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sched/dl/Documentation: Correct the definition of density as C_i/min{D_i,P_i}

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C_i/min{D_i,T_i}, where T_i is not referred before, should be
substituted with C_i/min{D_i,P_i}.

Signed-off-by: Zhiqiang Zhang <[email protected]>
Signed-off-by: Peter Zijlstra (Intel) <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Ingo Molnar <[email protected]>
This commit is contained in:
Zhiqiang Zhang 2015-05-18 15:00:24 +02:00 • committed by Ingo Molnar
commit 3aed357ee4
1 changed files with 2 additions and 2 deletions
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4
Documentation/scheduler/sched-deadline.txt
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@ -169,8 +169,8 @@ CONTENTS
of all the tasks executing on a CPU if and only if the total utilisation
of the tasks running on such a CPU is smaller or equal than 1.
If D_i != P_i for some task, then it is possible to define the density of
a task as C_i/min{D_i,T_i}, and EDF is able to respect all the deadlines
of all the tasks running on a CPU if the sum sum_i C_i/min{D_i,T_i} of the
a task as C_i/min{D_i,P_i}, and EDF is able to respect all the deadlines
of all the tasks running on a CPU if the sum sum_i C_i/min{D_i,P_i} of the
densities of the tasks running on such a CPU is smaller or equal than 1
(notice that this condition is only sufficient, and not necessary).