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tools: revamp and move tune-realtime script to tools folder

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This commit is contained in:
Steffen Vogel 2022-03-04 05:26:56 -05:00
parent b402048082
commit 71ba4a96d7
2 changed files with 21 additions and 19 deletions
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19
packaging/live-iso/files/usr/local/bin/tune-realtime
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@ -1,19 +0,0 @@
#!/bin/bash
ARCH=$(rpm -q --qf "%{arch}\n" glibc)
RELEASE=$(rpm -q --qf "%{version}\n" fedora-release)
# Install Planet CCRMA repository which includes RT_PREEMPT patched kernels
rpm -Uvh http://ccrma.stanford.edu/planetccrma/mirror/fedora/linux/planetccrma/${RELEASE}/${ARCH}/planetccrma-repo-1.1-3.fc${RELEASE}.ccrma.noarch.rpm
dnf -y --refresh install \
tuned-utils \
tuned-profiles-realtime
kernel-rt \
kernel-rt-modules \
kernel-rt-modules-extra
echo "isolated_cores=3-7" >> /etc/tuned/realtime-variables.conf
tuned-adm profile realtime

21
tools/tune-realtime.sh Executable file
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@ -0,0 +1,21 @@
#!/bin/bash
dnf -y --refresh install \
tuned-utils \
tuned-profiles-realtime
# Isolate half of the available cores by default
if [ -z "${ISOLATED_CORES}" ]; then
PROC=$(nproc)
ISOLATED_CORES=
if ((PROC > 4)); then
ISOLATED_CORES+=$(seq -s, $((PROC/2)) $((PROC-1)))
fi
fi
echo isolated_cores=${ISOLATED_CORES} >> /etc/tuned/realtime-variables.conf
# Enable dynamic preemption
grubby --update-kernel=ALL --remove-args="preempt=full"
# Select real-time tuned profile
tuned-adm profile realtime