From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755609AbcANPZx (ORCPT ); Thu, 14 Jan 2016 10:25:53 -0500 Received: from mail-wm0-f44.google.com ([74.125.82.44]:37889 "EHLO mail-wm0-f44.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755500AbcANPZs (ORCPT ); Thu, 14 Jan 2016 10:25:48 -0500 From: Luca Abeni To: linux-kernel@vger.kernel.org Cc: Peter Zijlstra , Ingo Molnar , Juri Lelli , Luca Abeni Subject: [RFC 6/8] GRUB accounting Date: Thu, 14 Jan 2016 16:24:51 +0100 Message-Id: <1452785094-3086-7-git-send-email-luca.abeni@unitn.it> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1452785094-3086-1-git-send-email-luca.abeni@unitn.it> References: <1452785094-3086-1-git-send-email-luca.abeni@unitn.it> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --- kernel/sched/deadline.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/kernel/sched/deadline.c b/kernel/sched/deadline.c index 15d3fd8..4795d7f 100644 --- a/kernel/sched/deadline.c +++ b/kernel/sched/deadline.c @@ -823,6 +823,11 @@ int dl_runtime_exceeded(struct sched_dl_entity *dl_se) extern bool sched_rt_bandwidth_account(struct rt_rq *rt_rq); +u64 grub_reclaim(u64 delta, struct rq *rq, u64 u) +{ + return (delta * rq->dl.running_bw) >> 20; +} + /* * Update the current task's runtime statistics (provided it is still * a -deadline task and has not been removed from the dl_rq). @@ -859,6 +864,7 @@ static void update_curr_dl(struct rq *rq) sched_rt_avg_update(rq, delta_exec); + delta_exec = grub_reclaim(delta_exec, rq, curr->dl.dl_bw); dl_se->runtime -= dl_se->dl_yielded ? 0 : delta_exec; trace_sched_stat_params_dl(curr, dl_se->runtime, dl_se->deadline); if (dl_runtime_exceeded(dl_se)) { -- 1.9.1