From: Luca Abeni <luca.abeni@unitn.it>
To: peterz@infradead.org
Cc: henrik@austad.us, juri.lelli@gmail.com, raistlin@linux.it,
mingo@kernel.org, linux-kernel@vger.kernel.org,
linux-doc@vger.kernel.org,
Zhiqiang Zhang <zhangzhiqiang.zhang@huawei.com>
Subject: [PATCH 1/9] Documentation/scheduler/sched-deadline.txt: correct definition of density as C_i/min{D_i,P_i}
Date: Mon, 18 May 2015 15:00:24 +0200 [thread overview]
Message-ID: <1431954032-16473-2-git-send-email-luca.abeni@unitn.it> (raw)
In-Reply-To: <1431954032-16473-1-git-send-email-luca.abeni@unitn.it>
From: Zhiqiang Zhang <zhangzhiqiang.zhang@huawei.com>
C_i/min{D_i,T_i},where T_i is not referred before, should be
substituted by C_i/min{D_i,P_i}.
----------------------------------------
Signed-off-by: Zhiqiang Zhang <zhangzhiqiang.zhang@huawei.com>
---
Documentation/scheduler/sched-deadline.txt | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/Documentation/scheduler/sched-deadline.txt b/Documentation/scheduler/sched-deadline.txt
index 21461a0..194664b 100644
--- a/Documentation/scheduler/sched-deadline.txt
+++ b/Documentation/scheduler/sched-deadline.txt
@@ -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).
--
1.7.9.5
next prev parent reply other threads:[~2015-05-18 13:08 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-18 13:00 [PATCH 0/9] SCHED_DEADLINE documentation update Luca Abeni
2015-05-18 13:00 ` Luca Abeni [this message]
2015-05-19 7:23 ` [tip:sched/core] sched/dl/Documentation: Correct the definition of density as C_i/min{D_i,P_i} tip-bot for Zhiqiang Zhang
2015-05-18 13:00 ` [PATCH 2/9] Documentation/scheduler/sched-deadline.txt: switch to American English Luca Abeni
2015-05-19 7:23 ` [tip:sched/core] sched/dl/Documentation: Switch " tip-bot for Luca Abeni
2015-05-18 13:00 ` [PATCH 3/9] Documentation/scheduler/sched-deadline.txt: fix typos Luca Abeni
2015-05-19 7:24 ` [tip:sched/core] sched/dl/Documentation: Fix typos tip-bot for Luca Abeni
2015-05-18 13:00 ` [PATCH 4/9] Documentation/scheduler/sched-deadline.txt: use consistent namings Luca Abeni
2015-05-19 7:24 ` [tip:sched/core] sched/dl/Documentation: Use consistent naming tip-bot for Luca Abeni
2015-05-18 13:00 ` [PATCH 5/9] Documentation/scheduler/sched-deadline.txt: remove _i from sum, max and min Luca Abeni
2015-05-19 7:24 ` [tip:sched/core] sched/dl/Documentation: Clarify indexing notation tip-bot for Luca Abeni
2015-05-18 13:00 ` [PATCH 6/9] Documentation/scheduler/sched-deadline.txt: Some notes on EDF schedulability Luca Abeni
2015-05-19 7:25 ` [tip:sched/core] sched/dl/Documentation: Add some " tip-bot for Luca Abeni
2015-05-18 13:00 ` [PATCH 7/9] Documentation/scheduler/sched-deadline.txt: add some references Luca Abeni
2015-05-19 7:25 ` [tip:sched/core] sched/dl/Documentation: Add " tip-bot for Luca Abeni
2015-05-18 13:00 ` [PATCH 8/9] Documentation/scheduler/sched-deadline.txt: relationship between tasks' deadlines and scheduling deadlines Luca Abeni
2015-05-19 7:25 ` [tip:sched/core] sched/dl/Documentation: Clarify the relationship between tasks' deadlines and absolute " tip-bot for Luca Abeni
2015-05-18 13:00 ` [PATCH 9/9] Documentation/scheduler/sched-deadline.txt: Split Section 3 Luca Abeni
2015-05-19 7:26 ` [tip:sched/core] sched/dl/Documentation: " tip-bot for Luca Abeni
2015-05-19 13:26 ` [PATCH 0/9] SCHED_DEADLINE documentation update Henrik Austad
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