f204c88d595c04fc9197794bb68c0fbabd902 Gitweb: https://git.kernel.org/tip/e20f204c88d595c04fc9197794bb68c0fbabd902 Author: Vineeth Pillai <vineeth@bitbyteword.org> AuthorDate: Tue, 30 May 2023 09:55:26 -04:00 Committer: Peter Zijlstra <peterz@infradead.org> CommitterDate: Fri, 16 Jun 2023 22:08:12 +02:00
sched/deadline: Update GRUB description in the documentation
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 --- Documentation/scheduler/sched-deadline.rst | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/Documentation/scheduler/sched-deadline.rst b/Documentation/scheduler/sched-deadline.rst index 9d9be52..9fe4846 100644 --- a/Documentation/scheduler/sched-deadline.rst +++ b/Documentation/scheduler/sched-deadline.rst @@ -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:
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