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linux57-tkg: Tweak MuQSS default yield type. The global default of 0 reportedly leads to stability issues on -at least- some AMD Ryzen platforms, so let's default to 1 (sched default) instead.

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This commit is contained in:
Tk-Glitch 2020-06-22 23:41:02 +02:00
parent db6dab74c2
commit 2c65df54fb
1 changed files with 14 additions and 4 deletions
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18
linux57-tkg/PKGBUILD
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@ -89,7 +89,7 @@ pkgname=("${pkgbase}" "${pkgbase}-headers")
_basekernel=5.7
_sub=5
pkgver="${_basekernel}"."${_sub}"
pkgrel=10
pkgrel=11
pkgdesc='Linux-tkg'
arch=('x86_64') # no i686 in here
url="http://www.kernel.org/"
@ -363,14 +363,24 @@ prepare() {
plain "0: No yield."
plain "1: Deboost and requeue task. (default)"
plain "2: Set rq skip task."
read -rp "`echo $'\n > 0. Recommended option for gaming on PDS and MuQSS - "tkg" default\n 1. Default, but can lead to stability issues on some platforms\n 2. Can be a good option with low rr_interval on MuQSS\n [0-2?]: '`" CONDITION0;
if [ "${_cpusched}" == "MuQSS" ]; then
read -rp "`echo $'\n 0. Supposedly best option for gaming performance - could lead to stability issues on some (AMD) platforms when combined with MuQSS\n > 1. Default and recommended option for MuQSS - could lead to stability issues on some (Intel) platforms\n 2. Can be a good option with low rr_interval on MuQSS\n [0-2?]: '`" CONDITION0;
else
read -rp "`echo $'\n > 0. Recommended option for gaming on PDS - "tkg" default\n 1. Default, but can lead to stability issues on some platforms\n 2. Can be a good option with low rr_interval on MuQSS\n [0-2?]: '`" CONDITION0;
fi
fi
if [ "$CONDITION0" == "1" ]; then
if [ "$CONDITION0" == "0" ]; then
sed -i -e 's/int sched_yield_type __read_mostly = 1;/int sched_yield_type __read_mostly = 0;/' ./kernel/sched/"${_cpusched}".c
elif [ "$CONDITION0" == "1" ]; then
msg2 "Using default CPU sched yield type (1)"
elif [ "$CONDITION0" == "2" ]; then
sed -i -e 's/int sched_yield_type __read_mostly = 1;/int sched_yield_type __read_mostly = 2;/' ./kernel/sched/"${_cpusched}".c
else
sed -i -e 's/int sched_yield_type __read_mostly = 1;/int sched_yield_type __read_mostly = 0;/' ./kernel/sched/"${_cpusched}".c
if [ "${_cpusched}" == "MuQSS" ]; then
msg2 "Using default CPU sched yield type (1)"
else
sed -i -e 's/int sched_yield_type __read_mostly = 1;/int sched_yield_type __read_mostly = 0;/' ./kernel/sched/"${_cpusched}".c
fi
fi
fi