linux-kernel - [tip:sched/core] sched/deadline: Add SCHED_DEADLINE avg

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Message-ID: <tip-239be4a982154ea0c979fca5846349bb68973aed@git.kernel.org>
Date:	Mon, 13 Jan 2014 07:53:47 -0800
From:	tip-bot for Dario Faggioli <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...nel.org,
	peterz@...radead.org, raistlin@...ux.it, tglx@...utronix.de,
	juri.lelli@...il.com
Subject: [tip:sched/core] sched/deadline:
  Add SCHED_DEADLINE avg_update accounting

Commit-ID:  239be4a982154ea0c979fca5846349bb68973aed
Gitweb:     http://git.kernel.org/tip/239be4a982154ea0c979fca5846349bb68973aed
Author:     Dario Faggioli <raistlin@...ux.it>
AuthorDate: Thu, 7 Nov 2013 14:43:39 +0100
Committer:  Ingo Molnar <mingo@...nel.org>
CommitDate: Mon, 13 Jan 2014 13:41:08 +0100

sched/deadline: Add SCHED_DEADLINE avg_update accounting

Make the core scheduler and load balancer aware of the load
produced by -deadline tasks, by updating the moving average
like for sched_rt.

Signed-off-by: Dario Faggioli <raistlin@...ux.it>
Signed-off-by: Juri Lelli <juri.lelli@...il.com>
Signed-off-by: Peter Zijlstra <peterz@...radead.org>
Link: http://lkml.kernel.org/r/1383831828-15501-6-git-send-email-juri.lelli@gmail.com
Signed-off-by: Ingo Molnar <mingo@...nel.org>
---
 kernel/sched/deadline.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/kernel/sched/deadline.c b/kernel/sched/deadline.c
index fcc02c9..21f58d2 100644
--- a/kernel/sched/deadline.c
+++ b/kernel/sched/deadline.c
@@ -564,6 +564,8 @@ static void update_curr_dl(struct rq *rq)
 	curr->se.exec_start = rq_clock_task(rq);
 	cpuacct_charge(curr, delta_exec);
 
+	sched_rt_avg_update(rq, delta_exec);
+
 	dl_se->runtime -= delta_exec;
 	if (dl_runtime_exceeded(rq, dl_se)) {
 		__dequeue_task_dl(rq, curr, 0);
--
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