2022-03-04 05:26:56 -05:00
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#!/bin/bash
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# SPDX-FileCopyrightText: 2014-2023 Institute for Automation of Complex Power Systems, RWTH Aachen University
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2023-08-31 11:25:01 +02:00
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# SPDX-License-Identifier: Apache-2.0
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2022-03-04 05:26:56 -05:00
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dnf -y --refresh install \
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tuned-utils \
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tuned-profiles-realtime
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# Isolate half of the available cores by default
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if [ -z "${ISOLATED_CORES}" ]; then
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PROC=$(nproc)
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ISOLATED_CORES=
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if ((PROC > 4)); then
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ISOLATED_CORES+=$(seq -s, $((PROC/2)) $((PROC-1)))
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fi
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fi
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echo isolated_cores=${ISOLATED_CORES} >> /etc/tuned/realtime-variables.conf
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# Enable dynamic preemption
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grubby --update-kernel=ALL --remove-args="preempt=full"
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# Select real-time tuned profile
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tuned-adm profile realtime
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