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Thu, 30 Apr 2026 14:39:14 -0700 (PDT) Received: from yuri-framework13 ([78.211.51.156]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-44a9879ef89sm418510f8f.30.2026.04.30.14.39.13 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 30 Apr 2026 14:39:14 -0700 (PDT) From: Yuri Andriaccio To: Ingo Molnar , Peter Zijlstra , Juri Lelli , Vincent Guittot , Dietmar Eggemann , Steven Rostedt , Ben Segall , Mel Gorman , Valentin Schneider Cc: linux-kernel@vger.kernel.org, Luca Abeni , Yuri Andriaccio Subject: [RFC PATCH v5 21/29] sched/rt: Update default bandwidth for real-time tasks to ONE Date: Thu, 30 Apr 2026 23:38:25 +0200 Message-ID: <20260430213835.62217-22-yurand2000@gmail.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260430213835.62217-1-yurand2000@gmail.com> References: <20260430213835.62217-1-yurand2000@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Set the default total bandwidth for SCHED_DEADLINE tasks and servers to ONE. FIFO/RR tasks are already throttled by fair-servers and ext-servers, and the sysctl_sched_rt_runtime parameter now only defines the total bw that is allowed to deadline entities. Signed-off-by: Yuri Andriaccio --- kernel/sched/rt.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/kernel/sched/rt.c b/kernel/sched/rt.c index 2be22024e66d..db88792787a8 100644 --- a/kernel/sched/rt.c +++ b/kernel/sched/rt.c @@ -19,9 +19,9 @@ int sysctl_sched_rt_period = 1000000; /* * part of the period that we allow rt tasks to run in us. - * default: 0.95s + * default: 1s */ -int sysctl_sched_rt_runtime = 950000; +int sysctl_sched_rt_runtime = 1000000; #ifdef CONFIG_SYSCTL static int sysctl_sched_rr_timeslice = (MSEC_PER_SEC * RR_TIMESLICE) / HZ; -- 2.53.0